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Completion block for popViewController
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Proper way to declare custom exceptions in modern Python?
...rd other exception classes have, so that (for instance) any extra string I include in the exception is printed out by whatever tool caught the exception.
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What does “Could not find or load main class” mean?
...n a package such as com.acme.example, then you must use the full classname including the package name in the java command; e.g.
java com.acme.example.ListUser
Example #2 - a filename or pathname rather than a class name:
java ListUser.class
java com/acme/example/ListUser.class
Example #3 - a cl...
What are the differences between “generic” types in C++ and Java?
...he libraries (both standard--what comes in the JDK--and nonstandard, which includes commonly used things like Spring). Java syntax is more verbose than C++ syntax and doesn't have a lot of C++ features (e.g. operator overloading, multiple inheritance, the destructor mechanism, etc) but that doesn't...
Handling warning for possible multiple enumeration of IEnumerable
...lt;T> is the only read-only interface supported by all .NET collections including all collection interfaces. Any other alternative will come back to bite you as you realize that you locked yourself out from some architecture choices. So I think it's the proper type to use in function signatures t...
Using Sinatra for larger projects via multiple files
... true
end
configure :development do
# ...
end
helpers do
include Rack::Utils
alias_method :h, :escape_html
end
end
require_relative 'models/init'
require_relative 'helpers/init'
require_relative 'routes/init'
helpers/init.rb
# encoding: utf-8
require_relative 'partials...
What does the ??!??! operator do in C?
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How to provide different Android app icons for different gradle buildTypes?
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Step by step solution, including replacing mipmap-anydpi-v26 and keeping files for all dimensions:
First define in build.gradle (Module: app) your build type in android -> buildTypes -> debug, internal, etc
On the project hierarchy, below A...
Formatting a number with exactly two decimals in JavaScript
...alization API Specification (ECMA402). It has pretty good browser support, including even IE11, and it is fully supported in Node.js.
const formatter = new Intl.NumberFormat('en-US', {
minimumFractionDigits: 2,
maximumFractionDigits: 2,
});
console.log(formatter.format(2.005)); // "...