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Getting output of system() calls in Ruby
...rr.gets(nil)
stderr.close
exit_code = wait_thr.value
Note that the block form will auto-close stdin, stdout and stderr- otherwise they'd have to be closed explicitly.
More information here: Forming sanitary shell commands or system calls in Ruby
...
default select option as blank
...
The interesting thing is: this works with HTML form validation. If you use the required attribute on the select element and submit without selecting an option the form validation will fail and tell you, you have to make a selection. Therefore I really like this approach. ...
How to get input type using jquery?
... get type:
var allCheckboxes=$('[type=checkbox]');
EDIT2:
Note that the form of:
$('input:radio');
is perferred over
$(':radio');
which both equate to:
$('input[type=radio]');
but the "input" is desired so it only gets the inputs and does not use the universal '*" when the form of $(':r...
How to access parameters in a RESTful POST method
... class since the data is passed using simple argument passing.
HTML <FORM>
The parameters would be annotated using @FormParam:
@POST
@Path("/create")
public void create(@FormParam("param1") String param1,
@FormParam("param2") String param2) {
...
}
The browser wil...
jQuery see if any or no checkboxes are selected
...
You can use something like this
if ($("#formID input:checkbox:checked").length > 0)
{
// any one is checked
}
else
{
// none is checked
}
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improv...
Declaring functions in JavaScript [duplicate]
... to define different implementations depending on circumstances, while the former won't. Say you wanted cross-browser event subscription. If you tried to define a addEventListenerTo function thusly:
if (document.addEventListener) {
function addEventListenerTo(target, event, listener) {
...
Why JSF saves the state of UI components on server?
Now, it is no longer necessary to save state while using JSF. A high performance Stateless JSF implementation is available for use. See this blog & this question for relevant details & discussion. Also, there is an open issue to include in JSF specs, an option to provide stateless mode for JSF...
Among $_REQUEST, $_GET and $_POST which one is the fastest?
...application.
Either way, there will not be much of a difference about performances : the difference will be negligible, compared to what the rest of your script will do.
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improve this answe...
Assign variables to child template in {% include %} tag Django
...suggested, it's pretty simple:
{% include "subject_file_upload.html" with form=form foo=bar %}
The documentation for include mentions this. It also mentions that you can use only to render the template with the given variables only, without inheriting any other variables.
Thank you @Besnik
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Differences between SP initiated SSO and IDP initiated SSO
...tributes from the user data store.
The IdP’s SSO service returns an HTML form to the browser with a SAML response containing the authentication assertion and any additional attributes. The browser automatically posts the HTML form back to the SP.
SP Initiated SSO
From PingFederate documentation...