大约有 47,000 项符合查询结果(耗时:0.0299秒) [XML]

https://stackoverflow.com/ques... 

How to iterate through two lists in parallel?

... Python 3 for f, b in zip(foo, bar): print(f, b) zip stops when the shorter of foo or bar stops. In Python 3, zip returns an iterator of tuples, like itertools.izip in Python2. To get a list of tuples, use list(zip(foo, bar)). ...
https://stackoverflow.com/ques... 

NSLog the method name with Objective-C in iPhone

... since Apple could change it in an OS update. – Nick Forge May 5 '10 at 8:06 5 Yes, NSStringFromS...
https://stackoverflow.com/ques... 

How to print a int64_t type in C

... For int64_t type: #include <inttypes.h> int64_t t; printf("%" PRId64 "\n", t); for uint64_t type: #include <inttypes.h> uint64_t t; printf("%" PRIu64 "\n", t); you can also use PRIx64 to print in hexadecimal...
https://stackoverflow.com/ques... 

What does __FILE__ mean in Ruby?

... your require statements are at the top of your definitions (or at least before any calls to Dir.chdir), this value will continue to be useful after changing directories. $MY_FILE_PATH = File.expand_path(File.dirname(__FILE__)) # open class and do some stuff that changes directory puts $MY_FILE_P...
https://stackoverflow.com/ques... 

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

... The __COUNTER__ macro didn't work for me in gcc; although the __LINE__ one did work as advertised. – Tyler Sep 30 '11 at 0:27 ...
https://stackoverflow.com/ques... 

Checking if an instance's class implements an interface?

...xtension. See: http://php.net/manual/en/function.class-implements.php Performance Tests Some simple performance tests show the costs of each approach: Given an instance of an object Object construction outside the loop (100,000 iterations) ____________________________________________ | class_...
https://stackoverflow.com/ques... 

Relationship between SciPy and NumPy

...pe is different than the input data-type in certain domains of the input. For example, for functions like log() with branch cuts, the versions in this module provide the mathematically valid answers in the complex plane: >>> import math >>> from numpy.lib import scimath >>&...
https://stackoverflow.com/ques... 

How to ignore user's time zone and force Date() use specific time zone

...in GMT, but .toString() method shows the local time. Big note, UTC stands for Universal time code. The current time right now in 2 different places is the same UTC, but the output can be formatted differently. What we need here is some formatting var _date = new Date(1270544790922); // outputs &...
https://stackoverflow.com/ques... 

What do I use for a max-heap implementation in Python?

Python includes the heapq module for min-heaps, but I need a max heap. What should I use for a max-heap implementation in Python? ...
https://stackoverflow.com/ques... 

relative path in require_once doesn't work

...vent cases where you can run a PHP script from a different folder and therefore the relatives paths will not work. Edit: slash problem fixed share | improve this answer | fo...