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Android Studio Project Structure (v.s. Eclipse Project Structure)
...e and Android Studio. This makes it difficult to follow tutorials designed for Eclipse. Could anyone let me know why these differences exist? Should they exist?
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switch / pattern matching idea
...ures. Not "you can do it", but "it's simple, it's clear, it's expected".
For instance, in pattern matching, you get the compiler telling you if there's an incomplete match or when another match will never be hit. This is less useful with open ended types, but when matching a discriminated union or...
Get the current displaying UIViewController on the screen in AppDelegate.m
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well, you see, UINavigationController provides a way for you to know which controller is topmost; your root controller should provide the same info some way. It cannot be inferred in general because it depends strictly on how you built your UI and there is no explicit controlle...
What does cherry-picking a commit with Git mean?
...e branch within a repository onto a different branch. A
common use is to forward- or back-port commits from a maintenance
branch to a development branch.
$ git checkout rel_2.3
$ git cherry-pick dev~2 # commit F, above
before:
after:
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Is System.nanoTime() completely useless?
...uy at Sun. It says:
System.nanoTime() is implemented using the QueryPerformanceCounter/QueryPerformanceFrequency API [...] The default mechanism used by QPC is determined by the Hardware Abstraction layer(HAL) [...] This default changes not only across hardware but also across OS versions. For e...
How should I use try-with-resources with JDBC?
I have a method for getting users from a database with JDBC:
5 Answers
5
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Add days to JavaScript Date
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This takes care of automatically incrementing the month if necessary. For example:
8/31 + 1 day will become 9/1.
The problem with using setDate directly is that it's a mutator and that sort of thing is best avoided. ECMA saw fit to treat Date as a mutable class rather than an immutable structur...
What is pseudopolynomial time? How does it differ from polynomial time?
...ome algorithms that run in pseudopolynomial time have runtimes like O(nW) (for the 0/1 Knapsack Problem ) or O(√n) (for trial division ); why doesn't that count as polynomial time?
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The specified type member 'Date' is not supported in LINQ to Entities. Only initializers, entity mem
...ntity Framework I receive the following error. I need to get all the rows for a specific date, DateTimeStart is of type DataType in this format 2013-01-30 12:00:00.000
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How do I manage MongoDB connections in a Node.js web application?
...er. The accepted answer is very wrong as it says to open a connection pool for each request and then close it after doing so. Terrible architecture.
– Saransh Mohapatra
Aug 13 '13 at 14:56
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