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Measuring elapsed time with the Time module
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return ret
return with_profiling
def print_prof_data():
for fname, data in PROF_DATA.items():
max_time = max(data[1])
avg_time = sum(data[1]) / len(data[1])
print "Function %s called %d times. " % (fname, data[0]),
print 'Execution time max: %.3f, a...
Count the number occurrences of a character in a string
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If you want the counts for a lot of the letters in a given string, Counter provides them all in a more succinct form. If you want the count for one letter from a lot of different strings, Counter provides no benefit.
– Brenden...
Google Chrome Extensions - Can't load local images with CSS
...u would be better off replacing css through javascript. From docs:
//Code for displaying <extensionDir>/images/myimage.png:
var imgURL = chrome.extension.getURL("images/myimage.png");
document.getElementById("someImage").src = imgURL;
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Name node is in safe mode. Not able to leave
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In order to forcefully let the namenode leave safemode, following command should be executed:
bin/hadoop dfsadmin -safemode leave
You are getting Unknown command error for your command as -safemode isn't a sub-command for hadoop fs, ...
Should I URL-encode POST data?
... your "Content-Type" is in the HTTP headers.
A value of "application/x-www-form-urlencoded" means that your POST body will need to be URL encoded just like a GET parameter string. A value of "multipart/form-data" means that you'll be using content delimiters and NOT url encoding the content.
This a...
What is the difference between g++ and gcc?
...t is the difference between g++ and gcc? Which one of them should be used for general c++ development?
10 Answers
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Iterating through a JSON object
...us key/value pairs, all strings. When you do json_object[0], you're asking for the first dict in the list. When you iterate over that, with for song in json_object[0]:, you iterate over the keys of the dict. Because that's what you get when you iterate over the dict. If you want to access the value ...
Auto layout constraints issue on iOS7 in UITableViewCell
...leView cells and I'm correctly defining the cell sizes in tableView:heightForRowAtIndexPath:
10 Answers
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Multiprocessing: How to use Pool.map on a function defined in a class?
...accept. I wrote the following to circumvent this. It appears to work, even for recursive use of parmap.
from multiprocessing import Process, Pipe
from itertools import izip
def spawn(f):
def fun(pipe, x):
pipe.send(f(x))
pipe.close()
return fun
def parmap(f, X):
pipe = ...
What is the minimum I have to do to create an RPM file?
...ld better to do a TRUE RPM if you can. But i digress.
So the a basic step for packaging your (binary) program is as follow - in which i suppose the
program is toybinprog with version 1.0, have a conf to be installed in /etc/toybinprog/toybinprog.conf and have a bin to be installed in /usr/bin calle...