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> <channel><title>dob.sk Blog &#187; how-to</title> <atom:link href="http://blog.dob.sk/category/how-to/feed/" rel="self" type="application/rss+xml" /><link>http://blog.dob.sk</link> <description>blog</description> <lastBuildDate>Sat, 19 May 2012 19:44:45 +0000</lastBuildDate> <language>en</language> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>http://wordpress.org/?v=3.3.1</generator> <xhtml:meta xmlns:xhtml="http://www.w3.org/1999/xhtml" name="robots" content="noindex" /> <item><title>windows &#8211; exporting non-exportable private key</title><link>http://blog.dob.sk/2012/04/05/windows-exporting-non-exportable-private-key-2/</link> <comments>http://blog.dob.sk/2012/04/05/windows-exporting-non-exportable-private-key-2/#comments</comments> <pubDate>Thu, 05 Apr 2012 21:22:26 +0000</pubDate> <dc:creator>sam</dc:creator> <category><![CDATA[admin]]></category> <category><![CDATA[how-to]]></category> <category><![CDATA[security]]></category> <category><![CDATA[time saver]]></category> <guid
isPermaLink="false">http://blog.dob.sk/?p=284</guid> <description><![CDATA[If you are trying to export windows certificate with private key, and windows export wizard provides no such possibility (export with private key is grayed out) because private key has been install as non-exportable (what is the default when importing, what almost nobody changes), there is a great tool mimikatz that makes this possible. Download [...]]]></description> <wfw:commentRss>http://blog.dob.sk/2012/04/05/windows-exporting-non-exportable-private-key-2/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>solution: subversion not working under redmine</title><link>http://blog.dob.sk/2011/07/05/solution-subversion-not-working-under-redmine/</link> <comments>http://blog.dob.sk/2011/07/05/solution-subversion-not-working-under-redmine/#comments</comments> <pubDate>Tue, 05 Jul 2011 21:11:25 +0000</pubDate> <dc:creator>sam</dc:creator> <category><![CDATA[admin]]></category> <category><![CDATA[how-to]]></category> <category><![CDATA[time saver]]></category> <guid
isPermaLink="false">http://blog.dob.sk/?p=270</guid> <description><![CDATA[If you have problem to use subversion under redmine, but svn command itself works ok, the problem might be in incorrect home directory configured for user which is running redmine (can be apache user, fcgi user id&#8230;etc). Incorrect here means home directory points to a file instead of directory (ie. /dev/null) . One can reproduce [...]]]></description> <wfw:commentRss>http://blog.dob.sk/2011/07/05/solution-subversion-not-working-under-redmine/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Secure remote access to subversion repository</title><link>http://blog.dob.sk/2009/12/03/secure-remote-access-to-subversion-repository/</link> <comments>http://blog.dob.sk/2009/12/03/secure-remote-access-to-subversion-repository/#comments</comments> <pubDate>Thu, 03 Dec 2009 13:05:39 +0000</pubDate> <dc:creator>sam</dc:creator> <category><![CDATA[admin]]></category> <category><![CDATA[cm]]></category> <category><![CDATA[how-to]]></category> <guid
isPermaLink="false">http://sam.blog.dob.sk/?p=147</guid> <description><![CDATA[I was dealing with problem how to remotely access subversion server in secure way. There are (as far i know) two basic ways to do this and I was not satisfied with neither of them, due to some security and hard-to-setup-or-maintain problems. So I have created my own way how to remotely access subversion repository [...]]]></description> <wfw:commentRss>http://blog.dob.sk/2009/12/03/secure-remote-access-to-subversion-repository/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>StartCom StartSSL certificate + nginx</title><link>http://blog.dob.sk/2009/10/15/startcom-startssl-certificate-nginx/</link> <comments>http://blog.dob.sk/2009/10/15/startcom-startssl-certificate-nginx/#comments</comments> <pubDate>Thu, 15 Oct 2009 13:20:55 +0000</pubDate> <dc:creator>sam</dc:creator> <category><![CDATA[admin]]></category> <category><![CDATA[how-to]]></category> <guid
