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jQuery empty() vs remove()

What's the difference between empty() and remove() methods in jQuery , and when we call any of these methods, the objects being created will be destroyed and memory released? ...
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How do I return rows with a specific value first?

...turn the rows of the table where a column contains a specific value first, and then return the rest of the rows alphabetized. ...
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Force add despite the .gitignore file

... Well, I tested it to make sure it really works and it does. Can you describe your environemnt (OS, git version ...)? This is what I've basically done: echo "/foo" >> .gitignore; echo "bar" > foo; git add foo # should throw an error; git add -p foo # works (cannot...
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How do you make a LinearLayout scrollable?

I have lot of items on the screen and I need to use the scrollbar so the user can scroll down. However, the scroll is either not visible or it's not working. How is it possible to add a scrollbar to a LinearLayout ? ...
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Should I use the Reply-To header when sending emails as a service to others?

... You may want to consider placing the customer's name in the From header and your address in the Sender header: From: Company A <joe.bloggs@a.com> Sender: notifications@b.com Most mailers will render this as "From notifications@b.com on behalf of Company A", which is accurate. And then a...
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PowerShell: Run command from script's directory

... file next to the script? Try this: $scriptpath = $MyInvocation.MyCommand.Path $dir = Split-Path $scriptpath Write-host "My directory is $dir" You can get a lot of info from $MyInvocation and its properties. If you want to reference a file in the current working directory, you can use Resolv...
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What is the (function() { } )() construct in JavaScript?

...es immediately after it’s created. It has nothing to do with any event-handler for any events (such as document.onload). Consider the part within the first pair of parentheses: (function(){})();....it is a regular function expression. Then look at the last pair (function(){})();, this is normally...
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How do I download a tarball from GitHub using cURL?

...ertificates problems on raw.github.com? I had problems to install homebrew and rvm on a new machine. I used to copy and paste from the homepage and was working. Now I get the certificate problem: ruby -e "$(curl -fsSL raw.github.com/mxcl/homebrew/go)" curl: (60) SSL certificate problem: unable to...
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HTTP requests and JSON parsing in Python

... route from Chicago, IL to Los Angeles, CA via two waypoints in Joplin, MO and Oklahoma City, OK: 8 Answers ...
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Where does System.Diagnostics.Debug.Write output appear?

...built with csc hello.cs ) prints just Hello via Console! on the console and Hello via OutputDebugString in the DebugView window. However, I cannot see either of the System.Diagnostics.* calls. Why is that? ...