Tutorial by Examples: io

Custom UITextField to Disallow All Actions like Copy, Paste, etc

If we want to disable all the actions like Copy, Paste, Replace, Select, etc from UITextField then we can use following custom text field: class CustomTextField: UITextField { var enableLongPressActions = false required init(coder aDecoder: NSCoder) { super.init(coder: aDecoder)! } o...

iOS • Custom UITextField

List of standard Java Runtime Library functional interfaces by signature

Parameter TypesReturn TypeInterface()voidRunnable()TSupplier()booleanBooleanSupplier()intIntSupplier()longLongSupplier()doubleDoubleSupplier(T)voidConsumer<T>(T)TUnaryOperator<T>(T)RFunction<T,R>(T)booleanPredicate<T>(T)intToIntFunction<T>(T)longToLongFunction<T>(...

Java Language • Functional Interfaces

Recursive and Mutually Recursive Functions

You can define a function to be recursive with the rec keyword, so it can call itself. # let rec fact n = match n with | 0 -> 1 | n -> n * fact (n - 1);; val fact : int -> int = <fun> # fact 0;; - : int = 1 # fact 4;; - : int = 24 You can also define mutually re...

OCaml • Functions

Installation

IMPORTANT!! Valet is a tool designed for macOS only. Prerequisites Valet utilizes your local machine's HTTP port (port 80), therefore, you will not be able to use if Apache or Nginx are installed and running on the same machine. macOS' unofficial package manager Homebrew is required to properly...

Laravel • Valet

Md2Accordion and Md2Collapse

Md2Collapse : Collapse is a directive, it's allow the user to toggle visiblity of the section. Examples A collapse would have the following markup. <div [collapse]="isCollapsed"> Lorum Ipsum Content </div> Md2Accordion : Accordion it's allow the user to toggle vis...

Angular 2 • Angular material design

Installation or Setup

Detailed instructions on getting avr set up or installed.

avr • Getting started with avr

custom exceptions

creating custom exception 'P2222': create or replace function s164() returns void as $$ begin raise exception using message = 'S 164', detail = 'D 164', hint = 'H 164', errcode = 'P2222'; end; $$ language plpgsql ; creating custom exception not assigning errm: create or replace function s...

postgresql • Programming with PL/pgSQL

Installation or Setup

Detailed instructions on getting greasemonkey set up or installed.

greasemonkey • Getting started with greasemonkey

OOP Introduction

Intoduction Object Oriented Programming (mostly referred as OOP) is a programming paradigm for solving problems. The beauty an OO (object oriented) program, is that we think about the program as a bunch of objects communicating with each other, instead of as a sequential script following specific ...

oop • Getting started with oop

Math behind 1D convolution with advanced examples in TF

`To calculate 1D convolution by hand, you slide your kernel over the input, calculate the element-wise multiplications and sum them up. The easiest way is for padding=0, stride=1 So if your input = [1, 0, 2, 3, 0, 1, 1] and kernel = [2, 1, 3] the result of the convolution is [8, 11, 7, 9, 4], whic...

tensorflow • Using 1D convolution

Installation or Setup

Detailed instructions on getting openui5 set up or installed.

openui5 • Getting started with openui5

Notification Channel

What Are Notification Channels? Notification channels enable us app developers to group our notifications into groups—channels—with the user having the ability to modify notification settings for the entire channel at once. For example, for each channel, users can completely block all notifications...

Android • Notification Channel Android O

Subscribing to Notifications from the Gatt Server

You can request to be notified from the Gatt Server when the value of a characteristic has been changed: gatt.setCharacteristicNotification(characteristic, true); BluetoothGattDescriptor descriptor = characteristic.getDescriptor( UUID.fromString("00002902-0000-1000-8000-00805f9b34fb&quot...

Android • Bluetooth Low Energy

Installation or Setup

Detailed instructions on getting angularjs-ng-repeat set up or installed.

angularjs-ng-repeat • Getting started with angularjs-ng-repeat

Installation and Setup

The installation is quite simple as there are seperate installers for MacOS and Windows machines available here. Currently two versions are for download: one beta and one stable. Setup will start after you downloaded the program and you´ll need to login with your GitHub credentials. That is really ...

github • GitHub Desktop

Jinja2 installation and setup

Install the dependencies: pip install jinja2 Install a framework: pip install flask Create the following structure ├── run.py └── templates Put a file template.html in the templates directory. The file can contain a jinja 2 variable named my_string. <!DOCTYPE html> <html lang=&qu...

jinja2 • Getting started with jinja2

Using JavaScript and Stylesheets in Sections

Each section can can contain JavaScript and Stylesheets, these two languages are used within liquid tags: {% javascript %}{% endjavascript %} & {% stylesheet %}{% endstylesheet %}. When placing code inside of these two tags, Shopify compiles each piece into shopify_compiled.js & shopify_com...

Shopify • Implementing Sections

Installation or Setup

Detailed instructions on getting jupyter-notebook set up or installed.

jupyter-notebook • Getting started with jupyter-notebook

Authentication

Simple HTTP Authentication Simple HTTP Authentication can be achieved with the following: from requests import post foo = post('http://natas0.natas.labs.overthewire.org', auth=('natas0', 'natas0')) This is technically short hand for the following: from requests import post from requests.au...

Python Language • Python Requests Post

Introduction of Search Engine Optimisation (SEO )

Search engine optimization (SEO for short) is simply the process of obtaining website visitors (or traffic) from “free” or “organic” search results in search engines like Google or Bing. All major search engines have primary search results that are ranked based on what the search engine considers m...

seo • A introduction to SEO