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Search and replace in bash using regular expressions
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Use sed:
MYVAR=ho02123ware38384you443d34o3434ingtod38384day
echo "$MYVAR" | sed -e 's/[a-zA-Z]/X/g' -e 's/[0-9]/N/g'
# prints XXNNNNNXXXXNNNNNXXXNNNXNNXNNNNXXXXXXNNNNNXXX
Note that the subsequent -e's are processed in order. Also, the g fla...
Limit ggplot2 axes without removing data (outside limits): zoom
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172
Hadley explains this on pp. 99; 133 of his ggplot2 book (1st edition), or pp. 160 - 161 if you h...
Exporting data In SQL Server as INSERT INTO
I am using SQL Server 2008 Management Studio and have a table I want to migrate to a different db server.
11 Answers
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How to show only next line after the matched one?
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12 Answers
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std::string length() and size() member functions
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edited Apr 23 '13 at 19:44
user283145
answered May 25 '09 at 5:53
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How can I increment a char?
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In Python 2.x, just use the ord and chr functions:
>>> ord('c')
99
>>> ord('c') + 1
100
>>> chr(ord('c') + 1)
'd'
>>>
Python 3.x makes this more organized and interesting, due to its clear distin...
How do I draw a grid onto a plot in Python?
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223
You want to use pyplot.grid:
x = numpy.arange(0, 1, 0.05)
y = numpy.power(x, 2)
fig = plt.fi...
Is there a way to give a specific file name when saving a file via cURL?
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2 Answers
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Apache is downloading php files instead of displaying them
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26 Answers
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Decimal precision and scale in EF Code First
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The answer from Dave Van den Eynde is now out of date. There are 2 important changes, from EF...