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Introduction

Here we introduce how to use build-in camera to take a picture in both of Android and iOS devices.

Android

Take a picture.

iOS

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Introduction

How to set the convenient preferences in Xcode.

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Introduction

Three builder pattern ways in Kotlin.

1. Normal Builder
2. Kotlin Block Builder 1
3. Kotlin Block Builder 2

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Introduction

When touch out of the edit text's range, the soft keyboard will be closed automatically in Android.

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Introduction

Here are three ways to code a timer in Android.
There are three ways to achieve a timer.

1. Timer
2. Handler
3. Countdown Timer

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Introduction

In Xmarin, we basically used c# language to develop an iOS application, we need to use hyperlink in textview.
But if we wanna change to Obj-c code, that's the same grammar.

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Intrduction

Get enum description from enum class, similar get variable name directly.

pokk

Intrduction

When we click enter key, when can foucs to next item automatically.

Javascript

$('body').on('keydown', 'input, select, textarea', function (e)
{

pokk

Introduction

Limit the number of lines in Textarea.

Html

<textarea data-limit-rows="true" cols="60" rows="4"></textarea>

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Introduction

We use itertools.product lib to run a map instead of double for loop.

Detail

This functions is actually creating a Cartesian product.

Talk is cheap. Show me the code.