大约有 45,000 项符合查询结果（耗时：0.0452秒） [XML]
&& (AND) and || (OR) in IF statements
...
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,...
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
...
How/When does Execute Shell mark a build as failure in Jenkins?
...
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 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.
...
Git push rejected after feature branch rebase
OK, I thought this was a simple git scenario, what am I missing?
12 Answers
12
...
Is the != check thread safe?
...LD test/Test1.a : Ljava/lang/Object;
IF_ACMPEQ L1
...
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...
“Single-page” JS websites and SEO
...e are a lot of cool tools for making powerful "single-page" JavaScript websites nowadays. In my opinion, this is done right by letting the server act as an API (and nothing more) and letting the client handle all of the HTML generation stuff. The problem with this "pattern" is the lack of search eng...
Why doesn't nodelist have forEach?
...st does not have a forEach method. I know that nodelist doesn't inherit from Array , but doesn't it seem like forEach would be a useful method to have? Is there a particular implementation issue I am not aware of that prevents adding forEach to nodelist ?
...
Android webview slow
...d webviews are slow. This is on everything from phones to 3.0+ tablets with more than adequate specs
10 Answers
...
When monkey patching an instance method, can you call the overridden method from the new implementat
...I call the overridden method from the overriding method? I.e. Something a bit like super
3 Answers
...