sourabh-upadhyay

package main

import "fmt"
import "reflect"

func contains(val interface{}, array interface{}) (exists bool, index int) {
    exists = false
    index = -1

    switch reflect.TypeOf(array).Kind() {

sourabh-upadhyay

decorators

concerns

Rails features (4 & 5)

Blocks

When to use lambda

sourabh-upadhyay

http://jsonplaceholder.typicode.com/

sourabh-upadhyay

Number	Octal	Permission Representation Ref
0	No permission	---
1	Execute permission	--x
2	Write permission	-w-
3	Execute and write permission: 1 (execute) + 2 (write) = 3	-wx
4	Read permission	r--
5	Read and execute permission: 4 (read) + 1 (execute) = 5	r-x
6	Read and write permission: 4 (read) + 2 (write) = 6	rw-
7	All permissions: 4 (read) + 2 (write) + 1 (execute) = 7	rwx

sourabh-upadhyay

1. Install AWS CLI using the OS X Bundled Installer.

python --version

2. Now download the AWSCLI installer using the following command:

curl "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip" -o "awscli-bundle.zip"

3. Unzip the package

unzip awscli-bundle.zip

4. Run the install executable and test the AWS CLI installation

sudo ./awscli-bundle/install -i /usr/local/aws -b /usr/local/bin/aws

5. Configure AWS credentials

sourabh-upadhyay

#Simple monkey patch would work

module ActiveRecord
  Base.send :attr_accessor, :_row_

  module Associations
    class JoinDependency
      JoinBase && class JoinPart
        def instantiate_with_row(row, *args)
          instantiate_without_row(row, *args).tap { |i| i._row_ = row }

sourabh-upadhyay

If we are working with uuid (PostgreSQL arrays work with Rails) and you need to compare values in Rails convetion then you may need this.

rails/rails#13127 (comment) (rails/rails#13127 (comment))

sourabh-upadhyay

Key features of Assets pipeline

1. Concatenate assets (Which can reduce the number of requests that a browser makes to render a web page) (Sprockets concatenates all JavaScript files into one master .js file and all CSS files into one master .css file)
2. Asset minification or compression
3. Coding assets via a higher level languages (SASS for CSS, CoffeeScript for JS, and ERB for both by default)

What is Fingerprinting and Why Should I Care?

sourabh-upadhyay

In order to enable rubocop for your sublime package 3 you first need to make sure the control package of sublime is installed on your sublime package. To check for the control package Way 1: Step 1 -> open sublime package 3 and press ctrl + shift + p wait for some time (hardly 5 seconds) it will open a text field in the sublime package. Step 2 -> Type install if you see Package Control : Install package then the control package is install.

sourabh-upadhyay

## Show current git branch on terminal
#### Add this line of code at the end on file *.bashrc* in Home directory
 
export GIT_PS1_SHOWDIRTYSTATE=1
export PS1='\[\033[01;32m\]\u@\h\[\033[01;34m\] \w\[\033[00;31m\]$(__git_ps1)\[\033[00;34m\] \$\[\033[00m\] '