isPermaLink="false">http://sam.blog.dob.sk/?p=113</guid> <description><![CDATA[Quick guide to use free and widelly accepted (week ago Microsoft added StartSSL certificates to known authorities !) SSL certificate on nginx webserver. create certificate on startssl.com download certificate (ssl.pem) and generated key (remove password from key using: openssl rsa -in ssl.key-pass -out ssl.key) download helper certificates (from http://www.startssl.com/certs/ (according to your class level, usually [...]]]></description> <wfw:commentRss>http://blog.dob.sk/2009/10/15/startcom-startssl-certificate-nginx/feed/</wfw:commentRss> <slash:comments>1</slash:comments> </item> <item><title>Solving MAX(COUNT()) problem 2 &#8211; optimizations</title><link>http://blog.dob.sk/2009/08/19/solving-maxcount-problem-2-optimizations/</link> <comments>http://blog.dob.sk/2009/08/19/solving-maxcount-problem-2-optimizations/#comments</comments> <pubDate>Wed, 19 Aug 2009 17:49:03 +0000</pubDate> <dc:creator>sam</dc:creator> <category><![CDATA[devel]]></category> <category><![CDATA[how-to]]></category> <category><![CDATA[rdbms]]></category> <guid
isPermaLink="false">http://sam.blog.dob.sk/?p=80</guid> <description><![CDATA[In previous post I&#8217;ve tried to present my solution for solving max(count()) problem.  The solution was slightly suboptimal and I&#8217;ve needed to speed it up a bit, because I&#8217;m using it now in some statistical calculations and every millisecond is important. This is original solution. CREATE VIEW data_view_source AS SELECT DISTINCT ON (dp_id) dp_id, ds_id [...]]]></description> <wfw:commentRss>http://blog.dob.sk/2009/08/19/solving-maxcount-problem-2-optimizations/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>SQL timeline and statistical computations</title><link>http://blog.dob.sk/2009/08/07/sql-timeline-and-statistical-computations/</link> <comments>http://blog.dob.sk/2009/08/07/sql-timeline-and-statistical-computations/#comments</comments> <pubDate>Fri, 07 Aug 2009 16:32:48 +0000</pubDate> <dc:creator>sam</dc:creator> <category><![CDATA[devel]]></category> <category><![CDATA[how-to]]></category> <category><![CDATA[rdbms]]></category> <guid
isPermaLink="false">http://sam.blog.dob.sk/?p=71</guid> <description><![CDATA[This is simple way how-to generate time table (list of consequencing timestamps, or timeline) in PostgreSQL. Nothing spectacular, but might help you ,when trying to do some time based statistical selects (can feel like OLAP ). Code: CREATE OR REPLACE FUNCTION gen_time_list( tim IN TIMESTAMP, tim_stop IN TIMESTAMP, step IN INT) RETURNS TABLE(ts1 TIMESTAMP, ts2 [...]]]></description> <wfw:commentRss>http://blog.dob.sk/2009/08/07/sql-timeline-and-statistical-computations/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Solving MAX(COUNT()) problem</title><link>http://blog.dob.sk/2009/08/04/solving-maxcount-problem/</link> <comments>http://blog.dob.sk/2009/08/04/solving-maxcount-problem/#comments</comments> <pubDate>Tue, 04 Aug 2009 13:34:46 +0000</pubDate> <dc:creator>sam</dc:creator> <category><![CDATA[devel]]></category> <category><![CDATA[how-to]]></category> <category><![CDATA[rdbms]]></category> <guid
isPermaLink="false">http://sam.blog.dob.sk/?p=46</guid> <description><![CDATA[I&#8217;ve been solving problem of doing grouped MAX(COUNT()) in PostgreSQL, and because I&#8217;ve not found anything really usable out there (doing correlated sub-queries is definitely not good idea for thousands of records) I&#8217;ve had to find my own solution. Situation plan My configuration is a bit complicated to explain this, so i&#8217;ll try do it [...]]]></description> <wfw:commentRss>http://blog.dob.sk/2009/08/04/solving-maxcount-problem/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> </channel> </rss>
