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How can I read input from the console using the Scanner class in Java?
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A simple example to illustrate how java.util.Scanner works would be reading a single integer from System.in. It's really quite simple.
Scanner sc = new Scanner(System.in);
int i = sc.nextInt();
To retrieve a username I would probably use sc.nextLine().
System.out.println("Enter your us...
Python base64 data decode
I have the following piece of base64 encoded data, and I want to use python base64 module to extract information from it. It seems that module does not work. Can anyone tell me how?
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How do I sort a vector of pairs based on the second element of the pair?
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EDIT: using c++14, the best solution is very easy to write thanks to lambdas that can now have parameters of type auto. This is my current favorite solution
std::sort(v.begin(), v.end(), [](auto &left, auto &right) {
return left.second...
How to “return an object” in C++?
I know the title sounds familiar as there are many similar questions, but I'm asking for a different aspect of the problem (I know the difference between having things on the stack and putting them on the heap).
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Determine if code is running as part of a unit test
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I've done this before - I had to hold my nose while I did it, but I did it. Pragmatism beats dogmatism every time. Of course, if there is a nice way you can refactor to avoid it, that would be great.
Basically I had a "UnitTestDetector" cl...
How can I mock requests and the response?
...use Pythons mock package to mock Pythons requests module. What are the basic calls to get me working in below scenario?
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Accessing a class's constants
...What you posted should work perfectly:
class Foo
CONSTANT_NAME = ["a", "b", "c"]
end
Foo::CONSTANT_NAME
# => ["a", "b", "c"]
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Confused about Service vs Factory
As I understand it, when inside a factory I return an object that gets injected into a controller. When inside a service I am dealing with the object using this and not returning anything.
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Bootstrap 3 Slide in Menu / Navbar on Mobile [closed]
I am building a browser-based mobile app and I've decided to use Bootstrap 3 as the css framework for the design. Bootstrap 3 comes with a great "responsive" feature in the navigation bar where it collapses automatically if it detects a specific "break point" regarding the resolution of the browser....
What is the Scala identifier “implicitly”?
...asons to use the delightfully simple method implicitly.
To understand/troubleshoot Implicit Views
An Implicit View can be triggered when the prefix of a selection (consider for example, the.prefix.selection(args) does not contain a member selection that is applicable to args (even after trying to ...