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How do I tell if a regular file does not exist in Bash?
I've used the following script to see if a file exists:
20 Answers
20
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How to determine if a number is odd in JavaScript
Can anyone point me to some code to determine if a number in JavaScript is even or odd?
27 Answers
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Determining if a variable is within range?
...
if i.between?(1, 10)
do thing 1
elsif i.between?(11,20)
do thing 2
...
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Python list subtraction operation
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Use a list comprehension:
[item for item in x if item not in y]
If you want to use the - infix syntax, you can just do:
class MyList(list):
def __init__(self, *args):
super(MyList, self).__init__(args)
def __sub__(self, other):
return self.__c...
finding and replacing elements in a list
...2, 3, 4, 5, 1, 2, 3, 4, 5, 1]
>>> for n, i in enumerate(a):
... if i == 1:
... a[n] = 10
...
>>> a
[10, 2, 3, 4, 5, 10, 2, 3, 4, 5, 10]
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Limit Decimal Places in Android EditText
...anage your finances. I'm using an EditText Field where the user can specify an amount of money.
37 Answers
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What are deferred objects?
...nd new feature. I have no idea how they work, and I think it would be good if StackOverflow had this question well explained for those who will ask about it in the future.
– user113716
Feb 1 '11 at 19:13
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How to convert an xml string to a dictionary?
...:
def __init__(self, aList):
for element in aList:
if element:
# treat like dict
if len(element) == 1 or element[0].tag != element[1].tag:
self.append(XmlDictConfig(element))
# treat like list
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How to compare two strings in dot separated version format in Bash?
...that doesn't require any external utilities:
#!/bin/bash
vercomp () {
if [[ $1 == $2 ]]
then
return 0
fi
local IFS=.
local i ver1=($1) ver2=($2)
# fill empty fields in ver1 with zeros
for ((i=${#ver1[@]}; i<${#ver2[@]}; i++))
do
ver1[i]=0
done
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Python - Check If Word Is In A String
I'm working with Python v2, and I'm trying to find out if you can tell if a word is in a string.
11 Answers
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