Ruby on Rails

Hi

On Tue, Mar 1, 2016, at 07:44, fugee ohu wrote:
> In my view:
>
> <a href= "<%= task.name %>" data-description = "<%= task.comment %>"
> data-gallery ><%= image_tag(task.name.thumb) %></a>
>

I don't know if it's typo in your mail or you just don't notice but
this:

<a href= "<%= task.name %>" data-description = "<%= task.comment %>"
data-gallery >

will have an empty data-description attribute because there are spaces
between the equal sign so they just become another attributes
(data-description = "content" -> three different attributes, two of
which are invalid).

Correct one is:

<a href="<%= task.name %>" data-description="<%= task.comment %>"
data-gallery>

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Thank you, Thank you, Thank you!, removing the nil? actually worked.
Question How friendly is rails with videos, I also want to upload
videos. but can't seem to find any tutorials on doing that.

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> On Feb 29, 2016, at 8:39 PM, fugee ohu <fugee279@gmail.com> wrote:
>
>
>
> On Monday, February 29, 2016 at 9:39:28 AM UTC-5, Walter Lee Davis wrote:
>
> > On Feb 28, 2016, at 7:24 PM, fugee ohu <fuge...@gmail.com> wrote:
> >
> >
> >
> [snip]
>
> > > Here's the code they provide, I tried but it doesn't have any effect so far
> > >
> > > blueimp.Gallery(
> > > document.getElementById('links'),
> > > {
> > > onslide: function (index, slide) {
> > > var text = this.list[index].getAttribute('data-description'),
> >
> > For the preceding line to work, your element needs to have the attribute data-description on it. Does it?
> >
> > > node = this.container.find('.description');
> >
> > For the preceding line to work, you need to have an empty HTML element with the classname description present in the page, within the container element of the slide (no clue where that means, I'm just interpreting the code for you). If that element exists, then it will be emptied and re-filled with the description.
> >
> > > node.empty();
> > > if (text) {
> > > node[0].appendChild(document.createTextNode(text));
> > > }
> > > }
> > > }
> > > );
> >
> > My guess is that you are missing one or more of these antecedents, and without them, the JS won't have anything to work with.
> >
> > Walter
> >
> >
> > hi, thanks, i dunno what you mean by an empty html element with the classname description, i think you mean <div class="description"> but that's not my view Here's my view:
> >
> > <div id="links">
> > <table>
> > <% @profile.pictures.in_groups_of(5, false) do |row_tasks| %>
> > <tr>
> > <% for task in row_tasks do %>
> > <td><a href= "<%= task.name %>" data-description = "<%= task.comment %>" data-gallery ><%= image_tag(task.name.thumb) %></a></td>
> > <% end %>
> > <% end %>
> > </tr>
> > </table>
> > </div>
>
> Yes, you did get what I meant. Reading through the portion of the script you provided, I can't see where that element needs to be. Perhaps it is added by the lightbox code when it creates the overlay elements. In any case, you have added the correct data attributes to the link, so that part looks right. In the example for the gallery, was there any reference to creating a separate structure in the page html to receive the description? In the documentation, do they have an example page coded in HTML that includes a secondary overlay element or similar? Or is it all generated by the JS code when the page loads?
>
> Walter
>
> >
> > --
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>
>
> No, there isn't The docs are at https://github.com/blueimp/Gallery/blob/master/README.md#setup and the relevant section is headed Additional Gallery Elements about 3/4 of the way down ~ fugue

Start here, and see that you do need to add a description element (empty) if you want it to be updated with the value you set in the data-description attribute.

https://github.com/blueimp/Gallery/blob/master/README.md#additional-gallery-elements

Walter

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On Mon, Feb 29, 2016 at 3:04 PM, digger250 <digger250@gmail.com> wrote:
> I'm trying to figure out how to escape a literal colon in the routes. If I
> make a route like this:
>
> get '/thing:/:id' => 'things#show'
>
> then '/thing:/123' does not match on this route
>
> I've also tried '/thing\:/:id' and '/thing%3A/:id' none seem to work.
>
> Does anyone have any tips here?

Yes - don't do that :-)

See https://www.ietf.org/rfc/rfc1738.txt, specifically Section 2.2 on
reserved characters.

