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Pass props to parent component in React.js
Is there not a simple way to pass a child's props to its parent using events, in React.js?
7 Answers
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Unit Testing C Code [closed]
...ject that the company I work for had taken over. I have become quite accustomed to writing unit tests in Java using JUnit but was at a loss as to the best way to write unit tests for existing code (which needed refactoring) as well as new code added to the system.
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Using Vim's tabs like buffers
I have looked at the ability to use tabs in Vim (with :tabe , :tabnew , etc.) as a replacement for my current practice of having many files open in the same window in hidden buffers.
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Dilemma: when to use Fragments vs Activities:
I know that Activities are designed to represent a single screen of my application, while Fragments are designed to be reusable UI layouts with logic embedded inside of them.
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Uses for Optional
...appy with the new API changes. One area I'm still not confident in is when to use Optional . I seem to swing between wanting to use it everywhere something may be null , and nowhere at all.
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Why do we need to install gulp globally and locally?
2 manuals about gulp say that I need to install gulp first globally (with -g flag) and then one more time locally. Why do I need this?
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What is Type-safe?
...ompiler will validate types while compiling, and throw an error if you try to assign the wrong type to a variable.
Some simple examples:
// Fails, Trying to put an integer in a string
String one = 1;
// Also fails.
int foo = "bar";
This also applies to method arguments, since you are passing exp...
How to remove/ignore :hover css style on touch devices
I want to ignore all :hover CSS declarations if a user visits our website via touch device. Because the :hover CSS does not make sense, and it can even be disturbing if a tablet triggers it on click/tap because then it might stick until the element loses focus. To be honest, I don't know why tou...
How does a language expand itself? [closed]
...rning C++ and I've just started learning about some of Qt 's capabilities to code GUI programs. I asked myself the following question:
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Spring Boot not serving static content
I can't get my Spring-boot project to serve static content.
23 Answers
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