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Reading a huge .csv file
I'm currently trying to read data from .csv files in Python 2.7 with up to 1 million rows, and 200 columns (files range from 100mb to 1.6gb). I can do this (very slowly) for the files with under 300,000 rows, but once I go above that I get memory errors. My code looks like this:
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Should unit tests be written for getter and setters?
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I would say no.
@Will said you should aim for 100% code coverage, but in my opinion that's a dangerous distraction. You can write unit tests that have 100% coverage, and yet test absolutely nothing.
Unit tests are there to test the behaviour of your code, in an expressive and meaningful way, ...
Where do you store your salt strings?
I've always used a proper per-entry salt string when hashing passwords for database storage. For my needs, storing the salt in the DB next to the hashed password has always worked fine.
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Find out how much memory is being used by an object in Python [duplicate]
How would you go about finding out how much memory is being used by an object? I know it is possible to find out how much is used by a block of code, but not by an instantiated object (anytime during its life), which is what I want.
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Copy to clipboard in Node.js?
Is there a way you can copy to clipboard in Node.js? Any modules or ideas what so ever? I'm using Node.js on a desktop application. Hopefully that clears up why I want it to be able to achieve this.
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RESTful password reset
What is the proper way to structure a RESTful resource for resetting a password?
9 Answers
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How to use classes from .jar files?
I read the Java tutorials on Sun for JAR files, but I still can't find a solution for my problem. I need to use a class from a jar file called jtwitter.jar, I downloaded the file, and tried executing it (I found out yesterday that .jar files can be executed by double clicking on them) and Vista gave...
href overrides ng-click in Angular.js
When both, href and ng-click attributes are defined:
16 Answers
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How to get the nth element of a python list or a default if not available
I'm looking for an equivalent in python of dictionary.get(key, default) for lists. Is there any one liner idiom to get the nth element of a list or a default value if not available?
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Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
...thod group syntax rather than anonymous methods (or lambda syntax) for calling a function.
4 Answers
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