https://peng.fyi/index.xml

In distributed systems, because there are too many requests to be handled by a single server reliably, requests are handled by a cluster of servers.

A function is monotonic if it preserves the order of its arguments, i.e., if $x \le y$, then $f(x) \le f(y)$.

Given an array of numbers $A$, for each number $A[i]$, find the largest subarray that contains $A[i]$ and $A[i]$ is the minimum of the subarray.

Every Go program has a runtime.

We plan to load test our product before public Beta, with two goals in mind.

Given two sorted arrays of integers, $A$ and $B$, find the $K$-th smallest integer from A and B in $O(\min(\log{N}, \log{M}))$ time.

I implemented a job scheduler at work recently.

A defer statement invokes a function just before the surrounding function returns.

Like many developers, I often leave browser's "Developer Tools" open for websites of interests.

At iheartjane, we use Go web server to serve Ad requests.

I’ve observed quite a few instances where engineers, including myself, have created unnecessarily complex solutions.

Identifying unique entities is a frequent requirement in software development.

We set up test doubles when it is difficult or impossible to use real objects due to complexity or external dependencies.