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Scala @ operator
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180
It enables one to bind a matched pattern to a variable. Consider the following, for instance:
v...
What are '$$' used for in PL/pgSQL
...randstetterErwin Brandstetter
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1
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git diff file against its last change
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edited Jan 23 '18 at 20:54
answered Mar 14 '14 at 17:47
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Change default timeout for mocha
...line arguments. So you could create such a file that contains:
--timeout 5000
Whenever you run Mocha at the command line, it will read this file and set a timeout of 5 seconds by default.
Another way which may be better depending on your situation is to set it like this in a top level describe c...
What's the difference between io.sockets.emit and broadcast?
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edited Dec 20 '14 at 9:28
Sobiaholic
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Get current stack trace in Ruby without raising an exception
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edited Aug 1 '19 at 19:10
Victor
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answered Jul 2...
Stretch child div height to fill parent that has dynamic height
...ng display: inline-block or float: left.
div#container {
padding: 20px;
background: #F1F1F1
}
.content {
width: 150px;
background: #ddd;
padding: 10px;
display: table-cell;
vertical-align: top;
}
.text {
font-family: 12px Tahoma, Geneva, sans-serif;
color: #555;
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C++ map access discards qualifiers (const)
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edited Jan 10 '15 at 19:46
oɔɯǝɹ
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Redefining NULL
I'm writing C code for a system where address 0x0000 is valid and contains port I/O. Therefore, any possible bugs that access a NULL pointer will remain undetected and at the same time cause dangerous behaviour.
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SQL order string as number
...h forces a conversion to number
select col from yourtable
order by col + 0
BTW MySQL converts strings from left to right. Examples:
string value | integer value after conversion
--------------+--------------------------------
'1' | 1
'ABC' | 0 /* the string does not cont...