This is a commentary to an introductory course to calculus and analysis which I have a course review on if you are interested. The content presented below are from the fall of 2021 which may not reflect what is covered in your class today. Furthermore, the information presented will have the author’s own commentary and is NOT and should NOT be a replacement to attending class. The author simply wishes to review the cotent of the course mixed with their own speculations, views, and emotions as it reflects on the course 5 years later in preparation to their eventual return...

Read More...

Months ago on a university Reddit page, a student asked when programming started to click because they are in their second year of their studies in Computer Science and feel lost. This was my response to them (with some edits to expand on certain topics):

Read More...

Polymorphism is an important feature of Object Oriented Programming whereby one can represent an object in different forms, hence the name. However, its implementation between Java and C++ which could bite you if you are not aware. This blog is going to explore the following topics: Static Dispatch The need for virtual functions Dynamic Dispatcher - Looking Into Assembly Virtual Pointers and Virtual Tables

Read More...

Reading the coding standards at a company I recently joined revealed to me the issue with default label within the switch statement and why it’s prohibitted when its being used to enumerate through an enum. default label is convenient to handle any edge cases and it’s often used to handle errors. However, when working with enums, it is often the case that the prpogrammer intends to handle all possible values in the enum. To catch this mishap, programmers would enable -Wswitch or -Werror=switch to their compiler. For instance, let’s suppose I have an enum named Suit to represent the different...

Read More...

I was recently reminded that the variable this is an implicit parameter passed to all methods in OOP such as C++. We can observe this by comparing a regular function vs a method belonging to some class:

Read More...

I recently found out accidentally at work that vim and view were the same thing when I happened to be editing a file on view instead of my beloved vim editor.

Read More...

Note: This is a follow up post from my microblog WARNING: I am no expert in Assembly. The last and only time I ever wrote assembly was computing the Fibbonacci Sequences 8 years ago for the MIPS architecture

Read More...

Years ago I was once asked by an intern to debug a mysterious crash that seemed so innocent. While I no longer recall what the code was about, we stripped the program to a single line in main. Yet the program still continued to crash.

Read More...

I previously mentioned in my microblog that I lost my file by accidentally overwriting my file using the cp command. This got me thinking as to why this would be impossible on my work laptop since I would be constantly bombarded with a prompt to confirm my intention to overwrite the file.

Read More...

Recently on Hackernews, a relations developer from QNX announced that QNX is now free for anything non-commercial. QNX also made an annoncement to the LinkedIn Community as well which was where I learned about it. For those who are not familiar with QNX, QNX is a properiety realtime operating system targetted for embedded systems and is installed in over 255 million vehicles. QNX has a great reputation for being reliable and safe embedded system to build software on top of due to its microarchitecture and compliance to many industrial and engineering design process which gives customers the ability to certify...

Read More...