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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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Choosing between MEF and MAF (System.AddIn)

... one small thing: please remember that 'separate appdomain' does NOT help you if your addon crashes in a native layer, for that you will still need worker processes. MAF helps somewhat with creating them, but dynamically recovering ...
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Replace Line Breaks in a String C#

... Did not remove all the newline chars. Try this string "\n \r\nMy message \r\n \n \r\n is this.\n \n \r\n" – Shakti Prakash Singh Aug 4 '13 at 12:12 ...
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Why isn't the size of an array parameter the same as within main?

...with %zu (C99), or cast it to int if you use %d like above in your printf calls. – Alok Singhal Dec 29 '09 at 15:41 4 ...
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javascript function leading bang ! syntax

... Ideally you should be able to do all this simply as: function(){ // do stuff }(); That means declare anonymous function and execute it. But that will not work due to specifics of JS grammar. So shortest form of achieving ...
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git command to move a folder inside another

... Command: $ git mv oldFolderName newFolderName It usually works fine. Error "bad source ..." typically indicates that after last commit there were some renames in the source directory and hence git mv cannot find the expected file. The solution is simple - just commit before ...
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How do I get an apk file from an Android device?

...e APKs are named "base.apk" you can also use this one line command to pull all the APKs off a phone you can access while renaming any "base.apk" names to the package name. This also fixes the directory not found issue for APK paths with seemingly random characters after the name: for i in $(adb sh...
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gitosis vs gitolite? [closed]

I am looking for installing a git server to share projects with my team. I don't want to create a user account on the server with SSH access for each developer that needs a git access. It seems there is two concurrent solutions that cover this issue : gitosis & gitolite. ...
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How much is the overhead of smart pointers compared to normal pointers in C++?

..._ptr always has memory overhead for reference counter, though it is very small. std::unique_ptr has time overhead only during constructor (if it has to copy the provided deleter and/or null-initialize the pointer) and during destructor (to destroy the owned object). std::shared_ptr has time overhe...
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How can I select every other line with multiple cursors in Sublime Text?

...t already enabled, enable them: Alt+R Type in the expression .*\n.*\n Find all: Alt+Enter Press left arrow to get rid of the selections, leaving just the cursors: ← You now have a cursor at the start of every odd-numbered line. If you wanted even-numbered lines, press down: ↓ Depending on the fi...