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How do I get the difference between two Dates in JavaScript?
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In JavaScript, dates can be transformed to the number of milliseconds since the epoc by calling the getTime() method or just using the date in a numeric expression.
So to get the difference, just subtract the two dates.
To create a new date based on the di...
How to use index in select statement?
...ax:
SELECT *
FROM Table WITH(INDEX(Index_Name))
The WITH statement will force the index to be used.
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Best way to generate random file names in Python
...te temporary file names, see http://docs.python.org/library/tempfile.html. For instance:
In [4]: import tempfile
Each call to tempfile.NamedTemporaryFile() results in a different temp file, and its name can be accessed with the .name attribute, e.g.:
In [5]: tf = tempfile.NamedTemporaryFile()
In...
Responsively change div size keeping aspect ratio [duplicate]
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You, sir, have won the Internet. This is huge, especially for background images on responsive designs. Thank you!
– Vidal Quevedo
Oct 11 '13 at 23:27
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How to start an application using android ADB tools?
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Command is used to run app using monkey tool which generates random input for application. The last part of command is integer which specify the number of generated random input for app. In this case the number is 1, which in fact is used to launch the app (icon click).
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Create a CSV File for a user in PHP
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note the rules for CSVs are important. To ensure good display, put doublequotes around your fields, and don't forget to replace double-quotes inside fields to double double-quotes: `echo '"'.str_replace('"','""',$record1).'","'.str_replace...
'Microsoft.SqlServer.Types' version 10 or higher could not be found on Azure
...qlServer.Types
PM> Install-Package Microsoft.SqlServer.Types
Link for more info
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Daemon Threads Explanation
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Some threads do background tasks, like sending keepalive packets, or performing periodic garbage collection, or whatever. These are only useful when the main program is running, and it's okay to kill them off once the other, non-daemon, threads have exited.
Without daemon threads, you'd have to ...
Why is there no Convert.toFloat() method?
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There is - but it's called Convert.ToSingle(). float is a C# alias for the System.Single type.
"Single" is the name for a float in the BCL. "float" is an alias provided by C#. There's a Convert.ToSingle() method, just like there's
Convert.ToInt32() instead of Convert.ToInt().
See this thre...
Check whether HTML element has scrollbars
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I found this somewhere a couple of weeks ago. It worked for me.
var div = document.getElementById('container_div_id');
var hasHorizontalScrollbar = div.scrollWidth > div.clientWidth;
var hasVerticalScrollbar = div.scrollHeight > div.clientHeight;
/* you'll get true/false ...