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Rails raw SQL example

... all records need to show up at once, consider using pagination: https://www.ruby-toolbox.com/categories/pagination https://github.com/mislav/will_paginate If you need to paginate, consider creating a view in the DB first called payment_records which combines the payment_details and payment_erro...
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Use images instead of radio buttons

....4 sans-serif;} /* CUSTOM RADIO & CHECKBOXES http://stackoverflow.com/a/17541916/383904 */ .rad, .ckb{ cursor: pointer; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; } .rad > input, .ckb > input{ /* HIDE ORG RADIO & CHECKBOX */ position: abso...
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Invoking JavaScript code in an iframe from the parent page

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MySQL: Set user variable from result of query

...ise it will throw you a error in this type statements. refer this:- http://www.easysolutionweb.com/sql-pl-sql/how-to-assign-a-value-in-a-variable-in-mysql share | improve this answer | ...
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Get the (last part of) current directory name in C#

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UIRefreshControl on UICollectionView only works if the collection fills the height of the container

... Try this: self.collectionView.alwaysBounceVertical = YES; Complete code for a UIRefreshControl UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init]; refreshControl.tintColor = [UIColor grayColor]; [refreshControl addTarget:self action:@selector(refershControlAction) f...
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How do I automatically update a timestamp in PostgreSQL

...when the record is changed. This article explains it quite nicely: http://www.revsys.com/blog/2006/aug/04/automatically-updating-a-timestamp-column-in-postgresql/ CREATE OR REPLACE FUNCTION update_modified_column() RETURNS TRIGGER AS $$ BEGIN NEW.modified = now(); RETURN NEW; END; $...
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How do you remove all the options of a select box and then add one option and select it with jQuery?

... of checkboxes rather than one on change of dropdown but my checkboxes are coming from xml. this doesn't work – defau1t Jan 15 '12 at 11:32 11 ...
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Why does npm install say I have unmet dependencies?

...t is because the dependency resolution is a bit broken, see https://github.com/npm/npm/issues/1341#issuecomment-20634338 Following are the possible solution : Manually need to install the top-level modules, containing unmet dependencies: npm install findup-sync@0.1.2 Re-structure your package.jso...
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`date` command on OS X doesn't have ISO 8601 `-I` option?

In a Bash script, I want to print the current datetime in ISO 8601 format (preferably UTC), and it seems that this should be as simple as date -I : ...