大约有 40,000 项符合查询结果(耗时:0.0494秒) [XML]

https://stackoverflow.com/ques... 

How to get a reference to a module inside the module itself?

... import sys current_module = sys.modules[__name__] share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

What should a Multipart HTTP request with multiple files look like? [duplicate]

... This is really NOT a good example. Why would you choose a boundary that already has -- in it for an example. If someone doesn't know that that boundary is the again prefixed with another 2 -- you're screwed. – Eri...
https://stackoverflow.com/ques... 

What does character set and collation mean exactly?

...a symbol, the number 0 is the encoding for 'A', and the combination of all four letters and their encodings is a character set. Now, suppose that we want to compare two string values, 'A' and 'B'. The simplest way to do this is to look at the encodings: 0 for 'A' and 1 for 'B'. Be...
https://stackoverflow.com/ques... 

How do I write the 'cd' command in a makefile?

... It is actually executing the command, changing the directory to some_directory, however, this is performed in a sub-process shell, and affects neither make nor the shell you're working from. If you're looking to perform more tasks wit...
https://stackoverflow.com/ques... 

Best way to parse command-line parameters? [closed]

What's the best way to parse command-line parameters in Scala? I personally prefer something lightweight that does not require external jar. ...
https://stackoverflow.com/ques... 

java.util.regex - importance of Pattern.compile()?

... The compile() method is always called at some point; it's the only way to create a Pattern object. So the question is really, why should you call it explicitly? One reason is that you need a reference to the Matcher object so you can use its methods, like...
https://stackoverflow.com/ques... 

How to keep a Python script output window open?

...w. Add code to wait at the end of your script. For Python2, adding ... raw_input() ... at the end of the script makes it wait for the Enter key. That method is annoying because you have to modify the script, and have to remember removing it when you're done. Specially annoying when testing other ...
https://stackoverflow.com/ques... 

Environment variable to control java.io.tmpdir?

...s. On Windows, OpenJDK's get_temp_directory() function makes a Win32 API call to GetTempPath(); this is how on Windows, Java reflects the value of the TMP environment variable. On Linux and Solaris, the same get_temp_directory() functions return a static value of /tmp/. I don't know if the actual...
https://stackoverflow.com/ques... 

How to remove the first and the last character of a string

... Here you go var yourString = "/installers/"; var result = yourString.substring(1, yourString.length-1); console.log(result); Or you can use .slice as suggested by Ankit Gupta var yourString = "/installers/services/"; var result = yourString....
https://stackoverflow.com/ques... 

python design patterns [closed]

...for their existence. It's nothing more than class Null(object): def __init__(self, *args, **kwargs): "Ignore parameters." return None def __call__(self, *args, **kwargs): "Ignore method calls." return self def __getattr__(self, mname): "Ignore...