by_address | Rust wrapper type | Natural Language Processing library
kandi X-RAY | by_address Summary
kandi X-RAY | by_address Summary
ByAddress can be used to wrap any pointer type (i.e. any type that implements the Deref trait). This includes references, raw pointers, smart pointers like Rc and Box, and specialized pointer-like types such as Vec and String.
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by_address Examples and Code Snippets
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QUESTION
I am making a multi-step form in Rails 5 with Vue.js. I noticed that when a v-if is re-evaluated, the text in the input field gets cleared out. Is there a way to persist the info through the form steps and through other v-if evaluations?
Here's what my form looks like:
...ANSWER
Answered 2017-Sep-11 at 12:45You need to change v-if to v-show.
v-if is “real” conditional rendering because it ensures that event listeners and child components inside the conditional block are properly destroyed and re-created during toggles.
v-if is also lazy: if the condition is false on initial render, it will not do anything - the conditional block won’t be rendered until the condition becomes true for the first time.
In comparison, v-show is much simpler - the element is always rendered regardless of initial condition, with just simple CSS-based toggling.
Generally speaking, v-if has higher toggle costs while v-show has higher initial render costs. So prefer v-show if you need to toggle something very often, and prefer v-if if the condition is unlikely to change at runtime.
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Install by_address
Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.
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