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mongodb group values by multiple fields

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Setting an object to null vs Dispose()

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Catching error codes in a shell pipe

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What is the difference between Ruby 1.8 and Ruby 1.9

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Insert code into the page context using a content script

...ts, which was solved through sequential loading of scripts. The loading is based on Rob W's answer. function scriptFromFile(file) { var script = document.createElement("script"); script.src = chrome.extension.getURL(file); return script; } function scriptFromSource(source) { var sc...
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Reading output of a command into an array in Bash

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Tying in to Django Admin's Model History

...ly hacked in some logging to an "update" view for our server inventory database. I figured I would share my "example" code. The function which follows takes one of our "Server" objects, a list of things which have been changed, and an action_flag of either ADDITION or CHANGE. It simplifies things...
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User Authentication in ASP.NET Web API

...uld have to secured resources controlled by the system. For example, a database management system might be designed so as to provide certain specified individuals with the ability to retrieve information from a database but not the ability to change data stored in the datbase, while giving other ind...
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git stash blunder: git stash pop and ended up with merge conflicts

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Why in Java 8 split sometimes removes empty strings at start of result array?

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