DEV Jeopardy

JavaScript

100

Name three different JS Frameworks that would allow you to build client side apps versus server side. 

React, View, Angular, Next JS, Ember, Jquery, Backbone, Svelte

200

What's the main difference between the const and let key words?

const is immutable, where was a let variable can be manipulated.

300

What year was Ecmascript 6 released in?

2015

400

What Es5 function enables you to create classes using the new myClass() syntax.

example:

Class Fishsticks {

constructor(options){...}

}

 let fishsticks = new Fishsticks();

prototype()

500

This vanilla javascript class is used to determine when a DOM node is in the current viewport.

The IntersectionObserver()

PHP

100

What does "10" + "10" = 

20

200

What is the main edge case error with this statement: 

$number = 1234.56;

$format_number = number_format($number);

echo $format_number;

The output of over 1000 returns a string with a comma in it, this value cannot be casted.

300

What does PHP stand for?

PHP: Hypertext Preprocessor

400

The output of:

$arr = [];

$str = '';

$arr = explode(',', $str);

print_r($arr);

Array ( [0] => )

500

This PHP 8 class replaces the deprecated pthreads library. 

Fibres()

Databases

100

Linking data between two tables is know as a 

JOIN

200

Name one noSql DB

MongoDb, Apache Cassandra, RavenDB, Redis, OrientDB (others will be accepted)

300

This feature usually provides faster searching on a database table field.

Index

400

The way in which database retrieves data is known as 

Query Processing 

500

What keywords would allow me to select data from one table and then move it into another?

INSERT INTO ... SELECT ...

Linux

100

Name a webserver that is not Apache

Nginx, Lighttpd, Caddy, OpenLiteSpeed, others...

200

Yum is an example of a 

Package Manager

300

df -Th will help me find out...

disk space / size of disk space / File systems /  File systems space / ... 

400

SSH stands for...

Secure Shell / Secure Shell Protocol 

500

This command can copy data between servers efficiently.

rsync 

The MCHN

100

This feature relates to content only.

Articles

200

This page allows administrators to create orders on. 

orderCreate, orderCreate.php

300

If there is an error before an order deliver record is created, where can I fix it?

It can only be fixed in the database. Errors are only reported to the UI at label creation. 

400

This php class is parent by all other php classes

basic / basics / basic.class.php / basics.class.php

500

Stripe / Klaviyo / Canada Post are examples of ____ in the MCHN.

Site Services