Tutorial by Topics: ode

These are the basic CRUD operations for using mongo db with nodejs. Question: Are there other ways you can do what is done here ?? Answer : Yes, there are numerous way to do this. Question: Is using mongoose necessary ?? Answer : No. There are other packages available which can help you. Qu...

Conceptual Hierarchy In the SharePoint conceptual hierarchy, site collections contain sites, which in turn contain lists. A site collection (SPSite) has no explicit UI but always contains one root level site (accessible through the RootWeb property) and possibly additional subsites under that r...

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

GCC provide some documentation of gcov here Gcovr and Lcov can be used to help generate and summarize the coverage results

The new chrome v8 engine is partially ES7 compliant. So if we add "use strict"; to top of our file (typescript do that when transpiles typescript) we have to make sure that any functions that are on the global scope are actually assigned to the global scope. so we should use self.funct...

For debugging and troubleshooting in Codeigniter, you can use Profiler, part of Output library

QR (Quick Response) codes are two-dimensional barcodes which are widely used on machine-readable optical labels. iOS do provide a way to read the QR codes by using AVFoundation framework from iOS 7 onwards. This framework provides set of API's to setup/open the camera and read QR codes from the came...

Different threads trying to access the same memory location participate in a data race if at least one of the operations is a modification (also known as store operation). These data races cause undefined behavior. To avoid them one needs to prevent these threads from concurrently executing such ...

When a docker build -t mytag . fails with a message such as ---> Running in d9a42e53eb5a The command '/bin/sh -c returned a non-zero code: 127 (127 means "command not found, but 1) it is not trivial for everybody 2) 127 may be replaced by 6 or anything) it may be non trivia...

Authorization is the basically verifies user privileges. MongoDB support different kind of authorization models. 1. Role base access control <br> Role are group of privileges, actions over resources. That are gain to users over a given namespace (Database). Actions are performs on resourc...

Sometimes is more usefull make a call to a model's method in our view, so this is a way to make it

The data.table package has undergone a number of changes and innovations over time. Here are some potential pitfalls that can help users looking at legacy code or reviewing old blog posts.