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	<title>Slopjongs weblog &#187; Technology</title>
	<atom:link href="http://slopjong.de/category/technology/feed/" rel="self" type="application/rss+xml" />
	<link>http://slopjong.de</link>
	<description>A geek discovering the World, Tech &#38; Science</description>
	<lastBuildDate>Sun, 15 Apr 2012 14:03:28 +0000</lastBuildDate>
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		<item>
		<title>cURL: follow locations with safe_mode enabled or open_basedir set</title>
		<link>http://slopjong.de/2012/03/31/curl-follow-locations-with-safe_mode-enabled-or-open_basedir-set/</link>
		<comments>http://slopjong.de/2012/03/31/curl-follow-locations-with-safe_mode-enabled-or-open_basedir-set/#comments</comments>
		<pubDate>Fri, 30 Mar 2012 23:34:04 +0000</pubDate>
		<dc:creator>slopjong</dc:creator>
				<category><![CDATA[Programming]]></category>
		<category><![CDATA[Web]]></category>
		<category><![CDATA[cURL]]></category>
		<category><![CDATA[php]]></category>

		<guid isPermaLink="false">http://slopjong.de/?p=5808</guid>
		<description><![CDATA[cURL is a tool to connect to a remote server and load data from it while schemes like HTTP, HTTPS, FTP, gopher, telnet, DICT, FILE, LDAP and more are supported for the request URI.
PHP has built-in support by providing its users a layer upon the underlying libcurl library. Here is an example how cURL is [...]]]></description>
		<wfw:commentRss>http://slopjong.de/2012/03/31/curl-follow-locations-with-safe_mode-enabled-or-open_basedir-set/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Arch Linux: failed to load module `zsh/computil&#8217;</title>
		<link>http://slopjong.de/2012/02/21/arch-linux-failed-to-load-module-zshcomputil/</link>
		<comments>http://slopjong.de/2012/02/21/arch-linux-failed-to-load-module-zshcomputil/#comments</comments>
		<pubDate>Tue, 21 Feb 2012 15:42:18 +0000</pubDate>
		<dc:creator>slopjong</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Arch Linux]]></category>
		<category><![CDATA[shell]]></category>
		<category><![CDATA[terminal]]></category>
		<category><![CDATA[ZSH]]></category>

		<guid isPermaLink="false">http://slopjong.de/?p=5708</guid>
		<description><![CDATA[If you&#8217;ve recently updated zsh and used tab auto-complete you&#8217;re getting the following error message. 
➜  zsh  cd
_tags:36: failed to load module `zsh/computil': /usr/lib/zsh/4.3.15/zsh/computil.so: cannot open shared object file: No such file or directory
_tags:51: failed to load module `zsh/computil': /usr/lib/zsh/4.3.15/zsh/computil.so: cannot open shared object file: No such file or directory
_tags:51: command not found: [...]]]></description>
		<wfw:commentRss>http://slopjong.de/2012/02/21/arch-linux-failed-to-load-module-zshcomputil/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Firefox: This address is restricted</title>
		<link>http://slopjong.de/2012/01/25/firefox-this-address-is-restricted/</link>
		<comments>http://slopjong.de/2012/01/25/firefox-this-address-is-restricted/#comments</comments>
		<pubDate>Wed, 25 Jan 2012 11:13:43 +0000</pubDate>
		<dc:creator>slopjong</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[Windows]]></category>
		<category><![CDATA[Firefox]]></category>

		<guid isPermaLink="false">http://slopjong.de/?p=5424</guid>
		<description><![CDATA[This address uses a network port which is normally used for purposes other than Web browsing. Firefox has canceled the request for your protection.
This message appears if you want to access a website on a non-standard port, e.g. http://example.com:42 . 
Being a developer you might run in your non-productive environment a web server listening on [...]]]></description>
		<wfw:commentRss>http://slopjong.de/2012/01/25/firefox-this-address-is-restricted/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Arch Linux: Pacman 4.0 upgrade breaks the system</title>
		<link>http://slopjong.de/2012/01/17/arch-linux-pacman-4-0-upgrade-breaks-the-system/</link>
		<comments>http://slopjong.de/2012/01/17/arch-linux-pacman-4-0-upgrade-breaks-the-system/#comments</comments>
		<pubDate>Tue, 17 Jan 2012 18:32:50 +0000</pubDate>
		<dc:creator>slopjong</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Arch Linux]]></category>
		<category><![CDATA[Pacman]]></category>

		<guid isPermaLink="false">http://slopjong.de/?p=5609</guid>
		<description><![CDATA[Since yesterday, January 16th, pacman 4 is in the core repository and upgrading to it breaks the system.
If you can wait with any updates, wait. If you must update some packages, only update those which you need to update right now and which don&#8217;t affect the system.
To exclude the packages which surely breaks your system, [...]]]></description>
		<wfw:commentRss>http://slopjong.de/2012/01/17/arch-linux-pacman-4-0-upgrade-breaks-the-system/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Qt: Q_OBJECT macro</title>
		<link>http://slopjong.de/2012/01/12/qt-q_object-macro/</link>
		<comments>http://slopjong.de/2012/01/12/qt-q_object-macro/#comments</comments>
		<pubDate>Thu, 12 Jan 2012 12:45:24 +0000</pubDate>
		<dc:creator>slopjong</dc:creator>
				<category><![CDATA[Programming]]></category>
		<category><![CDATA[Qt]]></category>

