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Count the number occurrences of a character in a string

...for a lot of the letters in a given string, Counter provides them all in a more succinct form. If you want the count for one letter from a lot of different strings, Counter provides no benefit. – Brenden Brown Feb 17 '15 at 19:30 ...
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UICollectionView auto scroll to cell at IndexPath

... initialScrollDone flag as LenK has done since this method will get called more than once and if you call scrollToItemAtIndexPath: more than once it seems to render the collectionView unscrollable(iOS simulator iPhone 5/iOS 8) – maz Oct 20 '14 at 5:19 ...
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git pull aborted with error filename too long

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error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss

My problem started off with me not being able to log in as root any more on my mysql install. I was attempting to run mysql without passwords turned on... but whenever I ran the command ...
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How to permanently set $PATH on Linux/Unix? [closed]

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What is the meaning of single and double underscore before an object name?

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.htaccess rewrite to redirect root URL to subdirectory

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What does appending “?v=1” to CSS and Javascript URLs in link and script tags do?

...ts 5 million visitors a month, your approach would have 2 impacts: a) many more requests and data sent to/from our servers, and b) the users wouldn't immediately get new JavaScript/CSS (for example when we had a bug, or the HTML changes needing new JS/CSS). Natural expiration really isn't an option...
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What does the exclamation mark mean in a Haskell declaration?

...g else" This is going to execute enough code to do what it needs, and no more. So it will create a Foo with four parameters (because you can't look inside it without it existing). The first, since we're testing it, we need to evaluate all the way to 4, where we realize it doesn't match. The secon...
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Throwing cats out of windows

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