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How to find the last field using 'cut'
Without using sed or awk , only cut , how do I get the last field when the number of fields are unknown or change with every line?
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How to get a string after a specific substring?
How can I get a string after a specific substring?
9 Answers
9
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Checking if a string can be converted to float in Python
I've got some Python code that runs through a list of strings and converts them to integers or floating point numbers if possible. Doing this for integers is pretty easy
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What characters are valid for JavaScript variable names?
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Could you please copy your example lines to this Rosetta Code page, which is currently lacking a JavaScript example?
– Walter Tross
Oct 30 '14 at 13:45
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Redirecting Output from within Batch file
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Love the solutions where I can set it for the remainder of the file
– Sam
Feb 2 '16 at 22:36
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Resetting remote to a certain commit
... and remotely, and that your remote is called origin you could do:
git reset --hard <commit-hash>
git push -f origin master
However, you should avoid doing this if anyone else is working with your remote repository and has pulled your changes. In that case, it would be better to revert t...
Understanding FFT output
I need some help understanding the output of the DFT/FFT computation.
4 Answers
4
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Clearing a string buffer/builder after loop
...buffer
sb.delete(0, sb.length());
}
Another option (bit cleaner) uses setLength(int len):
sb.setLength(0);
See Javadoc for more info:
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File I/O in Every Programming Language [closed]
This has to be a common question that all programmers have from time to time.
How do I read a line from a text file? Then the next question is always how do i write it back.
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how do I use the grep --include option for multiple file types?
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I recommend adding -I to the standard set. It skips binary files (which are hardly ever searched) hence boosts efficiency. Then we go grep -rIns ... which acousticly plays nicely:)
– bloody
May 1 at 20:36
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