大约有 47,000 项符合查询结果(耗时:0.0601秒) [XML]

https://stackoverflow.com/ques... 

Why is string concatenation faster than array join?

...ring concatenation. Beginning with version 1.0, the array technique is actually slower than using the plus operator in all cases. Other browsers have also optimized string concatenation, so Safari, Opera, Chrome, and Internet Explorer 8 also show better performance using the plus operator. Internet ...
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... 

Eclipse Kepler for OS X Mavericks request Java SE 6

I have just made a clean installation of OS X Mavericks , and I have downloaded Eclipse Kepler , but if I execute it, gives me this message: ...
https://stackoverflow.com/ques... 

What are all possible pos tags of NLTK?

How do I find a list with all possible pos tags used by the Natural Language Toolkit (nltk)? 8 Answers ...
https://stackoverflow.com/ques... 

How can I use pickle to save a dict?

...ickle', 'wb') as handle: pickle.dump(a, handle, protocol=pickle.HIGHEST_PROTOCOL) with open('filename.pickle', 'rb') as handle: b = pickle.load(handle) print a == b share | improve this a...
https://stackoverflow.com/ques... 

How can I mock dependencies for unit testing in RequireJS?

...'log'); yourModule.foo(); expect(console.log).toHasBeenCalledWith('hurp'); }) }); }); })(); So I'm using this approach in production for a while and its really robust. share | ...
https://stackoverflow.com/ques... 

How do you get assembler output from C/C++ source in gcc?

.... The output file can be still be set by using the -o option. gcc -S -o my_asm_output.s helloworld.c Of course this only works if you have the original source. An alternative if you only have the resultant object file is to use objdump, by setting the --disassemble option (or -d for the abbreviat...
https://stackoverflow.com/ques... 

Check if a JavaScript string is a URL

...{1,3}\\.){3}\\d{1,3}))'+ // OR ip (v4) address '(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*'+ // port and path '(\\?[;&a-z\\d%_.~+=-]*)?'+ // query string '(\\#[-a-z\\d_]*)?$','i'); // fragment locator return !!pattern.test(str); } ...
https://stackoverflow.com/ques... 

How to measure time taken between lines of code in python?

... If you want to measure CPU time, can use time.process_time() for Python 3.3 and above: import time start = time.process_time() # your code here print(time.process_time() - start) First call turns the timer on, and second call tells you how many seconds have elapsed. The...
https://stackoverflow.com/ques... 

Can I set max_retries for requests.request?

..., predating the release of requests 1.2.1: The requests library doesn't really make this configurable, nor does it intend to (see this pull request). Currently (requests 1.1), the retries count is set to 0. If you really want to set it to a higher value, you'll have to set this globally: import re...