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Scala: List[Future] to Future[List] disregarding failed futures
...convert an arbitrary length list of Futures to a Future of List. I'm using Playframework, so ultimately, what I really want is a Future[Result] , but to make things simpler, let's just say Future[List[Int]] The normal way to do this would be to use Future.sequence(...) but there's a twist... Th...
In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?
I want to display dates in the format: short day of week, short month, day of month without leading zero but including "th", "st", "nd", or "rd" suffix.
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Using Transactions or SaveChanges(false) and AcceptAllChanges()?
I have been investigating transactions and it appears that they take care of themselves in EF as long as I pass false to SaveChanges() and then call AcceptAllChanges() if there are no errors:
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Throw an error in a MySQL trigger
If I have a trigger before the update on a table, how can I throw an error that prevents the update on that table?
7 An...
What is the id( ) function used for?
I read the Python 2 docs and noticed the id() function:
13 Answers
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LINQ-to-SQL vs stored procedures? [closed]
I took a look at the "Beginner's Guide to LINQ" post here on StackOverflow ( Beginners Guide to LINQ ), but had a follow-up question:
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What's the best way to put a c-struct in an NSArray?
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NSValue doesn't only support CoreGraphics structures – you can use it for your own too. I would recommend doing so, as the class is probably lighter weight than NSData for simple data structures.
Simply use an expression like the following:
[NS...
A weighted version of random.choice
...eighted version of random.choice (each element in the list has a different probability for being selected). This is what I came up with:
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Rule-of-Three becomes Rule-of-Five with C++11?
...I thought that every class would benefit of such a "move constructor", template<class T> MyClass(T&& other) edit and of course a "move assignment operator", template<class T> MyClass& operator=(T&& other) as Philipp points out in his answer, if it has dynamicall...
Check if a Bash array contains a value
In Bash, what is the simplest way to test if an array contains a certain value?
35 Answers
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