Placeholder Query Data | TanStack Query React Docs
...What is placeholder data? Placeholder data allows a query to behave as if it already has data, similar to the initialData option, but the data is not persisted to the cache. This comes in handy for situations where you have enough partial (or fake) data to render the query successfully while the actual data is fetched in the background....
https://tanstack.com/query/v4/docs/framework/react/guides/placeholder-query-data
How to utilize useQuery for polling & background data fetching
...Whether you need to poll an API at a regular interval, fetch data in the background, or transform the data before it?s returned to the component, options like refetchInterval, refetchIntervalInBackground, and select make it easy to get the job done....
https://www.tecforfun.com/frameworks/how-to-utilize-usequery-for-polling-background-data-fetching/
useQuery | TanStack Query React Docs
...If set, this value will be used as the placeholder data for this particular query observer while the query is still in the loading data and no initialData has been provided....
https://tanstack.com/query/v4/docs/framework/react/reference/useQuery
mysql - SQL - Using placeholders to retrieve rows that are LIKE the ...
...You must not put the ? parameter placeholders inside a quoted SQL string literals in your query. Parameters are an alternative to using string literals. I would write the query like this: WHERE f.foodcategory LIKE ? AND d.drinkvariety LIKE ?...
https://stackoverflow.com/questions/54984673/sql-using-placeholders-to-retrieve-rows-that-are-like-the-placeholder
Polling simplified, with React Query (useQuery) (2025)
...In a nutshell, React Query helps fetch and cache server-side data and share it across the components. It gives us two main hooks for data fetching: useQuery and useMutation. We can use useQuery to fetch data from the network and cache it....
https://sumiskitchen.net/?p=8057
How do I make a placeholder for a 'select' box? - Stack Overflow
...Using an empty value attribute on the "placeholder" option allows validation (via the required attribute) to work around having the "placeholder", so if the option isn't changed, but is required, the browser should prompt the user to choose an option from the list....
https://stackoverflow.com/questions/5805059/how-do-i-make-a-placeholder-for-a-select-box
Ability for Form Placeholder to poll · filamentphp filament ... - GitHub
...We make use of Placeholder in forms, to show data related to the entity. For example let's say we have an EditUser page and form. We are using Placeholder as an example while viewing this page, to show some interesting live updating status about some thing based on this user....
https://github.com/filamentphp/filament/discussions/13459
Ability for Form Placeholder to poll #13479 - GitHub
...We make use of Placeholder in forms, to show data related to the entity. For example let's say we have an EditUser page and form. We are using Placeholder as an example while viewing this page, to show some interesting live updating status about some thing based on this user....
https://github.com/filamentphp/filament/issues/13479
OpenPoll - OpenAPI Quick Poll Specification by Polling.com
...This repository contains the OpenAPI 3.0 specification for generating public polls via URL parameters. With this API, you can create multiple types of polls (multiple choice, checkbox, ranking, text input, star rating) programmatically using URL-encoded query parameters....
https://github.com/PollingInc/openpoll
Raw SQL parameters placeholders | Query Builder
...Placeholders can be used to set user-given values to prevent injection or complex expressions inside a raw SQL string, but they also can help you set dynamic identifiers in your queries....
https://php-query-builder.readthedocs.io/en/stable/query/placeholder.html