[LRUG] [Help request] Programmatically inserting user data into js chart

Thu Jun 9 06:24:51 PDT 2016

That did it!!!

<%= raw JSON.pretty_generate @jsonish %> has it working perfectly. Thanks
so much everyone for your help with this!

On Thu, Jun 9, 2016 at 9:21 AM, Craig R Webster <craig at barkingiguana.com>
wrote:

> Hi Jesse,
>
> You probably want to output the raw JSON in your view. Rails HTML escapes
> it by default for safety:
>
>
> http://api.rubyonrails.org/classes/ActionView/Helpers/OutputSafetyHelper.html#method-i-raw
>
> Try something like this:
>
> <%= raw JSON.pretty_generate @jsonish %>
>
> Yours,
> Craig | http://barkingiguana.com/
> --
> Barking Iguana Ltd. is a company registered in England and Wales.
> Registered number: 08915147. Registered address: Jubilee House, East
> Beach, Lytham, St. Annes, Lancashire, England, FY8 5FT.
>
> On 9 Jun 2016, at 13:56, Jesse Waites <jesse.waites at gmail.com> wrote:
>
> Thanks Oto!
>
> So strange...
>
> def make_jsonish(array)
>       elements = array.each_with_index.map { |num, i|
>         { key: i, value: num}
>       }
>
>     end
>
> without json pretty generate now is:
>
> @jsonish: [{:key=>0, :value=>5}, {:key=>1, :value=>3}, {:key=>2,
> :value=>2}]
>
> In the page source, it is:
>
> var dataset =
>
> [{:key=>0, :value=>5}, {:key=>1, :value=>3}, {:key=>2,
> :value=>2}] ;
>
>
> which is the greater than sign in HTML. So weird!!!
>
> On Thu, Jun 9, 2016 at 2:20 AM, Oto Brglez <otobrglez at gmail.com> wrote:
>
>> Hey!
>>
>> Loose "JSON.pretty_generate" at the and new-lines will go away.
>>
>> Cheers!
>>
>> - Oto
>>
>> On Wed, Jun 8, 2016 at 11:53 PM Jesse Waites <jesse.waites at gmail.com>
>> wrote:
>>
>>> Update: I tried it with Tom's pretty generate JSON method and am a
>>> little closer - @jsonish is now:
>>>
>>> @jsonish: "[\n {\n \"key\": 0,\n \"value\": 5\n },\n {\n \"key\": 1,\n
>>> \"value\": 3\n },\n {\n \"key\": 2,\n \"value\": 2\n }\n]"
>>>
>>> So looks like I need to strip the new lines out? Or rather, not put them
>>> in in the first place? Its good to know I was close in my solution path.
>>>
>>> On Wed, Jun 8, 2016 at 1:03 PM, John Cinnamond <jc at panagile.com> wrote:
>>>
>>>> As an aside, `map` returns an enumerator if you don’t give it a block,
>>>> and enumerators have a `with_index` method. So instead of:
>>>>
>>>>     array.each_with_index.map { |value, idx| … }
>>>>
>>>> You can say:
>>>>
>>>>     array.map.with_index { |value, idx| … }
>>>>
>>>> This only saves you 5 characters, but I think it makes the intent
>>>> slightly clearer.
>>>>
>>>>
>>>> On Wed, 08 Jun 2016 at 17:57 Tom Stuart <Tom Stuart
>>>> <Tom+Stuart+%3Ctom at codon.com%3E>> wrote:
>>>>
>>>>> On 8 Jun 2016, at 14:32, Jesse Waites <jesse.waites at gmail.com> wrote:
>>>>> > def make_jsonish(array)
>>>>> > array.each_with_index do |num, i|
>>>>> > puts "{ key: #{i}, value: #{num}},"
>>>>> > end
>>>>> > end
>>>>>
>>>>> This looks pretty close to being right, but you want to return a
>>>>> string by joining all the individual lines, not print them out. For example:
>>>>>
>>>>> def make_jsonish(array)
>>>>> array.each_with_index.map { |num, i|
>>>>> "{ key: #{i}, value: #{num}},"
>>>>> }.join("\n")
>>>>> end
>>>>>
>>>>> Less significantly, it would be better to rely on Ruby to turn the
>>>>> resulting data structure (including enclosing square brackets) into JSON
>>>>> for you, so that you’re not responsible for the conversion yourself:
>>>>>
>>>>> def make_jsonish(array)
>>>>> elements = array.each_with_index.map { |num, i|
>>>>> { key: i, value: num}
>>>>> }
>>>>> JSON.pretty_generate(elements)
>>>>> end
>>>>>
>>>>> Cheers,
>>>>> -Tom
>>>>> _______________________________________________
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>>>>
>>>>
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>>>
>>>
>>> --
>>> Jesse Waites
>>> JesseWaites.com <http://jessewaites.com/>
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>>
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>
>
> --
> Jesse Waites
> JesseWaites.com <http://jessewaites.com/>
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-- 
Jesse Waites
JesseWaites.com
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