IDIFY Solutions LLP » Uncategorized

send_data vs send_file in Rails

manish — Wed, 13 Mar 2013 14:59:19 +0000

send_data:
————
send_data, Sends the given data to the browser. This method allows you to specify if the browser should display the response as a file attachment i.e. in a download or as inline data i.e; showing the output on the browser. For the send_data we may set the content type, the file name etc,

The options of a send_data are:

:filename – specifying a filename for the use on browser.
:type – specifies an HTTP content type. Defaults to ‘application/octet-stream’. we can specify either pdf/excel.
:disposition – specifies that the file shown inline or downloaded. Valid values are ‘inline’ and ‘attachment’ .Here attachment is the default dispostion.
:status – specifies the status code to send with the response. Defaults to ‘200 OK’.

eg:
send_data( out_data, :type => “text/xml”, :filename => “sample.xml”,:dispostion=>’inline’,:status=>’200 OK’ )

send_file:
———–
send_file ,Sends the file, by default it streams 4096 bytes at a time. This way the whole file doesn‘t need to be read into memory at once. This makes feasible to send even large files. You can optionally turn off streaming and send the whole file at once.
send_file(params[:path]) allows a malicious user to download any file on your server so need to be careful.

:filename – specifying a filename for the use on browser.
:type – specifies an HTTP content type. Defaults to ‘application/octet-stream’. we can specify either pdf/xml.
:length – used to manually override the length in bytes of the content whic is sent to the client. Defaults to File.size(path).
:disposition – sspecifies that the file shown inline or downloaded. Valid values are ‘inline’ and ‘attachment’ .Here attachment is the default dispostion.
:buffer_size – specifies size which in bytes of the buffer which is used to stream the file. Defaults to 4096.
:status – specifies the status code to send with the response. Default is ‘200 OK’.
:stream – whether to send the file to the user as it is read (true) or to read the entire file before send (false). Defaults to true.

send_file( out_data, :type => “text/xml”, :filename => “sample.xml”,:dispostion=>’inline’,:status=>’200 OK’,:stream=>’true’ )

Share on Facebook

ERROR: rvm requires autoreconf to install the selected ruby interpreter however autoreconf was not found in the PATH.

pardeep — Wed, 30 Nov 2011 04:34:16 +0000

This problem generally occurs in 1.8.7-head

In ubuntu this can solve your problem.

apt-get install automake

Share on Facebook

Partition of a number

pardeep — Wed, 14 Sep 2011 15:08:58 +0000

for eg: user entered =5
1+1+1+1+1
1+4
2+3
3+1+1
1+2+2
1+1+1+2  #include
#include
void ste(int);

int main()
{
	int cnt,n1,i,temp,n2,n3,n4,n5,z;

	z=cnt=0;

	clrscr();

	printf("enter any number");
	scanf("%d",&n1);

	for(i=n1;i>1;i--)
	{
		for(n2=i-1;n2>=i/2;n2--)
		{
			for(n3=i/2;n3>0;n3--)
			{
				temp=n2+n3;

				if(temp==i)
				{
					if(!(n2==n5&&n3==n4))

					{
						printf("%d+%d",n2,n3);
						ste(z);
						cnt++;
						n4=n2;
						n5=n3;
					}//if
				}//if

			}//for

		}//for
		z++;
		printf("\n");
	}//for
	printf("Number of partion is %d",cnt);
	getch();
	return(0);
}//main

void ste(int x)
{
	char ch[8]="+1",ch2[400]="\0";
	int i;
	for(i=0;i
Share on Facebook

Convert utf-8 to chinese in ruby on rails

Deepak — Wed, 14 Sep 2011 12:21:21 +0000

Sample code to send a utf-8 string in subject line of email. Its pretty simple and straight forward

def send_to_lead(lead_email, from_email, from_name, offer_id, club_id, customer_id)
@customer_name = from_name
@customer_email = from_email
str = “期待很快就可!”
# str= “subject in english”
subject=str
if str[0..1]==”&#”
subject_raw = str.gsub(“&#”,”").gsub(“!”,”").split(“;”)
subject=”"
subject_raw.each {|t| subject += [t.to_i].pack(“U*”)}
end
mail(:to => lead_email,
:from => “\”"+from_name+”\”" + “<”+from_email+”>”,
:charset => ‘utf-8′,
:subject => subject,
:reply_to => ‘noreply@buddyreferralsystem.com’,
:content_type =>’multipart/alternative’,
:content_transfer_encoding => ’8bit’,
“X-Mailer” => “Ruby (1.9.2)”
).deliver
end

IDIFY Solutions LLP » Uncategorized

send_data vs send_file in Rails

ERROR: rvm requires autoreconf to install the selected ruby interpreter however autoreconf was not found in the PATH.

Partition of a number

Convert utf-8 to chinese in ruby on rails

Welcome