大约有 31,840 项符合查询结果(耗时:0.0460秒) [XML]
PostgreSQL create table if not exists
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@comiventor correct, this one does how ever show that the parameter usage is.The leading answer i did not spot that until i saw this one. This does help a bit.
– Angry 84
Mar 16 '18 at 9:32
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How can I format a number into a string with leading zeros?
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Since nobody has yet mentioned this, if you are using C# version 6 or above (i.e. Visual Studio 2015) then you can use string interpolation to simplify your code. So instead of using string.Format(...), you can just do this:
Key = $"{i:D2}";
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Is there an opposite of include? for Ruby Arrays?
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readable for one statement. if many then better use negate ! or add your own method to ruby array class.
– Renars Sirotins
May 26 '14 at 12:17
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Escaping ampersand character in SQL string
...ce that you'll find some other record too, which is different in only this one character, is quite low.
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How many files can I put in a directory?
... Interesting read! Can I ask in what situation you had 8 millions files in one directory? haha
– Aᴄʜᴇʀᴏɴғᴀɪʟ
Aug 3 '16 at 10:52
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Long-lasting FB access-token for server to pull FB page info
...e_pages permission
Convert this short-lived access token into a long-lived one by making this Graph API call:
https://graph.facebook.com/oauth/access_token?client_id=<your FB App ID >&client_secret=<your FB App secret>&grant_type=fb_exchange_token&fb_exchange_token=<your s...
Toggle Checkboxes on/off
... This can get tangly as it bases the status off of the first one (so if the user checks the first one, then uses the toggle, they'll get out of sync). Slightly tweaked so it bases the status off of the toggle, not the first checkbox in the list: $("input[name=recipients\[\]]").prop("c...
How to keep the console window open in Visual C++?
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For anyone who cannot get this solution to work in a makefile project, this is due to a bug in Visual Studio. I've just posted an answer with the fix.
– JBentley
Apr 25 '14 at 10:28
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In Javascript/jQuery what does (e) mean?
... @SelvakumarArumugam So I'm not so sure they are the same thing. It seems one returns w.Event and the other returns MouseEvent. For the example above I think they are similar enough, but in the case of $(document).on('click', '.btn', e=> { console.log(e); console.log(event)}); the two are diffe...
Insert string at specified position
...n. The following is my version of the stringInsert function requiring only one parameter.
function stringInsert($str,$insertstr,$pos)
{
$str = substr($str, 0, $pos) . $insertstr . substr($str, $pos);
return $str;
}
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