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Scala: List[Future] to Future[List] disregarding failed futures
...re's a twist... The list I'm given usually has around 10-20 futures in it, and it's not uncommon for one of those futures to fail (they are making external web service requests). Instead of having to retry all of them in the event that one of them fails, I'd like to be able to get at the ones that s...
Nullable vs. int? - Is there any difference?
Apparently Nullable<int> and int? are equivalent in value. Are there any reasons to choose one over the other?
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Should I hash the password before sending it to the server side?
... is a silver bullet, which it is not. It certainly helps greatly however, and should be used in any authenticated session.
There is really no need to know what an original password is. All that is required is a reliable way to generate (and reliably re-generate) an authentication "key" based on t...
Is there an alternative to string.Replace that is case-insensitive?
I need to search a string and replace all occurrences of %FirstName% and %PolicyAmount% with a value pulled from a database. The problem is the capitalization of FirstName varies. That prevents me from using the String.Replace() method. I've seen web pages on the subject that suggest
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How do I get indices of N maximum values in a NumPy array?
...ten equivalently as arr.argsort()[-1:-4:-1]? I've tried it in interpreter and it comes up with the same result, but I'm wondering if it's not broken by some example.
– abroekhof
Sep 20 '12 at 9:05
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Advantages and disadvantages of GUID / UUID database keys
...es, but there's always a bit of uncertainty, especially around performance and un-read-out-over-the-phone-able URLs.
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How to delete images from a private docker registry?
I run a private docker registry, and I want to delete all images but the latest from a repository. I don't want to delete the entire repository, just some of the images inside it. The API docs don't mention a way to do this, but surely it's possible?
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What's the reason I can't create generic array types in Java?
...ve an array of runtime type T[]. It has an array of runtime type Object[], and either 1) the source code contains a variable of Object[] (this is how it is in the latest Oracle Java source); or 2) the source code contains a variable of type T[], which is a lie, but doesn't cause problems due to T be...
Setting Django up to use MySQL
I want to move away from PHP a little and learn Python. In order to do web development with Python I'll need a framework to help with templating and other things.
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Inheritance and Overriding __init__ in python
I was reading 'Dive Into Python' and in the chapter on classes it gives this example:
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