chourobin

.site_title {
  color: #f35626;
  background-image: -webkit-linear-gradient(92deg,#f35626,#feab3a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  -webkit-animation: hue 60s infinite linear;
}

chourobin

var QcValueConverter = {
  tensionFromQcValue: function(qcValue) {
    return (qcValue - 30.0) * 3.62 + 194.0;
  },

  qcValueFromTension: function(tension) {
    return (tension - 194.0) / 3.62 + 30.0;
  },

  frictionFromQcValue: function(qcValue) {

chourobin

# NullStorage provider for CarrierWave for use in tests.  Doesn't actually
# upload or store files but allows test to pass as if files were stored and
# the use of fixtures.
class NullStorage
  attr_reader :uploader

  def initialize(uploader)
    @uploader = uploader
  end

chourobin

    # encoding : utf-8
    require 'openssl'
    require 'digest/sha1'
    require 'base64'
    
    module Aws
      extend self
      def signed_url(path, expire_date)
        digest = OpenSSL::Digest::Digest.new('sha1')
        can_string = "GET\n\n\n#{expire_date}\n/#{S3_BUCKET}/#{path}"

chourobin

Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

###Array ####Definition:

• Stores data elements based on an sequential, most commonly 0 based, index.
• Based on tuples from set theory.

chourobin

// in a UITableViewController (or any other view controller with a UITableView)

- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator
{
    UIView *header = [[UIView alloc] initWithFrame:CGRectMake(0, 0, size.width, 0)];
    header.translatesAutoresizingMaskIntoConstraints = NO;
    
    // [add subviews and their constraints to header]

    NSLayoutConstraint *headerWidthConstraint = [NSLayoutConstraint 

chourobin

@interface UIButton (VerticalLayout)  

- (void)centerVerticallyWithPadding:(float)padding;  
- (void)centerVertically;  

@end  

chourobin

import Foundation

class StateMachine <P: StateMachineDelegateProtocol> {
    private unowned let delegate: P
    
    private var _state: P.StateType {
        didSet{
            delegate.didTransitionFrom(from: oldValue, to: _state)
        }

chourobin

Bridging Native & React for iOS & Android

js -> native

• Simple Example
• Callbacks
• Promises
• Properties

native -> js

chourobin

{
    "parser": "babel-eslint",
    "env": {
        "browser": true
    },
    "plugins": [
        "babel",
        "react",
        "react-native"
    ],