Hello World - Revision history

Admin: /* Python */

2017-10-10T01:00:34Z

Python

← Older revision		Revision as of 01:00, 10 October 2017
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	HelloWorld.py:		HelloWorld.py:
	<~~syntaxhighlight lang="python"~~>
			<pre>
	print "Hello, World!"		print "Hello, World!"
	</~~syntaxhighlight~~>		</pre>

	To run it:		To run it:
	<~~syntaxhighlight lang="bash"~~>
			<pre>
	$ python HelloWorld.py		$ python HelloWorld.py
	</~~syntaxhighlight~~>		</pre>

	Alternatively:		Alternatively:
	<~~syntaxhighlight lang="bash"~~>
			<pre>
	$ python -c "print 'Hello World! \n'"		$ python -c "print 'Hello World! \n'"
	</~~syntaxhighlight~~>		</pre>

2017-10-10T01:00:04Z

PHP

← Older revision		Revision as of 01:00, 10 October 2017
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	HelloWorld.php:		HelloWorld.php:
	<~~source lang="php"~~>
			<pre>
	<html>		<html>
	<body>		<body>
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	</body>		</body>
	</html>		</html>
	</~~source~~>		</pre>

	To run HelloWorld.php:		To run HelloWorld.php:
	<~~source lang="bash"~~>
			<pre>
	$ php HelloWorld.php		$ php HelloWorld.php
	</~~source~~>		</pre>

	Alternatively, if you are running a local apache server and have PHP enabled, you can put HelloWorld.php into your web documents directory, and then point you web browser to <code>http://localhost/HelloWorld.php</code>.		Alternatively, if you are running a local apache server and have PHP enabled, you can put HelloWorld.php into your web documents directory, and then point you web browser to <code>http://localhost/HelloWorld.php</code>.

2017-10-10T00:59:43Z

C++ with MPI

← Older revision		Revision as of 00:59, 10 October 2017
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	A simple hello world example in [[C++]] with [[MPI]]:		A simple hello world example in [[C++]] with [[MPI]]:

	<~~source lang="cpp"~~>		<pre>
	#include <iostream>		#include <iostream>
	#include <cstdlib> // has exit(), etc.		#include <cstdlib> // has exit(), etc.
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	}		}

	</~~source~~>		</pre>

	To compile and run it:		To compile and run it:

	<~~source lang="bash"~~>		<pre>
	$ mpic++ hello.cpp -o hello.o		$ mpic++ hello.cpp -o hello.o

	$ mpirun -np 4 ./hello.o		$ mpirun -np 4 ./hello.o
	</~~source~~>		</pre>

	* http://www.cs.trinity.edu/~bmassing/Classes/CS3366_2002spring/SamplePrograms/index.html		* http://www.cs.trinity.edu/~bmassing/Classes/CS3366_2002spring/SamplePrograms/index.html

2017-10-10T00:59:25Z

C++

← Older revision		Revision as of 00:59, 10 October 2017
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	HelloWorld.cc:		HelloWorld.cc:
	<~~source lang="cpp"~~>
			<pre>
	#include <iostream>		#include <iostream>

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	std::cout << "Hello, world! This is C++.\n";		std::cout << "Hello, world! This is C++.\n";
	}		}
	</~~source~~>		</pre>

	To run it:		To run it:
	<~~source lang="bash"~~>
			<pre>
	$ g++ HelloWorld.cc -o hello.x		$ g++ HelloWorld.cc -o hello.x
	$ ./hello.x		$ ./hello.x
	</~~source~~>		</pre>

	=C++ with MPI=		=C++ with MPI=

2017-10-10T00:59:07Z

C with MPI

← Older revision		Revision as of 00:59, 10 October 2017
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	=C with MPI=		=C with MPI=

	<~~source~~>		<pre>
	#include <stdio.h>		#include <stdio.h>
	#include <mpi.h>		#include <mpi.h>
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	$ mpirun -np 4 ./hello.o # or whatever your MPI's command line cup of tea is		$ mpirun -np 4 ./hello.o # or whatever your MPI's command line cup of tea is

	</~~source~~>		</pre>

	= C++ =		= C++ =

2017-10-10T00:58:57Z

Bash

2012-05-13T17:45:35Z

PHP

← Older revision		Revision as of 17:45, 13 May 2012
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	Alternatively, if you are running a local apache server and have PHP enabled, you can put HelloWorld.php into your web documents directory, and then point you web browser to <code>http://localhost/HelloWorld.php</code>.		Alternatively, if you are running a local apache server and have PHP enabled, you can put HelloWorld.php into your web documents directory, and then point you web browser to <code>http://localhost/HelloWorld.php</code>.

	If you need help understanding how to do that, check out [[Apache]]. If you need help translating that into human-speak, [http://lifehacker.com/124212/geek-to-live--how-to-set-up-a-personal-home-web-server Lifehacker has a really great article explaining how to set up a web server on your machine].		If you need help understanding how to do that, check out [[Apache\|my page on building and running Apache]]. If you need help translating that into human-speak, [http://lifehacker.com/124212/geek-to-live--how-to-set-up-a-personal-home-web-server Lifehacker has a really great article explaining how to set up a web server on your machine].

	= Python =		= Python =

2012-05-13T17:44:47Z

PHP

← Older revision		Revision as of 17:44, 13 May 2012
Line 132:		Line 132:

	Alternatively, if you are running a local apache server and have PHP enabled, you can put HelloWorld.php into your web documents directory, and then point you web browser to <code>http://localhost/HelloWorld.php</code>.		Alternatively, if you are running a local apache server and have PHP enabled, you can put HelloWorld.php into your web documents directory, and then point you web browser to <code>http://localhost/HelloWorld.php</code>.

			If you need help understanding how to do that, check out [[Apache]]. If you need help translating that into human-speak, [http://lifehacker.com/124212/geek-to-live--how-to-set-up-a-personal-home-web-server Lifehacker has a really great article explaining how to set up a web server on your machine].

	= Python =		= Python =

2012-05-13T17:42:06Z

PHP

2012-05-13T17:41:40Z

C++ with MPI