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HTML5 form required attribute. Set custom validation message?

I've got the following HTML5 form: http://jsfiddle.net/nfgfP/ 14 Answers 14 ...
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How to grey out a button?

...r the disabled button (drawable/btn_disable.xml) <shape xmlns:android="http://schemas.android.com/apk/res/android"> <solid android:color="@color/grey" /> <corners android:radius="6dp" /> </shape> And create a selector for the button (drawable/btn_selector.xml) &l...
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Is it possible to prevent an NSURLRequest from caching data or remove cached data following a reques

On iPhone, I perform a HTTP request using NSURLRequest for a chunk of data. Object allocation spikes and I assign the data accordingly. When I finish with the data, I free it up accordingly - however instruments doesn't show any data to have been freed! ...
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How do I use a Boolean in Python?

...ecker = True if checker: # some stuff [Edit] For more information: http://docs.python.org/library/functions.html#bool Your code works too, since 1 is converted to True when necessary. Actually Python didn't have a boolean type for a long time (as in old C), and some programmers still use in...
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Good examples using java.util.logging [closed]

...erything to standard-out, use Log4J, or Logback (recommended over Log4J). http://www.slf4j.org/ http://logback.qos.ch/ share | improve this answer | follow |...
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Free FTP Library [closed]

... Why don't you use the libraries that come with the .NET framework: http://msdn.microsoft.com/en-us/library/ms229718.aspx? EDIT: 2019 April by https://stackoverflow.com/users/1527/ This answer is no longer valid. Other answers are endorsed by Microsoft. They were designed by Microsoft who...
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Run R script from command line

...roblem! I needed one more thing: R -e 'install.packages("package", repos="http://cran.us.r-project.org")' – Erin Oct 18 '16 at 6:22 4 ...
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What is the best way to do GUIs in Clojure?

...of blog posts on GUI-development with clojure (and swing). Start off here: http://stuartsierra.com/2010/01/02/first-steps-with-clojure-swing share | improve this answer | fol...
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Is log(n!) = Θ(n·log(n))?

...rther, where Mick Sharpe left you: It's deriveration is quite simple: see http://en.wikipedia.org/wiki/Logarithm -> Group Theory log(n!) = log(n * (n-1) * (n-2) * ... * 2 * 1) = log(n) + log(n-1) + ... + log(2) + log(1) Think of n as infinitly big. What is infinite minus one? or minus two?...
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How do I make an HTML text box show a hint when empty?

... That is known as a textbox watermark, and it is done via JavaScript. http://naspinski.net/post/Text-Input-Watermarks-using-Javascript-(IE-Compatible).aspx or if you use jQuery, a much better approach: http://digitalbush.com/projects/watermark-input-plugin/ or code.google.com/p/jquery-water...