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MySQL - why not index every field?

Recently I've learned the wonder of indexes, and performance has improved dramatically. However, with all I've learned, I can't seem to find the answer to this question. ...
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Add .gitignore to gitignore

... to prevent everyone who collaborates on a project from accidentally commiting some common files in a project, such as generated cache files. Therefore you should not ignore .gitignore, since it's supposed to be included in the repository. If you want to ignore files in just one repository but want...
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How is the “greater than” or “>” character used in CSS?

I have seen this character a number of times in CSS files but I have no idea how its used. Can anyone explain it to me and show how they are useful in making a page style easier? ...
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jQuery 1.9 .live() is not a function

...jQuery from 1.8 to 2.1. I suddenly discovered that the .live() stops working. I get the error TypeError: $(...).live is not a function . ...
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Sass and combined child selector

... Without the combined child selector you would probably do something similar to this: foo { bar { baz { color: red; } } } If you want to reproduce the same syntax with >, you could to this: foo { > bar { >...
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Create a menu Bar in WPF?

I want to create a menu bar identical to the one in windows forms in my WPF application. 4 Answers ...
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How to do a join in linq to sql with method syntax?

I have seen lots of examples in LINQ to SQL examples on how to do a join in query syntax but I am wondering how to do it with method syntax? For example how might I do the following ...
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Zero-pad digits in string

I need to cast single figures (1 to 9) to (01 to 09). I can think of a way but its big and ugly and cumbersome. I'm sure there must be some concise way. Any Suggestions ...
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How to turn off word wrapping in HTML?

I feel silly for not being able to figure this out, but how do I turn off wordwrap? the css word-wrap property can be forced on with break-word , but cannot be forced off (only can be left alone with normal value). ...
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Insert text with single quotes in PostgreSQL

... String literals Escaping single quotes ' by doubling them up -> '' is the standard way and works of course: 'user's log' -- incorrect syntax (unbalanced quote) 'user''s log' In old versions or if you still run with sta...