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Number of elements in a javascript object
Is there a way to get (from somewhere) the number of elements in a javascript object?? (i.e. constant-time complexity).
6 A...
How to pull a random record using Django's ORM?
I have a model that represents paintings I present on my site. On the main webpage I'd like to show some of them: newest, one that was not visited for most time, most popular one and a random one.
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Volatile vs. Interlocked vs. lock
Let's say that a class has a public int counter field that is accessed by multiple threads. This int is only incremented or decremented.
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The calling thread cannot access this object because a different thread owns it
My code is as below
14 Answers
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Exclude a directory from git diff
I'm wondering how I can exclude an entire directory from my Git diff. (In this case /spec). I'm creating a diff for our entire software release using the git diff command. However the changes to the specs are irrelevant for this procedure, and just create headaches. now I know i can do
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How to use GROUP BY to concatenate strings in SQL Server?
How do I get:
18 Answers
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Should services always return DTOs, or can they also return domain models?
I'm (re)designing large-scale application, we use multi-layer architecture based on DDD.
9 Answers
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Safe (bounds-checked) array lookup in Swift, through optional bindings?
If I have an array in Swift, and try to access an index that is out of bounds, there is an unsurprising runtime error:
19 A...
How to check for an active Internet connection on iOS or macOS?
I would like to check to see if I have an Internet connection on iOS using the Cocoa Touch libraries or on macOS using the Cocoa libraries.
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How to use DbContext.Database.SqlQuery(sql, params) with stored procedure? EF Code First C
I have a stored procedure that has three parameters and I've been trying to use the following to return the results:
10 Ans...