Category Archives: How to Fix

Error: Cannot find module ‘express’

Problem description:
System: Windows 7 x64
Node.js version: Version is: V4.2.4 LTS
Introduction to Node.js: Notes on setting up the Node.js Web development environment under Windows 7
Sample code downloaded from IBM Bluemix. Error starting debugging locally: Error: Cannot find Module ‘Express’
The diagram below:

Solutions:
Just execute the command “NPM install” in the corresponding application directory, as shown in the figure below:

Before the above operation, the command “NPM install -g Express” was also executed, I wonder if it has any effect, as shown in the figure below:

= = = = = = = = = = = = = = = = = = = = = = = = = = = = I am separated line = = = = = = = = = = = = = = = = = = = = =
Please use a word to show that although you spend Valentine’s Day alone, but not lonely……
A: Where is my pump?
B: Watching ghost movies at night, I instantly feel someone in the kitchen, the toilet, the wardrobe, and under the bed. I don’t feel bored at all…
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Valentine’s Day is the day when the mistress and the principal room rob a man, the day when the underground party rises to the surface, the day when the rose appreciates, and the day when the living are created! At 4 p.m., the florist smiled; At six o ‘clock in the evening, the owner of the restaurant smiled; At 9 p.m., the nightclub manager smiled; Midnight, the hotel owner smiled; The next day, the drugstore owner smiled; A month later, the gynecological hospital doctors and nurses all smiled.

Experience of using on error resume next in VBScript

In Vbscript, error handling is done using on Error Resume Next. If you add this sentence to your code, and if any errors occur in other code after this sentence, the system will ignore them and run the rest of the code. In the meantime, we can use the following code to catch errors.

this catches the error code and the description of the error and writes to the log file. However, the problem is that the code after we caught the error, if the error occurs again and you don’t catch it, the code will still ignore the error and continue to run. Ignoring errors is an undesirable result and can make debugging difficult. At this point, the sentence “On Error GoTo 0” can be used to terminate the previous Error handling, that is, it can be paired with “On Error Resume Next”. This will not affect the rest of the code.

has several characteristics to understand,

, 1 on error resume Next if defined in the global, the effect is global, you use this phrase in the main program, the back if the call a function, so if there is an error in the function, also will be ignored, behind the function call statements in your main program can also capture the error, this can be through the following simple code validation:

The result of executing the above code:

13 – type が consistent し ま せ ん.
main ….
As you can see, aaaaaaaaaaa was a deliberate error in the function, followed by wscript.echo “Funcb OK” and the following code were not executed. However, wscript.echo “main…” in the main program The statement is executed. That is, if a statement in a function is wrong, none of the subsequent statements in the function are executed, and the statement following the call to the function is executed directly.
2, On Error Resume Next If defined in the function, see the following code execution

execution results are as follows:
funcb ok
13 – type が consistent し ま せ ん.
13 – type が consistent し ま せ ん.
main ….
It can be seen that this error can be caught in the Err object inside the function and in the main program that calls it. This indicates that the Err object is global, so it should be understood that the scope of err is valid between an On Error Resume Next statement and an On Error Goto 0. If we add an invalid statement after the funcb call statement, the error MSG box will pop up, indicating that the On Error Resume Next in the function body cannot be applied outside of the function.
These are some of the experiences of using On Error Resume Next. If you understand the above two points, you can better use the error handling functions.
http://blog.csdn.net/zmxj/archive/2009/02/24/3932065.aspx
Reference: http://www.meizi.cn/article.asp?id=4
 

Server object error ‘ASP 0178: 80070005’

Server object error \’ASP 0178:80070005\’

Server.createobject access error

Mang/fuc. Asp, line 11

The call to server.createObject failed when checking the weight limit. Deny access to this object.

Some friends make these errors on ASP sites.

Treatment method:

1. First check to see which object component they call, and then add permission to the corresponding file. You can also re-register with the component if necessary.

For example, Set Conn = server.createObject (” adodb.Connection “)

Then the object called is the component ADODB. You want to view permissions or re-register based on the component you call.

2, if the site access to run permissions are enough, it needs to check the TMP file under the root directory of C disk, because the site is visited, first access to the TMP file, to add the permissions of everyone to this file, generally speaking, out of the full control and modification, other permissions need to be added.

