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seek() function?

...of reference: 0: means your reference point is the beginning of the file 1: means your reference point is the current file position 2: means your reference point is the end of the file if omitted, from_what defaults to 0. Never forget that when managing files, there'll always be a position insi...
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How to make the 'cut' command treat same sequental delimiters as one?

...uence of a repeated character that is listed in SET1 with a single occurrence of that character share | improve this answer | ...
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How to undo a git pull?

...plicit than the other answer: git pull whoops? git reset --keep HEAD@{1} Versions of git older than 1.7.1 do not have --keep. If you use such version, you could use --hard - but that is a dangerous operation because it loses any local changes. To the commenter ORIG_HEAD is previous sta...
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What ports does RabbitMQ use?

... 151 PORT 4369: Erlang makes use of a Port Mapper Daemon (epmd) for resolution of node names in a c...
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Why does this Java program terminate despite that apparently it shouldn't (and didn't)?

...ron microscope went over its boundary, and after a chain of events I lost $12 million of equipment. I've narrowed down over 40K lines in the faulty module to this: ...
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Using a dictionary to count the items in a list [duplicate]

... in 2.7 and 3.1 there is special Counter dict for this purpose. >>> from collections import Counter >>> Counter(['apple','red','apple','red','red','pear']) Counter({'red': 3, 'apple': 2, 'pear': 1}) ...
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How to stop text from taking up more than 1 line?

... | edited Jan 20 '18 at 21:02 diralik 2,86222 gold badges1313 silver badges3838 bronze badges an...
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Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli

... 241 An example to help you get off the ground. for f in *.jpg; do mv "$f" "$(echo "$f" | sed s/IMG/V...
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How to redirect stderr and stdout to different files in the same line in script?

... Just add them in one line command 2>> error 1>> output However, note that >> is for appending if the file already has data. Whereas, > will overwrite any existing data in the file. So, command 2> error 1> output if you do not want to append. Ju...