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Clearing coverage highlighting in Eclipse
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For Clover you can hide the colors in the java editor by going to "Clover | Coverage Explorer" -> Coverage in Editors > Show None. Hides all red/green coverage areas in open Java editors.
– Vineet Bhatia
Dec 5 '14 at 14:21...
How to write log base(2) in c/c++
... There is also a nice bit-twiddling method for this (taken from Java's Integer.highestOneBit(int) method): i |= (i >> 1); i |= (i >> 2); i |= (i >> 4); i |= (i >> 8); i |= (i >> 16); return i - (i >>> 1);
– Joey
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Should methods that throw RuntimeException indicate it in method signature?
...s whether the exception has to be explicitly handled.
Declaring it in the javadoc is a better approach since it allows someone to handle it if they think it is necessary, but knowing they can ignore it if they want. This makes the separation between checked and unchecked clear.
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What is a build tool?
For past 4 years, I have been programming with Eclipse (for Java), and Visual Studio Express (for C#). The IDEs mentioned always seemed to provide every facility a programmer might ask for (related to programming, of course).
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Under what circumstances are linked lists useful?
...d out with a single CAS (+retries).
In a modern GC-d environment - such as Java and .NET - the ABA problem can easily be avoided.
Just wrap items you add in freshly created nodes and do not reuse those nodes - let the GC do its work.
The page on the ABA problem also provides the implementation of a...
Do you debug C++ code in Vim? How? [closed]
... "program": "${fileDirname}/${fileBasenameNoExtension}"
}
},
"Java - Launch": {
"adapter": "vscode-java",
"configuration": {
"name": "Java: Launch current file",
"request": "launch",
"mainClass": "com.vimspector.test.TestApplication",
"sourcePaths": [ "${...
LR性能指标解释 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...巴集团自主开发，嵌入到应用代码中使用。
2.Jstat。监控java[/url]进程GC情况，判断GC是否正常。
3.JConsole。监控java内存、java CPU使用率、线程执行情况等，需要在JVM参数中进行配置。
4.JMap。监控java程序是否有内存泄漏，需要配...
Converting Integer to Long
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This code works (Java implicitly unboxes the Integer to int and then casts to long before passing to the now deprecated Long(long) constructor.
– Ole V.V.
Oct 1 '18 at 12:53
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TreeMap sort by value
... // prints "false"!!!
Related questions
When comparing two Integers in Java does auto-unboxing occur? (NO!!!)
Is it guaranteed that new Integer(i) == i in Java? (YES!!!)
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Handler is abstract ,cannot be instantiated
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It seems you have imported a wrong Handler class
import java.util.logging.Handler;
Change it to
import android.os.Handler;
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