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Difference between encoding and encryption
...data into another format using a scheme that is publicly available so that it can easily be reversed.
Encryption transforms data into another format in such a way that only specific individual(s) can reverse the transformation.
For Summary -
Encoding is for maintaining data usability and uses sch...
Wrapping a C library in Python: C, Cython or ctypes?
...I, only the functions and datatypes that are relevant to my case. As I see it, I have three choices:
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Change the current directory from a Bash script
Is it possible to change current directory from a script?
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jQuery: Check if div with certain class name exists
...e is a truthy value at the first ([0]) index, then assume class exists.
Edit 04/10/2013: I've created a jsperf test case here.
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find vs find_by vs where
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Use whichever one you feel suits your needs best.
The find method is usually used to retrieve a row by ID:
Model.find(1)
It's worth noting that find will throw an exception if the item is not found by the attribute that you supply. Use where (as des...
Is std::vector so much slower than plain arrays?
I've always thought it's the general wisdom that std::vector is "implemented as an array," blah blah blah. Today I went down and tested it, and it seems to be not so:
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Go Error Handling Techniques [closed]
I'm just getting started with Go. My code is starting to have a lot of this:
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Should I test private methods or only public ones? [closed]
...test private methods. I usually do not test them, because I always thought it's faster to test only public methods that will be called from outside the object. Do you test private methods? Should I always test them?
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How to properly compare two Integers in Java?
I know that if you compare a boxed primitive Integer with a constant such as:
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Is it OK to leave a channel open?
Is it OK to leave a Go channel open forever (never close the channel) if I never check for its state? Will it lead to memory leaks? Is the following code OK?
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