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Sticky and NON-Sticky sessions
...ers A, B and C behind the load balancer, it is possible that www.mywebsite.com/index.jsp is served from server A, www.mywebsite.com/login.jsp is served from server B and www.mywebsite.com/accoutdetails.php are served from server C.
Now, if the requests are being served from (physically) 3 different...
How to restart a rails server on Heroku?
...t to your .bashrc or .bash_aliases file as described at:
https://askubuntu.com/questions/17536/how-do-i-create-a-permanent-bash-alias and
Creating permanent executable aliases
Then you can just type hra app_name
You can restart a specific remote, e.g. "staging" with:
heroku restart -a app_name -r ...
Find what filetype is loaded in vim
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SO requires a minimum comment length, so it may not be obvious that the shortest ends after the t. ? is optional.
– reergymerej
Jan 23 at 18:26
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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
...n implementations. There are also a lot of half-answers floating around. Compiling a list of clock functions together with their properties would answer the question properly. For starts let's ask what the relevant properties are that we're looking for. Looking at your post, I suggest:
What tim...
What is a memory fence?
...ect. For example a 'full fence' means all read/writes before the fence are comitted before those after the fence.
Note memory fences are a hardware concept. In higher level languages we are used to dealing with mutexes and semaphores - these may well be implemented using memory fences at the low le...
What does PorterDuff.Mode mean in android graphics.What does it do?
... article with illustrations by a Google engineer:
http://ssp.impulsetrain.com/porterduff.html
PorterDuff is described as a way of combining images as if they were "irregular shaped pieces of cardboard" overlayed on each other, as well as a scheme for blending the overlapping parts.
The default An...
In c++ what does a tilde “~” before a function name signify?
...ys the instance, frees up memory, etc. etc.
Here's a description from ibm.com:
Destructors are usually used to deallocate memory and do other cleanup for a class object and its class members when the object is destroyed. A destructor is called for a class object when that object passes out of scop...
backbone.js - events, knowing what was clicked
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How to check if a function exists on a SQL database
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