大约有 7,000 项符合查询结果(耗时:0.0295秒) [XML]
Show the progress of a Python multiprocessing pool imap_unordered call?
...orks fine on my system (Ubuntu) with both Python 2 and 3. I've used def do_word(*a): time.sleep(.1) as an example. If it doesn't work for you then create a complete minimal code example which demonstrates your issue: describe using words what do you expect to happen and what happens instead, mention...
Is there a literal notation for an array of symbols?
...
%s[ ] Non-interpolated Symbol
%w[ ] Non-interpolated Array of words, separated by whitespace
%W[ ] Interpolated Array of words, separated by whitespace
%x[ ] Interpolated shell command
share
...
What is the difference between single and double quotes in SQL?
..., but it's not recommended practice for a column alias to be more than one word.
share
|
improve this answer
|
follow
|
...
How do you get assembler output from C/C++ source in gcc?
...syntax into the more readable nasm syntax:
#!/usr/bin/perl -w
$ptr='(BYTE|WORD|DWORD|QWORD|XMMWORD) PTR ';
$reg='(?:[er]?(?:[abcd]x|[sd]i|[sb]p)|[abcd][hl]|r1?[0-589][dwb]?|mm[0-7]|xmm1?[0-9])';
open FH, '-|', '/usr/bin/objdump', '-w', '-M', 'intel', @ARGV or die;
$prev = "";
while(<FH>){
...
How do I split a string with multiple separators in javascript?
...our RegEx means "1 or more")
This means "+" and "{1,}" are the same.
var words = text.split(/[ .:;?!~,`"&|()<>{}\[\]\r\n/\\]+/); // note ' and - are kept
share
|
improve this answer
...
Passing base64 encoded strings in URL
...lus signs are converted to a SPACE inside the $_GET global array. In other words, if you sent test.php?myVar=stringwith+sign to
//test.php
print $_GET['myVar'];
the result would be:
stringwith sign
The easy way to solve this is to simply urlencode() your base64 string before adding it to the que...
Most efficient way to concatenate strings?
...it has been proved that string.Concat() is the best way to approach if the words are less than 1000(approximately) and if the words are more than 1000 then StringBuilder should be used.
For more information, check this site.
string.Join() vs string.Concat()
The string.Concat method here i...
Check if database exists in PostgreSQL using shell
...
template0
template1
grep -w matches whole words, and so won't match if you are searching for temp in this scenario. The -q option suppresses any output written to the screen, so if you want to run this interactively at a command prompt you may with to exclude the -q ...
In C#, what is the difference between public, private, protected, and having no access modifier?
...one difference: a static class cannot be externally instantiated. In other words, you cannot use the new keyword to create a variable of the class type. Because there is no instance variable, you access the members of a static class by using the class name itself.
However, there is a such thing as a...
position: fixed doesn't work on iPad and iPhone
...page. This is how iOS works.
Now there is a sheet of clear plastic with a word on it, this sheet of plastic stays stationary no matter what (the position:fixed elements). So when you move the magnifying glass the fixed element appears to move.
Alternatively, instead of moving the magnifying glass,...