2009-03-25

Reproduced in: https://blog.51cto.com/hi289/1753679

Errno in Linux Programming

The original reference: http://mylinuxbook.com/error-handling-in-c-programming-on-linux/
This article mainly introduces the use of the global variable errno and related functions: Strerror (), strerror_r(), perror(). We can check the value of errno after calling a function to see what happens during the execution of the function. Here’s a simple example of trying to open a file that doesn’t exist read-only:

#include<stdio.h>
#include<errno.h>

int main(void)
{
    FILE *fd = NULL;

    // Reset errno to zero before calling fopen().
    errno = 0;

    // Lets open a file that does not exist   
    fd = fopen("Linux.txt","r");
    if(errno)
    {
        printf("\n fopen() failed： errno = %d\n", errno);
    }

    return 0;
}

The value of errno is set to 0 before the call of Fopen. After the call of Fopen (), we can check the value of errno to determine whether the file was successfully opened. The following is the result of execution:

fopen() failed: errno = 2
You can see that the fopen() function sets the value of errno to 2 to indicate that the file was not successfully opened. Then, errno is a number, and many times we need to see a more intuitive error message, which is strerror(), which converts the value of errno into a readable string, as shown in the following example:

#include<stdio.h>
#include<errno.h>
#include<string.h>

int main(void)
{
    FILE *fd = NULL;

    // Reset errno to zero before calling fopen().
    errno = 0;

    // Lets open a file that does not exist   
    fd = fopen("Linux.txt","r");
    if(errno)
    {
        // Use strerror to display the error string
        printf("\nThe function fopen failed due to : [%s]\n",(char*)strerror(errno));  //#1
        return -1;
    }

    return 0;
}

The output results of the program are as follows:

The function fopen failed due to: [No to The file or directory]
so we can directly see what has gone wrong, but The strerror () there is a problem, is The strerror () returns The string stored in a public area, i.e., said that if other threads also calls The function, and introduced into a different errno values, The string will be overwritten. To solve this problem, with strerro_r(), the function takes a BUF as an argument and stores the string in that BUF. Perror () also appears to output a readable error message, except that it is printed out to Stderr, and perror() replaces the output statement #1 in the above code, as follows:

perror("The function fopen failed due to");

The output page is similar:

The function fopen failed due to: No such file or directory

One thing to note: Perror does not take errno as a parameter, but instead reads the value of errno internally.

IOS reverse error: use of undeclared identifier ‘mshookivar’

IOS reverse development communication group

When I was writing code with Theos, I found that ‘MSHookIvar’ failed to compile, and after searching for some reason, I found that a substrate. H file was missing. Download this file, then copy it to your project directory and import the header file in your Tweak. Xm:

#include <substrate.h>

Substrate. H file download
You can directly add a substrate. H code is as follows:

/* Cydia Substrate - Powerful Code Insertion Platform
 * Copyright (C) 2008-2013  Jay Freeman (saurik)
*/

/* GNU General Public License, Version 3 {{{ */
/*
 * Substrate is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * Substrate is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
**/
/* }}} */

#ifndef SUBSTRATE_H_
#define SUBSTRATE_H_

#ifdef __APPLE__
#ifdef __cplusplus
extern "C" {
#endif
#include <mach-o/nlist.h>
#ifdef __cplusplus
}
#endif

#include <objc/runtime.h>
#include <objc/message.h>
#endif

#include <dlfcn.h>
#include <stdbool.h>
#include <stdlib.h>

#define _finline \
    inline __attribute__((__always_inline__))
#define _disused \
    __attribute__((__unused__))

#ifdef __cplusplus
#define _default(value) = value
#else
#define _default(value)
#endif

#ifdef __cplusplus
extern "C" {
#endif

bool MSHookProcess(pid_t pid, const char *library);

typedef const void *MSImageRef;

MSImageRef MSGetImageByName(const char *file);
void *MSFindSymbol(MSImageRef image, const char *name);

void MSHookFunction(void *symbol, void *replace, void **result);

#ifdef __APPLE__
#ifdef __arm__
__attribute__((__deprecated__))
IMP MSHookMessage(Class _class, SEL sel, IMP imp, const char *prefix _default(NULL));
#endif
void MSHookMessageEx(Class _class, SEL sel, IMP imp, IMP *result);
#endif

#ifdef __ANDROID__
#include <jni.h>
void MSJavaHookClassLoad(JNIEnv *jni, const char *name, void (*callback)(JNIEnv *, jclass, void *), void *data _default(NULL));
void MSJavaHookMethod(JNIEnv *jni, jclass _class, jmethodID methodID, void *function, void **result);
void MSJavaBlessClassLoader(JNIEnv *jni, jobject loader);

typedef struct MSJavaObjectKey_ *MSJavaObjectKey;
MSJavaObjectKey MSJavaCreateObjectKey();
void MSJavaReleaseObjectKey(MSJavaObjectKey key);
void *MSJavaGetObjectKey(JNIEnv *jni, jobject object, MSJavaObjectKey key);
void MSJavaSetObjectKey(JNIEnv *jni, jobject object, MSJavaObjectKey key, void *value, void (*clean)(void *, JNIEnv *, void *) _default(NULL), void *data _default(NULL));
#endif

