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Regular expression to match URLs in Java
...s.
*/
public class Patterns {
/**
* Regular expression to match all IANA top-level domains.
* List accurate as of 2011/07/18. List taken from:
* http://data.iana.org/TLD/tlds-alpha-by-domain.txt
* This pattern is auto-generated by frameworks/ex/common/tools/make-iana-tl...
Difference between malloc and calloc?
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calloc() gives you a zero-initialized buffer, while malloc() leaves the memory uninitialized.
For large allocations, most calloc implementations under mainstream OSes will get known-zeroed pages from the OS (e.g. via POSIX mm...
You have already activated X, but your Gemfile requires Y
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Using bundle exec is the right way to do this.
Basically what's happening is that you've updated rake to 0.9.2 which now conflicts with the version specified in your Gemfile. Previously the latest version of rake you had matched the version in your Gemfile, so you didn't get a...
Javascript array search and remove string?
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I'm actually updating this thread with a more recent 1-line solution:
let arr = ['A', 'B', 'C'];
arr = arr.filter(e => e !== 'B'); // will return ['A', 'C']
The idea is basically to filter the array by selecting all elements d...
What Does 'Then' Really Mean in CasperJS
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then() basically adds a new navigation step in a stack. A step is a javascript function which can do two different things:
waiting for the previous step - if any - being executed
waiting for a requested url and related page to load
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How to modify a global variable within a function in bash?
...alise that if you just run the function without assigning it to a variable all the global variables within it will update. Instead of returning a string array, why not just update the string array in the function then assign it to another variable after the function has finished ?
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Git: Discard all changes on a diverged local branch
...tting the branch, on the other hand not only preserves the reflog, but actually records the reset in the reflog. This makes the operation easily reversible later, if needed.
– Dan Moulding
Mar 30 '11 at 22:36
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Why should I use IHttpActionResult instead of HttpResponseMessage?
...which your controller should inherit from, and therefore is just a method call. So no new keyword is needed there. You probably aren't inheriting from ApiController or you are inside a static method. ResponseMessageResult is the return type of ResponseMessage().
– AaronLS
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EC2 Instance Cloning
Is it possible to clone a EC2 instance data and all?
7 Answers
7
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What is the difference between trie and radix trie data structures?
...ed only five nodes. In the picture above nodes are the asterisks.
So, overall, a radix tree takes less memory, but it is harder to implement. Otherwise the use case of both is pretty much the same.
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