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AWK: Access captured group from line pattern
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answered Jun 2 '10 at 12:50
Peter TillemansPeter Tillemans
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How to get a vertical geom_vline to an x-axis of class date?
...a time series from and would like to draw a vertical line for years 1998, 2005 and 2010 for example. I tried with ggplot and qplot syntax, but still I either see no vertical line at all or the vertical line is drawn at the very first vertical grid and the whole series is shifted somewhat strange...
Plot two histograms on single chart with matplotlib
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from matplotlib import pyplot
x = [random.gauss(3,1) for _ in range(400)]
y = [random.gauss(4,2) for _ in range(400)]
bins = numpy.linspace(-10, 10, 100)
pyplot.hist(x, bins, alpha=0.5, label='x')
pyplot.hist(y, bins, alpha=0.5, label='y')
pyplot.legend(loc='upper right')
pyplot.show()
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SQL Server Escape an Underscore
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edited Jun 12 at 0:28
Pang
8,1981717 gold badges7373 silver badges111111 bronze badges
answered...
Python Regex - How to Get Positions and Values of Matches
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Herbert
4,08444 gold badges3131 silver badges5757 bronze badges
answered Oct 30 '08 at 14:15
Peter HoffmannPete...
How do you append to an already existing string?
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edited Feb 17 '17 at 10:23
lleaff
3,4451212 silver badges2222 bronze badges
answered Feb 12 '10 at 7...
In where shall I use isset() and !empty()
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FTA:
"isset() checks if a variable has a
value including (False, 0 or empty
string), but not NULL. Returns TRUE
if var exists; FALSE otherwise.
On the other hand the empty() function
checks if the variable has an empty
value empty string, 0, NULL or
False. Returns FALSE if v...
Turn off constraints temporarily (MS SQL)
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You can disable FK and CHECK constraints only in SQL 2005+. See ALTER TABLE
ALTER TABLE foo NOCHECK CONSTRAINT ALL
or
ALTER TABLE foo NOCHECK CONSTRAINT CK_foo_column
Primary keys and unique constraints can not be disabled, but this should be OK if I've understood you corr...
Where is the itoa function in Linux?
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102
EDIT: Sorry, I should have remembered that this machine is decidedly non-standard, having plugg...
How can I format a decimal to always show 2 decimal places?
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108
I suppose you're probably using the Decimal() objects from the decimal module? (If you need exa...