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Posts by toraritte
For example, given this function head, this is the hint that is generated: let updateCell workbook sheetIndex rowIndex columnIndex value = // XSSFWorkbook -> int -> int -> int -> stri...
Are any of the popular Excel .NET projects have a functionality similar to Apache POI's DataValidationEvaluator class?
I have little to no idea what happens after a client obtains the server's certificate. It has to make sure that it (somehow) valid, but how?
I have to keep reminding myself that a Giraffe project plugs into the ASP.NET Core pipeline or is itself an ASP.NET Core application , so if I can't find answers to my questions in the Giraff...
Having some trouble with giraffe-template on Mac M1, so decided to set up a Giraffe project manually. Started following the Doing it manually section of the Giraffe README, but got stuck right away...
Just found the How Can I Combine Two or More QuerySets in a Django View? article by James W. that perfectly answers my question (and just learned that a "Django model query" is called a QuerySet). ...
Short answer The HTML specification only addresses scroll position restoration behavior, so the main factors that influences where focus will land when navigating the browser history are: user ...
As far as I can tell (from F# at least), cell can only be colored using predefined NPOI.SS.UserModel.IndexedColors. From the available methods / properties, val it: ICellStyle = NPOI.XSSF.UserM...
Paraphrasing the F# language guide's let Bindings in Classes article: A let binding in a class creates a private field or function; to expose data or functions publicly, declare a property or a...
Taking the example from this Stackoverflow question: type Vector2D(dx : float, dy : float) = static let zero = Vector2D(0.0, 0.0) static let onex = Vector2D(1.0, 0.0) static let ...
0. State of the art (as 11/22/2023) The NPOI.SS.Formula.DataValidationEvaluator class seems to mirror Apache POI's DataValidationEvaluator class, but NPOI's version only implemented the IsType met...
> "lo" <> "fa" "lofa" > 1 <> 2 Error found: in module $PSCI at :1:1 - 1:7 (line 1, column 1 - line 1, column 7) No type class instance was found for ...
On top of values seemingly coming from nowhere in multiple columns, they also affect each other's behavior: In the GIF below, if the cells in the left column have no value selected, then there is n...
I have to modify a legacy Django web application where there are 2 tables to store the same information using the same database structure, and the only difference is the names of the tables (and th...
Asked How to implement map using the fish (>=>, Kleisli composition) operator in F#? a couple of hours ago, and r~~'s answer blew my mind: let map f = id >=> switch f It is perfect ...
NOTE The meaning of the word "program" below is (PROGRAM) A federal or state initiative that offers grants for non-profits so that they can provide service at low cost or free of charge. a...
These are the methods I know of: Set the form's target attribute to _blank. Add submit event listeners (e.g., this SO thread). In the proprietary web app that I have to work with, every form...
I'm learning monadic composition through Scott Wlaschin's Railway-oriented Programming post. Oncebind, switch, and >=> functions are defined, he introduces map to show how to "turn a one-trac...
The F# language guide (see Signatures article) has a very sparse definition of what a "sealed" type is: Attribute Description [<Sealed>] For a type that has no abstract me...
Solved this by writing my own clone function: open System.Reflection let cloneCellStyle (cell: NPOI.XSSF.UserModel.XSSFCell) = let original = cell.CellStyle // printfn "ORIGINAL: %A"...
The answer provided in the How to set the cell color to a user defined value using NPOI from F#? thread solves the problem of how to set the right properties using F#, but it uses a new ICellStyle ...
I failed to notice that a cell's CellStyle property returns the generic ICellStyle, which has to be cast down to NPOI.XSSF.UserModel.XSSFCellStyle in order to gain access to the FillBackgroundXSSFC...
It took a day and a half, but found it: 1. LEFT column's valid values, Assessed and Pending Started with the left column, because if it is not set, then the right column is "inactive", so it clea...
Here's a list of popular Excel .NET projects that don't have this functionality: Has built-in cell validation? Open XML SDK no* NPOI no* EPPlus no? (see section 3. be...
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