Error message

Another cell defining df contains errors.

Computers are hard!

👀 Reading hidden code

PlutoUI.WithIOContext(df, displaysize=(99999,99999))

---

Error message

ArgumentError: `DataFrame` constructor from a `Matrix` requires passing :auto as a second argument to automatically generate column names: `DataFrame(matrix, :auto)`

Stack trace

Here is what happened, the most recent locations are first:

DataFrames.DataFrame(matrix::Matrix{Int64})
from dataframe.jl:400
from This cell: line 1
```
df = DataFrame(x)
```

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df = DataFrame(x)

---

100×100 Matrix{Int64}:
 28  29  54  95  95  86  29  52  99  85  …  24   9  68  82  81  58  74  94  80  56
 44  61  26  66  70  87  90  37  76  30     77  25  63  79   2  43  96  74  88  26
 46  63  49  55  92  80  70  92  57  38     88  93  30  67  10  63  90  22  45  18
 92  38  56  15  37  50   8  62  11  69     42  32  85  89  69  49  29  77  74  70
 62  96  54  68  92  51  57  69  55  51     45  61   6  29  94  61  35  51   3   5
 23  84  43  20  80  62  88  36  87  57  …  56  29  96  83  13  23  37  92  13  95
 59  73  51  59  20  80  58  10  19  36     71  53  41  11  97  10  15  11  17  25
  ⋮                   ⋮                  ⋱   ⋮                   ⋮              
 41  56  74  36  47  97  44  28  78  86     59  51  35  52  48  49  81  72  74  36
 25  33   8   3   1  88  62  56  83  99  …  44  55  36  74  65  92  33  50  67  73
 14  88   2   7  99  55  72  92  46  46     68   9  57  22  87  20  20  38  55  10
 60   4  63  64  39  61  31   1  77  51     99  65  40  32  68   7  66  98  61  35
 31  14  32  34  99  17  54  91  74  54     85  15  18  73  36  90  78  90  37  51
  9   2  48   8  92  99  14  11  45  20     66  63  25  93  21  93  31  38  71   9

x = rand(1:99, 100,100)

👀 Reading hidden code

79.7 μs

asdf

asdf

asdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfa|>sdfvv

md"""

