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Convert varchar to uniqueidentifier in SQL Server
...'
SELECT CAST(
SUBSTRING(@uuid, 1, 8) + '-' + SUBSTRING(@uuid, 9, 4) + '-' + SUBSTRING(@uuid, 13, 4) + '-' +
SUBSTRING(@uuid, 17, 4) + '-' + SUBSTRING(@uuid, 21, 12)
AS UNIQUEIDENTIFIER)
share
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Determine version of Entity Framework I am using?
...are two versions 1 and 2? And version 2 is referred to as Entity Framework 4.0?
10 Answers
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How can I wrap or break long text/word in a fixed width span?
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edited Sep 17 '14 at 8:35
answered Aug 14 '13 at 7:10
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.rar, .zip files MIME Type
..._contents($file, FALSE, NULL, 0, 7);
$ext = strtolower(substr($file, - 4));
// RAR magic number: Rar!\x1A\x07\x00
// http://en.wikipedia.org/wiki/RAR
if ($ext == '.rar' and bin2hex($bytes) == '526172211a0700') {
return TRUE;
}
// ZIP magic number: none, though PK\00...
Wait for all promises to resolve
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edited Nov 4 '15 at 16:24
Daniel Kmak
15.5k77 gold badges5959 silver badges8282 bronze badges
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Incompatible implicit declaration of built-in function ‘malloc’
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342
You likely forgot to include <stdlib.h>.
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RESTful API methods; HEAD & OPTIONS
...quest, then the forwarded request MUST NOT include a Max-Forwards field.
9.4 HEAD
The HEAD method is identical to GET except that the server MUST NOT return a message-body in the response. The metainformation contained in the HTTP headers in response to a HEAD request SHOULD be identical to the info...
What are the differences between -std=c++11 and -std=gnu++11?
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edited Aug 27 '18 at 22:40
answered May 16 '12 at 6:51
da...
Require returns an empty object
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answered May 26 '14 at 17:42
B TB T
43.1k3131 gold badges155155 silver badges182182 bronze badges
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extract part of a string using bash/cut/split
...ition using numbers:
${MYVAR:3} # Remove the first three chars (leaving 4..end)
${MYVAR::3} # Return the first three characters
${MYVAR:3:5} # The next five characters after removing the first 3 (chars 4-9)
You can also replace particular strings or patterns using:
${MYVAR/search/replace}
T...