#ifdef __cplusplus
}
#endif

#ifdef __cplusplus

#ifdef __APPLE__

namespace etl {

template <unsigned Case_>
struct Case {
    static char value[Case_ + 1];
};

typedef Case<true> Yes;
typedef Case<false> No;

namespace be {
    template <typename Checked_>
    static Yes CheckClass_(void (Checked_::*)());

    template <typename Checked_>
    static No CheckClass_(...);
}

template <typename Type_>
struct IsClass {
    void gcc32();

    static const bool value = (sizeof(be::CheckClass_<Type_>(0).value) == sizeof(Yes::value));
};

}

#ifdef __arm__
template <typename Type_>
__attribute__((__deprecated__))
static inline Type_ *MSHookMessage(Class _class, SEL sel, Type_ *imp, const char *prefix = NULL) {
    return reinterpret_cast<Type_ *>(MSHookMessage(_class, sel, reinterpret_cast<IMP>(imp), prefix));
}
#endif

template <typename Type_>
static inline void MSHookMessage(Class _class, SEL sel, Type_ *imp, Type_ **result) {
    return MSHookMessageEx(_class, sel, reinterpret_cast<IMP>(imp), reinterpret_cast<IMP *>(result));
}

template <typename Type_>
static inline Type_ &MSHookIvar(id self, const char *name) {
    Ivar ivar(class_getInstanceVariable(object_getClass(self), name));
    void *pointer(ivar == NULL ?NULL : reinterpret_cast<char *>(self) + ivar_getOffset(ivar));
    return *reinterpret_cast<Type_ *>(pointer);
}

#define MSAddMessage0(_class, type, arg0) \
    class_addMethod($ ## _class, @selector(arg0), (IMP) &$ ## _class ## $ ## arg0, type);
#define MSAddMessage1(_class, type, arg0) \
    class_addMethod($ ## _class, @selector(arg0:), (IMP) &$ ## _class ## $ ## arg0 ## $, type);
#define MSAddMessage2(_class, type, arg0, arg1) \
    class_addMethod($ ## _class, @selector(arg0:arg1:), (IMP) &$ ## _class ## $ ## arg0 ## $ ## arg1 ## $, type);
#define MSAddMessage3(_class, type, arg0, arg1, arg2) \
    class_addMethod($ ## _class, @selector(arg0:arg1:arg2:), (IMP) &$ ## _class ## $ ## arg0 ## $ ## arg1 ## $ ## arg2 ## $, type);
#define MSAddMessage4(_class, type, arg0, arg1, arg2, arg3) \
    class_addMethod($ ## _class, @selector(arg0:arg1:arg2:arg3:), (IMP) &$ ## _class ## $ ## arg0 ## $ ## arg1 ## $ ## arg2 ## $ ## arg3 ## $, type);
#define MSAddMessage5(_class, type, arg0, arg1, arg2, arg3, arg4) \
    class_addMethod($ ## _class, @selector(arg0:arg1:arg2:arg3:arg4:), (IMP) &$ ## _class ## $ ## arg0 ## $ ## arg1 ## $ ## arg2 ## $ ## arg3 ## $ ## arg4 ## $, type);
#define MSAddMessage6(_class, type, arg0, arg1, arg2, arg3, arg4, arg5) \
    class_addMethod($ ## _class, @selector(arg0:arg1:arg2:arg3:arg4:arg5:), (IMP) &$ ## _class ## $ ## arg0 ## $ ## arg1 ## $ ## arg2 ## $ ## arg3 ## $ ## arg4 ## $ ## arg5 ## $, type);
#define MSAddMessage7(_class, type, arg0, arg1, arg2, arg3, arg4, arg5, arg6) \
    class_addMethod($ ## _class, @selector(arg0:arg1:arg2:arg3:arg4:arg5:arg6:), (IMP) &$ ## _class ## $ ## arg0 ## $ ## arg1 ## $ ## arg2 ## $ ## arg3 ## $ ## arg4 ## $ ## arg5 ## $ $$ arg6 ## $, type);
#define MSAddMessage8(_class, type, arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7) \
    class_addMethod($ ## _class, @selector(arg0:arg1:arg2:arg3:arg4:arg5:arg6:arg7:), (IMP) &$ ## _class ## $ ## arg0 ## $ ## arg1 ## $ ## arg2 ## $ ## arg3 ## $ ## arg4 ## $ ## arg5 ## $ $$ arg6 ## $ ## arg7 ## $, type);

