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Difference between VARCHAR and TEXT in MySQL [duplicate]
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VARCHAR(M)
variable max size of M characters
M needs to be between 1 and 65535
takes 1 + c bytes (for M ≤ 255) or 2 + c (for 256 ≤ M ≤ 65535) bytes of disk space where c is the length of the stored string
can be part of an index
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TEXT has a fixed max size of 2¹⁶-1 = 6...
How to monitor the memory usage of Node.js?
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answered Nov 16 '13 at 12:55
DamodaranDamodaran
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subtle differences between JavaScript and Lua [closed]
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189
Some more differences:
Lua has native support for coroutines.
UPDATE: JS now contains the ...
“Diff” an image using ImageMagick
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My own favorites are these two:
compare image1 image2 -compose src diff.png
compare image1 image2 -compose src diff.pdf
The only difference between the 2 commands above: the first one shows the visual difference between the two images as a PNG file, the second one as...
Get record counts for all tables in MySQL database
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19 Answers
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How to execute a raw update sql with dynamic binding in rails
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102
It doesn't look like the Rails API exposes methods to do this generically. You could try acces...
Change first commit of project with Git? [duplicate]
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+100
As mentioned by ecdpalma below, git 1.7.12+ (August 2012) has enhanced the option --root for git rebase:
"git rebase [-i] --root $t...
Why use softmax as opposed to standard normalization?
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170
There is one nice attribute of Softmax as compared with standard normalisation.
It react to ...
jQuery / Javascript - How do I convert a pixel value (20px) to a number value (20)
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185
No jQuery required for this, Plain Ol' JS (tm) will do ya,
parseInt(a, 10);
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