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How to update the version of MongoDB on your machine on different platforms and versions. If you have an older version of MongoDB, you must upgrade the whole path to the newest version. For example, if you are running version 3.0 and want to get version 3.4, you must upgrade 3.0->3.2->3....

InlineDescription$numberSubstitutes the substring matched by group number.${name}Substitutes the substring matched by a named group name.$$Escaped '$' character in the result (replacement) string.$& ($0)Replaces with the whole matched string.$+ ($&)Substitutes the matched text to the last...

Adding an image file (preferable a png) to your game as an "Image" object in Phaser. game.load.image( name:string, file:string,); game.add.image( x:number, y:number, name:string); An Image object is a good choice for things in your game that don't use frame animations and...

Apache spark MLib provides (JAVA, R, PYTHON, SCALA) 1.) Various Machine learning algorithms on regression, classification, clustering, collaborative filtering which are mostly used approaches in Machine learning. 2.) It supports feature extraction, transformation etc. 3.) It allows data practitio...

Includes pymongo query examples to filter documents by timestamp encapsulated in ObjectId

This topic try to tell us how we can write programs based on OOP approach.But we don't try to teach Object Oriented Programming paradigm. We'll be covering following topics: Classes,Properties,Inheritance,Polymorphism,Interfaces and so on.

Remember CodeIgniter is a development Framework. It doesn't strive to make you're application secure. It merely gives you the tools to do it yourself. If you look at CI's Security page, it pretty clear they are expecting the developer to understand Application Security and build it into their applic...

OptionParser can be used for parsing command line options from ARGV.

Taken from IdentityServer4 Official Docs IdentityServer4 is an OpenID Connect and OAuth 2.0 framework for ASP.NET Core. It enables the following features in your applications: Authentication as a Service Centralized login logic and workflow for all of your applications (web, native, mobil...

Harp is a static web server with built-in preprocessing. Harp can compile your project down to static assets, HTML, CSS and JavaScript, with no configuration necessary. You may also use Harp as a Node library for compiling or running as a server. Harp includes the common, useful preprocessors by de...

The language class in CodeIgniter provides an easy way to support multiple languages for internationalization. To some extent, we can use different language files to display text in many different languages.

One of the features introduced in Java 9 is the multi-release Jar (MRJAR) which allows bundling code targeting multiple Java releases within the same Jar file. The feature is specified in JEP 238.

:vglobal or :v is the opposite of :global or :g that operates on lines not matching the specified pattern (inverse).

Prior to Java 9, access to the thread stack frames was limited to an internal class sun.reflect.Reflection. Specifically the method sun.reflect.Reflection::getCallerClass. Some libraries relies on this method which is deprecated. An alternative standard API is now provided in JDK 9 via the java.lan...

We can secure the data in Hadoop using different methods. Each method has its own advantages. We can also combine more than one method for better result. This topic covers the advantages & limitations of each method 1. Kerberos is a network authentication protocol: a. Advantage: Authentic...