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How to do exponentiation in clojure?
... (* x x))]
(cond (zero? n) 1
(even? n) (square (exp-s x (/ n 2)))
:else (* x (exp-s x (dec n))))))
library
(require 'clojure.contrib.math)
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How do you check in python whether a string contains only numbers?
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251
You'll want to use the isdigit method on your str object:
if len(isbn) == 10 and isbn.isdigit(...
Use of *args and **kwargs [duplicate]
...>> print_everything('apple', 'banana', 'cabbage')
0. apple
1. banana
2. cabbage
Similarly, **kwargs allows you to handle named arguments that you have not defined in advance:
>>> def table_things(**kwargs):
... for name, value in kwargs.items():
... print( '{0} = {1}'.f...
Interpolating a string into a regex
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274
Same as string insertion.
if goo =~ /#{Regexp.quote(foo)}/
#...
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Flushing footer to bottom of the page, twitter bootstrap
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how to reference a YAML “setting” from elsewhere in the same YAML file?
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answered Jan 14 '10 at 11:32
vavavava
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Plot logarithmic axes with matplotlib in python
... = [pow(10, i) for i in range(10)]
fig = plt.figure()
ax = fig.add_subplot(2, 1, 1)
line, = ax.plot(a, color='blue', lw=2)
ax.set_yscale('log')
pylab.show()
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How to kill all processes matching a name?
...ed.
Which means, for example, if we see these lines in ps aux:
apache 24268 0.0 2.6 388152 27116 ? S Jun13 0:10 /usr/sbin/httpd
apache 24272 0.0 2.6 387944 27104 ? S Jun13 0:09 /usr/sbin/httpd
apache 24319 0.0 2.6 387884 27316 ? S Jun15 0:04 /usr/sb...