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Difference between attr_accessor and attr_accessible

In Rails, what is the difference between attr_accessor and attr_accessible ? From my understanding, using attr_accessor is used to create getter and setter methods for that variable, so that we can access the variable like Object.variable or Object.variable = some_value . ...
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Python: split a list based on a condition?

What's the best way, both aesthetically and from a performance perspective, to split a list of items into multiple lists based on a conditional? The equivalent of: ...
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BackgroundWorker vs background Thread

...a form that has an infinite (while(true)) loop. In this loop I use WaitHandle.WaitAny to keep the thread snoozing until something of interest happens. One of the event handles I wait on is a " StopThread " event so that I can break out of the loop. This event is signaled when from my overridden ...
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How can I tell PyCharm what type a parameter is expected to be?

When it comes to constructors, and assignments, and method calls, the PyCharm IDE is pretty good at analyzing my source code and figuring out what type each variable should be. I like it when it's right, because it gives me good code-completion and parameter info, and it gives me warnings if I try t...
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How to convert a string to an integer in JavaScript?

...k for you, then there are the parseInt, unary plus, parseFloat with floor, and Math.round methods. parseInt: var x = parseInt("1000", 10); // you want to use radix 10 // so you get a decimal number even with a leading 0 and an old browser ([IE8, Firefox 20, Chrome 22 and older][1]) unary plu...
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How do you truncate all tables in a database using TSQL?

... EXEC sp_MSForEachTable 'TRUNCATE TABLE ?' Couple more links for 2000 and 2005/2008.. share | improve this answer | follow | ...
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How do RVM and rbenv actually work?

I am interested in how RVM and rbenv actually work. 5 Answers 5 ...
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GitHub: How to make a fork of public repository private?

...ers are correct but don't mention how to sync code between the public repo and the fork. Here is the full workflow (we've done this before open sourcing React Native): First, duplicate the repo as others said (details here): Create a new repo (let's call it private-repo) via the Github UI. Then...
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Check if table exists and if it doesn't exist, create it in SQL Server 2008

...LECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[YourTable]') AND type in (N'U')) BEGIN CREATE TABLE [dbo].[YourTable]( .... .... .... ) END share | improve this answer ...
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How do you render primitives as wireframes in OpenGL?

... glPolygonMode( GL_FRONT_AND_BACK, GL_LINE ); to switch on, glPolygonMode( GL_FRONT_AND_BACK, GL_FILL ); to go back to normal. Note that things like texture-mapping and lighting will still be applied to the wireframe lines if they're enabled, w...