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Viewing full output of PS command

...all processes executed by all users. See man ps for details. The ww flag sets unlimited width. -w Wide output. Use this option twice for unlimited width. w Wide output. Use this option twice for unlimited width. I found the answer on the following blog: http://www.snowfrog.net/...
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How do I execute any command editing its file (argument) “in place” using bash?

... I think if you add set -o pipefail at the beginning of your script, the error on mistyped_command my-important-file would make the script exit immediately, before executing sponge, thus preserving the important file. – Elo...
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What are the applications of binary trees?

...pplications where data is constantly entering/leaving, such as the map and set objects in many languages' libraries. Binary Space Partition - Used in almost every 3D video game to determine what objects need to be rendered. Binary Tries - Used in almost every high-bandwidth router for storing router...
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Python using enumerate inside list comprehension

...merate('abcdef')} {0: 'a', 1: 'b', 2: 'c', 3: 'd', 4: 'e', 5: 'f'} And a set of tuples: >>> {(i,j) for i,j in enumerate('abcdef')} set([(0, 'a'), (4, 'e'), (1, 'b'), (2, 'c'), (5, 'f'), (3, 'd')]) As Óscar López stated, you can just pass the enumerate tuple directly: >>> [t...
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Swift double to string

Before I updated xCode 6, I had no problems casting a double to a string but now it gives me an error 14 Answers ...
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Regular expressions in C: examples?

...rn; PCRE2_SPTR subject; int errornumber; int i; int rc; PCRE2_SIZE erroroffset; PCRE2_SIZE *ovector; size_t subject_length; pcre2_match_data *match_data; char * RegexStr = "(?:\\D|^)(5[1-5][0-9]{2}(?:\\ |\\-|)[0-9]{4}(?:\\ |\\-|)[0-9]{4}(?:\\ |\\-|)[0-9]{4})(?:\\D|$)"; char * source = "5111 2222 3...
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Why would anyone use set instead of unordered_set?

C++0x is introducing unordered_set which is available in boost and many other places. What I understand is that unordered_set is hash table with O(1) lookup complexity. On the other hand, set is nothing but a tree with log(n) lookup complexity. Why on earth would anyone use set instead ...
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Run git pull over all subdirectories [duplicate]

How can I update multiple git repositories from their shared parent's directory without cd 'ing into each repo's root directory? I have the following which are all separate git repositories ( not submodules): ...
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How to find and return a duplicate value in array

... liner code. And works perfectly fine unless you need to process huge data set. Looking for faster solution? Here you go! def find_one_using_hash_map(array) map = {} dup = nil array.each do |v| map[v] = (map[v] || 0 ) + 1 if map[v] > 1 dup = v break end end ...
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How to resume Fragment from BackStack if exists

...ction(); ft.replace(R.id.content_frame, fragment, fragmentTag); ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE); ft.addToBackStack(backStateName); ft.commit(); } } The conditional was changed a bit since selecting the same fragment while it was visible also caused du...