#define MSHookMessage0(_class, arg0) \
    MSHookMessage($ ## _class, @selector(arg0), MSHake(_class ## $ ## arg0))
#define MSHookMessage1(_class, arg0) \
    MSHookMessage($ ## _class, @selector(arg0:), MSHake(_class ## $ ## arg0 ## $))
#define MSHookMessage2(_class, arg0, arg1) \
    MSHookMessage($ ## _class, @selector(arg0:arg1:), MSHake(_class ## $ ## arg0 ## $ ## arg1 ## $))
#define MSHookMessage3(_class, arg0, arg1, arg2) \
    MSHookMessage($ ## _class, @selector(arg0:arg1:arg2:), MSHake(_class ## $ ## arg0 ## $ ## arg1 ## $ ## arg2 ## $))
#define MSHookMessage4(_class, arg0, arg1, arg2, arg3) \
    MSHookMessage($ ## _class, @selector(arg0:arg1:arg2:arg3:), MSHake(_class ## $ ## arg0 ## $ ## arg1 ## $ ## arg2 ## $ ## arg3 ## $))
#define MSHookMessage5(_class, arg0, arg1, arg2, arg3, arg4) \
    MSHookMessage($ ## _class, @selector(arg0:arg1:arg2:arg3:arg4:), MSHake(_class ## $ ## arg0 ## $ ## arg1 ## $ ## arg2 ## $ ## arg3 ## $ ## arg4 ## $))
#define MSHookMessage6(_class, arg0, arg1, arg2, arg3, arg4, arg5) \
    MSHookMessage($ ## _class, @selector(arg0:arg1:arg2:arg3:arg4:arg5:), MSHake(_class ## $ ## arg0 ## $ ## arg1 ## $ ## arg2 ## $ ## arg3 ## $ ## arg4 ## $ ## arg5 ## $))
#define MSHookMessage7(_class, arg0, arg1, arg2, arg3, arg4, arg5, arg6) \
    MSHookMessage($ ## _class, @selector(arg0:arg1:arg2:arg3:arg4:arg5:arg6:), MSHake(_class ## $ ## arg0 ## $ ## arg1 ## $ ## arg2 ## $ ## arg3 ## $ ## arg4 ## $ ## arg5 ## $ ## arg6 ## $))
#define MSHookMessage8(_class, arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7) \
    MSHookMessage($ ## _class, @selector(arg0:arg1:arg2:arg3:arg4:arg5:arg6:arg7:), MSHake(_class ## $ ## arg0 ## $ ## arg1 ## $ ## arg2 ## $ ## arg3 ## $ ## arg4 ## $ ## arg5 ## $ ## arg6 ## $ ## arg7 ## $))

#define MSRegister_(name, dollar, colon) \
    namespace { static class C_$ ## name ## $ ## dollar { public: _finline C_$ ## name ## $ ##dollar() { \
        MSHookMessage($ ## name, @selector(colon), MSHake(name ## $ ## dollar)); \
    } } V_$ ## name ## $ ## dollar; } \

#define MSIgnore_(name, dollar, colon)

#ifdef __arm64__
#define MS_objc_msgSendSuper_stret objc_msgSendSuper
#else
#define MS_objc_msgSendSuper_stret objc_msgSendSuper_stret
#endif

#define MSMessage_(extra, type, _class, name, dollar, colon, call, args...) \
    static type _$ ## name ## $ ## dollar(Class _cls, type (*_old)(_class, SEL, ## args, ...), type (*_spr)(struct objc_super *, SEL, ## args, ...), _class self, SEL _cmd, ## args); \
    MSHook(type, name ## $ ## dollar, _class self, SEL _cmd, ## args) { \
        Class const _cls($ ## name); \
        type (* const _old)(_class, SEL, ## args, ...) = reinterpret_cast<type (* const)(_class, SEL, ## args, ...)>(_ ## name ## $ ## dollar); \
        typedef type (*msgSendSuper_t)(struct objc_super *, SEL, ## args, ...); \
        msgSendSuper_t const _spr(::etl::IsClass<type>::value ?reinterpret_cast<msgSendSuper_t>(&MS_objc_msgSendSuper_stret) : reinterpret_cast<msgSendSuper_t>(&objc_msgSendSuper)); \
        return _$ ## name ## $ ## dollar call; \
    } \
    extra(name, dollar, colon) \
    static _finline type _$ ## name ## $ ## dollar(Class _cls, type (*_old)(_class, SEL, ## args, ...), type (*_spr)(struct objc_super *, SEL, ## args, ...), _class self, SEL _cmd, ## args)

