大约有 46,000 项符合查询结果（耗时：0.0691秒） [XML]
Make copy of an array
...Let's say a = [1,2,3,4,5] . I need to make an exact duplicate copy of a and call it b . If a were to change to [6,7,8,9,10] , b should still be [1,2,3,4,5] . What is the best way to do this? I tried a for loop like:
...
How to create PDF files in Python [closed]
I'm working on a project which takes some images from user and then creates a PDF file which contains all of these images.
...
Is there any way to delete local commits in Mercurial?
...ake in Mercurial. Often times, I'll start work without doing an "hg pull" and an "hg update." When I try to push my changes, I get an error.
...
Stopping python using ctrl+c
I have a python script that uses threads and makes lots of HTTP requests. I think what's happening is that while a HTTP request (using urllib2) is reading, it's blocking and not responding to Ctrl C to stop the program. Is there any way around this?
...
HashMap with multiple values under the same key
Is it possible for us to implement a HashMap with one key and two values. Just as HashMap?
22 Answers
...
Why shouldn't `'` be used to escape single quotes?
As stated in, When did single quotes in HTML become so popular? and Jquery embedded quote in attribute , the Wikipedia entry on HTML says the following:
...
Parse query string into an array
...
You want the parse_str function, and you need to set the second parameter to have the data put in an array instead of into individual variables.
$get_string = "pg_id=2&parent_id=2&document&video";
parse_str($get_string, $get_array);
print_r($g...
Regular expression to search for Gadaffi
...
Arabic transcription is (Wiki says) "Qaḏḏāfī", so maybe adding a Q. And one H ("Gadhafi", as the article (see below) mentions).
Btw, why is there a $ at the end of the regex?
Btw, nice article on the topic:
Gaddafi, Kadafi, or Qaddafi? Why is the Libyan leader’s name spelled so many di...
How does this program work?
...er. The default argument promotions are performed on trailing arguments.
and from 6.5.2.2/6,
If the expression that denotes the called function has a type that does not include a prototype, the integer promotions are performed on each argument, and arguments that have type float are promoted t...
Why wasn't PyPy included in standard Python?
I was looking at PyPy and I was just wondering why it hasn't been adopted into the mainline Python distributions. Wouldn't things like JIT compilation and lower memory footprint greatly improve the speeds of all Python code?
...