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Rails migration for has_and_belongs_to_many join table

... This is the only reply that actually answers the question. – pingu Aug 17 '12 at 10:57 8 ...
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How to retrieve checkboxes values in jQuery

...t works (see the example): function updateTextArea() { var allVals = []; $('#c_b :checked').each(function() { allVals.push($(this).val()); }); $('#t').val(allVals); } $(function() { $('#c_b input').click(updateTextArea); updateTextArea(); }); Update ...
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Why is Double.MIN_VALUE in not negative

Can anyone shed some light on why Double.MIN_VALUE is not actually the minimum value that Doubles can take? It is a positive value, and a Double can of course be negative. ...
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Cloning an Object in Node.js

...ion is now marked as deprecated in the documentation of Node.js: The util._extend() method was never intended to be used outside of internal Node.js modules. The community found and used it anyway. It is deprecated and should not be used in new code. JavaScript comes with very similar built-in func...
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MySQL check if a table exists without throwing an exception

...PDO syntax for it, but this seems pretty straight-forward: $result = mysql_query("SHOW TABLES LIKE 'myTable'"); $tableExists = mysql_num_rows($result) > 0; share | improve this answer ...
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Google Map API v3 — set bounds and center

...rkers from an array, however I do not know how to center and zoom automatically with respect to the markers. 6 Answers ...
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iOS 7 TableView like in Settings App on iPad

...lor = UIColor.clearColor; CAShapeLayer *layer = [[CAShapeLayer alloc] init]; CGMutablePathRef pathRef = CGPathCreateMutable(); CGRect bounds = CGRectInset(cell.bounds, 10, 0); BOOL addLine = NO; if (indexPath.row == 0 && indexPath.r...
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How to check for null in Twig?

... Notice: as Twig 2.x check for variable is equal to value like is_ sameas must be {% if var is same as(false) %} not {% if var is sameas(false) %} see Doc url => twig.symfony.com/doc/2.x/tests/sameas.html – ahmed hamdy Jul 15 '19 at 17:01 ...
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How can I change the table names when using ASP.NET Identity?

... p.Id).HasColumnName("User_Id"); or simply the below if you want to keep all the standard column names: modelBuilder.Entity<IdentityUser>() .ToTable("Users", "dbo") Full example below (this should be in your IdentityModel.cs file) i changed my ApplicationUser class...
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Error in exception handler. - Laravel

It's a Laravel-install related question. I have a public-facing Unix server setup: 6 Answers ...