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Multiple simultaneous downloads using Wget?

I'm using wget to download website content, but wget downloads the files one by one. 15 Answers ...
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Update multiple rows in same query using PostgreSQL

I'm looking to update multiple rows in PostgreSQL in one statement. Is there a way to do something like the following? 6 An...
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Convert a char to upper case using regular expressions (EditPad Pro)

I wrote a regular expression in hope that I will be able to replace every match (that is just one char) to upper case char. I am using EditPad Pro (however I am willing to use any other tool that would allow me to do this, as long as it is free to try, since I only need to do this once). ...
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How to fallback to local stylesheet (not script) if CDN fails

I am linking to the jQuery Mobile stylesheet on a CDN and would like to fall back to my local version of the stylesheet if the CDN fails. For scripts the solution is well known: ...
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Find location of a removable SD card

Is there an universal way to find the location of an external SD card? 22 Answers 22 ...
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How do I make an HTML button not reload the page

I have a button ( <input type="submit"> ). When it is clicked the page reloads. Since I have some jQuery hide() functions that are called on page load, this causes these elements to be hidden again. How do I make the button do nothing, so I can still add some action that occurs when the butt...
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iOS 7 parallax effect in my view controller

I'm developing an app for iOS 7 in Objective-C. I've got a screen in my app with a few buttons and a pretty background image. (It's a simple xib with UIButtons on top of a UIImageView .) ...
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Python constructors and __init__

Why are constructors indeed called "Constructors"? What is their purpose and how are they different from methods in a class? ...
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jQuery: Selecting by class and input type

I would like to select a set of elements that are both of a certain input type (say, a checkbox) and have a certain class using jQuery. However, when I try the following: ...
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How can I generate an MD5 hash?

Is there any method to generate MD5 hash of a string in Java? 34 Answers 34 ...