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What's the difference between `1L` and `1`?
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So, @James and @Brian explained what 3L means. But why would you use it?
Most of the time it makes no difference - but sometimes you can use it to get your code to run faster and consume less memory. A double ("numeric") vector uses 8 bytes per element. An integer vector uses only 4 bytes pe...
Use gulp to select and move directories and their files
...he appropriate files to the clean directory. I would like this to be done with gulp because I am not sure the script would work on a non *nix file system.
So far, I'm using the gulp-clean module to clean the dist/ directory but when I try to move the required directories and their files to the d...
Use a URL to link to a Google map with a marker on it
I want to link to google maps at a particular location with a marker on a particular point.
5 Answers
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Difference between Eclipse Europa, Helios, Galileo
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The Eclipse (software) page on Wikipedia summarizes it pretty well:
Releases
Since 2006, the Eclipse Foundation has coordinated an annual Simultaneous Release. Each release includes the Eclipse Platform as well as a number of other Eclipse projects. Until the Galileo ...
In an array of objects, fastest way to find the index of an object whose attributes match a search
I've been surfing around a little trying to find an efficient way to do this, but have gotten nowhere. I have an array of objects that looks like this:
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How to get the mysql table columns data type?
...would agree this answer does do what the OP intended to. On a side note a bit weird on how "table_name" is small caps even in the manual, should it not be UPPER? (Not that it makes a difference)
– chutsu
Jun 13 '12 at 12:59
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Parsing IPv6 extension headers containing unknown extensions
I'm writing a very simple net filter, and getting to where I want to parse IPv6 headers to match things like ICMPv6 types, TCP/UDP port numbers, etc.
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What is the most efficient way to store a list in the Django models?
...follow
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edited Feb 17 '17 at 13:19
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answered Jul 10 '09 at ...
Find difference between timestamps in seconds in PostgreSQL
I have a table in PostgreSQL 8.3 with 2 timestamp columns. I would like to get the difference between these timestamps in seconds. Could you please help me how to get this done?
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使用App Inventor扩展实现多点触控:Rotation Detector · App Inventor 2 中文网
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Using App Inventor extensions to implement multitouch: Rotation Detector
Xinyue Deng dengxinyue0420@gmail.com
DRAFT (March 6, 2016): Building extensions requires the App Inventor extensions capability, which is not yet incorporated into the App Inventor release. But ...
