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Convert a String In C++ To Upper Case

...orm extremely badly with g++ 5.2 -O3, and Boost 1.58 (like 30x worse than calling glibc's toupper in a loop.) There's a dynamic_cast of the locale that doesn't get hoisted out of the per-char loop. See my answer. On the plus side, this may be properly UTF-8 aware, but the slowdown doesn't come fr...
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Why doesn't Python have a sign function?

... it wasn't accepted, because they didn't agree on what it should return in all the edge cases (+/-0, +/-nan, etc) So they decided to implement only copysign, which (although more verbose) can be used to delegate to the end user the desired behavior for edge cases - which sometimes might require the...
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split string only on first instance of specified character

...Very elegant. Works like a charm. Thank you. – Ofeargall Jan 5 '11 at 18:43 12 Just to be clear, ...
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Inject errors into already validated form?

...external) process for further processing. This external process can potentially find further errors in the values. 4 Answer...
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What really happens in a try { return x; } finally { x = null; } statement?

...L level you can't return from inside an exception-handled block. It essentially stores it in a variable and returns afterwards i.e. similar to: int tmp; try { tmp = ... } finally { ... } return tmp; for example (using reflector): static int Test() { try { return SomeNumber(); ...
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Why does setTimeout() “break” for large millisecond delay values?

...s due to setTimeout using a 32 bit int to store the delay so the max value allowed would be 2147483647 if you try 2147483648 you get your problem occurring. I can only presume this is causing some form of internal exception in the JS Engine and causing the function to fire immediately rathe...
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Get the latest record from mongodb collection

...1 means order opposite of the one that records are inserted in. Edit: For all the downvoters, above is a Mongoose syntax, mongo CLI syntax is: db.collectionName.find({}).sort({$natural:-1}).limit(1) share | ...
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?

...que ID (please let me know if there are more): Before this discussion, recall that the BSON Object ID consists of: [4 bytes seconds since epoch, 3 bytes machine hash, 2 bytes process ID, 3 bytes counter] Here are the three possibilities, so you judge for yourself how likely it is to get a dupe: ...
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Catch-22 prevents streamed TCP WCF service securable by WIF; ruining my Christmas, mental health

...WCF net.tcp service endpoint using WIF . It should authenticate incoming calls against our token server. The service is streamed because it is designed to transfer large amounts of data n stuff. ...
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What are naming conventions for MongoDB?

... Keep'em short: Optimizing Storage of Small Objects, SERVER-863. Silly but true. I guess pretty much the same rules that apply to relation databases should apply here. And after so many decades there is still no agreement whether RDBMS tables should be named singul...