大约有 13,700 项符合查询结果(耗时:0.0367秒) [XML]

https://stackoverflow.com/ques... 

How can I reference a commit in an issue comment on GitHub?

...linator/commit/f36e3c5b3aba23a6c9cf7c01e7485028a23c3811 \_____/\________/ \_______________________________________/ | | | Account name | Hash of revision Project...
https://stackoverflow.com/ques... 

StringBuilder vs String concatenation in toString() in Java

...tes that this is optional. In fact, I just did a simple test with JRE 1.6.0_15 and I didn't see any compiler optimization in the decompiled class. – bruno conde Oct 7 '09 at 16:07 ...
https://stackoverflow.com/ques... 

Creating C macro with ## and __LINE__ (token concatenation with positioning macro)

...PASTE2(x, y) TOKENPASTE(x, y) #define UNIQUE static void TOKENPASTE2(Unique_, __LINE__)(void) {} Then, __LINE__ gets expanded to the line number during the expansion of UNIQUE (since it's not involved with either # or ##), and then the token pasting happens during the expansion of TOKENPASTE. It ...
https://stackoverflow.com/ques... 

relative path in require_once doesn't work

... Use __DIR__ to get the current path of the script and this should fix your problem. So: require_once(__DIR__.'/../class/user.php'); This will prevent cases where you can run a PHP script from a different folder and therefo...
https://stackoverflow.com/ques... 

Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR

...r using it inside the block should be ok, but it still shows the warning. __block ASIHTTPRequest *request = [[ASIHTTPRequest alloc] initWithURL:... [request setCompletionBlock:^{ NSDictionary *jsonDictionary = [[CJSONDeserializer deserializer] deserialize:request.responseData error:nil]; r...
https://stackoverflow.com/ques... 

What's the difference between globals(), locals(), and vars()?

... the same dict each time - it's attached to the stack frame object as its f_locals attribute. The dict's contents are updated on each locals() call and each f_locals attribute access, but only on such calls or attribute accesses. It does not automatically update when variables are assigned, and assi...
https://stackoverflow.com/ques... 

Python module for converting PDF to text [closed]

...ed with the following: >>> import pdfminer >>> pdfminer.__version__ '20100213' Here's the updated version (with comments on what I changed/added): def pdf_to_csv(filename): from cStringIO import StringIO #<-- added so you can copy/paste this to try it from pdfminer....
https://stackoverflow.com/ques... 

$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'

Some guy called one of my Snipplr submissions "crap" because I used if ($_SERVER['REQUEST_METHOD'] == 'POST') instead of if ($_POST) ...
https://stackoverflow.com/ques... 

How to pretty-print a numpy.array without scientific notation and with given precision?

... You can use set_printoptions to set the precision of the output: import numpy as np x=np.random.random(10) print(x) # [ 0.07837821 0.48002108 0.41274116 0.82993414 0.77610352 0.1023732 # 0.51303098 0.4617183 0.33487207 0.7116209...
https://stackoverflow.com/ques... 

How to watch for array changes?

...ods or the length property). function ObservableArray(items) { var _self = this, _array = [], _handlers = { itemadded: [], itemremoved: [], itemset: [] }; function defineIndexProperty(index) { if (!(index in _self)) { Object.defineProperty...