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How to loop backwards in python? [duplicate]
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range() and xrange() take a third parameter that specifies a step. So you can do the following.
range(10, 0, -1)
Which gives
[10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
But for iteration, you should really be using xrange instead. So,
xr...
Using Server.MapPath() inside a static field in ASP.NET MVC
...t how to properly structure Lucene.Net usage in an ASP.NET MVC application and was told that the best method is to declare the my IndexWriter as public static , so that it can be re-used.
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Adding Permissions in AndroidManifest.xml in Android Studio?
In Eclipse we were able to add permissions in AndroidManifest.xml by going to AndroidManifest.xml->Permission-> Adding permissions.
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How Can I Set the Default Value of a Timestamp Column to the Current Timestamp with Laravel Migratio
...r/Migrations. I have gone through the Laravel documentation several times, and I don't see how I can make that the default for a timestamp column.
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How to use a variable inside a regular expression?
...y answer:
raw strings ('r'):
One of the main concepts you have to understand when dealing with special characters in regular expressions is to distinguish between string literals and the regular expression itself. It is very well explained here:
In short:
Let's say instead of finding a word bou...
How to find out which view is focused?
I need to find out if any view is focused inside an Activity and what view it is. How to do this?
6 Answers
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How do I read the first line of a file using cat?
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+1. you only need the head not the whole cat :P (the command tail is part of the bash pun too)
– SparK
Feb 17 '14 at 18:54
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What is the Scala annotation to ensure a tail recursive function is optimized?
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From the "Tail calls, @tailrec and trampolines" blog post:
In Scala 2.8, you will also be able to use the new @tailrec annotation to get information about which methods are optimised.
This annotation lets you mark specific methods that you hope th...
Colors with unix command “watch”?
Some commands that I use display colors, but when I use them with watch the colors disappears:
6 Answers
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Rails: Custom text for rails form_for label
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Just go to the above link and type in the method you are looking for in the search box. label is listed under ActionView::Helpers::FormBuilder and ActionView::Helpers::FormHelper. ActionView::Helpers::FormBuilder is the one we are interested in, but t...