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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 to run iPhone emulator WITHOUT starting Xcode?
On my old Mac running Snow Leopard, I could type "ios" into spotlight and it would start up the iPhone/iPad emulator by itself.
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Checking whether something is iterable
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The proper way to check for iterability is as follows:
function isIterable(obj) {
// checks for null and undefined
if (obj == null) {
return false;
}
return typeof obj[Symbol.iterator] === 'function';
}
Why this works (iterable protocol i...
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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Short description of the scoping rules?
...ese rules are specific to variable names, not attributes. If you reference it without a period, these rules apply.)
LEGB Rule
Local — Names assigned in any way within a function (def or lambda), and not declared global in that function
Enclosing-function — Names assigned in the local scope of...
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...
Why doesn't Dictionary have AddRange?
Title is basic enough, why can't I:
10 Answers
10
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Mock functions in Go
I'm puzzled with dependencies. I want to be able to replace some function calls with mock ones. Here's a snippet of my code:
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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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