		<guid isPermaLink="false">http://slopjong.de/?p=5387</guid>
		<description><![CDATA[I always thought that every class subclassing QObject must contain this macro but this is not completely right. More precisely it is only required if meta-object code has to be produced by the moc tool in order to use the signals and slots mechanism, the run-time type information, the dynamic property system and translating features [...]]]></description>
		<wfw:commentRss>http://slopjong.de/2012/01/12/qt-q_object-macro/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Linux: My friend X11 &#8230;</title>
		<link>http://slopjong.de/2012/01/08/linux-my-friend-x11/</link>
		<comments>http://slopjong.de/2012/01/08/linux-my-friend-x11/#comments</comments>
		<pubDate>Sun, 08 Jan 2012 15:28:36 +0000</pubDate>
		<dc:creator>slopjong</dc:creator>
				<category><![CDATA[From my personal life]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[X11]]></category>

		<guid isPermaLink="false">http://slopjong.de/?p=5568</guid>
		<description><![CDATA[I&#8217;ve been really very happy with my linux &#8230;


&#8230; until I had to fiddle with X11 again. I really dislike to configure X11, this brings me down to zero every time.
]]></description>
		<wfw:commentRss>http://slopjong.de/2012/01/08/linux-my-friend-x11/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Arch Linux: install Redmine 1.3 with SQLite</title>
		<link>http://slopjong.de/2012/01/07/arch-linux-install-redmine-1-3-with-sqlite/</link>
		<comments>http://slopjong.de/2012/01/07/arch-linux-install-redmine-1-3-with-sqlite/#comments</comments>
		<pubDate>Sat, 07 Jan 2012 21:54:53 +0000</pubDate>
		<dc:creator>slopjong</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[Arch Linux]]></category>
		<category><![CDATA[Redmine]]></category>

		<guid isPermaLink="false">http://slopjong.de/?p=5124</guid>
		<description><![CDATA[Note: Redmine 1.4.0 has been released. This howto might be incompatible with the new version.
Redmine is an open-source web-based project management and bug-tracking tool.
This article explains how to install it on Arch Linux. At the time this article was written the official documentation page lacked of clear installation instructions.
Redmine is written in the ruby programming [...]]]></description>
		<wfw:commentRss>http://slopjong.de/2012/01/07/arch-linux-install-redmine-1-3-with-sqlite/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Qt: set the main window title from everywhere</title>
		<link>http://slopjong.de/2012/01/05/qt-set-the-main-window-title-from-everywhere/</link>
		<comments>http://slopjong.de/2012/01/05/qt-set-the-main-window-title-from-everywhere/#comments</comments>
		<pubDate>Thu, 05 Jan 2012 11:35:18 +0000</pubDate>
		<dc:creator>slopjong</dc:creator>
				<category><![CDATA[Programming]]></category>
		<category><![CDATA[C++]]></category>
		<category><![CDATA[Qt]]></category>

		<guid isPermaLink="false">http://slopjong.de/?p=5305</guid>
		<description><![CDATA[In Qt the title of the main window can be set from everywhere and thankfully to the QApplication class we gain access to all created widgets by using the method findChildren() or topLevelWidgets(). The difference between both is that findChildren() returns a list only with widgets which reside inside another widget and in contrast topLevelWidgets() [...]]]></description>
		<wfw:commentRss>http://slopjong.de/2012/01/05/qt-set-the-main-window-title-from-everywhere/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Qt: error message telling the copy constructor is private</title>
		<link>http://slopjong.de/2011/12/30/qt-error-message-telling-the-copy-constructor-is-private/</link>
		<comments>http://slopjong.de/2011/12/30/qt-error-message-telling-the-copy-constructor-is-private/#comments</comments>
		<pubDate>Fri, 30 Dec 2011 17:46:00 +0000</pubDate>
		<dc:creator>slopjong</dc:creator>
				<category><![CDATA[Programming]]></category>
		<category><![CDATA[C++]]></category>
		<category><![CDATA[Qt]]></category>

		<guid isPermaLink="false">http://slopjong.de/?p=5275</guid>
		<description><![CDATA[In the following code sample a singleton is implemented with a static instance getter which can be called in any other class.

class MyClass{

public:

    static MyClass *instance(){
        if(!m_instance)
            m_instance = new MyClass;
    [...]]]></description>
		<wfw:commentRss>http://slopjong.de/2011/12/30/qt-error-message-telling-the-copy-constructor-is-private/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Qt: QString constant in a class</title>
		<link>http://slopjong.de/2011/12/24/qt-qstring-constant-in-a-class/</link>
		<comments>http://slopjong.de/2011/12/24/qt-qstring-constant-in-a-class/#comments</comments>
		<pubDate>Sat, 24 Dec 2011 13:24:11 +0000</pubDate>
		<dc:creator>slopjong</dc:creator>
				<category><![CDATA[Programming]]></category>
		<category><![CDATA[C++]]></category>
		<category><![CDATA[Code Snippet]]></category>
		<category><![CDATA[Qt]]></category>

		<guid isPermaLink="false">http://slopjong.de/?p=5207</guid>
		<description><![CDATA[A constant QString can be achieved by defining the macro

#CONSTSTRING "-_-"

and by creating a temporary QString instance in each place the constant is needed e.g. for a window title.

...
window.setWindowTitle(QString(CONSTSTRING));
...

A lot of the Qt goodness is due to macros but most of them are defined as empty for good reason. Macros are processed by a preprocessor [...]]]></description>
		<wfw:commentRss>http://slopjong.de/2011/12/24/qt-qstring-constant-in-a-class/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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