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How to use sed to remove the last n lines of a file
...states: The application shall ensure that the number option-argument is a positive decimal integer.
– William Pursell
Nov 14 '12 at 15:51
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How to convert a selection to lowercase or uppercase in Sublime Text
...eral strings selected in a file in Sublime Text and I want to convert them all to lowercase.
5 Answers
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Javascript: How to detect if browser window is scrolled to bottom?
... bottom of the page, when I add new content to the bottom, I will automatically scroll them to the new bottom. If they are not at the bottom, they are reading previous content higher on the page, so I don't want to auto-scroll them since they want to stay where they are.
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What to use instead of “addPreferencesFromResource” in a PreferenceActivity?
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Still you need to call addPreferencesFromResource(int PreferencesID) if you want the app to be backwards compatible with api level erlier than 11 (Android 3.0). But I guess you could consider those old devices derecated as well.
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Is Tomcat running?
...could also use wget to check the health of your tomcat. If you have a diagnostics page with user load etc, you could fetch it periodically and parse it to determine if anything is going wrong.
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MVC DateTime binding with incorrect date format
Asp.net-MVC now allows for implicit binding of DateTime objects. I have an action along the lines of
10 Answers
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Which version of C# am I using
... does not tell you the right version number - on my PC, .NET 4.6 RC is installed but Assembly.ImageRuntimeVersion reports v4.0.30319
– Matt
Jul 14 '15 at 10:55
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How to change to an older version of Node.js
...nvm
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash
You can find it at https://github.com/creationix/nvm
It allows you to easily install and manage multiple versions of node. Here's a snippet from the help:
Usage:
nvm install <version> Download a...
Mac OSX Lion DNS lookup order [closed]
... that file very light.
One advantage of running something like dnsmasq locally (besides the significant performance boost) is that you can redirect whole top-level domains back to your local machine. This allows you to have the whole *.dev namespace for development (for instance), without having to...
How to convert a string to an integer in JavaScript?
... and you want an integer:
var x = Math.floor("1000.01"); //floor automatically converts string to number
or, if you're going to be using Math.floor several times:
var floor = Math.floor;
var x = floor("1000.01");
If you're the type who forgets to put the radix in when you call parseInt, you ca...