Atul Singh | The Blog Pros

May 18, 2020

What Do We Know About Tomcat 9.0

Apache Tomcat is a very popular and preferred industry choice for web application development as a Servlet/JSP container. Apache Tomcat version 9.0 implements the Servlet 4.0 and Java Server Pages 2.3 specifications from the Java Community Process and includes many additional features that make it a useful platform for developing and deploying web applications and web services.

I take this opportunity to summarize some of the new features in Tomcat 9.0 and steps to keep in mind before upgrading from Tomcat 8.x to Tomcat 9.0.

April 23, 2020

Memory Leak: Bit-Wise and Member-wise Copy in C++

Earlier versions of C++ (prior to release 1.2) implemented assignment between objects through bit-wise copy of the source to the destination. Consider the following example that illustrates a bit-wise copy.

    C++
   
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class MyString {    
  public:  
   
     MyString(int n)  { size = n; rep = new char[size]; } 
     ~MyString()      { delete [] rep; } 
     int length() const      { return size; } 
          
 private: 
    char* rep;     
    int size; 
  }; /* MyString */

The main program has two objects of class MyString.

Packages for Store Routines in MariaDB 11.4
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MariaDB 11.4 introduced many advanced features. One that grabbed my attention is the general support of packages for stored routines. Although this was previously available by activating the Oracle compatibility mode, now the feature is available gener... […]
Maintain Chat History in Generative AI Apps With Valkey
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A while back I wrote up a blog post on how to use Redis as a chat history component with LangChain. Since LangChain already had Redis chat history available as a component, it was quite convenient to write a client application. But, that's not the same... […]
Knowledge Graph Enlightenment, AI, and RAG
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In the previous edition of the YotG newsletter, the wave of Generative AI hype was probably at its all-time high. Today, while Generative AI is still talked about and trialed, the hype is subsiding. Skepticism is settling in, and for good reason. Repor... […]
Building an Effective Zero Trust Security Strategy for End-To-End Cyber Risk Management
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You've probably heard a lot about zero-trust security lately, and for good reason. As we move more of our applications and data to the cloud, the traditional castle-and-moat approach to security just doesn't cut it anymore. This makes me come... […]
Phased Approach to Data Warehouse Modernization
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A modernized database will help you focus on building innovative solutions rather than investing your time and effort in managing these legacy systems. Based on the scale of your existing data warehouse processes or jobs, it can be an enormous task to ... […]