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UINavigationBar custom back button without title
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iOS7 has new interface rules, so It's better to keep at least the back arrow when you push a UIView.
It's very easy to change the "back" text programmatically. Just add this code before push the view (Or prepareForSegue if you are using StoryBoards):
-(void) prepareForSegue:(UISt...
C++ convert vector to vector
... for an initial reserve() is another question, but godbolt.org/z/6mcUFh at least contains a call to std::distance().
– user1556435
May 3 '19 at 12:33
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Javascript infamous Loop issue? [duplicate]
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@check_ca What would you recommend instead? At least this solution works, unlike the closure-based ones.
– Philipp Ludwig
Aug 15 '17 at 13:54
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What is the difference between decodeURIComponent and decodeURI?
...Component (m instead of n). I cannot correct it, because I have to edit at least 6 characters.
– SuperNova
Oct 13 '16 at 7:34
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What is the difference between String.Empty and “” (empty string)?
...orrect, but what you may really want to use, for best code readability and least chance of an exception is String.IsNullOrEmpty(s)
difference between foldLeft and reduceLeft in Scala
...duceLeft on the other hand does not have a legal value if it can't find at least one value in the list.
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Bootstrapping still requires outside support
...e smallest possible subset of the Yazzleof (well, a pretty small subset at least). Then in Yazzle-lite, you would write a compiler for the full language. (Obviously this can occur iteratively instead of in one jump.) Because Yazzle-lite is a proper subset of Yazzleof, you now have a compiler whic...
Print “hello world” every X seconds
...}
System.out.println("Hello world!"):
}
This will stop the thread at least X milliseconds. The thread could be sleeping more time, but that's up to the JVM. The only thing guaranteed is that the thread will sleep at least those milliseconds. Take a look at the Thread#sleep doc:
Causes the ...
When should I use double instead of decimal?
...financial calculations). In general, the double type is going to offer at least as great precision (someone correct me if I'm wrong) and definitely greater speed for arbitrary real numbers. The simple conclusion is: when considering which to use, always use double unless you need the base 10 accura...
How to run Rails console in the test environment and load test_helper.rb?
...he test environment does that for you, but with that command you should at least be able to boot successfully into the test env.
As a sidenote: It is indeed kind of odd that the various binaries in script/ has different ways of setting the rails environment.
For Rails 3 and 4
Run rails c test. P...