is running compile time, eclipse suddenly reports a Hot Code Replace Failed error.
after checking, it was found that the debug process did not close before, during this time I modified the code. And try to run it, causing an error.
solution: terminate the debug process.
reason : there is an error in the program, Eclipse automatically starts debug to help you find the error, you only close the debug interface but do not end the debug, did not end the debug compilation and run, the following box appears.
fixes : just turn off debug, or restart Eclipse
>
>>
in Eclipse click on the menu window-& gt; Preferences-> C/C++-> New C/C++ Project Wizard-> Preferred Toolchains, the Project Type on the left selects one of the Executable, and toolchain(s) select MinGW GCC. Click make toolchain(s) Preferred to save
Maven: non-resolvable parent POM: Failure to find error
subproject clean, clean is to delete the jar package under target
the install, successful, will be under the target to generate the jar package,
packaging success
note: only the parent project, introduced a subproject, and then in the subproject right-click the run as maven install, all components of package are automatically packed, if commend father is right, then all the components of pom. The XML file is to introduce the parent project path
After
is packaged, start
java-jar diaodu-demo.jar
by entering the command CMD
in the directory with the boot class
just like launching in eclipse, if there is any error, it will report an error, and if there is no error, it will launch successfully
generally appears on the port, which is successfully started
encountered an eclipse new Project option that did not include C/C++ Project today.
first declare their installation software and environment (most of the articles xiaobai has seen so far do not explain their own environment to solve the problem, resulting in many xiaobai took a lot of detours).
– installation software: eclipse2020, win64. You can download it for free on your website.
2 installation environment: JDK14, this version is installed eclipse when the JDK is automatically configured, environment variables are also automatically configured (before manually installed and configured JDK1.7, does not affect the normal work of eclipse).
Problem with
3: eclipse cannot create a new C/C++ Project at this point.
is looking for a lot of solutions online, most of which require MinGW installation, which can be very confusing for xiaobai. Here’s a small white solution.
four solutions:
1. Open eclipse — help-install new software
2. In the Work with the input url: http://download.eclipse.org/tools/cdt/releases/kepler
3. CDT will be loaded later, select all, and click finish
4. Receive protocol and wait for installation:
5. Restart eclipse when finished.
the third time to write a blog, I hope to help xiaobai, welcome criticism and correction, together with progress!
the Google Java programming style specification recommends that blocks be indented to two Spaces, while Eclipse defaults to using tabs (\t) to indent blocks, and here’s how you can change the indentation of code in Eclipse:
thus, holding down the Tab key while writing code in the Eclipse code editing area indents the code with two Spaces.
Eclipse prompts to set
automatically
we open the Eclipse configuration autoprompt and click the window-preferences interface
first configure the automatic prompt for the Java file
click on Java – Editor – Content Assist and change Auto activation triggers for Java to
.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
good click Apply to
Refer to the article: https://blog.csdn.net/qq_36949176/article/details/86522183
here’s why:
1, is the view of the problems
: switch back to the Java view
2, if there is no solution, click Windows , Find perspective in it, then click reset perspective to solve the problem.