大约有 40,000 项符合查询结果(耗时:0.0539秒) [XML]

https://stackoverflow.com/ques... 

Blocks on Swift (animateWithDuration:animations:completion:)

... dat completion block syntax :( – Chris Allinson Sep 25 '16 at 0:19 add a comment  |  ...
https://stackoverflow.com/ques... 

Fastest way to get the first object from a queryset in django?

...eturn None if there aren't any. There are lots of ways to do this which all work. But I'm wondering which is the most performant. ...
https://stackoverflow.com/ques... 

Setting onClickListener for the Drawable right of an EditText [duplicate]

... y = actionY; /** Creates square from the smallest value */ if (x < y) { y = x; } } if (bounds.contains(x, y) && clickListener != null) { cli...
https://stackoverflow.com/ques... 

How can I give eclipse more memory than 512M?

I have following setup, but when I put 1024 and replace all 512 with 1024, then eclipse won't start at all. How can I have more than 512M memory for my eclipse JVM? ...
https://stackoverflow.com/ques... 

Fastest way to flatten / un-flatten nested JSON objects

...ltholder; }; flatten hasn't changed much (and I'm not sure whether you really need those isEmpty cases): Object.flatten = function(data) { var result = {}; function recurse (cur, prop) { if (Object(cur) !== cur) { result[prop] = cur; } else if (Array.isArray(cu...
https://stackoverflow.com/ques... 

How do I run all Python unit tests in a directory?

...it test module is of the form test_*.py . I am attempting to make a file called all_test.py that will, you guessed it, run all files in the aforementioned test form and return the result. I have tried two methods so far; both have failed. I will show the two methods, and I hope someone out there ...
https://stackoverflow.com/ques... 

C/C++ with GCC: Statically add resource files to executable/library

Does anybody have an idea how to statically compile any resource file right into the executable or the shared library file using GCC? ...
https://stackoverflow.com/ques... 

How do I save and restore multiple variables in python?

...icense" for more information. >>> from klepto.archives import file_archive >>> db = file_archive('foo.txt') >>> db['1'] = 1 >>> db['max'] = max >>> squared = lambda x: x**2 >>> db['squared'] = squared >>> def add(x,y): ... return x+y ....
https://stackoverflow.com/ques... 

How to combine two or more querysets in a Django view?

...sets into a list is the simplest approach. If the database will be hit for all querysets anyway (e.g. because the result needs to be sorted), this won't add further cost. from itertools import chain result_list = list(chain(page_list, article_list, post_list)) Using itertools.chain is faster than...
https://stackoverflow.com/ques... 

How to check if a value exists in a dictionary (python)

... it wasn't necesarry after all, unless run on bigger dict. I guess overhead in values() is caused by copying the value list and in viewvalues() by maintaining the view alive. – soulcheck Nov 21 '11 at 17:12 ...