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Returning JSON from PHP to JavaScript?

...d through jQuery AJAX. I want the PHP script to return the data in JSON format to the javascript. Here's the pseudo code in the PHP script: ...
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Django: Why do some model fields clash with each other?

I want to create an object that contains 2 links to Users. For example: 6 Answers 6 ...
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Print array to a file

...var_export or set print_r to return the output instead of printing it. Example from PHP manual $b = array ( 'm' => 'monkey', 'foo' => 'bar', 'x' => array ('x', 'y', 'z')); $results = print_r($b, true); // $results now contains output from print_r You can then save $result...
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How do I automatically sort a has_many relationship in Rails?

This seems like a really simple question but I haven't seen it answered anywhere. 5 Answers ...
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How to intercept touches events on a MKMapView or UIWebView objects?

I'm not sure what I am doing wrong but I try to catch touches on a MKMapView object. I subclassed it by creating the following class : ...
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Postgres: “ERROR: cached plan must not change result type”

This exception is being thrown by the PostgreSQL 8.3.7 server to my application. Does anyone know what this error means and what I can do about it? ...
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Using Sinatra for larger projects via multiple files

It seems that in Sinatra all route handlers are being written into a single file, if I understand right it acts as a one large/small controller. Is there any way to split it into separate independent files, so when let's say somebody calls "/" - one action is executed, and if smth like "/posts/2" is...
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How to stop a JavaScript for loop?

I'm using this JavaScript to iterate through an array and find a matching array element: 4 Answers ...
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Why should eval be avoided in Bash, and what should I use instead?

Time and time again, I see Bash answers on Stack Overflow using eval and the answers get bashed, pun intended, for the use of such an "evil" construct. Why is eval so evil? ...
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Can I make 'git diff' only the line numbers AND changed file names?

This question calls for "line numbers", if you do not care about line numbers in the output see this question and answer. 1...