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What is std::promise?

... a single result, to return several you would need to call async several times, which might waste resources. share | improve this answer | follow | ...
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How do I pass a command line argument while starting up GDB in Linux? [duplicate]

I have to debug a program that has errors in it as part of my assignment. However, I must first pass command line arguments in order to solve this problem. ...
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How to get ASCII value of string in C#

... This shows me System.Byte[]. You need to loop through the chars in the word. Not sure how you got it to work. Helped the OP though which is what matters. – NikosV Sep 22 '18 at 9:35 ...
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Explode string by one or more spaces or tabs

...wered Nov 24 '09 at 21:17 Ben JamesBen James 102k2323 gold badges181181 silver badges154154 bronze badges ...
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What is polymorphism, what is it for, and how is it used?

... If you think about the Greek roots of the term, it should become obvious. Poly = many: polygon = many-sided, polystyrene = many styrenes (a), polyglot = many languages, and so on. Morph = change or form: morphology = study of biological form, Morpheus = the Greek god of dreams able to...
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Caveats of select/poll vs. epoll reactors in Twisted

Everything I've read and experienced ( Tornado based apps ) leads me to believe that ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price. ...
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What is the canonical way to check for errors using the CUDA runtime API?

Looking through the answers and comments on CUDA questions, and in the CUDA tag wiki , I see it is often suggested that the return status of every API call should checked for errors. The API documentation contains functions like cudaGetLastError , cudaPeekAtLastError , and cudaGetErrorString , b...
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How to destroy a DOM element with jQuery?

... Of course this only removes it from the visible document. If there are other references to the node from JavaScript, such as the $target variable itself, the object will escape the garbage collector for now. If you want to DESTROY it you also have to lose all references to it....
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how to iterate through dictionary in a dictionary in django template?

...: [ [1, 2] ], 'b': [ [3, 4] ],'c':[ [5,6]] } You can use the data.items() method to get the dictionary elements. Note, in django templates we do NOT put (). Also some users mentioned values[0] does not work, if that is the case then try values.items. <table> <tr> <td>...
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What should Xcode 6 gitignore file include?

... Pods - for those of you who use CocoaPods Pods which I believe is the same .gitignore that GitHub sets up with all their repositories by default. 2) Another answer is that there's a website called "gitignore.io" , which generates the files based on the .gitignore templates from https://github.c...