/* for((x=1;x!=7;++x)){ echo -n "#define MSMessage${x}_(extra, type, _class, name";for((y=0;y!=x;++y));do echo -n ", sel$y";done;for((y=0;y!=x;++y));do echo -n ", type$y, arg$y";done;echo ") \\";echo -n "    MSMessage_(extra, type, _class, name,";for((y=0;y!=x;++y));do if [[ $y -ne 0 ]];then echo -n " ##";fi;echo -n " sel$y ## $";done;echo -n ", ";for((y=0;y!=x;++y));do echo -n "sel$y:";done;echo -n ", (_cls, _old, _spr, self, _cmd";for((y=0;y!=x;++y));do echo -n ", arg$y";done;echo -n ")";for((y=0;y!=x;++y));do echo -n ", type$y arg$y";done;echo ")";} */

#define MSMessage0_(extra, type, _class, name, sel0) \
    MSMessage_(extra, type, _class, name, sel0, sel0, (_cls, _old, _spr, self, _cmd))
#define MSMessage1_(extra, type, _class, name, sel0, type0, arg0) \
    MSMessage_(extra, type, _class, name, sel0 ## $, sel0:, (_cls, _old, _spr, self, _cmd, arg0), type0 arg0)
#define MSMessage2_(extra, type, _class, name, sel0, sel1, type0, arg0, type1, arg1) \
    MSMessage_(extra, type, _class, name, sel0 ## $ ## sel1 ## $, sel0:sel1:, (_cls, _old, _spr, self, _cmd, arg0, arg1), type0 arg0, type1 arg1)
#define MSMessage3_(extra, type, _class, name, sel0, sel1, sel2, type0, arg0, type1, arg1, type2, arg2) \
    MSMessage_(extra, type, _class, name, sel0 ## $ ## sel1 ## $ ## sel2 ## $, sel0:sel1:sel2:, (_cls, _old, _spr, self, _cmd, arg0, arg1, arg2), type0 arg0, type1 arg1, type2 arg2)
#define MSMessage4_(extra, type, _class, name, sel0, sel1, sel2, sel3, type0, arg0, type1, arg1, type2, arg2, type3, arg3) \
    MSMessage_(extra, type, _class, name, sel0 ## $ ## sel1 ## $ ## sel2 ## $ ## sel3 ## $, sel0:sel1:sel2:sel3:, (_cls, _old, _spr, self, _cmd, arg0, arg1, arg2, arg3), type0 arg0, type1 arg1, type2 arg2, type3 arg3)
#define MSMessage5_(extra, type, _class, name, sel0, sel1, sel2, sel3, sel4, type0, arg0, type1, arg1, type2, arg2, type3, arg3, type4, arg4) \
    MSMessage_(extra, type, _class, name, sel0 ## $ ## sel1 ## $ ## sel2 ## $ ## sel3 ## $ ## sel4 ## $, sel0:sel1:sel2:sel3:sel4:, (_cls, _old, _spr, self, _cmd, arg0, arg1, arg2, arg3, arg4), type0 arg0, type1 arg1, type2 arg2, type3 arg3, type4 arg4)
#define MSMessage6_(extra, type, _class, name, sel0, sel1, sel2, sel3, sel4, sel5, type0, arg0, type1, arg1, type2, arg2, type3, arg3, type4, arg4, type5, arg5) \
    MSMessage_(extra, type, _class, name, sel0 ## $ ## sel1 ## $ ## sel2 ## $ ## sel3 ## $ ## sel4 ## $ ## sel5 ## $, sel0:sel1:sel2:sel3:sel4:sel5:, (_cls, _old, _spr, self, _cmd, arg0, arg1, arg2, arg3, arg4, arg5), type0 arg0, type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5)
#define MSMessage7_(extra, type, _class, name, sel0, sel1, sel2, sel3, sel4, sel5, sel6, type0, arg0, type1, arg1, type2, arg2, type3, arg3, type4, arg4, type5, arg5, type6, arg6) \
    MSMessage_(extra, type, _class, name, sel0 ## $ ## sel1 ## $ ## sel2 ## $ ## sel3 ## $ ## sel4 ## $ ## sel5 ## $ ## sel6 ## $, sel0:sel1:sel2:sel3:sel4:sel5:sel6:, (_cls, _old, _spr, self, _cmd, arg0, arg1, arg2, arg3, arg4, arg5, arg6), type0 arg0, type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6)
#define MSMessage8_(extra, type, _class, name, sel0, sel1, sel2, sel3, sel4, sel5, sel6, sel7, type0, arg0, type1, arg1, type2, arg2, type3, arg3, type4, arg4, type5, arg5, type6, arg6, type7, arg7) \
    MSMessage_(extra, type, _class, name, sel0 ## $ ## sel1 ## $ ## sel2 ## $ ## sel3 ## $ ## sel4 ## $ ## sel5 ## $ ## sel6 ## $ ## sel7 ## $, sel0:sel1:sel2:sel3:sel4:sel5:sel6:sel7:, (_cls, _old, _spr, self, _cmd, arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7), type0 arg0, type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6, type7 arg7)

