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How to get the last character of a string in a shell?
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Per @perreal, quoting variables is important, but because I read this post like 5 times before finding a simpler approach to the question at hand in the comments...
str='abcd/'
echo "${str: -1}"
Output: /
str='abcd*'
echo "${str: -1}"
Output: *
Thanks to everyone who participat...
What is the correct syntax for 'else if'?
..., when I first started (in the last couple of weeks).
So your code should read:
def function(a):
if a == '1':
print('1a')
elif a == '2':
print('2a')
else:
print('3a')
function(input('input:'))
...
How many Activities vs Fragments?
...might be in the case of search results. (MySearchResults.class).
Have a read here for more:
http://android-developers.blogspot.com/2011/09/preparing-for-handsets.html
It might be a little more up-front work, because each fragment must work well across separate activities, but it usually pays...
Does use of final keyword in Java improve the performance?
...mon JVM, so...)
To my mind you should use final based on clear design and readability rather than for performance reasons. If you want to change anything for performance reasons, you should perform appropriate measurements before bending the clearest code out of shape - that way you can decide whet...
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)
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The file is being read as a bunch of strs, but it should be unicodes. Python tries to implicitly convert, but fails. Change:
job_titles = [line.strip() for line in title_file.readlines()]
to explicitly decode the strs to unicode (here assum...
How can I scan barcodes on iOS?
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Check out ZBar reads QR Code and ECN/ISBN codes and is available as under the LGPL v2 license.
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HTML5 Local storage vs. Session storage
... are also scoped by browser vendors. So storage data saved by IE cannot be read by Chrome or FF.
Hope this helps.
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How to pass arguments and redirect stdin from a file to program run in gdb?
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I thought I was reading this wrong at first; odd that --args goes before the executable. But so it is!
– Kaolin Fire
Jul 12 '13 at 23:11
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How do I use $scope.$watch and $scope.$apply in AngularJS?
... team gave us two ways of declaring some $scope variable as being watched (read below).
$watch helps to listen for $scope changes
There are two ways of declaring a $scope variable as being watched.
By using it in your template via the expression <span>{{myVar}}</span>
By adding it ma...
Benefits of prototypal inheritance over classical?
...asons why the constructor pattern in JavaScript should be avoided. You can read about them in my blog post here: Constructors vs Prototypes
So what are the benefits of prototypal inheritance over classical inheritance? Let's go through the most common arguments again, and explain why.
1. Protot...