Tutorial by Topics: go

Mongoose is a Node.JS driver for MongoDB. It provides certain benefits over the default MongoDB driver, such as adding types to Schemas. One difference is that some Mongoose queries may differ from their MongoDB equivalents.

As you develop a Django app, there might be situations where you can save a lot of time by just cleaning up and resetting your migrations.

This is a polynomial algorithm for getting the minimum vertex cover of connected undirected graph. The time complexity of this algorithm is O(n2) VariableMeaningGInput connected un-directed graphXSet of verticesCFinal set of vertices The first thing you have to do in this algorithm to get al...

How to configure a ReplicaSet to support TLS/SSL? We will deploy a 3 Nodes ReplicaSet in your local environment and we will use a self-signed certificate. Do not use a self-signed certificate in PRODUCTION. How to connect your Client to this ReplicaSet? We will connect a Mongo Shell. A descripti...

Accessing rows in a dataframe using the DataFrame indexer objects .ix, .loc, .iloc and how it differentiates itself from using a boolean mask.

This section provides an overview of what google-compute-engine is, and why a developer might want to use it. It should also mention any large subjects within google-compute-engine, and link out to the related topics. Since the Documentation for google-compute-engine is new, you may need to cre...

This documentation will give you a insight how European VANETs based on the ETSI ITS-G5 and IEEE 802.11p can be simulated by using the discrete event simulator OMNeT++.

Pax Exam allows testing of bundles within an OSGi container (e.g. AEM, Apache Karaf). Pax Exam is usually used in conjunction with JUnit.

This section provides an overview of what django-views is, and why a developer might want to use it. It should also mention any large subjects within django-views, and link out to the related topics. Since the Documentation for django-views is new, you may need to create initial versions of tho...

Protobuf or Protocol Buffer encodes and decodes data so that different applications or modules written in unlike languages can exchange the large number of messages quickly and reliably without overloading the communication channel. With protobuf, the performance is directly proportional to the numb...

This section provides an overview of what mongodb-java is, and why a developer might want to use it. It should also mention any large subjects within mongodb-java, and link out to the related topics. Since the Documentation for mongodb-java is new, you may need to create initial versions of tho...

In my path to studying programming there have been simple, but interesting problems to solve as exercises. One of those problems was to rotate an array(or another collection) by a certain value. Here I will share with you a simple formula to do it.

A goroutine is a lightweight thread managed by the Go runtime. go f(x, y, z) starts a new goroutine running f(x, y, z) The evaluation of f, x, y, and z happens in the current goroutine and the execution of f happens in the new goroutine. Goroutines run in the same address space, so access to sh...

First we need to know what a MessageBox is... The MessageBox control displays a message with specified text, and can be customised by specifying a custom image, title and button sets (These button sets allow the user to choose more than a basic yes/no answer). By creating our own MessageBox we can...

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....

Google Spreadsheets has a powerful add on called Google Forms that allows a web developer to add simple forms easily to web sites in order to collect data from users. This article discusses the way to embed these into a web application. I've also created a Youtube video with a running commentary, ...

This section provides an overview of what genetic-algorithm is, and why a developer might want to use it. It should also mention any large subjects within genetic-algorithm, and link out to the related topics. Since the Documentation for genetic-algorithm is new, you may need to create initial ...

Java in itself is an extremely powerful language, but its power can further be extended Thanks to JSR223 (Java Specification Request 223) introducing a script engine The Java Scripting API enables external scripts to interact with Java The Scripting API can enable interaction between the scr...