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Is recursion ever faster than looping?
I know that recursion is sometimes a lot cleaner than looping, and I'm not asking anything about when I should use recursion over iteration, I know there are lots of questions about that already.
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How do I limit the number of rows returned by an Oracle query after ordering?
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How can we get the LIMIT and OFFSET in Oracle 11G ?
– Pra_A
Jun 21 at 13:37
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Why would a JavaScript variable start with a dollar sign? [duplicate]
... dom object itself
I find this to be very helpful in writing jQuery code and makes it easy to see jQuery objects which have a different set of properties.
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Unable to generate an explicit migration in entity framework
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It tells you that there is some unprocessed migration in your application and it requires running Update-Database before you can add another migration.
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Lambda function in list comprehensions
...output of the following two list comprehensions different, even though f and the lambda function are the same?
6 Answer...
Is it possible to move/rename files in Git and maintain their history?
...h the commit, so whether you use git mv or mv doesn't matter.
The log command takes a --follow argument that continues history before a rename operation, i.e., it searches for similar content using the heuristics:
http://git-scm.com/docs/git-log
To lookup the full history, use the following comma...
How to delete a module in Android Studio
Is there a way to delete a module within Android Studio?
When I right click on a module I can't find an option for deletion, is it elsewhere?
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++someVariable vs. someVariable++ in JavaScript
... the value of the expression is the original value"
Now when used as a standalone statement, they mean the same thing:
x++;
++x;
The difference comes when you use the value of the expression elsewhere. For example:
x = 0;
y = array[x++]; // This will get array[0]
x = 0;
y = array[++x]; // Thi...
How to test an SQL Update statement before running it?
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In addition to using a transaction as Imad has said (which should be mandatory anyway) you can also do a sanity check which rows are affected by running a select using the same WHERE clause as the UPDATE.
So if you UPDATE is
UPDATE foo
SET bar = 42
WHERE col1 = 1
AND col2 = 'foobar';
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Need some clarification about beta/alpha testing on the developer console
The Android developer console has 3 tabs for publishing the app's apk file:
alpha, beta and production, as shown here:
4 An...