| # Forward-backward IIR filter that uses Gustafsson's method. | |
| # | |
| # Apply the IIR filter defined by `(b,a)` to `x` twice, first forward | |
| # then backward, using Gustafsson's initial conditions [1]_. | |
| # | |
| # Let `y_fb` be the result of filtering first forward and then backward, | |
| # and let `y_bf` be the result of filtering first backward then forward. | |
| # Gustafsson's method is to compute initial conditions for the forward | |
| # pass and the backward pass such that `y_fb == y_bf`. | |
| # |
| julia> using StructArrays | |
| julia> begin | |
| g(x::StructArray{<:Tuple{String}}) = nothing | |
| g(x::StructArray{<:Tuple{Integer}}) = nothing | |
| function f(x) | |
| # ok, yes, this line is fairly contrived, but this is a short-hand for | |
| # building a partial type-instability -- something that happens frequently | |
| z1 = Core.compilerbarrier(:type, x)::StructArray{<:Tuple{Nothing}} | |
| z2 = g(z1) |
| using Cassette, ReplMaker | |
| Cassette.@context NoNaN | |
| nonnan(s, x::Number) = (@assert(!isnan(x), string(s, " returned NaN")); x) | |
| nonnan(s, A::AbstractArray) = (foreach(x->nonnan(s, x), A); A) | |
| nonnan(s, x) = x | |
| Cassette.overdub(::NoNaN, f, args...) = nonnan("$f$args", f(args...)) |
| using HTTP, JSON, DataFrames, Dates, CSV | |
| function cumulative(dates) | |
| start_date = Dates.format(minimum(dates)-step(dates), "YYYY-mm-dd") | |
| end_date = Dates.format(maximum(dates), "YYYY-mm-dd") | |
| colnames = [] | |
| cols = [] | |
| for report in ("signups", "posts", "likes", "page_view_total_reqs", "topics") | |
| r = HTTP.get("https://discourse.julialang.org/admin/reports/$report.json?end_date=$end_date&start_date=$start_date", | |
| ["Api-Key"=> ENV["JULIA_DISCOURSE_API_KEY"], "Api-Username"=> ENV["JULIA_DISCOURSE_USERNAME"]]) |
| diff -Naur bash-completion-1.3/completions/Makefile.am bash-completion-1.3-mac/completions/Makefile.am | |
| --- bash-completion-1.3/completions/Makefile.am 2011-01-21 04:36:11.000000000 -0500 | |
| +++ bash-completion-1.3-mac/completions/Makefile.am 2011-02-22 22:02:25.000000000 -0500 | |
| @@ -33,6 +33,7 @@ | |
| cvs \ | |
| cvsps \ | |
| dd \ | |
| + defaults \ | |
| dhclient \ | |
| dict \ |
| # This file is machine-generated - editing it directly is not advised | |
| [[AbstractFFTs]] | |
| deps = ["LinearAlgebra"] | |
| git-tree-sha1 = "380e36c66edfa099cd90116b24c1ce8cafccac40" | |
| uuid = "621f4979-c628-5d54-868e-fcf4e3e8185c" | |
| version = "0.4.1" | |
| [[Arpack]] | |
| deps = ["BinaryProvider", "Libdl", "LinearAlgebra"] |
| $ ./julia | |
| _ | |
| _ _ _(_)_ | Documentation: https://docs.julialang.org | |
| (_) | (_) (_) | | |
| _ _ _| |_ __ _ | Type "?" for help, "]?" for Pkg help. | |
| | | | | | | |/ _` | | | |
| | | |_| | | | (_| | | Version 1.3.0-alpha.148 (2019-08-16) | |
| _/ |\__'_|_|_|\__'_| | Commit b5f4e87774 (3 days old master) | |
| |__/ | |
| { | |
| /* Ctrl shortcuts from Emacs */ | |
| "^l" = "centerSelectionInVisibleArea:"; /* C-l Recenter */ | |
| "^/" = "undo:"; /* C-/ Undo */ | |
| "^_" = "undo:"; /* C-_ Undo */ | |
| "^ " = "setMark:"; /* C-Spc Set mark */ | |
| "^\@" = "setMark:"; /* C-@ Set mark */ | |
| /* "^w" = "deleteToMark:"; /* C-w Delete to mark */ | |
| /* TextMate-like addenda */ |
Currently the AbstractArray type hierarchy has three major subtype trees:
In addition, we have the StridedArray typealias, which effectively “adds” strided SubArrays and ReshapedArrays as pseudo-subtypes of DenseArrays.
We also have the IndexStyle trait.