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How to use single storyboard uiviewcontroller for multiple subclass
Let say I have a storyboard that contains UINavigationController as initial view controller. Its root view controller is subclass of UITableViewController , which is BasicViewController . It has IBAction which is connected to right navigation button of the navigation bar
From there I woul...
What is memoization and how can I use it in Python?
...t started Python and I've got no idea what memoization is and how to use it. Also, may I have a simplified example?
13 An...
When to use a key/value store such as Redis instead/along side of a SQL database?
...s about key/value stores such as Redis but I can't seem to figure out when it's time to use it in an application.
4 Answers...
Tracking CPU and Memory usage per process
I suspect that one of my applications eats more CPU cycles than I want it to. The problem is - it happens in bursts, and just looking at the task manager doesn't help me as it shows immediate usage only.
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Copy a stream to avoid “stream has already been operated upon or closed”
I'd like to duplicate a Java 8 stream so that I can deal with it twice. I can collect as a list and get new streams from that;
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Why use a prime number in hashCode?
...rge enough prime that the number of buckets is unlikely to be divisible by it (and in fact, modern java HashMap implementations keep the number of buckets to a power of 2).
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Will Google Android ever support .NET? [closed]
Now that the G1 with Google's Android OS is now available (soon), will the android platform ever support .Net?
13 Answers
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void in C# generics?
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You cannot use void, but you can use object: it is a little inconvenience because your would-be-void functions need to return null, but if it unifies your code, it should be a small price to pay.
This inability to use void as a return type is at least partially respons...
Does ruby have real multithreading?
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Updated with Jörg's Sept 2011 comment
You seem to be confusing two very different things here: the
Ruby Programming Language and the specific threading model of one
specific implementation of the Ruby Programming Language. There
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Is it safe to push_back an element from the same vector?
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It looks like http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-closed.html#526 addressed this problem (or something very similar to it) as a potential defect in the standard:
1) Parameters taken by const reference can be c...