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Asynchronous vs synchronous execution, what does it really mean? [closed]

...all doesn't involve multithread programming or handling concurrency at the OS level. – Paulo Merson Jun 15 '15 at 12:07 300 ...
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Please explain the exec() function and its family

...t is to fork(), which creates a brand new process containing a duplicate (mostly) of the current program, including its state. There are a few differences between the two processes which allow them to figure out which is the parent and which is the child. The second is to exec(), which replaces the ...
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How to use the same C++ code for Android and iOS?

Android with NDK has support to C/C++ code and iOS with Objective-C++ has support too, so how can I write applications with native C/C++ code shared between Android and iOS? ...
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How are virtual functions and vtable implemented?

... want to achieve with this ability (that the language supports) should be possible without access to the vtable directly or modifying it at runtime. Also note, the C++ language spec does not specify that vtables are required - however that is how most compilers implement virtual functions. Does the...
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How to write iOS app purely in C

...is is by now, // then you probably shouldn't be reading the rest of this post. int main(int argc, char *argv[]) { // Create an @autoreleasepool, using the old-stye API. // Note that while NSAutoreleasePool IS deprecated, it still exists // in the APIs for a reason, and we leverage tha...
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is there a css hack for safari only NOT chrome?

... If you are having trouble, and really want to get help or help others by posting a comment about it, Post Your Browser and Device (MacBook/IPad/etc... with both browser and OS version numbers!) Claiming none of these work is not accurate (and actually not even possible.) Many of these are not reall...
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Learning assembly [closed]

.... I saw there are a zillion different flavors of assembly, so, for the purposes I mention, how should I start? What kind of assembly should I learn? I want to learn by first doing some easy programs (i.e. a calculator), but the goal itself will be to get accostumed with it so I can understand the co...
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Understanding garbage collection in .NET

...ram has progressed inside that Main() method before it made a call. An almost magic method that is related to that table is GC.KeepAlive(). It is a very special method, it doesn't generate any code at all. Its only duty is to modify that table. It extends the lifetime of the local variable, prev...
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What is the overhead of creating a new HttpClient per call in a WebAPI client?

... HttpClient has been designed to be re-used for multiple calls. Even across multiple threads. The HttpClientHandler has Credentials and Cookies that are intended to be re-used across calls. Having a new HttpClient instance requires re-setting up all of that stuff. Also, the DefaultRequestHeaders...
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Multiprocessing vs Threading Python [duplicate]

... Also, the OS handles process scheduling. The threading library handles thread scheduling. And, threads share I/O scheduling -- which can be a bottleneck. Processes have independent I/O scheduling. – S.Lott ...