Tutorial by Topics: o

CSS Variables allow authors to create reusable values which can be used throughout a CSS document. For example, it's common in CSS to reuse a single color throughout a document. Prior to CSS Variables this would mean reusing the same color value many times throughout a document. With CSS Variables ...

Environment variables in dynamic inventory won't work, f.e. "ansible_ssh_private_key_file": $HOME/.ssh/key.pem" If the dynamic inventory server side passes $HOME for example, replace the variable in the client code (Python): json_input.replace("$HOME", os.environ.get(...

JSONField(**options) Django's JSONField actually stores the data in a Postgres JSONB column, which is only available in Postgres 9.4 and later. JSONField is great when you want a more flexible schema. For example if you want to change the keys without having to do any data migratio...

Rust uses Result<T, E> values to indicate recoverable errors during execution. Unrecoverable errors cause Panics which is a topic of its own. Details of error handling is described in The Rust Programming Language (a.k.a The Book)

ParameterExplanationansible_connectionConnection type to the host. This can be the name of any of ansible’s connection plugins. SSH protocol types are smart, ssh or paramiko. The default is smart. Non-SSH based types are described in the next section.ansible_hostThe name of the host to connect to, ...

Umbraco is an open source, MIT-Licensed .NET content management system. Initially created by Danish developer Niels Hartvig in 2000 as a hobby project, Umbraco was released as open source in 2004 and has since been developed and maintained continuously by a core team made up of paid Umbraco employ...

ActiveModel was created to extract the model behavior of ActiveRecord into a separate concern. This allows us to use ActiveModel behavior in any object, not just ActiveRecord models. ActiveRecord objects include all of this behavior by default.

In Component(s): props is an array of string literals or object references used to pass data from parent component. It can also be in object form when it is desired to have more fine grained control like specifying default values, type of data accepted, whether it is required or optional data h...

Quaternion.LookRotation(Vector3 forward [, Vector3 up]); Quaternion.AngleAxis(float angles, Vector3 axisOfRotation); float angleBetween = Quaternion.Angle(Quaternion rotation1, Quaternion rotation2);

Python 2 Docs: [https://docs.python.org/2/library/locale.html#locale.currency][1]

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

Errors detected during execution are called exceptions and are not unconditionally fatal. Most exceptions are not handled by programs; it is possible to write programs that handle selected exceptions. There are specific features in Python to deal with exceptions and exception logic. Furthermore, exc...

Web scraping is an automated, programmatic process through which data can be constantly 'scraped' off webpages. Also known as screen scraping or web harvesting, web scraping can provide instant data from any publicly accessible webpage. On some websites, web scraping may be illegal. Useful P...

Devise is a very powerful gem, it allows you to sign up, sign in and sign out options just after installing. Moreover user can add authentications and restrictions to its applications. Devise also come with its own views, if user wants to use. A user can also customize sign up and sign in forms acco...