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How do I check if a number is a palindrome?
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This is one of the Project Euler problems. When I solved it in Haskell I did exactly what you suggest, convert the number to a String. It's then trivial to check that the string is a pallindrome. If it performs well enough, then why bother making it more complex? Being a pallind...
Getting a list of associative array keys
...onary);
console.log(keys);
See reference below for browser support. It is supported in Firefox 4.20, Chrome 5, and Internet Explorer 9. Object.keys() contains a code snippet that you can add if Object.keys() is not supported in your browser.
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How to add onload event to a div element
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No, you can't. The easiest way to make it work would be to put the function call directly after the element
Example:
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<div id="somid">Some content</div>
<script type="text/javascript">
oQuickReply.swap('somid');
</script>
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or ...
Ruby: How to turn a hash into HTTP parameters?
That is pretty easy with a plain hash like
13 Answers
13
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Hashset vs Treeset
...pointedly why I would use a TreeSet . From a CS background, I don't think it matters all that much which you use, and I don't care to mess around with hash functions and buckets (in the case of Java ).
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UITableView didSelectRowAtIndexPath: not being called on first tap
I'm having an issue with UITableView's didSelectRowAtIndexPath .
16 Answers
16
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Sticky sidebar: stick to bottom when scrolling down, top when scrolling up
...n to my sticky sidebar problem. I have a specific idea of how I would like it to act; effectively, I would like it to stick to the bottom as you scroll down, and then as soon as you scroll back up I would like it to stick to the top, in a fluid motion (no jumping). I am unable to find an example of ...
How do you print in Sublime Text 2
Sublime Text 2 seems like a great editor. I just started using it a week ago in eval mode and it doesn't seem to have any printing functionality. This seems preposterous to me, but I can't find it anywhere.
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Why doesn't Dictionary have AddRange?
Title is basic enough, why can't I:
10 Answers
10
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npm global path prefix
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Extending your PATH with:
export PATH=/usr/local/share/npm/bin:$PATH
isn't a terrible idea. Having said that, you shouldn't have to do it.
Run this:
npm config get prefix
The default on OS X is /usr/local, which means that npm will syml...