大约有 40,740 项符合查询结果（耗时：0.0416秒） [XML]
Why does pycharm propose to change method to static
The new pycharm release (3.1.3 community edition) proposes to convert the methods that don't work with the current object's state to static.
...
Is it safe to parse a /proc/ file?
I want to parse /proc/net/tcp/ , but is it safe?
7 Answers
7
...
Is it a bad practice to use break in a for loop? [closed]
Is it a bad practice to use break statement inside a for loop ?
19 Answers
19
...
Xcode 4.4 error - Timed out waiting for app to launch
yesterday I installed Xcode 4.4.
12 Answers
12
...
How to identify CAAnimation within the animationDidStop delegate?
I had a problem where I had a series of overlapping CATransition / CAAnimation sequences, all of which I needed to perform custom operations when the animations stopped, but I only wanted one delegate handler for animationDidStop.
...
How do I pass multiple attributes into an Angular.js attribute directive?
I have an attribute directive restricted as follows:
5 Answers
5
...
JavaScript isset() equivalent
In PHP you can do if(isset($array['foo'])) { ... } . In JavaScript you often use if(array.foo) { ... } to do the same, but this is not exactly the same statement. The condition will also evaluate to false if array.foo does exists but is false or 0 (and probably other values as well).
...
Comparing Java enum members: == or equals()?
I know that Java enums are compiled to classes with private constructors and a bunch of public static members. When comparing two members of a given enum, I've always used .equals() , e.g.
...
How can I split a JavaScript string by white space or comma?
If I try
6 Answers
6
...
How do I make a placeholder for a 'select' box?
I'm using placeholders for text inputs which is working out just fine. But I'd like to use a placeholder for my selectboxes as well. Of course I can just use this code:
...