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What is a “thread” (really)?

...struction Pointer (aka Program Counter), it controls what executes in what order. It also includes the Stack Pointer, which had better point to a unique area of memory for each thread or else they will interfere with each other. Threads are the software unit affected by control flow (function call...
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Is gettimeofday() guaranteed to be of microsecond resolution?

...s the CPU's execution buffer so that the timings aren't affected by out-of-order execution. execute the rdtsc (read timestamp) execution. This fetches the number of machine cycles executed since the processor was reset. This is a 64-bit value, so with current CPU speeds it will wrap around every 1...
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How to debug Ruby scripts [closed]

... with -rdebug :no need to change source file in order to debug – germanlinux Sep 23 '14 at 21:18 2 ...
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Is the primary key automatically indexed in MySQL?

...are frequently used in where clauses, and in any kind of sorting, such as "order by". You might be working on a more complex database, so it's good to remember a few simple rules. Indexes slow down inserts and updates, so you want to use them carefully on columns that are FREQUENTLY updated. Index...
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What is the point of Lookup?

... Reading answers order is jwg -> bobbymcr -> jonskeet – snr Apr 18 at 21:59 ...
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How do I select text nodes with jQuery?

... I tried this. It prints tag names out of order. Is there a way to print tag names in the order they occur? I asked a separate question here stackoverflow.com/questions/63276378/… – Amanda Aug 6 at 4:27 ...
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What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN? [duplicate]

... 24 chennai Interesting Fact For INNER joins the order doesn't matter For (LEFT, RIGHT or FULL) OUTER joins,the order matter Better to go check this Link it will give you interesting details about join order ...
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ASP.NET MVC - Should business logic exist in controllers?

...s, skinny controllers. For example, instead of having: public interface IOrderService{ int CalculateTotal(Order order); } I would rather have: public class Order{ int CalculateTotal(ITaxService service){...} } This assumes that tax is calculate by an external service, and requ...
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SHA512 vs. Blowfish and Bcrypt [closed]

...s stored in the "password" table, but the derived key is never stored. In order to break the cryptography here, an attacker would have to recover the key from the ciphertext. This is called a "known-plaintext" attack, since the attack knows the magic string that has been encrypted, but not the key ...
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What 'additional configuration' is necessary to reference a .NET 2.0 mixed mode assembly in a .NET 4

... In order to use a CLR 2.0 mixed mode assembly, you need to modify your App.Config file to include: <?xml version="1.0"?><configuration> <startup useLegacyV2RuntimeActivationPolicy="true"> <supportedRunt...