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HTML5 best practices; section/header/aside/article elements
There is enough information about HTML5 on the web (and also on stackoverflow), but now I'm curious about the "best practices". Tags like section/headers/article are new, and everyone has different opinions about when/where you should use these tags. So what do you guys think of the following layout...
Precise Financial Calculation in JavaScript. What Are the Gotchas?
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Daniel VassalloDaniel Vassallo
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Calculate difference between two datetimes in MySQL
... MySQL function. For example, you can use:
SELECT TIMESTAMPDIFF(SECOND, '2012-06-06 13:13:55', '2012-06-06 15:20:18')
In your case, the third parameter of TIMSTAMPDIFF function would be the current login time (NOW()). Second parameter would be the last login time, which is already in the database...
How to do an update + join in PostgreSQL?
...ion?
– ted.strauss
Apr 11 '12 at 19:01
11
@ted.strauss: The FROM can contain a list of tables.
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Generate colors between red and green for a power meter?
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Rafał DowgirdRafał Dowgird
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add a com...
Tar a directory, but don't store full absolute paths in the archive
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SHernandez
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answered Sep 8 '13 at 7:49
Lars BrinkhoffLars Brinkh...
Else clause on Python while statement
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arsars
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43
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How do I represent a time only value in .NET?
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John GJohn G
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20
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Serialize an object to string
...n="1.0" encoding="utf-16"?>
<UserData xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<UserId>0</UserId>
</UserData>
Better solution is to use JSON serialization (one of the best is Json.NET).
To serialize...
Virtual Memory Usage from Java under Linux, too much memory used
... but it's largely meaningless, and usually based on looking at the wrong information. The usual phrasing is something like "Hello World on Java takes 10 megabytes! Why does it need that?" Well, here's a way to make Hello World on a 64-bit JVM claim to take over 4 gigabytes ... at least by one form o...