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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...
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, ...
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 ...
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...
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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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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Python string class like StringBuilder in C#?
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There is no one-to-one correlation. For a really good article please see Efficient String Concatenation in Python:
Building long strings in the Python
progamming language can sometimes
result in very slow running code. In
this article I investigate th...
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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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...
Why does Razor _layout.cshtml have a leading underscore in file name?
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Razor was developed for ASP.NET Web Pages (WebMatrix), which doesn't have the same sort of protection built in regarding Views folders and Routing that you get within MVC. Since layout pages in Web Pages are not intended to be served directly, t...