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How can I determine if a variable is 'undefined' or 'null'?
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Like Operator in Entity Framework?
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Henry Woody
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answered Jul 7 '12 at 2:30
Yann DuranYann Duran
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How to disable GCC warnings for a few lines of code
...ine the version of GCC that it was added, but it was sometime before June 2010.
Here's an example:
#pragma GCC diagnostic error "-Wuninitialized"
foo(a); /* error is given for this one */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wuninitialized"
foo(b); /...
C# generic type constraint for everything nullable
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answered Nov 7 '13 at 9:02
Matthew WatsonMatthew Watson
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How to check if DST (Daylight Saving Time) is in effect, and if so, the offset?
... Los Angeles is UTC–8h Standard, UTC-7h DST. getTimezoneOffset returns 480 (positive 480 minutes) in December (winter, Standard Time), rather than -480. It returns negative numbers for the Eastern Hemisphere (such -600 for Sydney in winter, despite this being "ahead" (UTC+10h).
Date.prototype.st...
How to get disk capacity and free space of remote computer
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140
$disk = Get-WmiObject Win32_LogicalDisk -ComputerName remotecomputer -Filter "DeviceID='C:'" |
S...
How to generate a simple popup using jQuery
... like:
a.selected {
background-color:#1F75CC;
color:white;
z-index:100;
}
.messagepop {
background-color:#FFFFFF;
border:1px solid #999999;
cursor:default;
display:none;
margin-top: 15px;
position:absolute;
text-align:left;
width:394px;
z-index:50;
padding: 25px 25px 20px...
“var” or no “var” in JavaScript's “for-in” loop?
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104
Use var, it reduces the scope of the variable otherwise the variable looks up to the nearest cl...
ListView inside ScrollView is not scrolling on Android
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answered Jun 2 '11 at 6:40
MichaelMichael
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