#define MSInstanceMessage0(type, _class, args...) MSMessage0_(MSIgnore_, type, _class *, _class, ## args)
#define MSInstanceMessage1(type, _class, args...) MSMessage1_(MSIgnore_, type, _class *, _class, ## args)
#define MSInstanceMessage2(type, _class, args...) MSMessage2_(MSIgnore_, type, _class *, _class, ## args)
#define MSInstanceMessage3(type, _class, args...) MSMessage3_(MSIgnore_, type, _class *, _class, ## args)
#define MSInstanceMessage4(type, _class, args...) MSMessage4_(MSIgnore_, type, _class *, _class, ## args)
#define MSInstanceMessage5(type, _class, args...) MSMessage5_(MSIgnore_, type, _class *, _class, ## args)
#define MSInstanceMessage6(type, _class, args...) MSMessage6_(MSIgnore_, type, _class *, _class, ## args)
#define MSInstanceMessage7(type, _class, args...) MSMessage7_(MSIgnore_, type, _class *, _class, ## args)
#define MSInstanceMessage8(type, _class, args...) MSMessage8_(MSIgnore_, type, _class *, _class, ## args)

#define MSClassMessage0(type, _class, args...) MSMessage0_(MSIgnore_, type, Class, $ ## _class, ## args)
#define MSClassMessage1(type, _class, args...) MSMessage1_(MSIgnore_, type, Class, $ ## _class, ## args)
#define MSClassMessage2(type, _class, args...) MSMessage2_(MSIgnore_, type, Class, $ ## _class, ## args)
#define MSClassMessage3(type, _class, args...) MSMessage3_(MSIgnore_, type, Class, $ ## _class, ## args)
#define MSClassMessage4(type, _class, args...) MSMessage4_(MSIgnore_, type, Class, $ ## _class, ## args)
#define MSClassMessage5(type, _class, args...) MSMessage5_(MSIgnore_, type, Class, $ ## _class, ## args)
#define MSClassMessage6(type, _class, args...) MSMessage6_(MSIgnore_, type, Class, $ ## _class, ## args)
#define MSClassMessage7(type, _class, args...) MSMessage7_(MSIgnore_, type, Class, $ ## _class, ## args)
#define MSClassMessage8(type, _class, args...) MSMessage8_(MSIgnore_, type, Class, $ ## _class, ## args)

#define MSInstanceMessageHook0(type, _class, args...) MSMessage0_(MSRegister_, type, _class *, _class, ## args)
#define MSInstanceMessageHook1(type, _class, args...) MSMessage1_(MSRegister_, type, _class *, _class, ## args)
#define MSInstanceMessageHook2(type, _class, args...) MSMessage2_(MSRegister_, type, _class *, _class, ## args)
#define MSInstanceMessageHook3(type, _class, args...) MSMessage3_(MSRegister_, type, _class *, _class, ## args)
#define MSInstanceMessageHook4(type, _class, args...) MSMessage4_(MSRegister_, type, _class *, _class, ## args)
#define MSInstanceMessageHook5(type, _class, args...) MSMessage5_(MSRegister_, type, _class *, _class, ## args)
#define MSInstanceMessageHook6(type, _class, args...) MSMessage6_(MSRegister_, type, _class *, _class, ## args)
#define MSInstanceMessageHook7(type, _class, args...) MSMessage7_(MSRegister_, type, _class *, _class, ## args)
#define MSInstanceMessageHook8(type, _class, args...) MSMessage8_(MSRegister_, type, _class *, _class, ## args)

#define MSClassMessageHook0(type, _class, args...) MSMessage0_(MSRegister_, type, Class, $ ## _class, ## args)
#define MSClassMessageHook1(type, _class, args...) MSMessage1_(MSRegister_, type, Class, $ ## _class, ## args)
#define MSClassMessageHook2(type, _class, args...) MSMessage2_(MSRegister_, type, Class, $ ## _class, ## args)
#define MSClassMessageHook3(type, _class, args...) MSMessage3_(MSRegister_, type, Class, $ ## _class, ## args)
#define MSClassMessageHook4(type, _class, args...) MSMessage4_(MSRegister_, type, Class, $ ## _class, ## args)
#define MSClassMessageHook5(type, _class, args...) MSMessage5_(MSRegister_, type, Class, $ ## _class, ## args)
#define MSClassMessageHook6(type, _class, args...) MSMessage6_(MSRegister_, type, Class, $ ## _class, ## args)
#define MSClassMessageHook7(type, _class, args...) MSMessage7_(MSRegister_, type, Class, $ ## _class, ## args)
#define MSClassMessageHook8(type, _class, args...) MSMessage8_(MSRegister_, type, Class, $ ## _class, ## args)

