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In Jinja2, how do you test if a variable is undefined?
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32
{% if variable is defined %} is true if the variable is None.
Since not is None is not allowe...
How to search DOM elements using XPath or CSS selectors in Chrome Developer Tools?
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It works with Chrome 32. Go to Element tab of the devtool and press CTRL+S and search for the xpath
– eeezyy
Feb 20 '14 at 2:00
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PDO get the last ID inserted
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So perhaps this is a dumb follow up question but I just want to be certain. When I rely on lastInsertId() does it return the last inserted...
Getting image dimensions without reading the entire file
...oInt16(bytes, 0);
}
private static int ReadLittleEndianInt32(this BinaryReader binaryReader)
{
byte[] bytes = new byte[sizeof(int)];
for (int i = 0; i < sizeof(int); i += 1)
{
bytes[sizeof(int) - 1 - i] = binaryReader.Re...
How to sort a list in Scala by two fields?
...d2))
– Brent Faust
Aug 25 '17 at 23:32
@BrentFaust you can't use - with String. You should use Ordering::reverse this ...
How do I suspend painting for a control and its children?
...er a lot of googling and reflector usage I came across the WM_SETREDRAW win32 message. This really stops controls drawing whilst you update them and can be applied, IIRC to the parent/containing panel.
This is a very very simple class demonstrating how to use this message:
class DrawingControl
{
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Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
...SP1)
Registry Key: HKLM\SOFTWARE\Classes\Installer\Products\67D6ECF5CD5FBA732B8B22BAC8DE1B4D
Configuration: x64
Version: 9.0.30729.6161 (Actual $Version data in registry: 0x9007809 [DWORD])
Direct Download URL: https://download.microsoft.com/download/2/d/6/2d61c766-107b-409d-8fba-c39e61ca08e8/vcr...
Get original URL referer with PHP?
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KainaxKainax
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RegEx backreferences in IntelliJ
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bradley.ayers
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answered Sep 14 '09 at 14:14
Steve KSteve K...
How to use ? : if statements with Razor and inline code blocks
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The key is to encapsulate the expression in parentheses after the @ delimiter. You can make any...