Save items – SharedPreferences (kotlin/java) Example
Introduction to SharedPreferences (kotlin/java) Under Android, it is common to want to save an element, for example, the name of the connected user, or for example a stri...
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The search engine optimization , or SEO (Search Engine Optimization) means a sum of actions to optimize a website aim to achieve better rankings in Google or other search...
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Lesson 5: What is Search Engine Optimization (SEO)? – Website seo tutorial
By definition from textbooks, Wikipedia, and other sources, search engine optimization is the sum of actions that are used to increase the ranking of individual sites to...
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PHP Lesson 15 – Associative, multidimensional Arrays with Example
Arrays are an important concept in PHP. An array is an ordered list. For example, a list of numbers or a list of text (strings). For example, we can use an array to group...
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Lesson 4: Types of variables in Kotlin language
A variable is a shell where there is a value. It consists of a name and belongs to a type. In the Kotlin language if we need to store an integer value we can define a var...
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PHP Lesson 18 – How to Send e-mails with PHP
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Lesson 17: Functions with data return in Kotlin Language
Functions with data return in Kotlin Language. We saw that a function is defined by a name and that it can receive data by means of its parameters. Parameters are the way...
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Show GIFS animations Images (kotlin and java)
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Lesson 11: Domain name and TLD – Website SEO Tutorial
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Lesson 27: Hub Pages – Website SEO Tutorial
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Simply Better Blogging Tips 2017
The success of an online blog, no matter what topic it is dealing with, depends on many different factors. In addition to the frequency of publication and the quality of...
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Lesson 14 – Storing data in a text file in the internal memory
Another possibility of storing data on our Android device is the use of a text file that will be stored in the internal storage of the computer (the other possibility is...
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Lesson 31: OOP – Enum class in kotlin Language
In Kotlin we have another special type of class that is declared with the keywords enum class. They are used to define a set of constants. Problem 1 Declare an enum class...
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PHP Lesson 25 – Constant – PHP Tutorials
The value of a constant is, unlike a variable, no longer changeable once it has been defined. This is useful, for example, to define fixed, immutable values, such as the...
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Lesson 59: Rich snippets – website SEO Tutorial
Rich snippets are snippets from the content of a page ,. These snippets have nothing really to do with the search engine optimization, but the creation and optimization o...
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Lesson 19 – Functions with parameters with default value in kotlin
In Kotlin you can define parameters and assign them a data in the same header of the function. Then when we call the function we can or do not send a value to the paramet...
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Lesson 15: WordPress MultiSite – Website SEO Tutorial
Multisite networks under WordPress have the great advantage that in this way several different pages within a domain can be conveniently managed from a single back-end. T...
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Lesson 6: Conditional if Statement in Kotlin Language
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Lesson 16: Keyword analysis – Website SEO Tutorial
If you have found a preferred topic area, the domain is set up and registered, you can, inprinciple, continue with the real search engine optimization in the area of On...
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Lesson 8: What is Content Marketing? – Website SEO Tutorial
As mentioned in the section “What is SEO?” Already mentioned, there has been a development for a few months, which emphasizes a component which has been firml...
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Lesson 24: The Robots.txt – Website SEO Tutorial
The robots.txt file is located in the root directory of a webserver, or in the root directory of a webspace, and is used to give crawlers and bots instructions on how to...
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How to Use Android Shared Preferences Database
The class android.content.SharedPreferences allows developers to save the application settings to a file, with the ability to share them in the same application or betwee...
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Android Material Design and creation of apps with legacy APIs
The Material Design was introduced in Android 5 (Lollipop), but with Android 6 (Marshmallow) and Android 7 (nougat), has been enhanced with new features. In this tutorial...
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Lessn 45 – Kotlin programming language Collections
Kotlin provides a wide range of classes for managing collections of data. We have already seen some of the classes that allow managing collections: For basic data types (...
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Scientific Mathematics Calculator using Kotlin Programming Language
In this tutorial, we will program trigonometric functions of a scientific calculator, with the syntax of Kotlin, the cool programming alternative in Java. Although...
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Lesson 18 – Layout (LinearLayout) in Kotlin Example
Android organizes the visual components (Button, EditText, TextView etc.) on the screen using containers called Layout. So far we have not worried how to organize a scree...
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Lesson 19 – Layout (TableLayout) in Kotlin Example
The Layout of type TableLayout groups components into rows and columns. A TableLayout contains a set of TableRow-like components that group visual components for each row...
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Similar to hubpages, there are also specific patterns for different types of websites for internal linking. The SEO principle ” Users first ” also applies her...
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Lesson 12: Launch a second “Activity” with Values (parameters)
We saw in the previous concept that a program can have more than one window representing each window with a class that inherits from AppCompatActivity. A very common situ...
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