I found my successful project was not entirely developed by the agile process, surprisingly it can go through a key step that reminds me the waterfall process, at least partially. Therefore I’d like to call it AgileFall. …

Five years ago, before the Covid started, I cashed all my investment into dollar. Yes, you hear me right. I missed the last a few booms on equity. I did that because after I read couple of books with negative world view, the only conclusion I can draw at that…

We all love being agile. I’m sure you’ve been in some sort of agile process in the past if not right now. But do you know, the success rate of an agile process is less than 10%, do you believe me? In my dictionary, almost all agile process failed at…

The CSS ':has' adds a custom logic to find elements based on other selectors (instead of its own selector). — I have to admit one of the most powerful machines is the CSS engine, but sometimes it’s hard to do certain things using CSS only, even just to change some colors. …

You might like to shop input devices, mouses and keyboards. I really like shop keyboards, one of the reason is that each keyboard can sometimes add a special flavor, like a knob to adjust the sound volume etc. …

I almost hear “Do my best” twice a day; It’s a common phrase in US. My problem with this phrase at work are two folds. 1) I don’t know whether the person means it or not; 2) I don’t really know what is the “best” in each person’s definition. Depending…

This is about the TypeScript feature introduced in version 3.7: https://devblogs.microsoft.com/typescript/announcing-typescript-3-7-beta/: let x = foo?.bar.baz(); In the old days, when foo was not a valid object containing bar , we needed to add some additional code to safeguard the logic, because otherwise, we simply couldn’t assign foo with undefined or…

I’m always fascinated thinking about visualizing an algorithm. When I open an algorithm book such as the one by Robert Sedgewick, it’s hard to miss his nicely presented step-by-step illustrations so that you can study the algorithm in detail. Have you thought of animating those illustrations, and taking a look…

Ok, this is the second one in the series, following Move around like a Vi person. There’s no way we can call it an editor without putting new characters to the screen, so let’s stopping moving around and try to edit the existing paragraph. Enter the INSERT mode Notice we have been moving around…