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How to read a large file - line by line?
I want to iterate over each line of an entire file. One way to do this is by reading the entire file, saving it to a list, then going over the line of interest. This method uses a lot of memory, so I am looking for an alternative.
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Calculate a MD5 hash from a string
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answered Jul 12 '12 at 15:05
L.BL.B
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how to get the current working directory's absolute path from irb
I'm running Ruby on Windows though I don't know if that should make a difference. All I want to do is get the current working directory's absolute path. Is this possible from irb? Apparently from a script it's possible using File.expand_path(__FILE__)
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Platform independent size_t Format specifiers in c?
I want to print out a variable of type size_t in C but it appears that size_t is aliased to different variable types on different architectures. For example, on one machine (64-bit) the following code does not throw any warnings:
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Bash script - variable content as a command to run
I have a Perl script that gives me a defined list random numbers that correspond to the lines of a file. Next I want to extract those lines from the file using sed .
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What are the rules about using an underscore in a C++ identifier?
...pital E followed a digit or uppercase letter:
may be used for additional error code names.
Names that begin with either is or to followed by a lowercase letter
may be used for additional character testing and conversion functions.
Names that begin with LC_ followed by an uppercase letter
may...
Remove plot axis values
I was just wondering if there is a way to get rid of axis values, either the x-axis or y-axis respectively, in an r-plot graph.
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How to transfer some data to another Fragment?
...ments Serializable {
private static final long serialVersionUID = -2163051469151804394L;
private int id;
private String created;
}
In you FromFragment:
Bundle args = new Bundle();
args.putSerializable(TAG_MY_CLASS, myClass);
Fragment toFragment = new ToFragment();
toFragment.setArgume...
case-insensitive list sorting, without lowercasing the result?
...the above x.sort(key=str.lower) command will fail and output the following error:
TypeError: descriptor 'lower' requires a 'str' object but received a 'unicode'
If you get this error, then either upgrade to Python 3 where they handle unicode sorting, or convert your unicode strings to ASCII strings...
UICollectionView reloadData not functioning properly in iOS 7
...ock?
– liamnichols
Jul 25 '14 at 15:05
This worked for me, but I'm not sure I understand why it's necessary. Any idea ...