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How to check if variable is string with python 2 and 3 compatibility
... in Python 2 in the most generic manner,
isinstance(s, basestring)
will now also work for Python 3+.
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Interfaces — What's the point?
...e is an IPizza you can use IPizza wherever you handle an instance of an unknown pizza type. Any instance whose type inherits from IPizza is guaranteed to be orderable, as it has an Order() method.
Python is not statically-typed, therefore types are kept and looked up at runtime. So you can try call...
Proper use of the IDisposable interface
I know from reading the Microsoft documentation that the "primary" use of the IDisposable interface is to clean up unmanaged resources.
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Git undo changes in some files [duplicate]
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# the -n means, do not commit the revert yet
git revert -n <sha1>
# now make sure we are just going to commit the revert to A
git reset B
git commit
If on the other hand, you had committed it, but the commit involved rather a lot of files that you do not also want to revert, then the above ...
Learning Ruby on Rails
As it stands now, I'm a Java and C# developer. The more and more I look at Ruby on Rails, the more I really want to learn it.
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Keystore change passwords
... currently have a keystore, with a particular password that only I should know. I now need to give access to that keystore to someone else, so I would like to either:
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Can't specify the 'async' modifier on the 'Main' method of a console app
...Update, 2017-11-30: As of Visual Studio 2017 Update 3 (15.3), the language now supports an async Main - as long as it returns Task or Task<T>. So you can now do this:
class Program
{
static async Task Main(string[] args)
{
Bootstrapper bs = new Bootstrapper();
var list ...
Git merge master into feature branch
... into the feature branch and the master branch. Fast forward is impossible now.
Have a look at GitFlow. It is a branching model for git that can be followed, and you unconsciously already did. It also is an extension to Git which adds some commands for the new workflow steps that do things automati...
iPhone Simulator suddenly started running very slow
...hone simulator for a number of weeks and it has been running well up until now, but all of a sudden has begun running very slow both when loading content and animations. I have not made any changes to my code since I last tested it successfully.
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How does a Breadth-First Search work when looking for Shortest Path?
... @Shashank If we are not maintaining distance then how would we know the shortest distance,please explain more.
– Gaurav Sehgal
Apr 12 '15 at 19:17
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