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up

> On Feb 28, 2016, at 10:18 PM, Le Hung <lists@ruby-forum.com> wrote:
>
> I'm new in Rails.
>
> I'm trying to add a form with ajax.It's just typing a text and submit to
> file 'ex/act' and show the param in form.
>
> My code:
>
> <script>
> function loadDoc(url, cfunc) {
> var xhttp;
> xhttp=new XMLHttpRequest();
> xhttp.onreadystatechange = function() {
> if (xhttp.readyState == 4 && xhttp.status == 200) {
> cfunc(xhttp);
> }
> };
> xhttp.open("POST", url, true);
> xhttp.send();
> }
> function myFunction(xhttp) {
> document.getElementById("demo").innerHTML = xhttp.responseText;
> }
> </script>
>
> And the form:
>
> <%= form_for :ex,url:ex_act_path,remote:true do |f|%>
> <%= f.text_field :text%>
> <button onclick="loadDoc('ex/act',myFunction)">abc</button>
> <%end%>
>
> In the 'ex/act' controller:
>
> def act
> @a = get_param
> end
> private
> def get_param
> params.require(:ex).permit(:text)
> end
>
> In the Console of browser:
>
> POST http://localhost:3000/ex/act 422 Unprocessable Entity
> GET http://localhost:3000/ex/act 200 OK

Rails has full support for Ajax form submission baked in. Have you tried just adding remote: true to your form_for declaration, and see what happens? Watch in the console as you submit the form, see how the correct controller handles the request. If you write a JS view (name it the same as the controller method that is invoked by your form, so create.js.erb or update.js.erb, whichever is appropriate) then you will have access to your updated model object, and you can use it to re-paint the page with updated data. Here's a very nice write-up on this approach: http://www.korenlc.com/remote-true-in-rails-forms/

Walter

>
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> On Feb 28, 2016, at 7:24 PM, fugee ohu <fugee279@gmail.com> wrote:
>
>
>
[snip]

> > Here's the code they provide, I tried but it doesn't have any effect so far
> >
> > blueimp.Gallery(
> > document.getElementById('links'),
> > {
> > onslide: function (index, slide) {
> > var text = this.list[index].getAttribute('data-description'),
>
> For the preceding line to work, your element needs to have the attribute data-description on it. Does it?
>
> > node = this.container.find('.description');
>
> For the preceding line to work, you need to have an empty HTML element with the classname description present in the page, within the container element of the slide (no clue where that means, I'm just interpreting the code for you). If that element exists, then it will be emptied and re-filled with the description.
>
> > node.empty();
> > if (text) {
> > node[0].appendChild(document.createTextNode(text));
> > }
> > }
> > }
> > );
>
> My guess is that you are missing one or more of these antecedents, and without them, the JS won't have anything to work with.
>
> Walter
>
>
> hi, thanks, i dunno what you mean by an empty html element with the classname description, i think you mean <div class="description"> but that's not my view Here's my view:
>
> <div id="links">
> <table>
> <% @profile.pictures.in_groups_of(5, false) do |row_tasks| %>
> <tr>
> <% for task in row_tasks do %>
> <td><a href= "<%= task.name %>" data-description = "<%= task.comment %>" data-gallery ><%= image_tag(task.name.thumb) %></a></td>
> <% end %>
> <% end %>
> </tr>
> </table>
> </div>

Yes, you did get what I meant. Reading through the portion of the script you provided, I can't see where that element needs to be. Perhaps it is added by the lightbox code when it creates the overlay elements. In any case, you have added the correct data attributes to the link, so that part looks right. In the example for the gallery, was there any reference to creating a separate structure in the page html to receive the description? In the documentation, do they have an example page coded in HTML that includes a secondary overlay element or similar? Or is it all generated by the JS code when the page loads?

Walter

>
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On 29 February 2016 at 13:25, fugee ohu <fugee279@gmail.com> wrote:
>
>
> On Monday, February 29, 2016 at 6:44:21 AM UTC-5, Colin Law wrote:
>>
>> On 29 February 2016 at 09:39, fugee ohu <fuge...@gmail.com> wrote:
>> > Using require statements in application.js should reference files
>> > located
>> > where?
>> > //= require bootstrap-sprockets
>> > where is bootstrap-sprockets supposed to be located?
>>
>> If you have included the appropriate gem in Gemfile then you don't
>> need to put it anywhere.
>>
>> Colin
>>
>> >
>> > --
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>> > email to rubyonrails-ta...@googlegroups.com.
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>> >
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>> > For more options, visit https://groups.google.com/d/optout.
>
>
> Thanks, Colin So then why require them if they're all "gemmed out"? I'm
> having trouble getting data-description to work in bluimp-image-gallery If
> you read the docs it can be found under Additional Gallery Elements The
> docs say to include links to javascript scripts at the bottom of my view
> using <script src= ... So that's what I did Seemed the javascript in
> question wasn't working so when I asked for help someone asked me if I was
> using the asset pipeline and then if i'm using the asset pipeline why am i
> putting the links to javascript scripts <script src= ... in my views and the
> discussion ended up concluding just about there after trying to get
> clarification Here's a gist of the files involved
> https://gist.github.com/mices/f9516cb3ea9da3f3c690 ~ thanks, fugee

