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Hello World Selenium

Learn Selenium Pom.xml App.java Result WebDriver Chrome look Like this Full Code github

Cassandra Data Manipulation (Insert, Update, Delete) using `cqlsh`

In previous section we learn creating user, keyspaces and managed table. Now we will learning how to insert, update, and deleting data in cassandra using cassandra.Operation DML ( Data Manipulation Language) similar to RDMS (Relational Database Management System). Using Keyword INSERT INTO for inserting data, keyword UPDATE table_name SET columns WHERE conditional for updating data, […]

Create, Alter and Drop Table Cassandra

Create, Alter and Drop Table Cassandra Table in Cassandra is a collection of ordered (by name) columns fetched by row. A row consists of columns and have a primary key. The first part of the key is a column name. Subsequent parts of a compound key are other column names that define the order of […]

Keyspace Cassandra

A keyspace is a container that holds the column families, user defined types. In Cassandra, Keyspace is similar to schema RDBMS Database. Keyspace holds column families, indexes, user defined types, data center awareness, strategy used in keyspace, replication factor, etc. Syntax CREATE KEYSPACE | SCHEMA IF NOT EXISTS keyspace_name WITH REPLICATION = map AND DURABLE_WRITES […]

How To Manage Users NoSql Cassandra using `cqlsh`

In this tutorial we learn how to manage user in database cassandra. Setting the cassandra database using username and password authentication. Learn how to login using default username and password cassandra, create user with or without password, create user superuser and nosuperuser, modifying user and dropping user. Create user Syntax for create user CREATE USER […]

Spring Boot Using Hikari Connection Pool

# Spring Boot Using Hikari Connection Pool Connection Pool In software engineering, a connection pool is a cache of database connections maintained so that the connections can be reused when future requests to the database are required. Connection pools are used to enhance the performance of executing commands on a database. Opening and maintaining a […]

FastDateFormat is Fast by Apache Commons Lang Example

FastDateFormat is a fast and thread-safe version of SimpleDateFormat.To obtain an instance of FastDateFormat, use one of the static factory methods: getInstance(String, TimeZone, Locale), getDateInstance(int, TimeZone, Locale),getTimeInstance(int, TimeZone, Locale), or getDateTimeInstance(int, int, TimeZone, Locale) Since FastDateFormat is thread safe, you can use a static member instance: private static final FastDateFormat DATE_FORMATTER = FastDateFormat.getDateTimeInstance(FastDateFormat.LONG, FastDateFormat.SHORT); This […]

Simple way to get a random String or Numeric Using RandomUtils and RandomStringUtils

Take a look for RandomStringUtils and RandomUtils. Apache Common-langs make a simple way to do it. RandomUtils is a Utility library that supplement the sandart Random class. RandomStringUtils is an operations for random Strings. Currently private high surrogate characters are ignored. These are Unicode characters that fall between the values 56192 (db80) and 56319 (dbff) […]

Simple way to get Java System Properties Using Apache Commons Lang3

SystemUtils help us to know java system properties. We Don’t need get manually. let check this snipset code And here are the results of our code snippet above: Visit My Repository for full code

How To use Strings Google Guava

Strings is a part of google Guava librarys. Strings is Static utility methods pertaining to String or CharSequence instances. Strings helps us to : Check Null Value Pad String Repeat String Check Prefix or Sufix Let See The example code below : And here are the results of our code snippet above: Visit My Repository […]