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GO

The Go programming language is an open source project to make programmers more productive.

Go is expressive, concise, clean, and efficient. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel type system enables flexible and modular program construction. Go compiles quickly to machine code yet has the convenience of garbage collection and the power of run-time reflection. It's a fast, statically typed, compiled language that feels like a dynamically typed, interpreted language.

You can try and download GO lang here.

HTML

HTML is the standard markup language for creating web pages assisted by technologies such as CSS and scripting languages such as JavaScript. I’m not going to show you some annoying HTML tags, but some unusual and useful ones.

There is a <sub>2</sub> that are useful for formulas like H₂O and <sup>2</sup> for E=mc²

It's possible to strikethrough with <del>strikethrough</del> and to underline with <ins>underline</ins>

The <optgroup> tag is used to group related <option> in a drop-down list:

<label for="cars">Choose a car:</label>
<select id="cars">
  <optgroup label="Swedish Cars">
    <option value="volvo">Volvo</option>
    <option value="saab">Saab</option>
  </optgroup>
  <optgroup label="German Cars">
    <option value="mercedes">Mercedes</option>
    <option value="audi">Audi</option>
  </optgroup>
</select>

Marquee is really cool it makes a scrolling text<marquee direction="right">A scrolling text in Marquee element.</marquee>

A scrolling text in Marquee element.

We can highlight text using the <mark>highlight</mark> tag.

In HTML An acronym should be marked up with the <abbr title="HyperText Markup Language">HTML</abbr> with title tag to represents the name of the acronym.

VIM

Vim is a highly configurable text editor built to make creating and changing any kind of text very efficient. It is included as "vi" with most UNIX systems and with Apple OS X.

Vim has 3. modes INSERT (mode that edits text), NORMAL (mode that u need to be in all time) and VISUAL (mode for selecting)

You can find my _vimrc file on github.

some nice commands in NORMAL mode:

ci{ clean all inside {brackets} and put's cursor inside {brackets} with INSERT mode

vi{ select all inside of {brackets} same with (normal brackets)

ci" jump to first "" and edit them

ma m marks the spot it can be a b c... 'a jumpes to mark :marks lists marks

MARKDOWN

Markdown is a lightweight markup language with plain-text-formatting syntax. Its design allows it to be converted to many output formats. Markdown is often used to format readme files, or TODO lists for writing messages in online discussion forums, and to create rich text using a plain text editor.

###### h6
##### h5
#### h4
### h3
## h2
# h1
___
*italic*
**Bold**
~~strikethrough~~
---
[link](http://www.duckduckgo.com)

* itam 1
* itam 2
* itam 3
    1. itam 3.1
    2. itam 3.2

* [x] task
* [] task not done