quasar | SQL dialect and mathematical meta
kandi X-RAY | quasar Summary
kandi X-RAY | quasar Summary
Quasar is a purely-functional compiler and optimizing planner for queries expressed in terms of the Multidimensional Relational Algebra (MRA). Quasar has support for arbitrary backends, both heavyweight (full evaluation engines) and lightweight (simple reads with optional pushdown of structural operations and columnar predicates), including full classpath isolation for lightweight backends.
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quasar Key Features
quasar Examples and Code Snippets
Community Discussions
Trending Discussions on quasar
QUESTION
I am using Quasar, and I would like the drawer
changes into mini
mode automatically whenever the browser gets smaller by users. For now, it's always opened even I narrows the browser.
It's what I tried below:
...ANSWER
Answered 2021-Jun-11 at 13:21In your code you have made several mistakes;
You are repeating your data property
miniState
as a computed property. TheminiState
property inside the data function will override the computed property; thus it will always befalse
You are not returning a value from your computed property; instead you are only assigning.
Still; window properties such as
innerWidth
is not reactive and watchable in Vue. Please correct me if I am wrong. Thus, watchingwindow.innerWidth
will not trigger every time the window is resized.
Since you are using Quasar, you can make use of the the screen
plugin which comes with Quasar. You dont have to install anything, the screen
plugin is installed by default. Here is the link to the docs.
I have put below a very minimal example of the code with the functionality you required. This is not the code you have put in your post above. I extracted the drawer and the content from the Quasar documentation here
Now the drawer will automatically go into mini
mode when the screen size is below 500 px
; this is of course configurable.
Also; on a side note, if you are only starting with Vue and Quasar, Vue is now upgraded to Vue3
which comes with the composition api. Quasar is also being upgraded to version 2 which supports Vue3
.
Follow the comments below and you will understand the code!
QUESTION
I got this structure with nested routes in my router using Quasar framework (vue 3):
...ANSWER
Answered 2021-Jun-11 at 10:44In the child parent component define a computed property called stateValue
that's based on the store state value and then watch it to trigger that event :
QUESTION
I would like to use a different predeploy
hook per project on a Firebase Hosting multi-projects and multi-sites.
Is it possible?
Currently:
.firebaserc
...ANSWER
Answered 2021-Jun-09 at 03:28You can setup a deploy script inside package.json that runs the appropriate command since there is no way to build firebase-cli tools for every framework and custom integration, you want to inject the deploy command at the end of your own build scripts
"cross-env NODE_ENV=staging quasar build && firebase deploy --only hosting:admin"
Additionally, you also have the "use" feature built-in, but this is more to manage multiple projects with the same site https://firebase.google.com/docs/cli#project_aliases
I also suggest reading the multiple apps per project scenarios demonstrated here: https://firebase.google.com/docs/projects/learn-more#best-practices
QUESTION
I would like to conditionally apply a border to a
3px
wide.
In case a
3px
, but invisible. The reason for that is that I do not want the
to "jump" when the border is visible or not (the border takes some space, and the
will rearrange when it is missing).
I thought that border-style: hidden
would be a solution, but the docs state that
(...) the computed value of the same side's
border-width
will be 0, even if the specified value is something else
Is there a simple way to hide the border, keeping its width for the DOM computations?
(I would like to use generic solutions before jumping into calculating the margin dynamically)
...ANSWER
Answered 2021-Jun-04 at 09:05Basically you can set your border for your class with border: 3px solid transparent;
, then change the color of the hovered div either by border: 3px solid #F54333;
or by border-color: #F54333;
You can see an example below:
QUESTION
i am trying to use Nipplejs in my Vue Project with quasar Components.
I installed nipplejs by npm install nipplejs --save
.
I tried to integrate the nipple with the following code:
...ANSWER
Answered 2021-Jun-03 at 11:46If you would look into the definition of options
variable you created. You would see it is of type { zone: HTMLElement; mode: string; color: string; }
.
You must assign a type to the options
variable.
QUESTION
I am trying to implement server-side pagination for a Quasar QTable, using Vuex and Django Rest Framework as the backend. I am struggling to interpret the documentation for my use case. Currently, I can get the correct number of pages and the first page of results, but the rows-per-page value and the pagination itself does not work. The Quasar docs say there is an @request event but I'm unsure how to incorporate this into my code.
What am I please missing to make this work?
...ANSWER
Answered 2021-Jun-03 at 09:46There is a script in the Quasar documentation Server side pagination, filter and sorting. It shows stubs for the functions needed for server side pagination (onRequest
, fetchFromServer
, getRowsNumberCount
).
In the methods section, you should define onRequest
, which will be called from the framework if you provide it as a callback for the @request
event (see below). It should update rowsNumber
, fetch data from the server, and then update the local pagination object.
This is much like your this.$store.dispatch('matches/getMatches')
call, so try to call this from onRequest
.
In the section, add
QUESTION
I am using firebase or pouchsb / couchdb + vuejs / quasar. My architecture does not imply a server layer as such.
There is a task of the following nature. Let's say that at 14:00 the user creates an order that must be executed at 15:00. What if the browser is closed and then reopened at 14:58?
How to make a promise to be fulfilled after closing and reopening the browser?
...ANSWER
Answered 2021-Jun-02 at 09:41You can't. When the browser is closed (or the page existed) the JS environment goes away and all promises disappear. You need to take a different approach.
A typical approach would be to store the data about the order in (for example) localStorage and then:
- Delete it when the order is executed
- Read it when the page is loaded and:
- put pending orders back on the queue
- handle out-of-date orders however you like (e.g. display an error or submit them late)
QUESTION
I don't want to use xpath on the elements below.
element :img_login, :xpath, '//[@id="main-wrapper"]/div/section/div/div[2]/div/div/div[1]/img' element :msg_login_senha_invalidos, :xpath, '//[@id="main-wrapper"]/div/section/div/div[2]/div/div/div[2]/div/p'
They are on the page as follows: element img_login
...ANSWER
Answered 2021-May-31 at 21:01You have asked multiple questions about converting from using XPath to some other type of selector when using Site-Prism. StackOverflow is meant to be a place to come, learn, and improve your skills - not just to get someone else to do your work. It really seems you'd be better off reading up on CSS and how it can be used to select elements. Also note that there's nothing specifically wrong with using XPath, per se, it's just the way people new to testing and selecting elements on a page tend to use it (just copying a fully specified selector from their browser) that leads to having selectors that are way too specific and therefore brittle. A good site for you to learn about the different general CSS selector options available is https://flukeout.github.io/ - and you can look at the built-in selector types provided by Capybara at https://github.com/teamcapybara/capybara/blob/master/lib/capybara/selector.rb#L18
In your current case the below may work, but with the HTML you have provided all that's possible to say is that they will match the elements shown however they may also match other elements which will give you ambiguous element errors.
QUESTION
I'm trying to add a tooltip to a q-list that is build via code
...ANSWER
Answered 2021-May-30 at 13:35You must replace the static text Some text as content of Tooltip
with interpolation {{ contact.tooltip }}
- and you will see your dynamic tooltips.
QUESTION
I have migrated from Quasar v1 to Quasar v2, and in doing so have moved to Vue 3. I have the code below that worked in Quasar v1 (Vue v2), but now when running in Quasar v2 (Vue v3) I get the following error message in the console when selecting a filter:
...ANSWER
Answered 2021-May-28 at 22:32The migration guide for vue-router 4 doesn't say explicitly, but you can no longer ref the child component via the tag itself. There is a new paradigm mentioned for handling the child's slots that turns out to work for your use case as well; here's the adjusted code:
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