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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...
Weighted random numbers
...or is more than a few dozen items long (basically, you have to profile to know if this helps or hinders), then there is an optimisation:
By storing the cumulative weight sum in each item you can use a binary search to pick the item corresponding to the pick weight.
If you do not know the number ...
How to open multiple pull requests on GitHub
...d commits in git should not be though of as just a patch, but as a patch knowing what patch was applied before this. So this is why one should create a new branch with new commits, whose diffs are maybe still the same, but whose links to the previous commits are different.
– M...
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.
...
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 ...
Bomb dropping algorithm
...e to prove we can be greedy in reducing the outer
perimeter.
But, we do know we can be greedy. Because no bomb in layer 2 can ever be more
efficient in reducing layer 2 to 0 than a strategically placed bomb in layer 3. And
for the same reason as before - there is always a bomb we can place in ...
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...
Why does (0 < 5 < 3) return true?
... editing my question to add the if(0 < 5 < 1) == false. All is clear now, thanks :)
– punkrockbuddyholly
Nov 3 '10 at 16:39
...
What algorithm gives suggestions in a spell checker?
...n distance is not exactly the right edit distance for a spell checker. It knows only insertion, deletion and substitution. Transposition is missing and produces 2 for a transposition of 1 character (it's 1 delete and 1 insertion). Damerau–Levenshtein distance is the right edit distance.
...
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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