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Using :before and :after CSS selector to insert Html [duplicate]

.... Another problem with your code is " inside a " block. You should mix ' and " (class='headingDetail'). If content did support HTML you could end up in an infinite loop where content is added inside content. share ...
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How to add not null constraint to existing column in MySQL

... Just use an ALTER TABLE... MODIFY... query and add NOT NULL into your existing column definition. For example: ALTER TABLE Person MODIFY P_Id INT(11) NOT NULL; A word of caution: you need to specify the full column definition again when using a MODIFY query. If you...
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Only mkdir if it does not exist [duplicate]

...conditions in concurrent execution. So, depending on what your script does and in which environment it lives the first option given is this answer should be preferred. Also, you could just mkdir product 2>/dev/null and not care. – user1129682 Sep 4 '13 at 20...
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CS0120: An object reference is required for the nonstatic field, method, or property 'foo'

... For this case, where you want to get a Control of a Form and are receiving this error, then I have a little bypass for you. Go to your Program.cs and change Application.Run(new Form1()); to public static Form1 form1 = new Form1(); // Place this var out of the constructor Appli...
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How do I keep CSS floats in one line?

... This may work with divs, but I just tested it with ul/li and it doesn't work :( – AsGoodAsItGets Aug 28 '14 at 14:59  |  sho...
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How to add reference to a method parameter in javadoc?

...;/code> * argument is the index of the first character of the subarray and * the <code>count</code> argument specifies the length of the * subarray. The contents of the subarray are copied; subsequent * modification of the character array does not affect the newly * created strin...
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The import org.junit cannot be resolved

I need to solve a java problem for an interview, and they have sent me the test class. It starts with 13 Answers ...
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How does Haskell printf work?

...a simplified version which takes any number of arguments in the Show class and just prints them: {-# LANGUAGE FlexibleInstances #-} foo :: FooType a => a foo = bar (return ()) class FooType a where bar :: IO () -> a instance FooType (IO ()) where bar = id instance (Show x, FooType...
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Using a custom typeface in Android

I want to use a custom font for my android application which I am creating. I can individually change the typeface of each object from Code, but I have hundreds of them. ...
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Looping through the content of a file in Bash

... effects of trimming leading whitespace, interpreting backslash sequences, and skipping the last line if it's missing a terminating linefeed. If these are concerns, you can do: while IFS="" read -r p || [ -n "$p" ] do printf '%s\n' "$p" done < peptides.txt Exceptionally, if the loop body m...