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Is it better to use std::memcpy() or std::copy() in terms to performance?

...y. I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternating between the m...
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What is the fastest integer division supporting division by zero no matter what the result is?

...x, int y) { y += y == 0; return x/y; } The compiler basically recognizes that it can use a condition flag of the test in the addition. As per request the assembly: .globl f .type f, @function f: pushl %ebp xorl %eax, %eax movl %esp, %ebp movl 12(%...
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Gradle store on local file system

... caches artifacts in USER_HOME/.gradle folder. The compiled scripts are usually in the .gradle folder in your project folder. If you can't find the cache, maybe it's because you have not cached any artifacts yet. You can always see where Gradle has cached artifacts with a simple script: apply plug...
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Install autoreconf on OS X v10.7 (Lion)?

... brew isn't included with OSX, but you can get it here: mxcl.github.com/homebrew – RobM Apr 25 '12 at 11:45 ...
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How can I use a DLL file from Python?

...hlapi32.dll") # Set up prototype and parameters for the desired function call. # HLLAPI hllApiProto = ctypes.WINFUNCTYPE ( ctypes.c_int, # Return type. ctypes.c_void_p, # Parameters 1 ... ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p) # ... thru 4. hllApiParams = (...
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How to change SmartGit's licensing option after 30 days of commercial use on ubuntu?

while installing smartgit 3.0.4 I checked the commercial licensing option, because I was just clicking "next" button : ) (30 day trial and then you have to buy it). Now today is my 31st day of using SG and I can't change my licensing options (reinstalling smartgit doesn't help) and I'm not able to u...
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Android: how to make keyboard enter button say “Search” and handle its click?

... On os 2.3.6 it doesn't work until I put android:inputType="text" attribute. – thanhbinh84 Dec 30 '11 at 15:03 ...
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How do I use vimdiff to resolve a git merge conflict?

... All four buffers provide a different view of the same file. The top left buffer (LOCAL) is how the file looked in your target branch (what you are merging into). The top right buffer (REMOTE) is how the file looked in your so...
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Developing C# on Linux

... is runnable on top of .Net framework. So as long as it is possible to install .Net framework in OS it can run the application. You got to aware of the version though ;) – Shiham Jun 26 '12 at 8:32 ...
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npm failed to install time with make not found error

When i try to install time on nodejs server i get the below error: 5 Answers 5 ...