formic | Playing with forms | Form library
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QUESTION
Here I used formic with yup . Even I defied some schema for validation and even the values in the inputs full fill that rules formic in combination with YUP always says that the form is invalid even the form values are valid. I am a beginner. So I would be much thankful to you if you could provide some in-depth answer.
Thank you
...ANSWER
Answered 2021-Jun-14 at 15:05Check sandbox, https://codesandbox.io/s/sharp-leftpad-0j792?file=/src/App.js
multiple issues here, component automatically manages onChange to set to formik state,
- you dont need to manage form state separately
- you have to call setFieldValue if you give custom onChange function
- you dont need to pass
value
tocomponent, it is done from within.
QUESTION
I'm trying to figure out how to code table with widgets with sorting/filtering possibility. I use QItemDelegate, QAbstractTableModel, QTableView.
Already checked many threads on this topic which led me to code part of my app.
What I want to understand is how to properly delete rows to keep all these indexes and data coherent. At first I though I got it right, but playing with sorting and deleting more then few times shows very strange behavior for the column with button delete widget.
For example if I keep clicking button in the same table row (eg 5) these delete buttons simply shifts upword while first 3 column are updated correctly. Also some delete button are being duplicated.
Whole code:
...ANSWER
Answered 2021-Jan-09 at 19:46You must create a method that removes a row:
QUESTION
I am trying to build a form using Formic in my React Native App
Here is the relevant code:
...ANSWER
Answered 2020-Sep-12 at 05:20I think you're looking for Formik
not Formic
.
This is the one you're looking for -> https://github.com/formium/formik
QUESTION
Note: We can not use any other library like react-native-element only 'react-native' and 'formik'.
I am not able to integrate a react-native checkbox with formik. Need to set the value of formik form.
If I use the InputFields with formic it is working with the same code.
Checkbox.js
...ANSWER
Answered 2020-Sep-01 at 22:58You can use setFieldValue(fieldName, nextValue)
like doc says:
... instead of directly assigning the callbacks to props, because we have to get the fieldName from somewhere and with React Native we can't get it automatically like in web (using input name attribute). You can also use setFieldValue(fieldName, value) and setFieldTouched(fieldName, bool) as an alternative.
Checkbox.js
QUESTION
I have a large display component (react js)
It has several InputText fields whose logic is managed using FORMIK
I am interested in using the component in several places
But everywhere I want the logic to be different
For example in the part that will only be readOnly or something like that
I thought of using the component several times and each time giving it an object of a different formic
Is this possible?
Is there a smarter solution to this problem
Thanks
...ANSWER
Answered 2020-Jul-19 at 22:08Found
This is certainly possible with the help of withFormik
In this example I used one component twice at a time with different logic
Different start values
Different scheme
And onSubmit is different
Attaches a sample code
QUESTION
I have 3 plots with different scales, and I want align them by 0.
I tried playing with align
in plot_grid
, but without results.
Dataframes for the three different plots:
1
...ANSWER
Answered 2019-Oct-30 at 07:32One way to achieve the desired look is to modify the y-axis range of each plot, such that all three plots have the same proportional length allocated to the negative vs. positive quadrants.
QUESTION
I want to create a multiline Bokeh plot with datetime axis and a hover tool that shows the datetime of the data point. This should be supported and I have tried to obtain the intended behaviour in two ways:
- Use hover.formatters to format the x-value. This has no effect on the plot.
- Add a description variable with the correctly formatted date/time values. This results in a hover tool where all date/time values are displayed in a list for each point.
I have included a smaller example of my code that illustrates my approach and the result. It is used in conjunction with a checkboxgroup that updates the data. This is why a new ColumnDataSource is made from the dataframe.
...ANSWER
Answered 2018-Jul-18 at 10:43The first approach works with the following modification of the hovertool:
QUESTION
) in one certain column that has three lines/rows, in a multi-page html
I want to load the table in a link into a dataframe in R.
The following script successfully extracts the table:
...ANSWER
Answered 2018-Jun-18 at 13:30One of the approach could be
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