大约有 43,000 项符合查询结果（耗时：0.0466秒） [XML]
Generate random 5 characters string
... generating voucher codes. We removed confusing chars, like l, i, 1, 0, O, etc and out of 500 vouchers got no duplicates.
– Luke Cousins
Sep 16 '14 at 9:16
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Get mouse wheel events in jQuery?
... instead (e.g. check the user's position on the page every x milliseconds, etc). If there's a more performant solution out there, I definitely want to know about it!
– Jesse Dupuy
Aug 7 '14 at 23:48
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Common elements comparison between 2 lists
... I'd used frozenset as it's immutable and so can be used as dictionary key etc
– zebrabox
May 19 '10 at 11:04
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How to rename a table in SQL Server?
...ences to that table that may exist in stored procedures, views, functions, etc. A quick google can find one of the many tools that can do this for you. Or you can use a script that finds a given string in all these objects, and paste them as ALTER statements, and do a find-and-replace, then run them...
How do I put a variable inside a string?
...ed to generate a series of file names of the form 'file1.pdf', 'file2.pdf' etc. This is how it worked:
['file' + str(i) + '.pdf' for i in range(1,4)]
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Fastest way to implode an associative array with keys
...d the best way to implode an associative array but using my own seperators etc...
So I did this using PHP's array_walk() function to let me join an associative array into a list of parameters that could then be applied to a HTML tag....
// Create Params Array
$p = Array("id"=>"blar","class"=>...
Android adb not found
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On Arch linux:
Enable the "multiarch" repositories in /etc/pacman.conf
then run:
root@box#pacman -Syu
root@box#pacman -S lib32-glibc lib32-zlib lib32-libstdc++5 lib32-ncurses lib32-gcc-libs
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Remove blank lines with grep
...rt of line
[[:space:]] match whitespace- spaces, tabs, carriage returns, etc.
* previous match (whitespace) may exist from 0 to infinite times
$ match end of line
Running the code-
$ echo "
> hello
>
> ok" |
> grep -v "^[[:space:]]*$"
hello
ok
To und...
Android canvas draw rectangle
how to draw empty rectangle with etc. borderWidth=3 and borderColor=black and part within rectangle don't have content or color. Which function in Canvas to use
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Daylight saving time and time zone best practices [closed]
...e time when an international sporting event happens, or a coronation/death/etc. This is dependent on the timezone of the event and not of the viewer.
Television time: eg, a particular TV show is broadcast at 9pm local time all around the world. Important when thinking about publishing the results ...