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Check if table exists without using “select from”
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17 Answers
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Matplotlib discrete colorbar
...t matplotlib as mpl
import matplotlib.pylab as plt
fig, ax = plt.subplots(1, 1, figsize=(6, 6)) # setup the plot
x = np.random.rand(20) # define the data
y = np.random.rand(20) # define the data
tag = np.random.randint(0, 20, 20)
tag[10:12] = 0 # make sure there are some 0 values to show up as...
CodeIgniter removing index.php from url
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31 Answers
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py2exe - generate single executable file
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106
PyInstaller will create a single .exe file with no dependencies; use the --onefile option. It ...
An example of how to use getopts in bash
...in/bash
usage() { echo "Usage: $0 [-s <45|90>] [-p <string>]" 1>&2; exit 1; }
while getopts ":s:p:" o; do
case "${o}" in
s)
s=${OPTARG}
((s == 45 || s == 90)) || usage
;;
p)
p=${OPTARG}
;;
*)...
O(nlogn) Algorithm - Find three evenly spaced ones within binary string
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Problems with lib-icu dependency when installing Symfony 2.3.x via Composer
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118
update your php-intl extension, that's where the icu error comes from!
sudo aptitude install ...
sys.argv[1] meaning in script
... (In reference to my example below) in simplified terms what the sys.argv[1] represents. Is it simply asking for an input?
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Convert the values in a column into row names in an existing data frame
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138
This should do:
samp2 <- samp[,-1]
rownames(samp2) <- samp[,1]
So in short, no there ...