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Is the != check thread safe?
...LD test/Test1.a : Ljava/lang/Object;
IF_ACMPEQ L1
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as we can see it loads field a to local vars twice, it's a non-atomic operation, if a was changed in between by another thread comparison may produce false.
Also, memory visibility problem is relevant here, there is no guarantee that cha...
What happens to a detached thread when main() exits?
Assume I'm starting a std::thread and then detach() it, so the thread continues executing even though the std::thread that once represented it, goes out of scope.
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&& (AND) and || (OR) in IF statements
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No, it will not be evaluated. And this is very useful. For example, if you need to test whether a String is not null or empty, you can write:
if (str != null && !str.isEmpty()) {
doSomethingWith(str.charAt(0));
}
or,...
How/When does Execute Shell mark a build as failure in Jenkins?
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If you have a shell script that does "checkout, build, deploy" all by itself, then why are you using Jenkins? You are foregoing all the features of Jenkins that make it what it is. You might as well have a cron or an SVN post-commit hook call the script directly. Jenkins performing the SVN chec...
What is a None value?
... points. I thought that I would find the answer to my question, if I share it there.
9 Answers
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Git push rejected after feature branch rebase
OK, I thought this was a simple git scenario, what am I missing?
12 Answers
12
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Using relative URL in CSS file, what location is it relative to?
... a background image URL in a CSS file, when using a relative URL, where is it relative to? For example:
8 Answers
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Hidden features of mod_rewrite
There seem to be a decent number of mod_rewrite threads floating around lately with a bit of confusion over how certain aspects of it work. As a result I've compiled a few notes on common functionality, and perhaps a few annoying nuances.
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Android webview slow
...d webviews are slow. This is on everything from phones to 3.0+ tablets with more than adequate specs
10 Answers
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How do you effectively model inheritance in a database?
What are the best practices for modeling inheritance in databases?
9 Answers
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