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In many applications, records from MongoDB need to be serialized in JSON format. If your records have fields of type date, datetime, objectId, binary, code, etc. you will encounter TypeError: not JSON serializable exceptions when using json.dumps. This topic shows how to overcome this.

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.

One of the most common errors we find in Vue code on StackOverflow is the misuse of this. The most common mistakes fall generally in two areas, using this in callbacks for promises or other asynchronous functions and using arrow functions to define methods, computed properties, etc.

This section provides an overview of what wso2-am is, and why a developer might want to use it. It should also mention any large subjects within wso2-am, and link out to the related topics. Since the Documentation for wso2-am is new, you may need to create initial versions of those related topi...

Often times we have to create some components which perform some actions/operations on data and we require that in the parent component. Most of the times vuex would be a better solution, but in cases where the child component's behavior has nothing to do with application state, for instance: A rang...

In this topic I will overview spring boot package scanning. You can find some basic information in spring boot docs in the following link (using-boot-structuring-your-code) but I will try to provide more detailed information. Spring boot, and spring in general, provide a feature to automatically s...

NSObject is the root class of Cocoa, however the Objective-C language itself does not define any root classes at all its define by Cocoa, Apple's Framework.This root class of most Objective-C class hierarchies, from which subclasses inherit a basic interface to the runtime system and the ability to ...

Convert Map to List in java 8 using stream api

It's worth noting that on declaring a reference type, its initial value will be null. This is because it does not yet point to a location in memory, and is a perfectly valid state. However, with the exception of nullable types, value types must typically always have a value.

Laravel provides a simple way to authorise user actions on specific resources. With Authorization, you can selectively allow users access to certain resources while denying access to others. Laravel provides a simple API for managing user authorizations by using Gates and Policies. Gates provide a s...

Intellij IDEA provides lots of code inspections, that can significantly simplify writing code. Inspections parameters can be found in Preferences | Editor | Inspections section. By default, IDEA has lots of them enabled. And lots of inspections support auto-fixing options, that can be seen on press...

How to configure your EF model to support entity splitting or table splitting.

Project json is a project configuration file structure, temporarily used by asp.net-core projects, before Microsoft moved back to the csproj files in favor of msbuild.

Dplyr and many modern libraries in R use non-standard evaluation (NSE) for interactive programming and standard evaluation (SE) for programming1. For instance, the summarise() function use non-standard evaluation but relies on the summarise_() which uses standard evaluation. The lazyeval library m...

Data types are nothing but variable you used to reserve some space in memory. Python variables do not need an explicit declaration to reserve memory space. The declaration happens automatically when you assign a value to a variable.

It's useful to have a T-SQL script for creating and configuring a new database and user for Alfresco Installation purposes. It's boring and time-consuming to jump around many pages on MSDN. I provide the script hereafter: Guidelines for preparing Alfresco Instalation to a SQLServer database,...

We can utilize CI's shopping cart library when we are building a e-commerce site. we can setup add to cart, update cart items, delete cart items and even clear the cart functionalities using this library. From CodeIgniter Doc : The Cart Class permits items to be added to a session that stays active...