C++ - Revision history

Admin: /* Creating the library */

2017-10-10T00:58:42Z

Creating the library

← Older revision		Revision as of 00:58, 10 October 2017
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	!<code>src/A.cc</code>		!<code>src/A.cc</code>
	\|-		\|-
	\|<~~syntaxhighlight lang="cpp"~~>		\|<pre>
	class A {		class A {

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	int x_;		int x_;
	};		};
	</~~syntaxhighlight~~>		</pre>
	\|<~~syntaxhighlight lang="cpp"~~>		\|<pre>
	#include <A.h>		#include <A.h>
	#include <iostream>		#include <iostream>
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	std::cout << "x = " << x_ << "\n";		std::cout << "x = " << x_ << "\n";
	}		}
	</~~syntaxhighlight~~>		</pre>
	\|}		\|}

	To begin, the class A must be compiled into an object file, but not compiled into an executable (since there's no <code>main()</code> function). To compile code into an object file without creating an executable, use the <code>-c</code> flag for gcc:		To begin, the class A must be compiled into an object file, but not compiled into an executable (since there's no <code>main()</code> function). To compile code into an object file without creating an executable, use the <code>-c</code> flag for gcc:

	<~~syntaxhighlight~~>		<pre>
	$ g++ -g -c src/A.cc -Iinclude/		$ g++ -g -c src/A.cc -Iinclude/
	</~~syntaxhighlight~~>		</pre>

	The <code>-I/path/to/header/files</code> compiler flag tells the compiler where to find the header files that were included using <code>#include "headerfile.h"</code>.		The <code>-I/path/to/header/files</code> compiler flag tells the compiler where to find the header files that were included using <code>#include "headerfile.h"</code>.
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	After A is compiled into an object file, create a library from <code>A.o</code> using the <code>ar</code> Unix utility, call it <code>libclassA</code>, and put it in the <code>lib/</code> directory:		After A is compiled into an object file, create a library from <code>A.o</code> using the <code>ar</code> Unix utility, call it <code>libclassA</code>, and put it in the <code>lib/</code> directory:

	<~~syntaxhighlight~~>		<pre>
	$ ar rs lib/libclassA.a A.o		$ ar rs lib/libclassA.a A.o
	</~~syntaxhighlight~~>		</pre>

	(see the <code>ar</code> man page at http://linux.die.net/man/1/ar)		(see the <code>ar</code> man page at http://linux.die.net/man/1/ar)

Admin at 15:47, 28 May 2011

2011-05-28T15:47:38Z

← Older revision		Revision as of 15:47, 28 May 2011
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	{{Languages}}		{{Languages}}
			[[Category:C++]]

Admin at 15:40, 28 May 2011

2011-05-28T15:40:31Z

← Older revision		Revision as of 15:40, 28 May 2011
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			{{Languages}}




	~~[[Category:Computers]]~~
	~~[[Category:~~Languages]]

Admin: /* Singleton */

2011-04-15T11:52:52Z

Singleton

← Older revision		Revision as of 11:52, 15 April 2011
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	To compile:		To compile:

	<~~source lang="cpp"~~>		<pre>
	g++ -c Factory.cc -I.		g++ -c Factory.cc -I.
	g++ driver.cc Factory.o -o driver.x -I.		g++ driver.cc Factory.o -o driver.x -I.
	</~~source~~>		</pre>

	= Style Guide =		= Style Guide =

Admin: /* Singleton */

2011-04-15T11:51:29Z

Singleton

← Older revision		Revision as of 11:51, 15 April 2011
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	</source>		</source>

	'''driver.cc''		'''driver.cc'''

	<source lang="cpp">		<source lang="cpp">

Admin: /* Singleton */

2011-04-15T11:50:34Z

Singleton

@@ Line 293: / Line 293: @@
    std::cout << "Printing something: " << _private_member << std::endl;
+}
 </source>

Admin: /* Singleton */

2011-04-15T11:47:25Z

Singleton

@@ Line 247: / Line 247: @@
 ===Singleton===
 <source lang="cpp">
 </source>

Admin: /* C++ Object-Oriented Stuff */

2011-04-15T11:13:11Z

C++ Object-Oriented Stuff

← Older revision		Revision as of 11:13, 15 April 2011
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	vector = 0.04		vector = 0.04
	</pre>		</pre>

			==Design Patterns==

			===Singleton===

			<source lang="cpp">

			</source>

	= Style Guide =		= Style Guide =

Admin: /* Searching Maps: Case Sensitivity */

2011-03-28T10:59:38Z

Searching Maps: Case Sensitivity

← Older revision		Revision as of 10:59, 28 March 2011
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	===Searching Maps: Case Sensitivity===		===Searching Maps: Case Sensitivity===

			Summary: searching maps using the <code>map.find("key")</code> function ''is case-sensitive''.

	<syntaxhighlight lang="cpp">		<syntaxhighlight lang="cpp">

Admin: /* Pushing Back in an Empty Vector */

2011-03-28T10:58:47Z

Pushing Back in an Empty Vector

← Older revision		Revision as of 10:58, 28 March 2011
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	===Pushing Back in an Empty Vector===		===Pushing Back in an Empty Vector===

			Summary: yes, you can use <code>push_back</code> on an empty vector. (Duh, this makes perfect sense now that I think about it. Not sure why I had to write this in the first place.)

	<syntaxhighlight lang="cpp">		<syntaxhighlight lang="cpp">