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sed one-liner to convert all uppercase to lowercase?
I have a textfile in which some words are printed in ALL CAPS. I want to be able to just convert everything in the textfile to lowercase, using sed . That means that the first sentence would then read, 'i have a textfile in which some words are printed in all caps.'
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Extract subset of key-value pairs from Python dictionary object?
I have a big dictionary object that has several key value pairs (about 16), but I am only interested in 3 of them. What is the best way (shortest/efficient/most elegant) to achieve that?
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【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区，为创新赋能！
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Alternate output format for psql
... using PostgreSQL 8.4 on Ubuntu. I have a table with columns c1 through cN . The columns are wide enough that selecting all columns causes a row of query results to wrap multiple times. Consequently, the output is hard to read.
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Average of 3 long integers
I have 3 very large signed integers.
12 Answers
12
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How can I view a git log of just one user's commits?
...commits commited (but not necessarily authored) by Adam, replace %an with %cn. More details about this are in my blog post here: http://dymitruk.com/blog/2012/07/18/filtering-by-author-name/
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inserting characters at the start and end of a string
I am new and trying to find a way to insert a number of L's at the beginning and end of a string. So if I have a string which says
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if else in a list comprehension [duplicate]
I have a list l :
8 Answers
8
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static linking only some libraries
How can I statically link only a some specific libraries to my binary when linking with GCC?
8 Answers
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