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What is the printf format specifier for bool?
...t something like "%d" which would cause problems. The fputs, on the other hand, is a better option.
– paxdiablo
Oct 15 '14 at 2:40
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How can I format my grep output to show line numbers at the end of the line, and also the hit count?
...two null, - Line number : 2
example four null, - Line number : 4
Use command substitution to print out the total null count:
$ echo "Total null count :" $(grep -ic null myfile.txt)
Total null count : 2
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Easy way to test a URL for 404 in PHP?
I'm teaching myself some basic scraping and I've found that sometimes the URL's that I feed into my code return 404, which gums up all the rest of my code.
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What's an easy way to read random line from a file in Unix command line?
What's an easy way to read random line from a file in Unix command line?
13 Answers
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What does each of the [y,n,q,a,d,/,K,j,J,g,e,?] stand for in context of git -p
... -p mode of git add -p or git stash -p what does each of the letters stand for?
2 Answers
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Test if a command outputs an empty string
How can I test if a command outputs an empty string?
11 Answers
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How to extract the n-th elements from a list of tuples?
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and use **dict to create keyword arguments: def test(foo=3, bar=3): return foo*bar then d = {'bar': 9, 'foo'=12}; print test(**d)
– Wayne Werner
Jul 22 '10 at 12:58
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Why is std::map implemented as a red-black tree?
...bly the two most common self balancing tree algorithms are Red-Black trees and AVL trees. To balance the tree after an insertion/update both algorithms use the notion of rotations where the nodes of the tree are rotated to perform the re-balancing.
While in both algorithms the insert/delete operat...
Algorithm to find top 10 search terms
I'm currently preparing for an interview, and it reminded me of a question I was once asked in a previous interview that went something like this:
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Convert all strings in a list to int
...f map, so prepare to use list comprehensions anyway if you ever use that standard. :)
– ThorSummoner
Feb 12 '15 at 6:41
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