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Two way/reverse map [duplicate]
...namely the python package bidict. It's extremely straight forward to use:
from bidict import bidict
map = bidict(Bob = "Alice")
print(map["Bob"])
print(map.inv["Alice"])
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java.lang.IllegalStateException: The specified child already has a parent
...t to regenerate view data, and onDestroyView() method you remove this view from its parent like so:
@Override
public void onDestroyView() {
super.onDestroyView();
if (view != null) {
ViewGroup parent = (ViewGroup) view.getParent();
if (parent != null)...
Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
... state! That's quite dynamic and that's most of the time that what we want from a lambda.
Patterns like Factory are a lot easier if you can just put in a function which does the work for you.
Destructive ones are easily combined with each other. If the type is right you can just compose them as y...
How do I get the current line number?
.... Do you have link numbers turned on in the IDE? If you call this function from different places in the file do you still have to subtract 191? This will either be a compiler bug (unlikely, but possible) or a collapsed block on your page (whilst that shouldn't prevent line numbers from being correct...
mongo - couldn't connect to server 127.0.0.1:27017
I am coming from riak and redis where I never had an issue with this services starting, or to interact.
38 Answers
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How to update a single library with Composer?
...e:
php composer.phar update vendor/*
--prefer-source: Install packages from source when available.
--prefer-dist: Install packages from dist when available.
--ignore-platform-reqs: ignore php, hhvm, lib-* and ext-* requirements and force the installation even if the local machine does not fulfil...
Visual Studio Post Build Event - Copy to Relative Directory Location
...ed, but I had a problem when building directly using msbuild command line (from a batch file) vs building from within VS.
Using something like the following:
<PostBuildEvent>
MOVE /Y "$(TargetDir)something.file1" "$(ProjectDir)something.file1"
start XCOPY /Y /R "$(SolutionDir)SomeConsole...
Developing cross platform mobile application [closed]
...
My answer here covers some of the technical limitations of cross-platfrom tools but let me expand a bit:
I think that cross-platform tools have historically always been also-rans because such tools have the wrong philosophical focus.
All the selling points for cross-plaform tools are the be...
Rails 3.1: Engine vs. Mountable App
...ull Engine
With a full engine, the parent application inherits the routes from the engine. It is not necessary to specify anything in parent_app/config/routes.rb. Specifying the gem in Gemfile is enough for the parent app to inherit the models, routes etc. The engine routes are specified as:
#...
How do I assert an Iterable contains elements with a certain property?
...
.contains("foo", "bar");
As a side note : to assert multiple fields from elements of a List , with AssertJ we do that by wrapping expected values for each element into a tuple() function :
import static org.assertj.core.api.Assertions;
import static org.assertj.core.groups.Tuple;
Assertion...