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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...pth! Works on MSVC10 and GCC without increased depth. :)
Simple compile-time recursion + addition:
template<unsigned Cur, unsigned Goal>
struct adder{
static unsigned const sub_goal = (Cur + Goal) / 2;
static unsigned const tmp = adder<Cur, sub_goal>::value;
static unsigned con...
Apache Kafka vs Apache Storm
Apache Kafka: Distributed messaging system
Apache Storm: Real Time Message Processing
7 Answers
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Meaning of Choreographer messages in Logcat [duplicate]
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Choreographer lets apps to connect themselves to the vsync, and properly time things to improve performance.
Android view animations internally uses Choreographer for the same purpose: to properly time the animations and possibly improve performance.
Since Choreographer is told about every vsync e...
How to compile a static library in Linux?
I have a question: How to compile a static library in Linux with gcc , i.e. I need to compile my source code into a file named out.a. Is it sufficient to simply compile with the command gcc -o out.a out.c ? I'm not quite familiar with gcc , hope anyone can give me a hand.
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How does Go compile so quickly?
...site, but I can't seem to find an explanation for Go's extraordinary build times. Are they products of the language features (or lack thereof), a highly optimized compiler, or something else? I'm not trying to promote Go; I'm just curious.
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How to wait for all goroutines to finish without using time.Sleep?
...of this somehow regardless. With WaitGroups it's a bit easier because each time you spawn a new goroutine, you can first do wg.Add(1) and thus it'll keep track of them. With channels it would be somewhat harder.
– joshlf
Apr 30 '16 at 22:59
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ACE vs Boost vs POCO [closed]
I have been working with the Boost C++ Libraries for quite some time. I absolutely love the Boost Asio C++ library for network programming. However I was introduced to two other libraries: POCO and Adaptive Communication Environment (ACE) framework . I would like to know the good and bad of ...
How do I load an HTML page in a using JavaScript?
...approach, but in terms of performance it is lagging by 50% compared by the time it took to load a page with jQuery load function or using the vanilla javascript approach of XMLHttpRequest which were roughly similar to each other.
I imagine this is because under the hood it gets the page in the exa...
UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?
...iewDidLoad is things you have to do once. viewWillAppear gets called every time the view appears. You should do things that you only have to do once in viewDidLoad - like setting your UILabel texts. However, you may want to modify a specific part of the view every time the user gets to view it, e.g....
FileSystemWatcher Changed event is raised twice
... eventhandler to handle the event. I am using the NotifyFilters.LastWriteTime but still the event is getting fired twice. Here is the code.
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