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平时一部分工作重心在 BI 可视化搭建，所以准备出个系列，把这部分心得分享一下。这一篇从理论上思考一下为何要抽象可视化搭建，以及如何抽象。
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[精读《如何抽象可视化搭建》](https://github.com/ascoders/weekly/blob/master/%E5%8F%AF%E8%A7%86%E5%8C%96%E6%90%AD%E5%BB%BA/268.%E7%B2%…
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The following works in PA but gives a runtime error in C# interpreter:
`Upper(GUID("2f8f55fb-4009-4cb6-82aa-4135dbb7244c"))`
https://github.com/microsoft/Power-Fx/blob/2ee0b4896d8f0750fab992420503…
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Do you have a sample of the PowerFX command ParseJSON?
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### Library
Web Components (@fluentui/web-components)
### Describe the feature that you would like added
Would love to see the new Power Pages, PowerFx, Power Platform, and various other icon…
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`Color.Red` expression causes crash:
System.InvalidCastException: Unable to cast object of type 'System.Double' to type 'System.UInt32'.
at Microsoft.PowerFx.Core.IR.IRTranslator.IRTranslatorVi…
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Add these methods to TypeCoercionProvider
https://github.com/microsoft/Power-Fx/blob/main/src/libraries/Microsoft.PowerFx.Interpreter/Marshal/TypeCoercionProvider.cs
// Switch on existin…
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We should avoid using Task.WhenAll within the interpreter.
Task.WhenAll runs in parallel, and is used by ForAll and other table functions.
Note that we currently expect parallel semantics in th…
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`-Date(1900,1,1)`
`-Time(12,0,0)`
`-DateTime(1900,1,1,12,0,0)`
Results in this exception, where Args has a null, as the Date value was filtered out in argument preprocessing:
**System.NullRefere…
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PowerFx is for "low code", and so we shouldn't be getting 100k length strings. The motivation here is to protect against excessively large expressions. SQL engine sets this to 1000 characters.
The h…
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Review remaining cases in https://github.com/microsoft/Power-Fx/tree/main/src/tests/Microsoft.PowerFx.Core.Tests/ExpressionTestCases/NotYetReady
Can we enable? Or put to post GA?