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Returning a C string from a function
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Memory:
This means that a string like "my string" actually uses 9+1 (=10!) bytes. This is important to know when you finally get around to allocating strings dynamically.
So, without this 'terminating zero', you don't have a string. You have an array of characters (also called a buffer) hanging...
Which characters need to be escaped when using Bash?
...readable version of 2
There's an easy safe set of characters, like [a-zA-Z0-9,._+:@%/-], which can be left unescaped to keep it more readable
I\'m\ a\ s@fe\ \$tring\ which\ ends\ in\ newline"
"
sed command: LC_ALL=C sed -e 's/[^a-zA-Z0-9,._+@%/-]/\\&/g; 1{$s/^$/""/}; 1!s/^/"/; $!s/$/"/'.
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Soft hyphen in HTML ( vs. ­)
... soft hyphens in HTML right now. See what you can do to go without them.
2013 edit: According to QuirksMode, ­ now works/is supported on all major browsers.
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Scale image to fit a bounding box
...to do this in both directions. You could add
.fillwidth {
min-width: 100%;
height: auto;
}
To the an element to always have it 100% width and automatically scale the height to the aspect ratio, or the inverse:
.fillheight {
min-height: 100%;
width: auto;
}
to always scale to ...
Equivalent of “throw” in R
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answered Oct 22 '09 at 15:48
Dirk EddelbuettelDirk Eddelbuettel
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Choose between ExecutorService's submit and ExecutorService's execute
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204
There is a difference concerning exception/error handling.
A task queued with execute() that g...
Find number of months between two Dates in Ruby on Rails
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180
(date2.year * 12 + date2.month) - (date1.year * 12 + date1.month)
more info at http://www.ruby...
converting Java bitmap to byte array
...ook at the buffer after the call to copyPixelsToBuffer the bytes are all 0... The bitmap returned from the camera is immutable... but that shouldn't matter since it's doing a copy.
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How to access and test an internal (non-exports) function in a node.js module?
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edited Sep 11 at 10:40
Tomasz Smykowski
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Output first 100 characters in a string
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print my_string[0:100]
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