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    <title>Oracle on Micha Kops&#39; Tech Notes</title>
    <link>https://www.hascode.com/tags/oracle/</link>
    <description>Recent content in Oracle on Micha Kops&#39; Tech Notes</description>
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    <language>en</language>
    <copyright>Copyright © 2010 - 2025 Micha Kops. #c7fce1a48044fee97f19975844b0983837a8dc96</copyright>
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    <item>
      <title>Quick Apache NiFi Setup with Docker</title>
      <link>https://www.hascode.com/quick-apache-nifi-setup-with-docker/</link>
      <pubDate>Tue, 08 Feb 2022 00:00:00 +0100</pubDate>
      <guid>https://www.hascode.com/quick-apache-nifi-setup-with-docker/</guid>
      <description>&lt;div class=&#34;sect1&#34;&gt;
&lt;h2 id=&#34;_steps&#34;&gt;Steps&lt;/h2&gt;
&lt;div class=&#34;sectionbody&#34;&gt;
&lt;div class=&#34;paragraph&#34;&gt;
&lt;p&gt;Pull image and run with ports exposed:&lt;/p&gt;
&lt;/div&gt;
&lt;div class=&#34;listingblock&#34;&gt;
&lt;div class=&#34;content&#34;&gt;
&lt;pre class=&#34;highlight&#34;&gt;&lt;code class=&#34;language-bash&#34; data-lang=&#34;bash&#34;&gt;docker run --name &amp;#34;nifi&amp;#34; -p 8443:8443 -d apache/nifi:latest&lt;/code&gt;&lt;/pre&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;div class=&#34;paragraph&#34;&gt;
&lt;p&gt;Fetch the generated username and password from the logs:&lt;/p&gt;
&lt;/div&gt;
&lt;div class=&#34;listingblock&#34;&gt;
&lt;div class=&#34;content&#34;&gt;
&lt;pre class=&#34;highlight&#34;&gt;&lt;code class=&#34;language-bash&#34; data-lang=&#34;bash&#34;&gt;docker logs nifi | grep -A1 &amp;#34;Generated Username&amp;#34;

Generated Username [8f6d91f7-733e-40cf-b900-059ea9dccbf2]
Generated Password [v7KGiiRYLJL2+HzhKOqz1rbgiPOaWz0B]&lt;/code&gt;&lt;/pre&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;div class=&#34;paragraph&#34;&gt;
&lt;p&gt;Now we may enter the &lt;a href=&#34;https://localhost:8443/nifi/login&#34; class=&#34;bare&#34;&gt;https://localhost:8443/nifi/login&lt;/a&gt; in our browser, accept the security exemption and login
with the credentials from above, voila!&lt;/p&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;div class=&#34;sect1&#34;&gt;
&lt;h2 id=&#34;_installing_additional_connectors&#34;&gt;Installing additional connectors&lt;/h2&gt;
&lt;div class=&#34;sectionbody&#34;&gt;
&lt;div class=&#34;paragraph&#34;&gt;
&lt;p&gt;I have found a nice summary on the following &lt;a href=&#34;https://github.com/noharm-ai/nifi-docker&#34;&gt;GitHub repository&lt;/a&gt;:&lt;/p&gt;
&lt;/div&gt;</description>
    </item>
    <item>
      <title>SCJP/OCPJP Exam Preparation: Pitfalls to avoid</title>
      <link>https://www.hascode.com/scjp/ocpjp-exam-preparation-pitfalls-to-avoid/</link>
      <pubDate>Mon, 25 Apr 2011 00:00:00 +0200</pubDate>
      <guid>https://www.hascode.com/scjp/ocpjp-exam-preparation-pitfalls-to-avoid/</guid>
      <description>&lt;div id=&#34;preamble&#34;&gt;
&lt;div class=&#34;sectionbody&#34;&gt;
&lt;div class=&#34;paragraph&#34;&gt;
&lt;p&gt;Last year I passed the exam for the “Oracle Certified Professional Java Programmer”successfully and wanted to share my exam preparation notes about common problems and pitfalls to be aware of.&lt;/p&gt;
&lt;/div&gt;
&lt;div class=&#34;paragraph&#34;&gt;
&lt;p&gt;That’s why I have added some code and examples for my top 25 challenges below.&lt;/p&gt;
&lt;/div&gt;
&lt;div class=&#34;imageblock&#34;&gt;
&lt;div class=&#34;content&#34;&gt;
&lt;img src=&#34;ocpjp1.png&#34; alt=&#34;image&#34;/&gt;
&lt;/div&gt;
&lt;div class=&#34;title&#34;&gt;Figure 1. ocpjp&lt;/div&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;div class=&#34;sect1&#34;&gt;
&lt;h2 id=&#34;_exam_preparation&#34;&gt;Exam Preparation&lt;/h2&gt;
&lt;div class=&#34;sectionbody&#34;&gt;
&lt;div class=&#34;paragraph&#34;&gt;
&lt;p&gt;I won’t cover how to prepare yourself for the exam, how the exam is structured or what is the best way to process the exam’s questions – these questions are very well covered by the SCJP study guide, JavaRanch.com or other resources of choice – I have listed a few at the and of this article in the resources section.&lt;/p&gt;
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