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How do I create multiple submit buttons for the same form in Rails?
...eate multiple submit buttons and provide a different value to each:
<% form_for(something) do |f| %>
..
<%= f.submit 'A' %>
<%= f.submit 'B' %>
..
<% end %>
This will output:
<input type="submit" value="A" id=".." name="commit" />
<input type="sub...
What is the proper declaration of main?
...e that all of this applies only when compiling for a hosted environment (informally, an environment where you have a full standard library and there's an OS running your program). It is also possible to compile a C++ program for a freestanding environment (for example, some types of embedded system...
What is the _snowman param in Ruby on Rails 3 forms for?
In Ruby on Rails 3 (currently using Beta 4), I see that when using the form_tag or form_for helpers there is a hidden field named _snowman with the value of ☃ ( Unicode \x9731) showing up.
...
How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
...nts apply to all PrimeFaces versions:
The enctype attribute of the <h:form> needs to be set to multipart/form-data. When this is absent, the ajax upload may just work, but the general browser behavior is unspecified and dependent on form composition and webbrowser make/version. Just always s...
Prevent any form of page refresh using jQuery/Javascript
.... Countless sites on the internet prevent a browser refresh if you have a form that is dirty, alerting you to the fact that you may lose your changes. Not sure why this is "breaking fundamental browser features".
– Siraris
Mar 31 '18 at 3:45
...
How are parameters sent in an HTTP POST request?
...
The values are sent in the request body, in the format that the content type specifies.
Usually the content type is application/x-www-form-urlencoded, so the request body uses the same format as the query string:
parameter=value&also=another
When you use a file upl...
How to get current time in milliseconds in PHP?
...
Short answer:
64 bits platforms only!
function milliseconds() {
$mt = explode(' ', microtime());
return ((int)$mt[1]) * 1000 + ((int)round($mt[0] * 1000));
}
[ If you are running 64 bits PHP then the constant PHP_INT_SIZE equals to 8 ]
Long ...
How can I parse a CSV string with JavaScript, which contains comma in data?
...aimer
2014-12-01 Update: The answer below works only for one very specific format of CSV. As correctly pointed out by DG in the comments, this solution does not fit the RFC 4180 definition of CSV and it also does not fit Microsoft Excel format. This solution simply demonstrates how one can parse one...
Working Soap client example
...rom SoapUI, Online SoapClient Calculator
Generate the SoapMessage object form the input SoapEnvelopeXML and SoapDataXml.
SoapEnvelopeXML
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
<soapenv:Header/>
<soapenv:Body>
<tem:Add xmlns:t...
How to open standard Google Map application from my application?
...
You should create an Intent object with a geo-URI:
String uri = String.format(Locale.ENGLISH, "geo:%f,%f", latitude, longitude);
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
context.startActivity(intent);
If you want to specify an address, you should use another form of geo-...