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How can I detect if a selector returns null?
...See my answer porting Rails' presence method.
– Marc-André Lafortune
Feb 26 '13 at 22:22
5
If yo...
Convert datetime object to a String of date only in Python
...
date and datetime objects (and time as well) support a mini-language to specify output, and there are two ways to access it:
direct method call: dt.strftime('format here'); and
new format method: '{:format here}'.format(dt)
So...
Install a Windows service using a Windows command prompt?
I want to install a Windows service using a Windows command prompt (not the Visual Studio command prompt).
18 Answers
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How to retrieve the LoaderException property?
...th my code. I've placed a try...catch around my entire Installer.cs class, and nothing! My code does not throw this when it runs, only when I try to execute the Installer. Does anyone know How to Retrieve the LoaderExceptions property for more information? Like, browse to a folder and view a log fil...
Set encoding and fileencoding to utf-8 in Vim
What is the difference between these two commands?
3 Answers
3
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MySql Table Insert if not exist otherwise update
... description bugs.mysql.com/bug.php?id=58637
– broadband
Sep 2 '14 at 13:28
1
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How to define object in array in Mongoose schema correctly with 2d geo index
...ay , "default" : [] }
In the second case during insertion make the object and push it into the array like
db.update({'Searching criteria goes here'},
{
$push : {
trk : {
"lat": 50.3293714,
"lng": 6.9389939
} //inserted data is the object to be inserted
...
Controlling mouse with Python
...s one control the mouse cursor in Python, i.e. move it to certain position and click, under Windows?
14 Answers
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Which browsers support ?
..., allowing them to load async with a "hack" (although a pretty solid one), and also allows rendering the page without waiting for ga.js to be retrieved.
The second part only affects compatible browsers that understand the async html attribute
FF 3.6+
FF for Android All Versions
IE 10+ ...
How to make grep only match if the entire line matches?
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Both anchors (^ and $) are needed.
– user562374
Jan 18 '11 at 6:00
2
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