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Efficiently convert rows to columns in sql server

... for ColumnName in (' + @cols + N') ) p ' exec sp_executesql @query; See Demo. Using an aggregate function If you do not want to use the PIVOT function, then you can use an aggregate function with a CASE expression: select max(case when columnname = 'FirstName' then ...
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Weird PHP error: 'Can't use function return value in write context'

... You mean if (isset($_POST['sms_code']) == TRUE ) { though incidentally you really mean if (isset($_POST['sms_code'])) { share | improve thi...
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Input text dialog Android

...orate more if this is what you need). Within your class: private String m_Text = ""; Within the OnClickListener of your button (or in a function called from there): AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle("Title"); // Set up the input final EditText input ...
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Convert tuple to list and back

... List to Tuple and back can be done as below import ast, sys input_str = sys.stdin.read() input_tuple = ast.literal_eval(input_str) l = list(input_tuple) l.append('Python') #print(l) tuple_2 = tuple(l) # Make sure to name the final tuple 'tuple_2' print(tuple_2) ...
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PHP script to loop through all of the files in a directory?

...r. Example from php Manual: <?php $dir = new DirectoryIterator(dirname(__FILE__)); foreach ($dir as $fileinfo) { if (!$fileinfo->isDot()) { var_dump($fileinfo->getFilename()); } } ?> share ...
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Why does !{}[true] evaluate to true in JavaScript?

...PI && inspectedWindow.console) { inspectedWindow.console._commandLineAPI = new CommandLineAPI(this._commandLineAPIImpl, isEvalOnCallFrame ? object : null); expression = "with ((window && window.console && window.console._commandLineAPI) || {}) {\n" + expre...
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In a javascript array, how do I get the last 5 elements, excluding the first element?

... huge javascript minified file if your trying to do it from your browser. _.slice(_.rest(arr), -5) share | improve this answer | follow | ...
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Loop through all nested dictionary values?

...ack edge / \ | _key1 __key2__ | / / \ \ | |->key1.1 key2.1 key2.2 key2.3 | / | | | value1 value2 | | |...
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How to install MySQLdb (Python data access library to MySQL) on Mac OS X?

...e egg under Users/$USER/.python-eggs Step 4: Originally required editing _mysql.c, but is now NO LONGER NECESSARY. MySQLdb community seem to have fixed this bug now. Step 5: Create a symbolic link under lib to point to a sub-directory called mysql. This is where it looks for during compilation. ...
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Are there conventions on how to name resources?

... layouts with widgets and containers, I use the convention: <layout>_<widget/container>_<name> I do the same strategy for any dimens, strings, numbers, and colors I use in those layouts. However, I do try generalizing. e.g if all buttons have a common textColor, I won't prefix t...