大约有 40,750 项符合查询结果（耗时：0.0487秒） [XML]
Assign variable in if condition statement, good practice or not? [closed]
I moved one years ago from classic OO languages such like Java to JavaScript. The following code is definitely not recommended (or even not correct) in Java:
...
How to remove trailing whitespaces with sed?
I have a simple shell script that removes trailing whitespace from a file. Is there any way to make this script more compact (without creating a temporary file)?
...
Traverse all the Nodes of a JSON Object Tree with JavaScript
I'd like to traverse a JSON object tree, but cannot find any library for that. It doesn't seem difficult but it feels like reinventing the wheel.
...
How do I update pip itself from inside my virtual environment?
I'm able to update pip-managed packages, but how do I update pip itself? According to pip --version , I currently have pip 1.1 installed in my virtualenv and I want to update to the latest version.
...
Performance of Java matrix math libraries? [closed]
We are computing something whose runtime is bound by matrix operations. (Some details below if interested.) This experience prompted the following question:
...
Split string to equal length substrings in Java
How to split the string "Thequickbrownfoxjumps" to substrings of equal size in Java.
Eg. "Thequickbrownfoxjumps" of 4 equal size should give the output.
...
Post parameter is always null
Since upgrading to RC for WebAPI I'm having some real odd issue when calling POST on my WebAPI.
I've even gone back to the basic version generated on new project. So:
...
Can I mask an input text in a bat file?
I am writing a batch file to execute some other programs. In this case I need to prompt for a password. Do I have any way to mask the input text? I don't need to print ******* characters instead of input characters. Linux's Password prompt behavior (Print nothing while typing) is enough.
...
How do I set the size of Emacs' window?
I'm trying to detect the size of the screen I'm starting emacs on, and adjust the size and position the window it is starting in (I guess that's the frame in emacs-speak) accordingly. I'm trying to set up my .emacs so that I always get a "reasonably-big" window with it's top-left corner near the top...