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The introduction to Reactive Programming you've been missing

(by @andrestaltz)

So you're curious in learning this new thing called Reactive Programming, particularly its variant comprising of Rx, Bacon.js, RAC, and others.

Learning it is hard, even harder by the lack of good material. When I started, I tried looking for tutorials. I found only a handful of practical guides, but they just scratched the surface and never tackled the challenge of building the whole architecture around it. Library documentations often don't help when you're trying to understand some function. I mean, honestly, look at this:

Rx.Observable.prototype.flatMapLatest(selector, [thisArg])

Projects each element of an observable sequence into a new sequence of observable sequences by incorporating the element's index and then transforms an observable sequence of observable sequences into an observable sequence producing values only from the most recent observable sequence.

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#!/bin/bash
# Sometimes you need to move your existing git repository
# to a new remote repository (/new remote origin).
# Here are a simple and quick steps that does exactly this.
#
# Let's assume we call "old repo" the repository you wish
# to move, and "new repo" the one you wish to move to.
#
### Step 1. Make sure you have a local copy of all "old repo"
### branches and tags.

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//Copy runtime libraries to lib source folder
task copyRuntimeLibs(type: Copy) {
    into "lib"
    from configurations.testRuntime, configurations.runtime
}

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CURL - cheatsheet

• XML GET

curl -H "Accept: application/xml" -H "Content-Type: application/xml" -X GET "http://hostname/resource"

• JSON GET

curl -i -H "Accept: application/json" -H "Content-Type: application/json" -X GET "http://hostname/resource"

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Linux - Systemd cheatsheet

systemctl

Activates a service immediately:

systemctl start foo.service

Deactivates a service immediately:

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Linux - Static ip network configuration with default gateway

RHEL 7 (windows/vmware player/systemd):

1. Log as root, or user which can work with systemctl and edit /etc configuration.

2. Check if NetworkManager.service is running

systemctl status NetworkManager.service

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Linux - Commands cheatsheet.md

usermod

Remove all secondary groups for user

• RHEL 7

usermod -G "" user

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Linux - RHEL Conf Tips

Disable firewalld with systemctl

• Check if service is running:

  systemctl status firewalld 
  

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Tmux -Shortcuts & Cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

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Git - Cheatsheet

Global Settings

Related Setup: https://gist.github.com/hofmannsven/6814278

Related Pro Tips: https://ochronus.com/git-tips-from-the-trenches/