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How is this fibonacci-function memoized?
...mechanism in Haskell is by-need: when a value is needed, it is calculated, and kept ready in case it is asked for again. If we define some list, xs=[0..] and later ask for its 100th element, xs!!99, the 100th slot in the list gets "fleshed out", holding the number 99 now, ready for next access.
Th...
Best practice to make a multi language application in C#/WinForms? [closed]
... etc.
A question of taste...
One last point, I write programs in English and French, I use "en" and "fr" and not "en-US" and "fr-FR". Do not complicate things, the different dilelects of English (American, English, Australian etc) have few enough differences to use only one (the same goes for Fren...
Convert PDF to image with high resolution
I'm trying to use the command line program convert to take a PDF into an image (JPEG or PNG). Here is one of the PDFs that I'm trying to convert.
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How can I capitalize the first letter of each word in a string?
...ition works in many contexts but it means that apostrophes in contractions and possessives form word boundaries, which may not be the desired result:
>>> "they're bill's friends from the UK".title()
"They'Re Bill'S Friends From The Uk"
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How to launch Safari and open URL from iOS app
... But this is not 100%, because if someone use a jailbreaked iOS and use Chrome or something as default browser, then this will open that, not Safari
– Laszlo
Sep 30 '13 at 12:55
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Are loops really faster in reverse?
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is it worth to introduce a variable for array.length and use it in the for loop's head?
– ragatskynet
Oct 30 '12 at 10:13
39
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How do you rename a MongoDB database?
There's a typo in my MongoDB database name and I'm looking to rename the database.
10 Answers
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MySQL Server has gone away when importing large sql file
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As stated here:
Two most common reasons (and fixes) for the MySQL server has gone away
(error 2006) are:
Server timed out and closed the connection. How to fix:
check that wait_timeout variable in your mysqld’s my.cnf configuration file is large en...
Checking for a dirty index or untracked files with Git
...;/dev/null| grep "^M" | wc -l)
# Get number of files that are uncommitted and not added
expr $(git status --porcelain 2>/dev/null| grep "^ M" | wc -l)
# Get number of total uncommited files
expr $(git status --porcelain 2>/dev/null| egrep "^(M| M)" | wc -l)
Note: The 2>/dev/null filters...
Does assignment with a comma work?
Why does aaa = 1,2,3 work and set the value of aaa to 1 ?
4 Answers
4
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