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JSON encode MySQL results

... $sth = mysqli_query($conn, "SELECT ..."); $rows = array(); while($r = mysqli_fetch_assoc($sth)) { $rows[] = $r; } print json_encode($rows); The function json_encode needs PHP >= 5.2 and the php-json package - as mentioned here NOTE: mysql is dep...
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SQL Server 2008 can't login with newly created user

...ick on SQL Server instance at root of Object Explorer, click on Properties Select Security from the left pane. Select the SQL Server and Windows Authentication mode radio button, and click OK. Right-click on the SQL Server instance, select Restart (alternatively, open up Services and restart the ...
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Random row selection in Pandas dataframe

Is there a way to select random rows from a DataFrame in Pandas. 6 Answers 6 ...
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How to alias a table in Laravel Eloquent queries (or using Query Builder)?

...AS. Try $users = DB::table('really_long_table_name AS t') ->select('t.id AS uid') ->get(); Let's see it in action with an awesome tinker tool $ php artisan tinker [1] > Schema::create('really_long_table_name', function($table) {$table->increments('id');}); // N...
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What is SELF JOIN and when would you use it? [duplicate]

...et information for both people in one row, you could self join like this: select e1.EmployeeID, e1.FirstName, e1.LastName, e1.SupervisorID, e2.FirstName as SupervisorFirstName, e2.LastName as SupervisorLastName from Employee e1 left outer join Employee e2 on e1.SupervisorID ...
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disable all form elements inside div

... Try using the :input selector, along with a parent selector: $("#parent-selector :input").attr("disabled", true); share | improve this answer ...
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In a storyboard, how do I make a custom cell for use with multiple controllers?

... = [controller.tableView indexPathForCell:self]; [controller.tableView selectRowAtIndexPath:path animated:NO scrollPosition:UITableViewScrollPositionNone]; [controller performSegueWithIdentifier:@"FinishedTask" sender:controller]; [super touchesEnded:touches withEvent:event]; } @end I...
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Does PostgreSQL support “accent insensitive” collations?

...n unaccent() you can use with your example (where LIKE seems not needed). SELECT * FROM users WHERE unaccent(name) = unaccent('João'); Index To use an index for that kind of query, create an index on the expression. However, Postgres only accepts IMMUTABLE functions for indexes. If a functio...
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Open terminal here in Mac OS finder [closed]

...not just Finder, and they operate on folders as well as absolute pathnames selected in text. You can even assign command keys to them. Services appear in the Services submenu of each application menu, and within the contextual menu (Control-Click or Right-Click on a folder or pathname). The New T...
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What is the difference between a pseudo-class and a pseudo-element in CSS?

... The CSS 3 selector recommendation is pretty clear about both, but I'll try to show the differences anyway. Pseudo-classes Official description The pseudo-class concept is introduced to permit selection based on information that l...