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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}
;;
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How is the default max Java heap size determined?
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10 Answers
10
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Function to calculate distance between two coordinates
...g to Google Maps, the distance between these coordinates (from 59.3293371,13.4877472 to 59.3225525,13.4619422 ) are 2.2 kilometres while the function returns 1.6 kilometres. How can I make this function return the correct distance?
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How to get numbers after decimal point?
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An easy approach for you:
number_dec = str(number-int(number))[1:]
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Are +0 and -0 the same?
Reading through the ECMAScript 5.1 specification , +0 and -0 are distinguished.
9 Answers
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How to set -source 1.7 in Android Studio and Gradle
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Java 7 support was added at build tools 19. You can now use features like the diamond operator, multi-catch, try-with-resources, strings in switches, etc. Add the following to your build.gradle.
android {
compileSdkVersion 19
buildToolsVersion "19.0.0"
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CSS I want a div to be on top of everything
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122
In order for z-index to work, you'll need to give the element a position:absolute or a positio...
Checking if sys.argv[x] is defined
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edited Nov 3 '17 at 13:12
answered Mar 24 '11 at 18:17
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What is the difference between Python's list methods append and extend?
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append: Appends object at the end.
x = [1, 2, 3]
x.append([4, 5])
print (x)
gives you: [1, 2, 3, [4, 5]]
extend: Extends list by appending elements from the iterable.
x = [1, 2, 3]
x.extend([4, 5])
print (x)
gives you: [1, 2, 3, 4, 5]
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