Select Page

Query vs Scan API Calls – DynamoDB

DynamoDB Queries Allow you to find items using only primary key values from table or secondary index Benefits: Returns the item matching the primary key search Much more efficiency because it searches indexes only Returns all attributes of an item, or only the ones...

S3 Data Consistency

Buckets in all Regions have: Read-after-write consistency for PUTS of new objects Eventual consistency for overwrite PUTS and DELETES Read-after-write consistency lets you retrieve objects immediately after creating them Eventual consistency may return old data...

CIDR Notation

A system called Classless Inter-Domain Routing, or CIDR, was developed as an alternative to traditional subnetting. The idea is that you can add a specification in the IP address itself as to the number of significant bits that make up the routing or networking...

Virtualbox Commands

Description This article gives information on common command line syntax used with Virutalbox. Commands List Current Virtual Machines vboxmanage list vms 1 vboxmanage list vms List Current Virtual Machines Running vboxmanage list runningvms 1 vboxmanage list...

Crayon and Divi theme

Problem 1 Plugin window was behind the Divi Builder window Solution Open and edit crayon.min.css in FileZilla STEPS Connect to Server  sftp://root@192.168.240.70/var/www/vhosts/hosty.uk/httpdocs/wp-content/plugins/crayon-syntax-highlighter/css/min/crayon.min.css...

Understanding IP Addresses

Every location or device on a network must be addressable. This is simply a term that means that it can be reached by referencing its designation under a predefined system of addresses. In the normal TCP/IP model of network layering, this is handled on a few different...