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With MySQL, how can I generate a column containing the record index in a table?

...rt allows the variable initialization without requiring a separate SET command. Test case: CREATE TABLE league_girl (position int, username varchar(10), score int); INSERT INTO league_girl VALUES (1, 'a', 10); INSERT INTO league_girl VALUES (2, 'b', 25); INSERT INTO league_girl VALUES (3, 'c', 75)...
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Width equal to content [duplicate]

...n use: #container p { clear:both; float:left; } (If you use float and need to clear after floated elements, see this link for different techniques: http://css-tricks.com/all-about-floats/) Demo: http://jsfiddle.net/CvJ3W/5/ Edit If you go for the solution with display:inline-block but w...
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Python string prints as [u'String']

...duces Unicode. So you need to convert the list to a single unicode string, and then convert that to ASCII. I don't know exaxtly how you got the one-element lists; the contents member would be a list of strings and tags, which is apparently not what you have. Assuming that you really always get a li...
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Using :before CSS pseudo element to add image to modal

...class Modal which is absolutely positioned, z-indexed above it's parent, and nicely positioned with JQuery. I want to add a caret image (^) to the top of the modal box and was looking at using the :before CSS pseudo selector to do this cleanly. ...
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Adding a UILabel to a UIToolbar

...ll exists -- it's self.titleLabel. This example needs a property declared and synthesized for UILabel *titleLabel, but that code isn't shown. If you have access to the object (probably a UIViewController) that runs this code, you can access its titleLabel. E.g., you could add a method on the view...
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Appending a line to a file only if it does not already exist

... plain string https://linux.die.net/man/1/grep Edit: incorporated @cerin and @thijs-wouters suggestions. share | improve this answer | follow | ...
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Clone() vs Copy constructor- which is recommended in java [duplicate]

...l Object superclass since the Beta-release days of the Java compiler*; and it, like all ancient magic, requires the appropriate incantation to prevent the spell from unexpectedly backfiring Prefer a method that copies the object Foo copyFoo (Foo foo){ Foo f = new Foo(); //for all pr...
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LINQ To Entities does not recognize the method Last. Really?

...mes down to the fact that eventually it has to translate that query to SQL and SQL has a SELECT TOP (in T-SQL) but not a SELECT BOTTOM (no such thing). There is an easy way around it though, just order descending and then do a First(), which is what you did. EDIT: Other providers will possibly hav...
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Reload activity in Android

Is it a good practice to reload an Activity in Android ? 18 Answers 18 ...
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Copy folder structure (without files) from one location to another

... our multi-terabyte file server. I know that cp --parents can move a file and it's parent structure, but is there any way to copy the directory structure intact? ...