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How to select a CRAN mirror in R

...swered Jul 14 '12 at 23:38 betabandidobetabandido 16k1010 gold badges5151 silver badges6565 bronze badges ...
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Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE

I am currently trying to compile and test a small Android Application. 15 Answers 15 ...
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How to insert a row in an HTML table body in JavaScript

I have an HTML table with a header and a footer: 9 Answers 9 ...
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What is the 'cls' variable used for in Python classes?

... The distinction between "self" and "cls" is defined in PEP 8 . As Adrien said, this is not a mandatory. It's a coding style. PEP 8 says: Function and method arguments: Always use self for the first argument to instance methods. Always use cls for the firs...
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Java Date cut off time information

I have a Java Date object containing date and time information. I want to write a method that cuts off the time information, truncates the hours-minutes-seconds, so I only have the date left. ...
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How to erase the file contents of text file in Python?

... #include<fstream> and then std::ofstream("file.txt"); about as short as in Python. :) – wilhelmtell May 4 '10 at 21:44 8 ...
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How can I listen to the form submit event in javascript?

I wanna write my own form validation javascript library and I've been looking on google how to detect if a submit button is clicked but all I found is code where you have to use onClick on onSubmit="function()" in html. ...
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glob exclude pattern

I have a directory with a bunch of files inside: eee2314 , asd3442 ... and eph . 10 Answers ...
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How to wait for a BackgroundWorker to cancel?

... If I understand your requirement right, you could do something like this (code not tested, but shows the general idea): private BackgroundWorker worker = new BackgroundWorker(); private AutoResetEvent _resetEvent = new AutoResetEvent(fa...
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What does “for” attribute do in HTML tag?

... The <label> tag allows you to click on the label, and it will be treated like clicking on the associated input element. There are two ways to create this association: One way is to wrap the label element around the input element: <label>Input here: <input type...