#define MSOldCall(args...) \
    _old(self, _cmd, ## args)
#define MSSuperCall(args...) \
    _spr(& (struct objc_super) {self, class_getSuperclass(_cls)}, _cmd, ## args)

#define MSIvarHook(type, name) \
    type &name(MSHookIvar<type>(self, #name))

#define MSClassHook(name) \
    @class name; \
    static Class $ ## name = objc_getClass(#name);
#define MSMetaClassHook(name) \
    @class name; \
    static Class $$ ## name = object_getClass($ ## name);

#endif/*__APPLE__*/

template <typename Type_>
static inline void MSHookFunction(Type_ *symbol, Type_ *replace, Type_ **result) {
    return MSHookFunction(
        reinterpret_cast<void *>(symbol),
        reinterpret_cast<void *>(replace),
        reinterpret_cast<void **>(result)
    );
}

template <typename Type_>
static inline void MSHookFunction(Type_ *symbol, Type_ *replace) {
    return MSHookFunction(symbol, replace, reinterpret_cast<Type_ **>(NULL));
}

template <typename Type_>
static inline void MSHookSymbol(Type_ *&value, const char *name, MSImageRef image = NULL) {
    value = reinterpret_cast<Type_ *>(MSFindSymbol(image, name));
}

template <typename Type_>
static inline void MSHookFunction(const char *name, Type_ *replace, Type_ **result = NULL) {
    Type_ *symbol;
    MSHookSymbol(symbol, name);
    return MSHookFunction(symbol, replace, result);
}

template <typename Type_>
static inline void MSHookFunction(MSImageRef image, const char *name, Type_ *replace, Type_ **result = NULL) {
    Type_ *symbol;
    MSHookSymbol(symbol, name, image);
    return MSHookFunction(symbol, replace, result);
}

#endif

#ifdef __ANDROID__

// g++ versions before 4.7 define __cplusplus to 1
// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=1773
#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__)

template <typename Type_, typename Kind_, typename ...Args_>
static inline void MSJavaHookMethod(JNIEnv *jni, jclass _class, jmethodID method, Type_ (*replace)(JNIEnv *, Kind_, Args_...), Type_ (**result)(JNIEnv *, Kind_, ...)) {
    return MSJavaHookMethod(
        jni, _class, method,
        reinterpret_cast<void *>(replace),
        reinterpret_cast<void **>(result)
    );
}

#endif

#ifdef __cplusplus

static inline void MSAndroidGetPackage(JNIEnv *jni, jobject global, const char *name, jobject &local, jobject &loader) {
    jclass Context(jni->FindClass("android/content/Context"));
    jmethodID Context$createPackageContext(jni->GetMethodID(Context, "createPackageContext", "(Ljava/lang/String;I)Landroid/content/Context;"));
    jmethodID Context$getClassLoader(jni->GetMethodID(Context, "getClassLoader", "()Ljava/lang/ClassLoader;"));

    jstring string(jni->NewStringUTF(name));
    local = jni->CallObjectMethod(global, Context$createPackageContext, string, 3);
    loader = jni->CallObjectMethod(local, Context$getClassLoader);
}

static inline jclass MSJavaFindClass(JNIEnv *jni, jobject loader, const char *name) {
    jclass Class(jni->FindClass("java/lang/Class"));
    jmethodID Class$forName(jni->GetStaticMethodID(Class, "forName", "(Ljava/lang/String;ZLjava/lang/ClassLoader;)Ljava/lang/Class;"));

    jstring string(jni->NewStringUTF(name));
    jobject _class(jni->CallStaticObjectMethod(Class, Class$forName, string, JNI_TRUE, loader));
    if (jni->ExceptionCheck())
        return NULL;

    return reinterpret_cast<jclass>(_class);
}

_disused static void MSJavaCleanWeak(void *data, JNIEnv *jni, void *value) {
    jni->DeleteWeakGlobalRef(reinterpret_cast<jweak>(value));
}

#endif

#endif

#define MSHook(type, name, args...) \
    _disused static type (*_ ## name)(args); \
    static type $ ## name(args)

#define MSJavaHook(type, name, arg0, args...) \
    _disused static type (*_ ## name)(JNIEnv *jni, arg0, ...); \
    static type $ ## name(JNIEnv *jni, arg0, ## args)

