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Is there a performance difference between CTE , Sub-Query, Temporary Table or Table Variable?
In this excellent SO question , differences between CTE and sub-queries were discussed.
4 Answers
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How to “warm-up” Entity Framework? When does it get “cold”?
... Entity Framework at anytime?
You can go for a mix of pregenerated views and static compiled queries.
Static CompiledQuerys are good because they're quick and easy to write and help increase performance. However with EF5 it isn't necessary to compile all your queries since EF will auto-compile qu...
Anything wrong with NOT signing a .NET assembly?
... from Microsoft that are not signed, he will take the source code, sign it and then ask other developers to use his copy instead.
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Iterate over each line in a string in PHP
...ts of the file into a textarea. I can easily differentiate between the two and put whichever one they entered into a string variable, but where do I go from there?
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Predicate in Java
... someone guide me to any tutorial or conceptual explanation of Predicate and its implementation in Java?
4 Answers
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What is the difference between isinstance('aaa', basestring) and isinstance('aaa', str)?
...ython versions prior to 3.0 there are two kinds of strings "plain strings" and "unicode strings". Plain strings (str) cannot represent characters outside of the Latin alphabet (ignoring details of code pages for simplicity). Unicode strings (unicode) can represent characters from any alphabet includ...
ViewPager.setOffscreenPageLimit(0) doesn't work as expected
...them, with the animated effect showing the old view sliding off the screen and the new view sliding onto the screen. You are welcome to try to write your own ViewPager that can swipe between things that do not exist. You can read more about this at code.google.com/p/android/issues/detail?id=56667#c3...
Update parent scope variable in AngularJS
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You need to use an object (not a primitive) in the parent scope and then you will be able to update it directly from the child scope
Parent:
app.controller('ctrlParent',function($scope){
$scope.parentprimitive = "someprimitive";
$scope.parentobj = {};
$scope.parentobj.parent...
Simple and fast method to compare images for similarity
I need a simple and fast way to compare two images for similarity. I.e. I want to get a high value if they contain exactly the same thing but may have some slightly different background and may be moved / resized by a few pixel.
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Fastest way to reset every value of std::vector to 0
...'s the fastest way to reset every value of a std::vector<int> to 0 and keeping the vectors initial size ?
6 Answer...