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Is there a naming convention for MySQL?

... I would say that first and foremost: be consistent. I reckon you are almost there with the conventions that you have outlined in your question. A couple of comments though: Points 1 and 2 are good I reckon. Point 3 - sadly this is not always pos...
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Re-raise exception with a different type and message, preserving existing information

I'm writing a module and want to have a unified exception hierarchy for the exceptions that it can raise (e.g. inheriting from a FooError abstract class for all the foo module's specific exceptions). This allows users of the module to catch those particular exceptions and handle them distinctly,...
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How to trigger event when a variable's value is changed?

...ever the value of a field is going to change. You can have your own EventHandler delegate or you can use the famous System.EventHandler delegate. Usually there's a pattern for this: Define a public event with an event handler delegate (that has an argument of type EventArgs). Define a protected ...
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Google Authenticator implementation in Python

... parameters: secret is a secret value known to server (the above script) and client (Google Authenticator, by providing it as password within application), intervals_no is the number incremeneted after each generation of the token (this should be probably resolved on the server by checking some fi...
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SQL - many-to-many table primary key

...ving a primary key on (col1,col2) is guaranteed unique (assuming your col1 and col2 values in the referenced tables are unique) and a separate index on (col2,col1) will catch those cases where the opposite order would execute faster. The surrogate is a waste of space. You won't need indexes on the ...
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RestSharp JSON Parameter Posting

I am trying to make a very basic REST call to my MVC 3 API and the parameters I pass in are not binding to the action method. ...
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what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?

... Following are the three commands which appears same but have minute differences hadoop fs {args} hadoop dfs {args} hdfs dfs {args} hadoop fs <args> FS relates to a generic file system which can point to any file systems like local, HDF...
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Check if an element is a child of a parent

... If you are only interested in the direct parent, and not other ancestors, you can just use parent(), and give it the selector, as in target.parent('div#hello'). Example: http://jsfiddle.net/6BX9n/ function fun(evt) { var target = $(evt.target); if (target.pare...
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Regex (grep) for multi-line search needed [duplicate]

...me followed by the word from . This select statement can span many lines and can contain tabs and newlines. 3 Answers ...
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Streaming a video file to an html5 video player with Node.js so that the video controls continue to

What is the right way to handle streaming a video file to an html5 video player with Node.js so that the video controls continue to work? ...