Yes,
That's because the 2 first return we get from the server, the query is not
finish, therefore we don't have the new result.
Using only %html wihtout string interpolation might not have this behavior
though
On Thu, Nov 19, 2015 at 7:01 PM, Partridge, Lucas (GE Aviation) <
lucas.partri...@ge.com> wrote:
> Typo:
>
> “…and run the paragraph you’ll see ‘Hello Bob!’ appear in the paragraph 3
> times.”
>
> should be:
>
> “…and run the paragraph you’ll see ‘Hello Bob!’ appear in the Javascript
> console 3 times.”
>
>
>
> *From:* Partridge, Lucas (GE Aviation)
> *Sent:* 19 November 2015 09:52
> *To:* users@zeppelin.incubator.apache.org
> *Subject:* RE: %html directive errors: 'invalid string interpolation' and
> 'unclosed character literal'
>
>
>
> Hi Corneau,
>
>
>
> Thanks for the explanation. It definitely seems to be executed 3 times, in
> zeppelin-0.5.0-incubating at least. It just means the user has to be
> careful to make sure their HTML code executes only once, or at least that
> it doesn’t matter if it does executes more than once.
>
>
>
> Another interesting thing is that if you change the code and re-run the
> paragraph - the first 2 executions still use the previous version of the
> code; only the 3rd execution uses the new code. So when you’re watching
> the output in the Javascript console you just have to make sure you only
> look at the output for the 3rd execution! For example, if you paste this
> into a paragraph:
>
>
>
> print(s"""%html <div id="myDiv2" style="height:1px"></div>
>
> <script>
>
> jQuery('#myDiv2').ready(function() {
>
> console.log('Hello Bob!');
>
> });
>
> </script>
>
> """)
>
>
>
> …and run the paragraph you’ll see ‘Hello Bob!’ appear in the paragraph 3
> times. If you then change Bob to Fred and run the paragraph again, you’ll
> see ‘Hello Bob!’ twice, followed by ‘Hello Fred!’. (And if you run the
> paragraph again, without changing any code this time, you’ll see ‘Hello
> Fred!’ three times.)
>
>
>
> I’m not sure if this is a bug but I thought you and other users ought to
> be aware of this in case they’re struggling to understand the output from
> their code…
>
> Lucas.
>
>
>
> *From:* Corneau Damien [mailto:cornead...@gmail.com <cornead...@gmail.com>]
>
> *Sent:* 19 November 2015 01:30
> *To:* users@zeppelin.incubator.apache.org
> *Subject:* Re: %html directive errors: 'invalid string interpolation' and
> 'unclosed character literal'
>
>
>
> Hi Lucas,
>
> The code might indeed be rendered multiple times since we receive the note
> back for every step of the query, Like query start, query finishes etc...
>
> Although I thought I reduced it to 2 calls instead of 3 before.
>
> It's something that could probably be improved in Zeppelin by sending back
> more specific response messages.
>
> For example:
> * Sending back only the running paragraph instead of the full note
>
> * Sending back only the paragraph new status instead of the full note
>
> etc...
>
>
>
>
>
> On Wed, Nov 18, 2015 at 6:37 PM, Partridge, Lucas (GE Aviation) <
> lucas.partri...@ge.com> wrote:
>
> Hi moon,
>
>
>
> Thanks very much for that! Yes, replacing $ with jQuery worked (regardless
> of whether I used single or double quotes around #myDiv). I’ll be careful
> with $ signs in %html directives with string interpolation thenJ.
>
>
>
> Note that the alert box pops up 3 times in all. Did you get that when you
> ran the code? This relates to my previous postscript about the code being
> executed 3 times in a paragraph. Is this expected behaviour?!
>
>
>
> Thanks, Lucas.
>
>
>
>
>
> *From:* moon soo Lee [mailto:m...@apache.org]
> *Sent:* 18 November 2015 01:04
> *To:* users@zeppelin.incubator.apache.org
> *Subject:* Re: %html directive errors: 'invalid string interpolation' and
> 'unclosed character literal'
>
>
>
> Hi Lucas,
>
>
>
> Could you try
>
>
>
> jQuery("#myDiv")
>
>
>
> instead of
>
>
>
> $('#myDiv')
>
>
>
> ? It might help.
>
>
>
> Thanks,
>
> moon
>
>
>
>
>
> On Wed, Nov 18, 2015 at 1:30 AM Partridge, Lucas (GE Aviation) <
> lucas.partri...@ge.com> wrote:
>
> Hi,
>
>
>
> I want to use string interpolation in a notebook paragraph so I can pass
> variables from Scala into an %html directive for inline visualization.
> (Indeed there’s an example of this at
> https://www.zeppelinhub.com/viewer/notebooks/aHR0cHM6Ly9yYXcuZ2l0aHVidXNlcmNvbnRlbnQuY29tL0xlZW1vb25zb28vemVwcGVsaW4tZXhhbXBsZXMvbWFzdGVyLzJCMlhLRkNETS9ub3RlLmpzb24
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.zeppelinhub.com_viewer_notebooks_aHR0cHM6Ly9yYXcuZ2l0aHVidXNlcmNvbnRlbnQuY29tL0xlZW1vb25zb28vemVwcGVsaW4tZXhhbXBsZXMvbWFzdGVyLzJCMlhLRkNETS9ub3RlLmpzb24&d=CwMFaQ&c=IV_clAzoPDE253xZdHuilRgztyh_RiV3wUrLrDQYWSI&r=c1CCNND4PG-Q_V2AJWDWrugZAXQ8Y3EE_f_mAHcpXcs&m=Ae4dMdeREmT6sBWn3LGYs8SWCPEciyDs49lZV14H1M0&s=SyunP56W9DpMp9aYSQvtvj3XvXdmzxdJWH9xuZBVQhk&e=>
> )
>
>
>
> However I’m getting weird errors when I try to use string interpolation.
> Here’s a very simple example that illustrates the problem. Try pasting
> this into a Zeppelin paragraph:
>
>
>
> print(s"""%html <div id="myDiv" style="height:400px"></div>
>
> <script>
>
> $('#myDiv').ready(function() {
>
> alert('My div is loaded!');
>
> });
>
> </script>
>
> """)
>
>
>
> When I run the paragraph I get these errors:
>
>
>
> <console>:1: error: invalid string interpolation: `$$', `$'ident or
> `$'BlockExpr expected
>
> print(s"""%html <div id="myDiv" style="height:400px"></div>
>
> ^
>
>
>
> <console>:3: error: unclosed character literal
> $('#myDiv').ready(function() {
>
>
> ^
>
>
>
> Does anyone know how to fix these errors please? (I can get rid of the
> second error by replacing the single quotes with double quotes in
> $('#myDiv') but I’m not sure that’s the right thing to do!)
>
>
>
> Many thanks,
>
> Lucas.
>
>
>
> PS Incidentally I’ve noticed in the browser’s Javascript console that the
> paragraph seems to get executed 3 times! Is this expected behaviour? I’m
> using a standalone installation of the binary zeppelin-0.5.0-incubating.
>
>
>
>
>
