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How to check if a value exists in an array in Ruby
...oesn't include #in? in it's core, if you are using Rails, it is available. api.rubyonrails.org/classes/Object.html#method-i-in-3F (I know this is a Ruby, not a Rails question, but it may help anyone looking to use #in? in Rails. Looks like it was added in Rails 3.1 apidock.com/rails/Object/in%3F
...
When should I use a List vs a LinkedList
... linear time
As you can see, they're mostly equivalent. In practice, the API of LinkedList<T> is more cumbersome to use, and details of its internal needs spill out into your code.
However, if you need to do many insertions/removals from within a list, it offers constant time. List<T>...
How to build an android library with Android Studio and gradle?
...roject without installing it.
build.gradle
task wrapper(type: org.gradle.api.tasks.wrapper.Wrapper) {
gradleVersion = '1.4'
}
So now we have one project to build. Now we are going to add the others. I put them in a directory, maybe call it deps, or subProjects. It doesn't really matter, but ...
How can I represent an 'Enum' in Python?
...o update the Python 2 function to be compatible with Python 3's functional API of Enum(name, values)
– bscan
Mar 10 '17 at 15:52
...
How do I set up a basic Ruby project?
...y for your gem, then push it up
~/code/my_lib $ curl -u myusername https://api.github.com/user/repos -d '{"name":"my_lib"}'
~/code/my_lib $ git remote add origin git@github.com:myusername/my_lib.git
~/code/my_lib $ git push
Then, when you're ready to release your gem on Rubygems.org, run rake rel...
Enable access control on simple HTTP server
... to the world what runs locally on your computer (including local backends/apis)
localtunnel: almost the same as ngrok
now: when running now, it uploads your static assets online and deploy them to https://$random.now.sh. They remain online forever unless you decide otherwise. Deployment is fast (ex...
How to store date/time and timestamps in UTC time zone with JPA and Hibernate
...more general override method.
UPDATE: Hibernate 3.6 has changed the types API. In 3.6, I wrote a class UtcTimestampTypeDescriptor to implement this.
public class UtcTimestampTypeDescriptor extends TimestampTypeDescriptor {
public static final UtcTimestampTypeDescriptor INSTANCE = new UtcTimest...
Best way to merge two maps and sum the values of same key?
...omething changed in 2.11 version. Check out 2.10 scaladoc - scala-lang.org/api/2.10.1/… There is a usual function. But in 2.11 it's MergeFunction.
– Mikhail Golubtsov
Jul 8 '15 at 6:26
...
Node.js on multi-core machines
... supplanted by the version of Cluster baked into Node v0.6.x (warning: the API surface does differ)
– Dave Dopson
Feb 7 '12 at 23:28
...
What is the difference between require_relative and require in Ruby?
...
From Ruby API:
require_relative complements the
builtin method require by allowing you
to load a file that is relative to the
file containing the require_relative
statement.
When you use require to load a file,
you a...