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Most common way of writing a HTML table with vertical headers?

...in a table should contain an equal number of columns (TD). Your header has 1 while the body has 3. You should use the colspan attribute to fix that. Reference: "The THEAD, TFOOT, and TBODY sections must contain the same number of columns." - Last paragraph of section 11.2.3. With that being said, ...
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When should I use a composite index?

... 112 You should use a composite index when you are using queries that benefit from it. A composite ...
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Data structure for loaded dice?

... 119 You are looking for the alias method which provides a O(1) method for generating a fixed discr...
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What do 'real', 'user' and 'sys' mean in the output of time(1)?

... 2130 Real, User and Sys process time statistics One of these things is not like the other. Real r...
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Hash Map in Python

...dictionary is a built-in type that supports key-value pairs. streetno = {"1": "Sachin Tendulkar", "2": "Dravid", "3": "Sehwag", "4": "Laxman", "5": "Kohli"} as well as using the dict keyword: streetno = dict({"1": "Sachin Tendulkar", "2": "Dravid"}) or: streetno = {} streetno["1"] = "Sachin ...
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Converting a string to a date in JavaScript

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Is it possible to specify condition in Count()?

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What does “Splats” mean in the CoffeeScript tutorial?

... 199 The term "splat operator" comes from Ruby, where the * character (sometimes called the "splat"...
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What's the bad magic number error?

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How to convert a factor to integer\numeric without loss of information?

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