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mvc.net introduces data anotations for model validation. This can also be done in Xamarin

This example shows how to create a basic express app and then serve AngularJS.

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.

Anonymous classes are useful when simple, one-off objects need to be created. They can be used in place of a full class definition. They can everything a normal class can: pass arguments through to their constructors, extend other classes, implement interfaces, use traits. Anonymous classes are as...

How to set up basic Express web server under the node js and Exploring the Express router. At last, Using Express Router you can use routing facility in you application and it is easy to implement.

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

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

Many people like working with promises and/or async/await syntax, but when writing a module it would be useful to some programmers to support classic callback style methods as well. Rather than creating two modules, or two sets of functions, or having the programmer promisify your module, your modul...

login heroku login create app heroku create or heroku create your_name clone the example git clone https://github.com/zoutepopcorn/herokuworld cd herokuworld visit app in your browser https://your_name.herokuapp.com/ Optional test it local: heroku local web check: lolhost:5000 ...

Twilio allows you to send and receive text messages with Node.js by using the twilio-node library to make calls. This guide assumes you've already setup an account with Twilio and have your account SID and the authentication token from the Twilio Console. ParameterDetailstoA valid phone number ...

This topic is based on How to integrate google sign-in, On android apps

Advance ways to manage selections of UITableViewCell. Examples when simple didSelect... form UITableViewDelegate is not enough to achieve something.

Plenty of VBA users consider Worksheets and Sheets objects synonyms. They are not. Sheets object consists of both Worksheets and Charts. Thus, if we have charts in our Excel Workbook, we should be careful, not to use Sheets and Worksheets as synonyms.

This Documentation describe how to build a three node Mongo replica set using Docker Image and auto provisioned using Chef.

Notification channels enable us app developers to group our notifications into groups—channels—with the user having the ability to modify notification settings for the entire channel at once.In Android O this feature is introduced.Right now it is available developers preview. class Notificatio...

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

I've used various Stackoverflow examples and answers to come to this really simple example on how to manage "select all" checkbox coupled with an automatic check/uncheck if any of the group checkbox status changes. Constraint: The "select all" id must match the input names to cr...