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Reading binary file and looping over each byte
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Python 2.4 and Earlier
f = open("myfile", "rb")
try:
byte = f.read(1)
while byte != "":
# Do stuff with byte.
byte = f.read(1)
finally:
f.close()
Python 2.5-2.7
with open("myfile", "rb") as f:
byte ...
Recommended method for escaping HTML in Java
...ion 3:
import static org.apache.commons.lang3.StringEscapeUtils.escapeHtml4;
// ...
String escaped = escapeHtml4(source);
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Most Useful Attributes [closed]
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edited Jan 14 '19 at 18:26
community wiki
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Starting iPhone app development in Linux? [closed]
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answered May 29 '09 at 0:46
ChaosChaos
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Determine installed PowerShell version
...ble.PSVersion
Major Minor Build Revision
----- ----- ----- --------
4 0 -1 -1
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Undefined reference to vtable
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431
The GCC FAQ has an entry on it:
The solution is to ensure that all virtual methods that are n...
CSS text-decoration underline color [duplicate]
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4 Answers
4
Active
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An efficient way to transpose a file in Bash
...];
}
print str
}
}' file
output
$ more file
0 1 2
3 4 5
6 7 8
9 10 11
$ ./shell.sh
0 3 6 9
1 4 7 10
2 5 8 11
Performance against Perl solution by Jonathan on a 10000 lines file
$ head -5 file
1 0 1 2
2 3 4 5
3 6 7 8
4 9 10 11
1 0 1 2
$ wc -l < file
10000
$ time perl ...
Getting LaTeX into R Plots
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48
Here's an example using ggplot2:
q <- qplot(cty, hwy, data = mpg, colour = displ)
q + xlab(...
What is the difference between RegExp’s exec() function and String’s match() function?
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Ry-♦Ry-
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