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What is the meaning of id?

I am (trying to) learn Objective-C and I keep coming across a phrase like: 5 Answers 5...
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Insert new column into table in sqlite?

...ty , rate . Now I need to add a new column COLNew in between the name and qty columns. How do I add a new column in between two columns? ...
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What is the 'cls' variable used for in Python classes?

... The distinction between "self" and "cls" is defined in PEP 8 . As Adrien said, this is not a mandatory. It's a coding style. PEP 8 says: Function and method arguments: Always use self for the first argument to instance methods. Always use cls for the firs...
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What's the use of session.flush() in Hibernate

...) I have class where I am saving object using code id = session.save(obj); and transaction is committed at very next line but obj is not getting saved to DB ,Why? 2) I saved obj using session.save(obj); with commit and while returning I used return obj.getprimaryID(); In this case obj is saved to DB...
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Python - Create a list with initial capacity

...i]= message return result Results. (evaluate each function 144 times and average the duration) simple append 0.0102 pre-allocate 0.0098 Conclusion. It barely matters. Premature optimization is the root of all evil. ...
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Calling a function every 60 seconds

...nction, delay) That fires the function passed in as first parameter over and over. A better approach is, to use setTimeout along with a self-executing anonymous function: (function(){ // do some stuff setTimeout(arguments.callee, 60000); })(); that guarantees, that the next call is not...
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One-liner to recursively list directories in Ruby?

... What about hidden files and directories? – alediaferia Aug 30 '12 at 10:20 6 ...
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How do I make an Android EditView 'Done' button and hide the keyboard when clicked?

When the user clicks on the EditView , Android opens the keyboard so that user can write in the EditView . 17 Answers ...
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Font from origin has been blocked from loading by Cross-Origin Resource Sharing policy

...r page in say Safari (which at present doesn't do CORS checking for fonts) and Firefox (that does) to double check this is the problem described. See Stack overflow answer on Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading for the Amazon S3 CORS details. NB in...
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Is it possible to set transparency in CSS3 box-shadow?

...ose rgba() would work here. After all, browser support for both box-shadow and rgba() is roughly the same. /* 50% black box shadow */ box-shadow: 10px 10px 10px rgba(0, 0, 0, 0.5); div { width: 200px; height: 50px; line-height: 50px; text-align: center; color: white; ...