大约有 40,000 项符合查询结果(耗时:0.0631秒) [XML]

https://stackoverflow.com/ques... 

Installing specific package versions with pip

I'm trying to install version 1.2.2 of the MySQL_python adaptor, using a fresh virtualenv created with the --no-site-packages option. The current version shown in PyPi is 1.2.3 . Is there a way to install the older version? I found an article stating that this should do it: ...
https://stackoverflow.com/ques... 

UICollectionView's cellForItemAtIndexPath is not being called

...ctionView cellForItemAtIndexPath:(NSIndexPath *)indexPath was not being called was because of the itemSize for the collectionViewFlowLayout's height was too big. [self.myCollectionViewFlowLayout setItemSize:CGSizeMake(320, 548)]; If I change the height to 410, it will execute cellForItemAtIndex...
https://stackoverflow.com/ques... 

PHP expects T_PAAMAYIM_NEKUDOTAYIM?

... Not really. Test this var_dump(empty(TRUE)) – machineaddict Jun 5 '14 at 13:12 1 ...
https://stackoverflow.com/ques... 

MySQL: #126 - Incorrect key file for table

... a ramdisk configured. You can temporarily comment out the ramdisk line to allow such operations if you can't increase the size of it. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Click button copy to clipboard using jQuery

...ard in most browsers because most browsers have the ability to programmatically copy a selection of text to the clipboard using document.execCommand("copy") that works off a selection. As with some other actions in a browser (like opening a new window), the copy to clipboard can only be done via a ...
https://stackoverflow.com/ques... 

TypeError: ObjectId('') is not JSON serializable

... Pymongo provides json_util - you can use that one instead to handle BSON types share | improve this answer | follow ...
https://stackoverflow.com/ques... 

How can I get form data with JavaScript/jQuery?

... Nvm, found it in the comments for the serialize() function. It's called serializeArray. It returns an array of arrays (which contain an entry "name" and "value") but that should be easy enough to transform. – Bart van Heukelom Feb 16 '10 at 21:33 ...
https://stackoverflow.com/ques... 

PHP exec() vs system() vs passthru()

... They have slightly different purposes. exec() is for calling a system command, and perhaps dealing with the output yourself. system() is for executing a system command and immediately displaying the output - presumably text. passthru() is for executing a system command which...
https://stackoverflow.com/ques... 

reformat in vim for a nice column layout

...ion for this. Locate to the longest word and place cursor after it. Remove all the extra whitespace using dw and vertical movement. Example of this technique demonstrated below: I don't find myself needing to align things often enough to install another plugin, so this was my preferred way of a...
https://stackoverflow.com/ques... 

Unbalanced calls to begin/end appearance transitions for

...e not-suitable (like during initialization) procedure finishes, by doing: __weak MyViewController *weakSelf = self; dispatch_async(dispatch_get_main_queue(), ^{ [weakSelf presentViewController:vc animated:YES]; }); This is general for also pushViewController:animated:, etc. ...