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Check if table exists without using “select from”
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17 Answers
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How to find the sum of an array of numbers
Given an array [1, 2, 3, 4] , how can I find the sum of its elements? (In this case, the sum would be 10 .)
43 Answers
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How to list the size of each file and directory and sort by descending size in Bash?
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How can I do an asc and desc sort using underscore.js?
...can use .sortBy, it will always return an ascending list:
_.sortBy([2, 3, 1], function(num) {
return num;
}); // [1, 2, 3]
But you can use the .reverse method to get it descending:
var array = _.sortBy([2, 3, 1], function(num) {
return num;
});
console.log(array); // [1, 2, 3]
console.l...
Ruby, remove last N characters from a string?
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13 Answers
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CodeIgniter removing index.php from url
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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 ...
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...
py2exe - generate single executable file
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PyInstaller will create a single .exe file with no dependencies; use the --onefile option. It ...
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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