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Add Keypair to existing EC2 instance
...gain SSH access to these instances, is it possible to create a new Keypair and apply it to the instances so I can SSH in? Obtaining the exisiting pem file for the keypair the instances were created under is currently not an option.
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Is it possible in SASS to inherit from a class in another file?
...ty much answered this question (I just neglected to check back for a while and then forgot); but I'm accepting your answer because it is the most complete—i.e., it walks me through the whole process. Thanks!
– Dan Tao
Mar 7 '13 at 22:02
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How to properly ignore exceptions
When you just want to do a try-except without handling the exception, how do you do it in Python?
11 Answers
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How to display a content in two-column layout in LaTeX?
I am writing an article in LaTeX and I would like to display some content in two column layout. In the left column a matrix and in the right column a list of items. I have tried with tabular environment but it does not work as I want.
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What is the main purpose of setTag() getTag() methods of View?
What is the main purpose of such methods as setTag() and getTag() of View type objects?
7 Answers
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Passing a function with parameters as a parameter?
...tes an anonymous temporary function wrapper that knows about the parameter and passes it to the actual callback implementation.
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How do I disable “missing docstring” warnings at a file-level in Pylint?
Pylint throws errors that some of files are missing docstrings. I try and add docstrings to each class, method and function but it seems that Pylint also checks that files should a docstring at the beginning of it. Can i disable this somehow? I would like to be notified of a docstring is missing ins...
Use of “this” keyword in formal parameters for static methods in C#
...ing" support popular within dynamic languages
today with the performance and compile-time validation of
strongly-typed languages.
Extension Methods enable a variety of useful scenarios, and help make
possible the really powerful LINQ query framework... .
it means that you can call
MyC...
What does a lazy val do?
...3
In contrast to a method (defined with def) a lazy val is executed once and then never again. This can be useful when an operation takes long time to complete and when it is not sure if it is later used.
scala> class X { val x = { Thread.sleep(2000); 15 } }
defined class X
scala> class Y ...
How to reverse-i-search back and forth? [duplicate]
I use reverse-i-search often, and that's cool. Sometime though when pressing CTRL + r multiple times, I pass the command I am actually looking for. Because CTRL + r searches backward in history, from newest to oldest, I have to:
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