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How to sort a Ruby Hash by number value?
...ea.com" => 745, "siteb.com" => 9, "sitec.com" => 10 }
metrics.sort_by {|_key, value| value}
# ==> [["siteb.com", 9], ["sitec.com", 10], ["sitea.com", 745]]
If you need a hash as a result, you can use to_h (in Ruby 2.0+)
metrics.sort_by {|_key, value| value}.to_h
# ==> {"siteb.c...
How to make an empty div take space
...ing a <table> here, though? They will do this kind of stuff automatically.
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Unable to import a module that is definitely installed
After installing mechanize , I don't seem to be able to import it.
32 Answers
32
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anchor jumping by using javascript
...View(); //Even IE6 supports this
(Well I lied. It's not complicated at all.)
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Copy multiple files in Python
How to copy all the files present in one directory to another directory using Python.
I have the source path and the destination path as string.
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Turning live() into on() in jQuery
My application has dynamically added Dropdowns. The user can add as many as they need to.
5 Answers
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Draw on HTML5 Canvas using a mouse
... trying to use this code, but have issues with the drawing being off vertically when I'm not scrolled all the way down on the page. What should I change in this code?
– Cameron Darlington
Dec 11 '14 at 22:13
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Check to see if python script is running
...stem is using domain sockets:
import socket
import sys
import time
def get_lock(process_name):
# Without holding a reference to our socket somewhere it gets garbage
# collected when the function exits
get_lock._lock_socket = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM)
try:
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Handling JSON Post Request in Go
...can't find an example of Go handling a POST request of JSON data. They are all form POSTs.
7 Answers
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What is the proper #include for the function 'sleep()'?
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this is what I use for a cross-platform code:
#ifdef _WIN32
#include <Windows.h>
#else
#include <unistd.h>
#endif
int main()
{
pollingDelay = 100
//do stuff
//sleep:
#ifdef _WIN32
Sleep(pollingDelay);
#else
usleep(pollingDelay*1000); /* sleep for 10...