#ifdef __cplusplus
#define MSHake(name) \
    &$ ## name, &_ ## name
#else
#define MSHake(name) \
    &$ ## name, (void **) &_ ## name
#endif

#define SubstrateConcat_(lhs, rhs) \
    lhs ## rhs
#define SubstrateConcat(lhs, rhs) \
    SubstrateConcat_(lhs, rhs)

#ifdef __APPLE__
    #define SubstrateSection \
        __attribute__((__section__("__TEXT, __substrate")))
#else
    #define SubstrateSection \
        __attribute__((__section__(".substrate")))
#endif

#ifdef __APPLE__
#define MSFilterCFBundleID "Filter:CFBundleID"
#define MSFilterObjC_Class "Filter:ObjC.Class"
#endif

#define MSFilterLibrary "Filter:Library"
#define MSFilterExecutable "Filter:Executable"

#define MSConfig(name, value) \
    extern const char SubstrateConcat(_substrate_, __LINE__)[] SubstrateSection = name "=" value;

#ifdef __cplusplus
#define MSInitialize \
    static void _MSInitialize(void); \
    namespace { static class $MSInitialize { public: _finline $MSInitialize() { \
        _MSInitialize(); \
    } } $MSInitialize; } \
    static void _MSInitialize()
#else
#define MSInitialize \
    __attribute__((__constructor__)) static void _MSInitialize(void)
#endif

#define Foundation_f "/System/Library/Frameworks/Foundation.framework/Foundation"
#define UIKit_f "/System/Library/Frameworks/UIKit.framework/UIKit"
#define JavaScriptCore_f "/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore"
#define IOKit_f "/System/Library/Frameworks/IOKit.framework/IOKit"

#endif//SUBSTRATE_H_

fatal error C1001: INTERNAL COMPILER ERROR

Xiaobai is going through operator overloading in c++ today. In the process of debugging, an error was found as follows:
E:\ Work \C-C++\ Practice \ Capter10 \10-3\10-3. CPP (11) : Fatal Error C1001: INTERNAL COMPILER error (COMPILER file ‘mSC1.cpp ‘, line 1786)

Please choose the Technical Support command on the Visual C++

Help menu, or open the Technical Support Help file for more information

An error occurred while executing cl. Exe.
Xiaobai checked the code back and forth for 3 times, and found nothing unusual. The results after searching for a circle on the Internet are as follows:
This error is due to a bug in Microsoft visual Stdio 2008 (V6.0). The C++ standard has not been fully implemented in V6.0. The header file provided without the suffix. H does not support the operator overloading function as a friend function, but the older version of visual C++ with the suffix. H can support this function (such as method 2).
Method one:
will
#icnlude< iostream>
using namespace std;
Replace:
#include< iostream>
using std : : cout ;
using std : : endl ;
Method 2:
will

#icnlude< iostream>
using namespace std; Replace:
#include< iostream.h>

error TS2339:Property ‘length’ does not exist on type ‘object’

preface
Every time you reopen the project, startup reports the following error.

because every time the console starts up, it will report the error :Property ‘length’ does not exist on type ‘object ‘, but it has not been solved.
Error:

Solution:
Here the response is given to the policy, but it is still response.length when used below. There is no property “length”

Vue の NPM run serve error: parsing error: unexpected token<

error: Parsing error: Unexpected token <  

Although this error occurred, it did not affect the operation of the project.
Solution:
Run installation dependency

npm install --save-dev babel-plugin-transform-object-rest-spread

Then create the.babelrc.js file in the project directory and add the following code

babel: {
    presets: [
        'es2015'
    ]
    Plugins: [
        'transform-object-rest-spread'
    ]
}

Rerun, error is gone.

Follow-up update solutions:
If the above methods will also appear error Parsing error: Unexpected Token, add the following code
Start with the installation dependencies

npm install babel-eslint --save

Then add code parsing to.eslintrc.js

"parser": "babel-eslint" 

Restart it.

Solve the problem that Windows 7 cannot be updated automatically_ Prompt error code 80246008

Windows 7 cannot automatically update the error code 80246008
Since yesterday, Windows Update Update encountered an error, unable to download and install the Update patch, error code 80246008.
As shown in figure

= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Click “Get Help information about the error” in the figure to get the following:
You must log in as an administrator to perform these steps.
If you receive a Windows Update error 80246008 while downloading the Update, you may need to change the backend Smart Transfer Service (BITS) or Windows Event log service Settings, and then restart each service.
The steps to change or restart the backend intelligent Transport Service (BITS)

1.
By clicking the Start button


, then click Control Panel to open Administration Tools. In the search box, type Administrative Tools, and then click Administrative Tools.

2.
Double-click Services.