Concept of Encapsulation in PHP

PHP Encapsulation Wrapping up of the data into a single unit is called Encapsulation in Object-Oriented Programming Languages. Many people get confused when someone asked them to explain it with some ...
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Concepts of Constructors, Destructors and its types in PHP

In this section, we will talk about constructors, destructors, their types and some important characteristics Constructors Let's start with some common characteristics of Constructor We can define a constructor method by defining ...
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CollectionView Using Swift

UICollectionView is same as UITableView but it gives us the additional functionality of simply creating a grid view, which is a bit complex in UITableView. Here we will demonstrate how ...
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Understanding UITableViewDataSource

UITableViewDataSource Methods The controller or an object which needs to make change using the UITableView Object needs to implement the UITableViewDataSource protocol. There are some optional methods as well some ...
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Understanding UITableViewDelegate

UITableViewDelegate Methods The delegate of a UITableView object must adopt the UITableViewDelegate Protocol. There are some optional methods which allow the user to manage selections, configure headings and footer section, provision ...
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TableView Using Swift

A simple UITableView using swift. A TableView is a component provided by Apple so that we can use it to show a list of items. If we talk practically then may ...
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Part-2: Understanding First iPhone Application

Understanding First iPhone Application In one of our previous articles, we were discussing about the contents in an simple iPhone Application; now we will discuss about few more files like ViewController.swift, ...
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Class Common Terminologies: OOPs in PHP

In this section, we will understand common terminologies in class like:- Member Variables Members Functions Class Constant Static Variable and functions. Access Specifiers These are the common terms we must ...
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Understanding First iPhone Application: Part-1

If you want to see how we can create an iPhone Application, please visit this article. Now let's understand Our very first created iPhone App. Understanding First iPhone Application We ...
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PHP OOPs : Class and Object with examples

How can we describe "Class and Object" According to Wikipedia “In object-oriented programming, a class is an extensible program-code-template for creating objects, providing initial values for state (member variables) and implementations of behavior (member functions ...
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Create a First iPhone Application

In this article, we will give you an understanding of how to create a simple iPhone Application. At the end of this article, you will have your First iPhone Application created ...
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SQL Injection

SQL injection is a most common area which a hacker can exploit and which proves to be disastrous for your website. So as a professional developer you must avoid code which ...
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iOS Architecture and Development Environment Setup

In this article, we would be dealing with the architecture of iPhone Operation System or we can say the iOS Architecture. With the help of this article, we will have ...
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Push Notifications for iOS : Updated iOS 10+

What are Push Notifications? Push notifications is a kind of message which an App publisher wants to notify a user. It is a server pushed message. For Example, there is ...
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Generate a CSR file for iOS Applications

The purpose of this article is successfully creating a CSR file. CSR is an abbreviation for Certificate Signing Request. Firstly to get a valid certificate from the developer console, you ...
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Add App icon for an iPhone application

Why is App icon needed? The purpose of app icon is to provide an identity and to describe the motive to your product, every application is a product to someone ...
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Concepts of insert and limit in MySQL

Here we will discuss some useful concepts on insert statement and limits, which will be proved to be a boon to your development career if you don't know these yet. Let's ...
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unix_timestamp(), from_unixtime(), date_add(), date_sub() and interval concept in MySQL

Epoch time, Unixtime, Unix timestamp, all these are same. It is basically no. of seconds passed from 1 january 1970 00 hrs 00 min 00 sec which might cause problems on ...
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Order of Clause Execution in SQL Query And Some Query Optimization Techniques

An SQL Query made up of various Clause which gets executed in certain order like: From Where Group by Having Select Order by From Clause Executes first in the Query ...
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What is the difference between the stack memory and heap memory

Difference between the Stack Memory and Heap Memory is one o the most asked question in our subject viva or in project viva or an interview. And most of the ...
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How to deal with “Too Many Connections” error in MySQL

Too Many Connections issue is very common in MySQL which occurs mainly due too many users have come to your website and demanding to connect to your database Basic details ...
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What is utf8mb4 in MySQL?

MySql support two varities of utf-8 character and collation set are utf8mb3(only contains BMP characteres) and utf8mb4(utf-8 characters and supports supplementary characters) In mysql 4.1 there is latin1 as a ...
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How to assign a value in a variable in mysql

First lets take a look at how can we define a variable in mysql To define a varible in mysql it should start with '@'  like @{variable_name} and this '{variable_name}', ...
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How to create a captcha using php in a simple way

While creating your own site. Every site has some forms which require captcha, which is introduced because of security reason. So that no automated scripts can submit the dummy data ...
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MySQL Server Logs

MySQL has several types of logs that can help you to find out what kind of activity took place in your MySQL. To understand this you will need to know ...
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MySQL: If and Else

In this article, we will talk about IF and Else control structure which will work inside the procedure and how an if function, which will even work in the simple query ...
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Search special characters or text using MATCH and AGAINST in MySQL

This concept comes under FULLTEXT index. If your table has FULLTEXT index in the fields having field types of varchar, char, text. It is faster to load fields having large ...
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Date related functions of MySQL

A developer has to deal with these below mentioned date related function of MySQL. So let's understand these function in details. List of MySQL Date function NOW(): It will give you ...
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Know country’s name from IP Address

Sometimes I get amused how can someone get country’s name from IP-Address. If someone gets this info where does it store. First, if you have any IP-Address it will look like ...
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