
context.WithValue: how to add several key-value pairs
func WithValue(parent Context, key, val interface{}) Context This creates a new Context which is a copy of parent and contains the value val which can be accessed with key. How do I …
The term "Context" in programming? - Stack Overflow
Mar 20, 2015 · Context refers to the execution context, which is the symbols reachable from a given point in the code, and the value of those symbols in that particular execution.
How to change the value of a Context with useContext?
Feb 18, 2019 · 1) Is the useContext hook strictly a means of consuming the context values? 2) Is there a recommended way, using React hooks, to update values from the child component, …
What is context: . in docker-compose? - Stack Overflow
Jan 8, 2021 · context defines either a path to a directory containing a Dockerfile, or a URL to a git repository. In your case, . is a relative path representing the current directory where you run …
Understanding the Python with statement and context managers
Creating context managers is done by implementing __enter__() and __exit__() in a normal class. __enter__() tells what to do when a context manager starts and __exit__() when a context …
java - application context. What is this? - Stack Overflow
My colleagues very often use word "application context". In many articles this collocation used very often too. My current understanding: application context is single xml file. But I understand ...
Getting activity from context in android - Stack Overflow
May 21, 2015 · Context may be an Application, a Service, an Activity, and more. Normally the context of Views in an Activity is the Activity itself so you may think you can just cast this …
build context for docker image very large - Stack Overflow
Oct 28, 2014 · try to use BuildKit with DOCKER_BUILDKIT=1 (as mentioned here); try to split your project into smaller parts to optimize content of build context; if you have a complex …
What is 'Context' on Android? - Stack Overflow
Aug 26, 2010 · In Android programming, what exactly is a Context class and what is it used for? I read about it on the developer site, but I am unable to understand it clearly.
webpack - What is `require.context`? - Stack Overflow
Jan 6, 2019 · In short, you would use require.context in the exact same situation when in Node.js at runtime you would use globs to dynamically build a list of module paths to require. The …