Introduction Modifiers are C# keywords used to modify declarations of types (class, struct, interface, enum) and type members (fields, properties, methods, indexers, …). The remaining sections explain these modifiers. Access Modifiers Access modifiers are keywords used to specify the declared accessibility of types and type Read More …
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Part – 6: Type Conversions
Most of the time, operators and functions automatically convert the values given to them to the right type. For example, alert automatically converts any value to a string to show it. Mathematical operations convert values to numbers. There are also cases when Read More …
Part – 5: Interaction: alert, prompt, confirm
As we’ll be using the browser as our demo environment, let’s see a couple of functions to interact with the user: alert, prompt and confirm. alert This one we’ve seen already. It shows a message and waits for the user to presses “OK”. For Read More …
Part – 4; Data Types
A value in JavaScript is always of a certain type. For example, a string or a number. There are eight basic data types in JavaScript. Here, we’ll cover them in general and in the next chapters we’ll talk about each Read More …
Part – 3: Variables
Most of the time, a JavaScript application needs to work with information. Here are two examples: An online shop – the information might include goods being sold and a shopping cart.A chat application – the information might include users, messages, Read More …
Part – 2: Syntax
Code structure The first thing we’ll study is the building blocks of code. Statements Statements are syntax constructs and commands that perform actions. We’ve already seen a statement, alert(‘Hello, world!’), which shows the message “Hello, world!”. We can have as many Read More …
Part – 1: Introduction
Hello, world! This part of the tutorial is about core JavaScript, the language itself. But we need a working environment to run our scripts and, since this book is online, the browser is a good choice. We’ll keep the amount Read More …
Part 2: How to quickly search for SQL database data and objects in SSMS
Frequently, developers and DBAs need to search databases for objects or data. If a database function that contains a specific table column or a variable name, or for a table that contains specific data is searched, the simple solution for Read More …
Part 1: MSSQL Frequently Asked Questions
1. Selecting all the values from a table for a particular date This is a very popular question and people sometimes answer that you need to use between. There is a problem with between if you happen to have a Read More …
Part 3: Logic and Conditionals
Boolean Expressions A boolean expression is any expression that evaluates to, or returns, a boolean value. Boolean Type The bool data type can be either true or false and is based on the concept that the validity of all logical statements must be either true or false. Booleans Read More …