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The Decoded String at Index using Java
June 4, 2020
The Challenge An encoded string S is given. To find and write the decoded string to a tape, the encoded string is read one character at a time and the following steps are taken:
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Timing Issues in Real-time systems
June 3, 2020
What are Real-time Systems? If you look up the term “real-time” in a dictionary, it will tell you that it is the actual time during which a process takes place or an event occurs (Dictionary.
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Find the Minimum Absolute Difference in BST using Java
June 2, 2020
The question Given a binary search tree with non-negative values, find the minimum absolute difference between values of any two nodes.
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Get the Second Highest Salary in MySQL
June 1, 2020
The problem Write a SQL query to get the second highest salary from the Employee table.
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Find Maximum Subarrays using Java
May 31, 2020
The problem Given an integer array nums, find the contiguous subarray (containing at least one number) which has the largest sum and return its sum.
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Finding Number Complements using Java
May 30, 2020
The problem Given a positive integer num, output its complement number.
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Forensic Analysis on Linux (Unix)
May 29, 2020
Operating Systems come in a few competing choices, of which the major players are Apple’s MacOS, Microsoft’s Windows and then the various flavours of Linux, of which most are open-sourced while the remainder are proprietary to their vendors.
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Self Dividing Numbers using Python
May 28, 2020
Introduction A self-dividing number is a number that is divisible by every digit it contains.
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RuntimeError: thread.__init__() not called (Python)
May 27, 2020
Today I got a really dumb error from Python. RuntimeError: thread.
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All About Distributed Databases
May 26, 2020
A database “is a structured collection of data. Card indices, printed catalogues of archaeological artefacts and telephone directories are all examples of databases”.
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Network systems security risks
May 25, 2020
Networking has played a vital part in the transfer of information as well as the accessibility of information that was never available to previous generations with the rapid increase of internet-connected devices.
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Communications and The Software Development Process
May 24, 2020
Software Engineering or the Software Development Process is broken down into the following phases.
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Get the total size of all the files in a directory
May 23, 2020
It’s amazing how many times I’ve need to find out the total size of all the files in a directory on one of our servers.
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Structured and Object-Oriented Programming
May 22, 2020
Software development has really come a long way over the past few decades.
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Moving a MySQL Database without downtime
May 21, 2020
At Statvoo Analytics we found ourselves in the position where we needed to move our master MySQL database without ANY downtime and for anyone who’s tried to do this, you will know how hard this can be if it is not done exactly right.
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How to use Google Analytics in AngularJS
May 20, 2020
It seems to be quite a popular question with not as many answers to hold the weight.
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Converting from Legacy to Client-Server or Distributed Systems
May 19, 2020
What is a legacy system? A legacy system is a computing system that has been around for a very long period of time, tends to be difficult to maintain, is prone to issues such as lack of scalability and feature additions, usually centralised in operation and is still heavily utilised in a particular organisation.
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Conceptual Architectural Views, with a focus on the Development View
May 18, 2020
What is Conceptual Architectural Views? Architectural views are abstractions, or simplifications, of the entire design, in which important characteristics are made more visible by leaving details aside.
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Assessing Reusable Parts in a Software Architecture
May 17, 2020
During the Software Development Life Cycle (SDLC) the development team will come to realise that parts of any application have already been created before and there is the potential for those parts to be reused time and again going forward.
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An Introduction to 2-Tier and 3-Tier Client-Server Systems
May 16, 2020
All software systems can be grouped in either a 2-tier or a 3-tier formation.
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