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What is the difference between Scope_Identity(), Identity(), @@Identity, and Ident_Current()?

I know Scope_Identity() , Identity() , @@Identity , and Ident_Current() all get the value of the identity column, but I would love to know the difference. ...
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Writing your own STL Container

... Code is runnable out of the box. #include <iostream> #include <string> #include <vector> template<typename T> struct It { std::vector<T>& vec_; int pointer_; It(std::vector<T>& vec) : vec_{vec}, pointer_{0} {} It(std::vector<T>&...
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How to convert from System.Enum to base integer?

...responding integer value, without casting and preferably without parsing a string. 8 Answers ...
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How do I force Postgres to use a particular index?

...on "index hinting" feature found in many databases, PostgreSQL doesn't provide such a feature. This was a conscious decision made by the PostgreSQL team. A good overview of why and what you can do instead can be found here. The reasons are basically that it's a performance hack that tends to cause m...
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Shell command to sum integers, one per line?

...rz1<rp does the following: [ interpret everything to the next ] as a string + push two values off the stack, add them and push the result z push the current stack depth 1 push one <r pop two values and execute register r if the original top-of-stack (1) is smaller ] e...
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How to style the parent element when hovering a child element?

...ty to use these cascading characteristics to reach the desired effect. Consider this pseudo markup: <parent> <sibling></sibling> <child></child> </parent> The trick is to give the sibling the same size and position as the parent and to style the sibling...
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How can I tell when a MySQL table was last updated?

...e is an unreliable indicator of modification time. – idoimaging Sep 25 '12 at 21:49 5 Again, does...
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Difference between final and effectively final

...umberLength; // <== not *final* class PhoneNumber { PhoneNumber(String phoneNumber) { numberLength = 7; // <== assignment to numberLength String currentNumber = phoneNumber.replaceAll( regularExpression, ""); if (currentNumber.length() == numberLen...
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How to make RatingBar to show five stars

... to add a RatingBar . To control the number of stars I tried to use android:numStars="5" . The problem is that the number of stars doesn't seem to do anything at all. In portrait-layout I get 6 stars and when I flip the phone I get about 10 stars. I tried to set the number of stars in my Activity ...
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how to deal with google map inside of a hidden div (Updated picture)

i have a page and a google map is inside a hidden div at first. I then show the div after i click a link but only the top left of the map shows up. ...