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Why would iterating over a List be faster than indexing through it?
... notice: If you want to check which iteration type should be used (indexed vs Iterator/foreach), you can always test if a List implements RandomAccess (a marker interface): List l = unknownList(); if (l instanceof RandomAccess) /* do indexed loop */ else /* use iterator/foreach */
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What's the difference between => , ()=>, and Unit=>
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@Alex That's the same difference as (Unit) => Type vs () => Type -- the first is a Function1[Unit, Type], while the second is a Function0[Type].
– Daniel C. Sobral
Mar 17 '14 at 21:22
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What is the difference between Elastic Beanstalk and CloudFormation for a .NET project?
...clearer than the AWS pages. Still trying to work out if we can deploy from VS straight to the cloud formation template stored on S3 and get it to auto update like beanstalk...
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Java EE web development, where do I start and what skills do I need? [closed]
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community wiki
27 revs, 2 users 96%BalusC
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Is Ruby pass by reference or by value?
...pful. I think as most people know it these days, that terminology ("value" vs "reference") comes from C++.
In C++, "pass by value" means the function gets a copy of the variable and any changes to the copy don't change the original. That's true for objects too. If you pass an object variable by val...
What is the exact meaning of Git Bash?
...ash, sh, csh, ksh, zsh, etc.) and extending them to allow passing objects, vs just text.
– Peter Halverson
Feb 22 '19 at 19:12
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Does functional programming replace GoF design patterns?
... no
striking differences between the
patterns I use in these languages vs
the patterns I use when I write in
Java.
Perhaps because you're still thinking imperatively? A lot of people, after dealing with imperative languages all their lives, have a hard time giving up on that habit when the...
Best approach to real time http streaming to HTML5 video client
...can stream live video. To clarify my original question and HTML5 video use vs flash - my use case has a strong preference for HTML5 because it is generic, easy to implement on the client and the future. Flash is a distant second best so lets stick with HTML5 for this question.
I learnt a lot throug...
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
...centres get dense rapidly, metrics in high dim hit distance whiteout
# vs unsupervised / semi-supervised svm
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def kmeans( X, centres, delta=.001, maxiter=10, metric="euclidean", p=2, verbose=1 ):
""" centres, Xt...
Manually raising (throwing) an exception in Python
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4. raise exception (args) from original_exception
1. raise exception vs. 2. raise exception (args)
If you use raise exception (args) to raise an exception then the args will be printed when you print the exception object - as shown in the example below.
#raise exception (args)
try...