asdf

# asdf

```julia

asdf

```

asdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfa|>sdfvv

```

"""

👀 Reading hidden code

219 μs

Any

asdf

100×100 Matrix{Int64}:
 28  29  54  95  95  86  29  52  99  85  …  24   9  68  82  81  58  74  94  80  56
 44  61  26  66  70  87  90  37  76  30     77  25  63  79   2  43  96  74  88  26
 46  63  49  55  92  80  70  92  57  38     88  93  30  67  10  63  90  22  45  18
 92  38  56  15  37  50   8  62  11  69     42  32  85  89  69  49  29  77  74  70
 62  96  54  68  92  51  57  69  55  51     45  61   6  29  94  61  35  51   3   5
 23  84  43  20  80  62  88  36  87  57  …  56  29  96  83  13  23  37  92  13  95
 59  73  51  59  20  80  58  10  19  36     71  53  41  11  97  10  15  11  17  25
  ⋮                   ⋮                  ⋱   ⋮                   ⋮              
 41  56  74  36  47  97  44  28  78  86     59  51  35  52  48  49  81  72  74  36
 25  33   8   3   1  88  62  56  83  99  …  44  55  36  74  65  92  33  50  67  73
 14  88   2   7  99  55  72  92  46  46     68   9  57  22  87  20  20  38  55  10
 60   4  63  64  39  61  31   1  77  51     99  65  40  32  68   7  66  98  61  35
 31  14  32  34  99  17  54  91  74  54     85  15  18  73  36  90  78  90  37  51
  9   2  48   8  92  99  14  11  45  20     66  63  25  93  21  93  31  38  71   9

[md"# asdf", 123, x]

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41.9 ms

"|>"

"|>"

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9.5 μs

String

"|>"

["|>"]

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13.0 μs

100×1 Matrix{Int64}:
 28
 44
 46
 92
 62
 23
 59
  ⋮
 41
 25
 14
 60
 31
  9

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx = x[:,1:n]

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26.2 μs

@bind n Slider(1:99)

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382 ms

begin

using Revise

using PlutoUI

using DataFrames

end

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2.5 s

Float16(3.14)

Float16(pi)

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12.5 μs

3.1415927f0

Float32(pi)

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14.3 μs

3.141592653589793

Float64(pi)

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13.8 μs

Any

3.14

3.14159

3.14159

Any[Float16(pi), Float32(pi), Float64(pi)]

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23.9 μs

Int64

100

x[1,:]

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16.7 μs

Error message

DomainError with -1.0:

sqrt will only return a complex result if called with a complex argument. Try sqrt(Complex(x)).

Stack trace

Here is what happened, the most recent locations are first:

throw_complex_domainerror(f::Symbol, x::Float64)
from math.jl:33
sqrt
from math.jl:567
sqrt
from math.jl:1221
|>(x::Int64, f::typeof(sqrt))
from operators.jl:966
from This cell: line 1
```
-1 |> sqrt
```

Silly computer!

-1 |> sqrt

👀 Reading hidden code

---

100×100 Matrix{Int64}:
 28  29  54  95  95  86  29  52  99  85  …  24   9  68  82  81  58  74  94  80  56
 44  61  26  66  70  87  90  37  76  30     77  25  63  79   2  43  96  74  88  26
 46  63  49  55  92  80  70  92  57  38     88  93  30  67  10  63  90  22  45  18
 92  38  56  15  37  50   8  62  11  69     42  32  85  89  69  49  29  77  74  70
 62  96  54  68  92  51  57  69  55  51     45  61   6  29  94  61  35  51   3   5
 23  84  43  20  80  62  88  36  87  57  …  56  29  96  83  13  23  37  92  13  95
 59  73  51  59  20  80  58  10  19  36     71  53  41  11  97  10  15  11  17  25
  ⋮                   ⋮                  ⋱   ⋮                   ⋮              
 41  56  74  36  47  97  44  28  78  86     59  51  35  52  48  49  81  72  74  36
 25  33   8   3   1  88  62  56  83  99  …  44  55  36  74  65  92  33  50  67  73
 14  88   2   7  99  55  72  92  46  46     68   9  57  22  87  20  20  38  55  10
 60   4  63  64  39  61  31   1  77  51     99  65  40  32  68   7  66  98  61  35
 31  14  32  34  99  17  54  91  74  54     85  15  18  73  36  90  78  90  37  51
  9   2  48   8  92  99  14  11  45  20     66  63  25  93  21  93  31  38  71   9

PlutoUI.WithIOContext(x, :compact => true)

👀 Reading hidden code

8.6 ms

f (generic function with 1 method)

f(x...) = x

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409 μs

:a

:b

f(:a => 2, :b => 3)

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23.1 μs

Error message

MethodError: no method matching f(; a=2, b=3)

Closest candidates are:

f(::Any...) at ~/work/disorganised-mess/disorganised-mess/WithIOContext.jl#==#d2692aa6-1519-11eb-3943-2fa87dde3c98:1 got unsupported keyword arguments "a", "b"

Stack trace

Here is what happened, the most recent locations are first:

from This cell: line 1
```
f(;a = 2, b = 3)
```

f(;a = 2, b = 3)

👀 Reading hidden code

---

Error message

MethodError: no method matching f(; a=2, b=3)

Closest candidates are:

f(::Any...) at ~/work/disorganised-mess/disorganised-mess/WithIOContext.jl#==#d2692aa6-1519-11eb-3943-2fa87dde3c98:1 got unsupported keyword arguments "a", "b"

Stack trace

Here is what happened, the most recent locations are first:

from This cell: line 1
```
f(a = 2, b = 3)
```

f(a = 2, b = 3)

👀 Reading hidden code

---

g (generic function with 1 method)

g(x...; y...) = [x...,y...]

👀 Reading hidden code

1.2 ms

Pair{Symbol, Int64}

:a

g(:a => 2)

👀 Reading hidden code

19.1 μs

Pair{Symbol, Int64}

:a

:b

g(a = 2, b = 3)

👀 Reading hidden code

13.4 ms

h (generic function with 1 method)

h(a, b...; c...) = [b..., c...]

👀 Reading hidden code

1.2 ms

Pair{Int64, Int64}

h(1, 2=>3)

👀 Reading hidden code

18.4 μs

WithIOContext

begin

struct WithIOContext

context_properties

end

WithIOContext(x, props::Pair...; moreprops...) = WithIOContext(x, [props..., moreprops...])

end

👀 Reading hidden code

2.2 ms

function Base.show(io::IO, m::MIME"text/plain", w::WithIOContext)

Base.show(IOContext(io, w.context_properties...), m, w.x)

end

👀 Reading hidden code

3.3 ms

100×100 Matrix{Int64}:
 28  29  …  56
 44  61     26
 46  63     18
  ⋮      ⋱  
 31  14     51
  9   2      9

WithIOContext(x, :a => false, compact = true, cols=3, displaysize=(10,20))

👀 Reading hidden code

52.3 ms

100×100 Array{Int64, 2}:
 28  29  54  95  95  86  29  52  99  85  …  24   9  68  82  81  58  74  94  80  56
 44  61  26  66  70  87  90  37  76  30     77  25  63  79   2  43  96  74  88  26
 46  63  49  55  92  80  70  92  57  38     88  93  30  67  10  63  90  22  45  18
 92  38  56  15  37  50   8  62  11  69     42  32  85  89  69  49  29  77  74  70
 62  96  54  68  92  51  57  69  55  51     45  61   6  29  94  61  35  51   3   5
 23  84  43  20  80  62  88  36  87  57  …  56  29  96  83  13  23  37  92  13  95
 59  73  51  59  20  80  58  10  19  36     71  53  41  11  97  10  15  11  17  25
  ⋮                   ⋮                  ⋱   ⋮                   ⋮              
 41  56  74  36  47  97  44  28  78  86     59  51  35  52  48  49  81  72  74  36
 25  33   8   3   1  88  62  56  83  99  …  44  55  36  74  65  92  33  50  67  73
 14  88   2   7  99  55  72  92  46  46     68   9  57  22  87  20  20  38  55  10
 60   4  63  64  39  61  31   1  77  51     99  65  40  32  68   7  66  98  61  35
 31  14  32  34  99  17  54  91  74  54     85  15  18  73  36  90  78  90  37  51
  9   2  48   8  92  99  14  11  45  20     66  63  25  93  21  93  31  38  71   9

WithIOContext(x, :compact => false)

👀 Reading hidden code

20.8 μs

In the cloud (experimental)

On your computer

Frontmatter

Preview

asdf

asdf