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Introduction to Windows - Programming for Windows

http://digitalpbk.blogspot.com/2007/09/windows-and-c-programming.html Introduction to Windows - Programming for Windows History - DOSDisk Operating System aka DOS was one of the earlier operating systems, it was a single task system, where the whole system and the OS was devoted to executing a single program and was basically a text based OS.With the advent of the Windows Operating System, multiple process or applications could be run and it became a graphical OS (interface). So in order to support new features the basic structure of C/C++ programs changed from ...

Resolve Net::MySQL Hang problem if the database result has only 1 row or is empty

http://digitalpbk.com/perl/solve-netmysql-hang-problem-if-database-result-has-only-1-row-or-empty WHERE id = 1'); if ($mysql->has_selected_record) { my $record_set = $mysql->create_record_iterator; while(my $record = $record_set->each) { printf "First column: %s \n", $record->[0]; } } else { print "not found"; } $mysql->close; This script would hang since the result set contains just one row. This is due to incorrect detection of the end of packet message on Net::MySQL module. The last 5 bytes of the end of packet is usually FE 00 00 22 00 ...

Solve "Cannot modify header information - headers already sent by *.php"

http://digitalpbk.com/php/warning-cannot-modify-header-information-headers-already-sent this warning by turning the error_reporting to OFF using error_reporting(0);, which is pretty much the not way of doing things. In HTTP Headers are sent before the actual content so if you are going to use header function after outputting the contents, it is likely to not work. How do I solve this Warning Cannot Modify Header Information ? In order to solve this issue you have to make sure you dont echo or print any output before using header or setcookie function. Make sure the control passes through ...

UNIX Networking : Sockets UDP Transmitter and Reciever

http://digitalpbk.blogspot.com/2007/10/unix-networking-sockets-udp-transmitter.html localhost. char msg[1000];//Buffer do { printf("Message: "); scanf("%s",msg); sendto(s, msg, strlen(msg)+1, 0, (struct sockaddr *)&sout;, sizeof(sout));//Sends the message }while(*msg!='0'); /*Just an exit condition*/ close(s);//Close Socket return 0;}The RecieverThis program listens to localhost:34000 and prints the messages whenever it recieves one. To Setup a reciever following must be done:1. Setup a port address and open a socket and bind to it.2. Start ...

UNIX Networking : Sockets TCP Transmitter and Reciever

http://digitalpbk.blogspot.com/2007/11/unix-networking-sockets-tcp-transmitter.html ];//Buffer do { printf("Message: "); scanf("%s",msg); sendto(s, msg, strlen(msg)+1, 0,NULL,0);//Sends the message }while(*msg!='0'); /*Just an exit condition*/ close(s);//Close Socket return 0;}The RecieverThis program listens to localhost:34000 and accepts first connection and prints the messages whenever it recieves one. To Setup a reciever following must be done:1. Setup a port address and open a socket and bind to it.2. Listens for Clients to connect.3. Accept ...

An Introduction to PHP

http://digitalpbk.blogspot.com/2007/04/introduction-to-php-part1.html . There can be any number of PHP code segments in a file. Text outside the code segment is by default interpreted as HTML and send back to the browser as it is. The code within the segement is evaluated and executed and the output of the code replaces the The PHP code is executed and replaced in the server itself and no PHP source code is sent to the browser. Thus the HTML recieved by the browser is Today's dateTodays date is : Apr 22 2007 09:15:00echo is something like the printf. It prints whatever ...