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Some questions about Automatic Reference Counting in iOS5 SDK

...k will be completed) for iOS 4.3. I just read about ARC in iOS 5, and basically I understood that we will never need to release and retain objects anymore. My questions are: ...
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Create an empty data.frame

I'm trying to initialize a data.frame without any rows. Basically, I want to specify the data types for each column and name them, but not have any rows created as a result. ...
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SQL Server NOLOCK and joins

...e are equivalent though for 2005 it is not the case: [SQL Server 2008 R2] All lock hints are propagated to all the tables and views that are accessed by the query plan, including tables and views referenced in a view. Also, SQL Server performs the corresponding lock consistency checks. [SQL Server ...
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How to declare a global variable in a .js file

I need a few global variables that I need in all .js files. 5 Answers 5 ...
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How to make join queries using Sequelize on Node.js

...ok a bit complicated compared to what you posted, but what it does is basically just aliasing all columns of the users table to make sure they are placed into the correct model when returned and not mixed up with the posts model Other than that you'll notice that it does a JOIN instead of selecting...
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How to wait for a number of threads to complete?

What is a way to simply wait for all threaded process to finish? For example, let's say I have: 13 Answers ...
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How to make overlay control above all other controls?

I need to make a control appear above all other controls, so it will partially overlay them. 6 Answers ...
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Completely uninstall PostgreSQL 9.0.4 from Mac OSX Lion?

This question may look like a duplicate of: How to uninstall postgresql on my Mac (running Snow Leopard) however, there are two major differences. I'm running Lion and I'm trying to uninstall PostgreSQL 9.0.4. I've looked at the last question and the link that it referenced, but I did not find a f...
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How can I print literal curly-brace characters in python string and also use .format on it?

... The OP wrote this comment: I was trying to format a small JSON for some purposes, like this: '{"all": false, "selected": "{}"}'.format(data) to get something like {"all": false, "selected": "1,2"} It's pretty common that the "escaping braces" issue comes up when dealing with J...
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“document.getElementByClass is not a function”

...t a function in older browsers, though, in which case you can provide a fallback implementation if you need to support those older browsers. share | improve this answer | f...