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Styling an input type=“file” button

...ou will need to look at the tricksy approach of overlaying a styled button and input box on top of the native file input. The article already mentioned by rm at www.quirksmode.org/dom/inputfile.html is the best one I've seen. UPDATE Although it's difficult to style an <input> tag directly, t...
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How to make an ng-click event conditional?

...so you can't use it with <a>, but you can use it with <button> and style it as link. Another way is to use lazy evaluation of expressions like isDisabled || action() so action wouold not be called if isDisabled is true. Here goes both solutions: http://plnkr.co/edit/5d5R5KfD4PCE8vS3OSS...
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Simple way to copy or clone a DataRow?

... to make a clone of a DataRow. Kind of like taking a snapshot of that Row and saving it. The values of original Row are then free to change but we still have another saved copy which doesn't change. Is this the correct way to do it? ...
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Can git automatically switch between spaces and tabs?

...butes which contains: *.py filter=tabspace Linux/Unix Now run the commands: git config --global filter.tabspace.smudge 'unexpand --tabs=4 --first-only' git config --global filter.tabspace.clean 'expand --tabs=4 --initial' OS X First install coreutils with brew: brew install coreutils Now...
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B-Tree vs Hash Table

In MySQL, an index type is a b-tree, and access an element in a b-tree is in logarithmic amortized time O(log(n)) . 5 Answ...
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Adding an arbitrary line to a matplotlib plot in ipython notebook

I'm rather new to both python/matplotlib and using it through the ipython notebook. I'm trying to add some annotation lines to an existing graph and I can't figure out how to render the lines on a graph. So, for example, if I plot the following: ...
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Retrieve a Fragment from a ViewPager

...ll no longer work. What about this solution, overriding instantiateItem() and destroyItem() of your Fragment(State)PagerAdapter: public class MyPagerAdapter extends FragmentStatePagerAdapter { SparseArray<Fragment> registeredFragments = new SparseArray<Fragment>(); public MyPa...
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How to prevent robots from automatically filling up a form?

...attacks) way of solving anti-spam is tracking the time between form-submit and page-load. Bots request a page, parse the page and submit the form. This is fast. Humans type in a URL, load the page, wait before the page is fully loaded, scroll down, read content, decide wether to comment/fill in th...
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What is AF_INET, and why do I need it?

I'm getting started on socket programming, and I keep seeing this AF_INET . 5 Answers ...
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Alternatives to JavaScript

At the moment, the only fully supported language, and the de-facto standard for DOM tree manipulation in the browser is JavaScript. It looks like it has deep design issues that make it a minefield of bugs and security holes for the novice. ...