Not sure what you mean by gemmed out.
I believe that you should either require it in application.js (in
which case it will be compiled in with the other js files) or
specifically include it in the page using the script tag. The former
is generally preferred as it means the browser should only load the js
once for the whole website. I have not used this particular library
though so don't know whether there is a reason why it should be
explicitly loaded in the page.

Google found this which may be helpful
http://stackoverflow.com/questions/21519040/rails-4-bootstrap-set-up-assets

Colin

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On 29 February 2016 at 09:39, fugee ohu <fugee279@gmail.com> wrote:
> Using require statements in application.js should reference files located
> where?
> //= require bootstrap-sprockets
> where is bootstrap-sprockets supposed to be located?

If you have included the appropriate gem in Gemfile then you don't
need to put it anywhere.

Colin

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Hi

On Mon, Feb 29, 2016, at 18:39, fugee ohu wrote:
> Using require statements in application.js should reference files located
> where?
> //= require bootstrap-sprockets
> where is bootstrap-sprockets supposed to be located?
>

Any of directories in `config.assets.paths`. (can be checked with
`Rails.configuration.assets.paths` from rails console).

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On 29 February 2016 at 02:41, Elysee Montissol <lists@ruby-forum.com> wrote:
> I created a simple blog and I'm using paperclip to be able to add images
> to a Post. I installed the 'themify-icons-rails' gem and what I want to
> do is automatically add a picture icon next to the title of a post when
> the post has a image that's been uploaded, to show that the post has a
> image. I'm guessing I would need a If statement somewhere but I'm fairly
> new to rails and I'm not sure where to put it.
>
> <h2 class="ti-gallery"><%= link_to post.title, post %></h2> this adds
> the "Ti-gallery" icon to every post.

Assuming that what you want to leave out is the class specification
and assuming that post.image will be nil if there is no image (replace
that with something similar as necessary)
<h2 <%= "class=/"ti-gallery/"" if post.image %> >
<%= link_to post.title, post %>
</h2>

I have split it onto multiple lines to make it easier to read, that
will not affect the displayed page. The result of the code
"class=/"ti-gallery/"" if post.image
will either be the class= string or nil.

Colin

>
> Any Help will be greatly appreciated, Thank you before hand. Oh and one
> more questions, Is rails Video friendly? i can't seem to find any
> tutorials on uploading videos to a rails app.
>
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I'm new in Rails.

I'm trying to add a form with ajax.It's just typing a text and submit to
file 'ex/act' and show the param in form.

My code:

<script>
function loadDoc(url, cfunc) {
var xhttp;
xhttp=new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (xhttp.readyState == 4 && xhttp.status == 200) {
cfunc(xhttp);
}
};
xhttp.open("POST", url, true);
xhttp.send();
}
function myFunction(xhttp) {
document.getElementById("demo").innerHTML = xhttp.responseText;
}
</script>

And the form:

<%= form_for :ex,url:ex_act_path,remote:true do |f|%>
<%= f.text_field :text%>
<button onclick="loadDoc('ex/act',myFunction)">abc</button>
<%end%>

In the 'ex/act' controller:

def act
@a = get_param
end
private
def get_param
params.require(:ex).permit(:text)
end

In the Console of browser:

POST http://localhost:3000/ex/act 422 Unprocessable Entity
GET http://localhost:3000/ex/act 200 OK

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I created a simple blog and I'm using paperclip to be able to add images
to a Post. I installed the 'themify-icons-rails' gem and what I want to
do is automatically add a picture icon next to the title of a post when
the post has a image that's been uploaded, to show that the post has a
image. I'm guessing I would need a If statement somewhere but I'm fairly
new to rails and I'm not sure where to put it.

<h2 class="ti-gallery"><%= link_to post.title, post %></h2> this adds
the "Ti-gallery" icon to every post.

Any Help will be greatly appreciated, Thank you before hand. Oh and one
more questions, Is rails Video friendly? i can't seem to find any
tutorials on uploading videos to a rails app.

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