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Node.js / Express.js - How does app.router work?
Before I ask about app.router I think I should explain at least what I think happens when working with middleware. To use middleware, the function to use is app.use() . When the middleware is being executed, it will either call the next middleware by using next() or make it so no more middlewar...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
...:
https://github.com/CarloWood/ai-statefultask-testsuite/blob/b69b112e2e91d35b56a39f41809d3e3de2f9e4b8/src/mutex_test.cxx
Note that it has a few hardcoded values specific for my box (xrange, yrange and rdtsc overhead), so you probably have to experiment with it before it will work for you.
The gra...
How to get the source directory of a Bash script from within the script itself?
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This accepted answer is not ok, it doesn't work with symlinks and is overly complex. dirname $(readlink -f $0) is the right command. See gist.github.com/tvlooy/cbfbdb111a4ebad8b93e for a testcase
– tvlooy
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IIS7 deployment - duplicate 'system.web.extensions/scripting/scriptResourceHandler' section
On attempting to deploy a .net 3.5 website on the default app pool in IIS7 having the framework section set to 4.0, I get the following error.
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Why is XOR the default way to combine hashes?
...g the same calculation using PI instead of the Golden Ratio produces: 0x517cc1b727220a95 which is odd, instead of even, thus probably "more prime" than the other constant. I used: std::cout << std::hex << (unsigned long long) ((1.0L/3.14159265358979323846264338327950288419716939937510L)...
Benefits of inline functions in C++?
... As I suspected inlining makes no difference to the above. Compiled with gcc 4.01. Version 1 forced to use inlining: 48.318u 1.042s 5:51.39 99.4% 0+0k 0+0io 0pf+0w Version 2 forced no inlining 348.311u 1.019s 5:52.31 99.1% 0+0k 0+0io 0pf+0w This is a good example were common knowledge is wrong.
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When should Flask.g be used?
I saw that g will move from the request context to the app context in Flask 0.10, which made me confused about the intended use of g .
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How to restart a rails server on Heroku?
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The answer was:
heroku restart -a app_name
# The -a is the same as --app
Easily aliased with alias hra='heroku restart --app '
Which you can make a permanent alias by adding it to your .bashrc or .bash_aliases file as described at:
https://askubuntu.com/qu...
Android.app Fragments vs. android.support.v4.app using ViewPager?
...s a specific example, the ViewPager class. My intention is to create an app with similar functionality to the sample provided on the Android Developer website ( http://developer.android.com/training/animation/screen-slide.html or http://developer.android.com/training/implementing-navigation/lat...
Renew Push certificate and keep current App Store App working
I have an app on app store, which is using an iOS Provisioning Profile (Distribution) which is expired.
This Profile contains Push Certificate that's also expired (and does not appear anymore in the portal).
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