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Are Exceptions in C++ really slow

... The main model used today for exceptions (Itanium ABI, VC++ 64 bits) is the Zero-Cost model exceptions. The idea is that instead of losing time by setting up a guard and explicitly checking for the presence of exceptions everywhere, the compiler generates a side tab...
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Converting an int to std::string

... @bparker Right, it's been fixed in gcc 4.8.0 I guess. MinGW coming with latest Code::Blocks (13.12) still has gcc 4.7.1. – Archie Dec 2 '15 at 16:24 ...
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Is it possible to simulate key press events programmatically?

Is it possible to simulate key press events programmatically in JavaScript? 23 Answers ...
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Array vs. Object efficiency in JavaScript

I have a model with possibly thousands of objects. I was wondering what would be the most efficient way of storing them and retrieving a single object once I have it's id. The id's are long numbers. ...
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How to get script of SQL Server data? [duplicate]

...follow | edited Feb 21 at 22:25 Callum Watkins 2,22222 gold badges2323 silver badges4040 bronze badges ...
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Download large file in python with requests

Requests is a really nice library. I'd like to use it for download big files (>1GB). The problem is it's not possible to keep whole file in memory I need to read it in chunks. And this is a problem with the following code ...
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How do I trigger the success callback on a model.save()?

...I thought that backbone always sent the whole model back during save (that it's not possible to send partial model updates). So what is the purpose of the attribute name-values? (2) What if you just want to save the model after performing some .set()s - why the attribute list? (3) In the docs, the ...
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How to save a PNG image server-side, from a base64 data string

... You need to extract the base64 image data from that string, decode it and then you can save it to disk, you don't need GD since it already is a png. $data = 'data:image/png;base64,AAAFBfj42Pj4'; list($type, $data) = explode(';', $data); list(, $data) = explode(',', $data); $data = base...
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How to assign from a function which returns more than one value?

... list[...]<- I had posted this over a decade ago on r-help. Since then it has been added to the gsubfn package. It does not require a special operator but does require that the left hand side be written using list[...] like this: library(gsubfn) # need 0.7-0 or later list[a, b] <- functionR...
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Retrieving the output of subprocess.call() [duplicate]

...follow | edited May 6 '14 at 12:33 jfs 326k132132 gold badges817817 silver badges14381438 bronze badges ...