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CSS background opacity with rgba not working in IE 8

I am using this CSS for background opacity of a <div> : 15 Answers 15 ...
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SQL Server add auto increment primary key to existing table

As the title, I have an existing table which is already populated with 150000 records. I have added an Id column (which is currently null). ...
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How to fix HTTP 404 on Github Pages?

Here is my GitHub repository on the gh-pages branch. Everything looks good, I have my index.html , my CSS, JS and pictures folders. ...
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How to find memory leak in a C++ code/project?

...ory only if you've deleted. In the code below, str acquires a new address with the second allocation. The first address is lost irretrievably, and so are the 30 bytes that it pointed to. Now they're impossible to free, and you have a memory leak: char* str = new char [30]; // Give str a memory addr...
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Is a view faster than a simple query?

...ueries. Update: At least three people have voted me down on this one. With all due respect, I think that they are just wrong; Microsoft's own documentation makes it very clear that Views can improve performance. First, simple views are expanded in place and so do not directly contribute to perf...
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Flushing footer to bottom of the page, twitter bootstrap

I am generally familiar with the technique of flushing a footer using css. 34 Answers ...
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Why can I add named properties to an array as if it were an object?

... javascript is an object, so you can "abuse" an Array object by setting arbitrary properties on it. This should be considered harmful though. Arrays are for numerically indexed data - for non-numeric keys, use an Object. Here's a more concrete example why non-numeric keys don't "fit" an Array: var...
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What is sandboxing?

I have read the Wikipedia article , but I am not really sure what it means, and how similar it is to version control . 5...
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Schrödingers MySQL table: exists, yet it does not

...sue when the data file is missing in the data directory but the table definition file exists or vise-versa. If you're using innodb_file_per_table, check the data directory to make sure you have both an .frm file and .ibd file for the table in question. If it's MYISAM, there should be a .frm, .MYI an...
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Syntax behind sorted(key=lambda: …)

I don't quite understand the syntax behind the sorted() argument: 9 Answers 9 ...