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Detecting an undefined object property
What's the best way of checking if an object property in JavaScript is undefined?
46 Answers
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What does Python's eval() do?
... @GeorgeCummins, codepad.org does not use eval, nor could it do what it does with eval.
– Mike Graham
Feb 21 '12 at 20:01
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What's the fastest way to delete a large folder in Windows?
I want to delete a folder that contains thousands of files and folders. If I use Windows Explorer to delete the folder it can take 10-15 minutes (not always, but often). Is there a faster way in Windows to delete folders?
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How to get instance variables in Python?
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What kind of an instance does not have dict? I've never encountered one.
– Carl Meyer
Sep 20 '08 at 23:37
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Detect encoding and make everything UTF-8
... all this issues. It´s called Encoding::toUTF8().
You don't need to know what the encoding of your strings is. It can be Latin1 (ISO 8859-1), Windows-1252 or UTF-8, or the string can have a mix of them. Encoding::toUTF8() will convert everything to UTF-8.
I did it because a service was giving me ...
Understanding the Rails Authenticity Token
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What happens
When the user views a form to create, update, or destroy a resource, the Rails app creates a random authenticity_token, stores this token in the session, and places it in a hidden field in the form. When the use...
What is the best way to profile javascript execution? [closed]
...magine you are building a lot of javascript code and you want to determine what are actually the bottlenecks in the code. At first I want to see profile stats of every javascript function and execution time. Next would be including DOM functions. This combined with actions that slows things down lik...
Synchronous request in Node.js
If I need to call 3 http API in sequential order, what would be a better alternative to the following code:
18 Answers
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What's the best Django search app? [closed]
...e that django.contrib.search will be added soon.
In the meantime, this is what I found:
http://code.google.com/p/djangosearch/
http://code.google.com/p/django-sphinx/
http://code.google.com/p/djapian/
http://code.google.com/p/django-search-lucene/
http://www.sai.msu.su/~megera/postgres/gist/tsear...
Is it safe to parse a /proc/ file?
...o. (So most of the answers here are wrong.) It might be safe, depending on what property you want. But it's easy to end up with bugs in your code if you assume too much about the consistency of a file in /proc. For example, see this bug which came from assuming that /proc/mounts was a consistent sna...