大约有 40,000 项符合查询结果(耗时:0.0653秒) [XML]

https://stackoverflow.com/ques... 

Find unique rows in numpy.array

...e((np.void, a.dtype.itemsize * a.shape[1]))) ? – Akavall Jun 7 '13 at 0:28 3 @Akavall It is creat...
https://stackoverflow.com/ques... 

How to get the current directory in a C program?

...been looking at opendir() and telldir() , but telldir() returns a off_t (long int) , so it really doesn't help me. 6...
https://stackoverflow.com/ques... 

How to print an exception in Python?

...rint the exception, it is better to use print(repr(e)); the base Exception.__str__ implementation only returns the exception message, not the type. Or, use the traceback module, which has methods for printing the current exception, formatted, or the full traceback. – Martijn Pi...
https://stackoverflow.com/ques... 

Regex Pattern to Match, Excluding when… / Except between

...awkward solutions. So your question about multiple contexts is a special challenge. Surprise Surprisingly, there is at least one efficient solution that is general, easy to implement and a pleasure to maintain. It works with all regex flavors that allow you to inspect capture groups in your code. ...
https://stackoverflow.com/ques... 

A non well formed numeric value encountered

...atetime description into a Unix timestamp (integer): date("d", strtotime($_GET['start_date'])); share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

c#: getter/setter

...ate the equivalent of the following simple implementation: private string _type; public string Type { get { return _type; } set { _type = value; } } share | improve this answer |...
https://stackoverflow.com/ques... 

Log4net rolling daily filename with date in the file name

... If I recall correctly, it went like this. On startup, log4net would generate the first filename in the rolling sequence. It would detect that that file already exist and would then decide to roll to the second file, but when that one...
https://stackoverflow.com/ques... 

Pick any kind of file via an Intent in Android

...for camera but for other files.. In my device I have ES File Explorer installed and This simply thing works in my case.. Intent intent = new Intent(Intent.ACTION_GET_CONTENT); intent.setType("file/*"); startActivityForResult(intent, PICKFILE_REQUEST_CODE); ...
https://stackoverflow.com/ques... 

Undefined symbols for architecture armv7

... header and do not link against the correct library. This is common, especially for headers for libraries like QuartzCore since it is not included in projects by default. To resolve: Add the correct libraries in the Link Binary With Libraries section of the Build Phases. If you want to add a libra...
https://stackoverflow.com/ques... 

What's the difference between eval, exec, and compile?

... The short answer, or TL;DR Basically, eval is used to evaluate a single dynamically generated Python expression, and exec is used to execute dynamically generated Python code only for its side effects. eval and exec have these two differences: eval accep...