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Regular expression to allow spaces between words

I want a regular expression that prevents symbols and only allows letters and numbers. The regex below works great, but it doesn't allow for spaces between words. ...
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Round to at most 2 decimal places (only if necessary)

... @James Wow that's really weird- I'm working in the Chrome dev console and I'm noticing that 1.005 * 100 = 100.49999999999999. Math.round(100.49999999999999) evaluates to 100, whereas Math.round(100.5) evaluates to 101. IE9 does the same thing. This is due to floating point weirdness in javascri...
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What's the difference between KeyDown and KeyPress in .NET?

What is the difference between the KeyDown and KeyPress events in .net ? 10 Answers ...
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How do I make the first letter of a string uppercase in JavaScript?

...ility (hard to find out where the function is being added to the prototype and could cause conflicts if other code uses the same name / a browser adds a native function with that same name in future). ...and then, there is so much more to this question when you consider internationalisation, as thi...
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Twitter Bootstrap 3 Sticky Footer

I have been using the twitter bootstrap framework for quite a while now and they recently updated to version 3! 25 Answers ...
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Can a class member function template be virtual?

...would need to call a templatized virtual function, compilation is all done and the compiler cannot generate the appropriate instance anymore. Therefore you cannot have virtual member function templates. However, there are a few powerful and interesting techniques stemming from combining polymorphi...
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Check if a string contains a number

...mbers in what I'd like to be a numberless string. I need to enter a string and check to see if it contains any numbers and if it does reject it. ...
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PostgreSQL: How to pass parameters from command line?

...placeholders. I wanted to test this same query directly from the psql command line (outside the script). I want to avoid going in and replacing all the ? with actual values, instead I'd like to pass the arguments after the query. ...
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CSS3 Rotate Animation

... notes on your code: You've nested the keyframes inside the .image rule, and that's incorrect float:left won't work on absolutely positioned elements Have a look at caniuse: IE10 doesn't need the -ms- prefix share ...
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What's the rationale for null terminated strings?

As much as I love C and C++, I can't help but scratch my head at the choice of null terminated strings: 18 Answers ...