
Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Rishi Rathor has Published 142 Articles

Rishi Rathor
269 Views
There are three types of errors in programming: (a) Syntax Errors, (b) Runtime Errors, and (c) Logical Errors. Runtime errors, also called exceptions, occur during execution (after compilation/interpretation). For example, the following line causes a runtime error because here the syntax is correct, but at runtime, it is trying to ... Read More

Rishi Rathor
268 Views
To lists down all the cookies by name, use the cookies pairs in an array. After that, you need to get the key value pair out of this array.ExampleYou can try to run the following code to list all the cookiesLive Demo ... Read More

Rishi Rathor
973 Views
You can communicated with any SAP system from PHP in many ways, but the preferred standard available choices areRFC (remote function call)Web ServicesPHP has got one RFC library to communicate with SAP. But the main job in your problem statement lies with your partner as they are the one dealing ... Read More

Rishi Rathor
461 Views
I think there is a syntax problem in your code. The colon in the first statement adds multiple following statements and hence updating all records in the first statement.Remove the colon in the first line and comma between SET specifiers.ExampleTry using the following statement after update:UPDATE zemployee_jat SET prijs ... Read More

Rishi Rathor
375 Views
MySQL alias cannot be used with *. However, it can be used for individual column. The syntax is as follows −select anyaliasName.yourColumnName1 as anyaliasName1, anyaliasName.yourColumnName2 as anyaliasName2, anyaliasName.yourColumnName3 as anyaliasName3, anyaliasName.yourColumnName4 as anyaliasName4, . . . . N from yourTableName as anyaliasName;MySQL alias is a variable of table that can ... Read More

Rishi Rathor
126 Views
The concat operator can be used in ORACLE. MySQL use concat() function to perform concatenation.To understand the concat() function, let us create a table. The query to create a table is as follows −mysql> create table ConcatenationDemo −> ( −> Id int, ... Read More

Rishi Rathor
7K+ Views
In this section we will see how to use 8085 to write a program in 8085 kit. We will also see how to debug the program and check the result after successful execution. Let us see a typical keypad structure of 8085 kit. (This keyboard pattern may vary indifferent kits of ... Read More