大约有 40,000 项符合查询结果(耗时:0.0621秒) [XML]

https://stackoverflow.com/ques... 

How do I capture the output into a variable from an external process in PowerShell?

...nd cannot get it to work. Is "Shell" a powershell keyword? So we don't actually use the Start-Process cmdlet? Can you please give a concrete example please (i.e. replace "Shell" and/or "command" with a real example). – deadlydog Feb 22 '13 at 23:45 ...
https://stackoverflow.com/ques... 

How can I convert an RGB image into grayscale in Python?

... SciPy's image I/O is literally PIL/Pillow. Hence, testing SciPy is effectively retesting PIL/Pillow with negligible overhead introduced by SciPy's wrapper functions. It would have been much more useful to substitute OpenCV (which does not leverage PIL...
https://stackoverflow.com/ques... 

How do I install from a local cache with pip?

I install a lot of the same packages in different virtualenv environments. Is there a way that I can download a package once and then have pip install from a local cache? ...
https://stackoverflow.com/ques... 

How to colorize diff on the command line?

...n for (I want grep --color-like diff output). – i336_ Jul 15 '17 at 4:36 @i336_ no updates unfortunately, if I get an...
https://stackoverflow.com/ques... 

PHP global in functions

...ngletons, registries, constants). You do not want to use them. A function call should not have to rely on anything outside, e.g. function fn() { global $foo; // never ever use that $a = SOME_CONSTANT // do not use that $b = Foo::SOME_CONSTANT; // do not use that unl...
https://stackoverflow.com/ques... 

Close and Dispose - which to call?

...and Dispose in the case of SqlConnectionObject is: An application can call Close more than one time. No exception is generated. If you called Dispose method SqlConnection object state will be reset. If you try to call any method on disposed SqlConnection object, you will receive...
https://stackoverflow.com/ques... 

How do you check whether a number is divisible by another number (Python)?

... @Chris_Rands Put that into an answer, people who do code-golf (like me) would be very happy. In fact, I came here looking for a golfed answer like that. – MilkyWay90 Nov 11 '18 at 22:29 ...
https://stackoverflow.com/ques... 

How to spyOn a value property (rather than a method) with Jasmine

...ue as needed. const spy = spyOnProperty(myObj, 'myGetterName', 'get').and.callThrough(); // Call the real thing. Here's the line in the github source code where this method is available if you are interested. https://github.com/jasmine/jasmine/blob/7f8f2b5e7a7af70d7f6b629331eb6fe0a7cb9279/src/cor...
https://stackoverflow.com/ques... 

Detect if Android device has Internet connection

...onseCode() == 200); } catch (IOException e) { Log.e(LOG_TAG, "Error checking internet connection", e); } } else { Log.d(LOG_TAG, "No network available!"); } return false; } Of course you can substitute the http://www.google.com URL for any other serv...
https://stackoverflow.com/ques... 

PHP/MySQL insert row then get 'id'

...ithin its own isolated session, which is where the ID comes from when you call mysql_insert_id() from your PHP (or LAST_INSERT_ID() in MySQL) – rodrigo-silveira Sep 26 '12 at 18:22 ...