Using the decorator may prompt property assignment expected. Vetur (1136)
Because eslint is used to check the code format, you can turn off the ability of vetur to verify script. Please add the following code in vscode settings
"vetur.validation.script": false,
Problem: when installing mmdetection, mmcv is often installed, module not founderror: no module named ‘mmcv_ The problem of ext ‘ use: If you have any strange problems, please use the version of mmcv that matches your environment, such as: For the specific version, please refer to the GitHub description of mmcv. The link is as follows: https://github.com/open-mmlab/mmcvpip install mmcv
pip install mmcv-fullpip install mmcv-full==latest+torch1.5.0+cu101 -f https://openmmlab.oss-accelerate.aliyuncs.com/mmcv/dist/index.html
I encountered some problems while debugging the code on baseline. At that time, I reported an error and couldn’t find the reason repeatedly. Later, inspired by the following blog, I finally solved the problem. I will summarize this problem again
https://blog.csdn.net/xnmc2014/article/details/85557384
The problem may be the following: pay attention to the parameters when calling dataloder
self.train_dataloader = DataLoader(train_dataset, batch_size=TrainOption.train_batch_size, shuffle=TRUE, num_workers=TrainOption.data_load_worker_num)The parameter setting of shuffle is wrong, because there is already a batch_ Sample, there is no need to shuffle for random sample, so shuffle here should be set to false.
Com.mysql.cj.exceptions.numberoutofrange: value ‘13873421234’ is outside of valid range for type Java. Lang.integer
the database is bigint
this error first check whether the XML configuration is wrong
select id = name “resulttype = entity class
check whether the type of entity class is wrong
java passes long
1、 Error analysis
It can be seen from the error prompt that the actual parameters passed in are larger than the parameters to be set in SQL, that is, the parameters in SQL?Less than parameter or?There is no
cause at all
？ The number is surrounded by single quotation marks
For example:
sql += " and article_title like '%#{articleTitle}%'";
2、 Solutions
Remove single quotes
The above SQL is changed to:
sql += " and article_title like concat('%',#{articleTitle},'%')";
The redis process has not started, and the following situation occurs
reloads the configuration, and the directory does not use the absolute path to restart. My redis is installed in the pagoda
redis.conf in the/www/server/redis directory
redis server in the/www/server/redis/SRC directory
Restart profile
/www/server/redis/src/redis-server /www/server/redis/redis.conf
Profile validation
Collectionutils.isempty (list)
when the list is empty, return true
collectionutils.isnotempty (list)
when not empty, return true if not empty
My android studio version is 4.0.2. Today, I double-click the Android studio icon, and suddenly the project window will not be displayed.
Open the environment variable and create a new user variable JDK_ Home , the value is the installation path of JDK. Create a new user variable instead of a new system variable. System variables need to be restarted to be valid.
Background
Charles postman has been opened locally. The post request cannot be sent normally. Error: self signed certificate
Solution
Just turn off the switch
Contents of articles
1、 2. Solutions
1、 Error information
When packaging and compiling Android applications, the following error is reported:;
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:packageDebug'.
> A failure occurred while executing com.android.build.gradle.tasks.PackageAndroidArtifact$IncrementalSplitterRunnable
> Entry name 'assets/xxx.xml' collided
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 2m 26s
51 actionable tasks: 5 executed, 46 up-to-date
2、 Solutions
The reason for the above error is that there is already a file in the target path to generate APK. Just delete the APK installation package generated last time;
Console.log is a very frequently used code in our daily front-end development, so how can we quickly type it in the vscode Compiler. In fact, it’s very simple, just two steps:
1. Open the file in vscode → preferences → user code fragment → search JavaScript in the search box and select JavaScript. JSON 2. Then we can open the key comment code in it
After opening, you can modify the code appropriately to see your personal habits
After saving, see the effect:
The effect of carriage return is as follows:
If you continue to use log as the keyword, choose the one in the figure below, otherwise console. Log () will not be displayed
After the installation of mysql5.7 physical machine, modify the binlog log in my.cnf, restart mysql, log in and connect to MySQL with the client of the machine, and report error 2000 (HY000): unknown MySQL error. This error will also be reported when mysqldump exports data of all tables,
solve:
1. When using systemctl restart mysqld, you can’t connect by using Navicat, but after using systemctl stop mysqld, you can connect by using systemctl start mysqld, but you still can’t export data by using mysqldump connection.
2. Directly back up the data file on MySQL, and then use docker to install mysql5.7, copy the data file to/var/lib/MySQL, a permission error will be reported, and then change the permission to chown mysql:mysql datadir Can be used normally, user name root password root
reference resources: https://dba.stackexchange.com/questions/91712/whats-causing-this-error-2000-hy000-unknown-mysql-error