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Count the occurrences of DISTINCT values

...uestion, I would like to make a correction on her comment to avoid leading new people astray. If you leave off the "group by" in a MySQL query, you don't get [Mike, 1], [Mike, 1], you get a single result which will be the name on the FIRST row returned, and a count of number of rows in the table, ...
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What is the equivalent of “!=” in Excel VBA?

... I know to people somewhat new to VBA, this answer may seem weird, but this, believe it or not, is FAR more efficient than checking against <> "" – LimaNightHawk Jan 29 '15 at 16:52 ...
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Javascript - How to extract filename from a file input control

... Assuming your <input type="file" > has an id of upload this should hopefully do the trick: var fullPath = document.getElementById('upload').value; if (fullPath) { var startIndex = (fullPath.indexOf('\\') >= 0 ? fullPath.lastIndexOf('\\') : fullPath.lastIndexO...
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Getting new Twitter API consumer and secret keys

...sn't being used. Click on Create your Twitter application Details of your new app will be shown along with your consumer key and consumer secret. If you need access tokens, scroll down and click Create my access token The page will then refresh on the "Details" tab with your new access tokens. Yo...
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What is database pooling?

...tion (2) and, if one is available, that's given to the client. Otherwise a new one is created (3). A "suitable connection" is just one that already has access to the database using the correct information (such as database instance, credentials, and possibly other things). Similarly, there's a clo...
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Add Bootstrap Glyphicon to Input Box

...g about updating external libraries, be sure to read the release notes and new documentation to determine if your app is still compatible or needs to be upgraded. – KyleMit Mar 28 '14 at 21:39 ...
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“int main (vooid)”? How does that work?

...unction () { StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f4987415%2fint-main-vooid-how-does-that-work%23new-answer', 'question_page'); } ); ...
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R memory management / cannot allocate vector of size n Mb

...ls like package ff (or bigmemory as Sascha mentions) will help you build a new solution. In my limited experience ff is the more advanced package, but you should read the High Performance Computing topic on CRAN Task Views. ...
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Cannot drop database because it is currently in use

...rchar(max) SELECT @SQL = COALESCE(@SQL,'') + 'Kill ' + Convert(varchar, SPId) + ';' FROM MASTER..SysProcesses WHERE DBId = DB_ID(@DatabaseName) AND SPId <> @@SPId --SELECT @SQL EXEC(@SQL) share | ...
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How to add a footer to a UITableView in Storyboard

I'm fairly new to iOS development. 3 Answers 3 ...