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How to get hex color value rather than RGB value?
...er inefficiencies. If you're going to declare hexDigits on every function call, at least do it in rgb2hex's function body (not hex's body), so the array is not redefined 3 times per 1 call to rgb2hex. Also learn to use 'var', so you don't pollute the global scope.
– Matt
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How to emulate GPS location in the Android Emulator?
...latitude, longitude and if needed altitude on the device that is passed to all programs using the gps location provider. See the link above for further instructions.
The specific command to run in the console is
geo fix <longitude value> <latitude value>
I found this site useful for...
How to run Node.js as a background process and never die?
...ill %2 with the number being the index of the process.
Powerful solution (allows you to reconnect to the process if it is interactive):
screen
You can then detach by pressing Ctrl+a+d and then attach back by running screen -r
Also consider the newer alternative to screen, tmux.
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How to generate a random integer number from within a range
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All the answers so far are mathematically wrong. Returning rand() % N does not uniformly give a number in the range [0, N) unless N divides the length of the interval into which rand() returns (i.e. is a power of 2). Furthe...
Brew update failed: untracked working tree files would be overwritten by merge
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Works for me. Literally type this cd $(brew --prefix)
– Saran
Apr 25 '14 at 4:41
13
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Text Progress Bar in the Console [closed]
...any of the answers below that I use regularly (no imports required).
Note: All code in this answer was created for Python 3; see end of answer to use this code with Python 2.
# Print iterations progress
def printProgressBar (iteration, total, prefix = '', suffix = '', decimals = 1, length = 100, fil...
Disabling Chrome cache for website development
...is only active while the devtools are open.
Note that this will result in all resources being reloaded. Should you desire to disable the cache only for some resources, you can modify the HTTP header that your server sends alongside your files.
If you do not want to use the Disable cache checkbox, ...
Run ssh and immediately execute command [duplicate]
...tname.
– Erik Nomitch
Sep 16 '15 at 11:24
31
This answer is based on misunderstanding the questio...
Rendering HTML inside textarea
...nswered Jan 16 '11 at 14:28
mekwallmekwall
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How to run a shell script at startup
On an Amazon S3 Linux instance, I have two scripts called start_my_app and stop_my_app which start and stop forever (which in turn runs my Node.js application). I use these scripts to manually start and stop my Node.js application. So far so good.
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