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How to get Linux console window width in Python
...mns = os.popen('stty size', 'r').read().split()
uses the 'stty size' command which according to a thread on the python mailing list is reasonably universal on linux. It opens the 'stty size' command as a file, 'reads' from it, and uses a simple string split to separate the coordinates.
Unlike the...
How to ignore files which are in repository?
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@Nimbus147: it shouldn't be an issue, and any changes on that file will still be ignored (ie not added/committed).
– VonC
Aug 29 '11 at 16:57
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How to check if a stored procedure exists before creating it
...e clients might already have the stored procedure upon running the script, and some may not. I need to have the missing stored procedures added to the client database, but it doesn't matter how much I try to bend T-SQL syntax, I get
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Garbage collector in Android
I have seen many Android answers that suggest calling the garbage collector in some situations.
11 Answers
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CABasicAnimation resets to initial value after animation completes
I am rotating a CALayer and trying to stop it at its final position after animation is completed.
15 Answers
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How do I put an 'if clause' in an SQL string?
...rder_status = 'COMPLETED'
WHERE purchaseOrder_ID = '@purchaseOrder_ID' and
not exists (SELECT *
FROM itemsOrdered WHERE purchaseOrder_ID = '@purchaseOrdered_ID' AND status = 'PENDING'
)
However, I might guess that you are looping at a higher...
Check if a value is an object in JavaScript
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UPDATE:
This answer is incomplete and gives misleading results. For example, null is also considered of type object in JavaScript, not to mention several other edge cases. Follow the recommendation below and move on to other "most upvoted (and correct!) answe...
Why does Java's Arrays.sort method use two different sorting algorithms for different types?
Java 6's Arrays.sort method uses Quicksort for arrays of primitives and merge sort for arrays of objects. I believe that most of time Quicksort is faster than merge sort and costs less memory. My experiments support that, although both algorithms are O(n log(n)). So why are different algorithms us...
How does Java Garbage Collection work with Circular References?
From my understanding, garbage collection in Java cleans up some objects if nothing else is 'pointing' to that object.
8 An...
When a 'blur' event occurs, how can I find out which element focus went *to*?
...work for focus changes caused by tabbing through fields with the keyboard, and does not work at all in Chrome or Safari. The big problem with using activeElement (except in IE) is that it is not consistently updated until after the blur event has been processed, and may have no valid value at all du...