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What is the real overhead of try/catch in C#?
... a good way of controlling process flow, but where does this overhead come from and what is it's actual impact?
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Why do Lua arrays(tables) start at 1 instead of 0?
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Lua is descended from Sol, a language designed for petroleum engineers with no formal training in computer programming. People not trained in computing think it is damned weird to start counting at zero. By adopting 1-based array and string...
How do I remove an item from a stl vector with a certain value?
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std::remove does not actually erase the element from the container, but it does return the new end iterator which can be passed to container_type::erase to do the REAL removal of the extra elements that are now at the end of the container:
std::vector<int> vec;
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What does the NS prefix mean?
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It's from the NeXTSTEP heritage.
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“Unsafe JavaScript attempt to access frame with URL…” error being continuously generated in Chrome w
... hmm that's intriguing...is there a way to set the option that way aside from the command line? I tried this from the command line: /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --disable-web-security and it seemed to work! but it said it wasn't able to load my profile...any idea ...
Implementing Fast and Efficient Core Data Import on iOS 5
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In your scenario, you are pulling the data into the MAIN MOC by merging from the MASTER save during the DidSave notification.
That should work, so I'm curious as to where it is "hung." I will note, that you are not running on the main MOC thread in the canonical way (at least not for iOS 5).
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What is the best way to solve an Objective-C namespace collision?
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If you do not need to use classes from both frameworks at the same time, and you are targeting platforms which support NSBundle unloading (OS X 10.4 or later, no GNUStep support), and performance really isn't an issue for you, I believe that you could load on...
Signed to unsigned conversion in C - is it always safe?
...he unsigned value (UINT_MAX +1). Similarly what is the easy way to convert from unsigned to signed? Do we need to subtract the given number from max value (256 in case of unsigned char)? For example: 140 when converted to signed number becomes -116. But 20 becomes 20 itself. So any easy trick here?
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Why does Lua have no “continue” statement?
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Coming from a python background this is a confusing answer because every scope there already knows what are its local variables before running. I.e. I expected an unbound local variable error in the case of reaching until....
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C++ auto keyword. Why is it magic?
From all the material I used to learn C++, auto has always been a weird storage duration specifier that didn't serve any purpose. But just recently, I encountered code that used it as a type name in and of itself. Out of curiosity I tried it, and it assumes the type of whatever I happen to assig...