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increment date by one month

... me understand it all. In case that helps anyone, I have posted it further down (tried to add it here but it was too long). – Greg Nov 13 '16 at 20:11 ...
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How to allocate aligned memory only using the standard library?

...gned pointer: 0x800001. Adding the 16 gives 0x800011. Now I want to round down to the 16-byte boundary — so I want to reset the last 4 bits to 0. 0x0F has the last 4 bits set to one; therefore, ~0x0F has all bits set to one except the last four. Anding that with 0x800011 gives 0x800010. You ca...
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How do you access the matched groups in a JavaScript regular expression?

...y'll push it out to a production environment and wonder why their app goes down under load. In my experience it's better if things break in an obvious way, and earlier in the development cycle. – wallacer Nov 12 '14 at 23:44 ...
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How do I get the n-th level parent of an element in jQuery?

... Read further down the answer and all shall be revealed! (I've given you level examples) – Henry Aug 17 '11 at 13:37 ...
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Check if string begins with something? [duplicate]

... is worth noting that it is creating a string but I don't think it's worth down voting since there isn't an abundance of clearly better alternatives and I would bet that in most cases the creation of a redundant string is not going to be a problem worth worrying about. – rooby ...
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Underscore: sortBy() based on multiple attributes

... the array multiple times (which, on a large enough list could slow things down a lot) or they generate huge amounts of garbage objects that the VM will need to cleanup (and ultimately slowing the program down). Here's a solution that is fast, efficient, easily allows reverse sorting, and can be u...
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Why do we check up to the square root of a prime number to determine if it is prime?

... 10, the other is less than 10. Thinking about a x b, if one of them goes down, the other must get bigger to compensate, so the product stays at 100. They pivot around the square root. The square root of 101 is about 10.049875621. So if you're testing the number 101 for primality, you only need to...
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Java concurrency: Countdown latch vs Cyclic barrier

...n be used again. For simple use cases - services starting etc... a CountdownLatch is fine. A CyclicBarrier is useful for more complex co-ordination tasks. An example of such a thing would be parallel computation - where multiple subtasks are involved in the computation - kind of like MapReduce....
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Can I restore deleted files (undo a `git clean -fdx`)?

...as following the instructions on making github pages , and forgot to move down into my git sub directory. As a result, I just nuked an entire directory of documents with git clean -fdx . Is there any way I can undo this terrible mistake? ...
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How to detect if a function is called as constructor?

...nswered Dec 10 '09 at 12:38 Tim DownTim Down 281k6464 gold badges415415 silver badges497497 bronze badges ...