I thought of this as I was
running in the rain today. I find certain things easy to do that others
s…
The first month of the year has been
memorable. We got sick on the new year’s eve, we think it was C…
To learn about
typecheckers, I decided to make a small typed calculator. I figured this
could be use…
These are my notes about CNNs,
some toy code in this colab. Motivation for CNNs While MLPs are a
ver…
Here, we play with the
attention mechanism and word embeddings to get make a KV store that
fuzzily s…
[I came across an expression like: python for self.batch in batches:
…
I had no idea one could…](2022-12-31-python-for.html)
The rhythmic aspect of Indian
classical music uses cycles of a fixed number of beats. Familiar
West…
I participated in the
Seeüberquerung this year. About 6500 people swam from the Strandbad
Mythenquai…
After
getting the basics of QC down with quantum.country, I find thinking
about and surveying quantu…
This will work for X based
installations, and not just for the Del key. KDE/Gnome usually have
tools…
This video is the best
derivation I found: https://www.youtube.com/watch?v=a-dIl1Y1aTs.
BEGIN no…
I got this pop-up recently and
while it must be from some desktop application that uses
Electron.js…
Recently I revisited two’s complement
arithmetic. It’s one of the coolest tricks I’ve seen. Computer…
The COVID-19 situation is the
first such in my life. It has affected me and my family in various
way…
When I moved to Zürich last year,
I was drawn to percussion in general. I played around with a
drum-…
The 36th Chaos Communication
Congress took place in Leipzig from 26-30 December, 2019. I’d always
wa…
Suppose we have a Perl
module that allows us to query a set of business objects (for example,
purcha…
The borrow checker is
arguably one of the biggest sources of frustration when learning Rust.
Once th…
Files already have a lot of user
accessible metadata associated with them – the last time of
modifi…
The HAMCYCLE problem If a
graph \(G\left(V, E\right)\) contains a
Hamiltonian cycle, we can pick a sub…
Lockfiles are commonly
used for process level mutal exclusion. For example, a cronjob
processing hou…
I decided to read
interesting deep learning papers often and try to summarize them to aid
my own und…
[In testing my implementation of a distributed failure detector, I
needed to be able to:
Spawn n ins…](2018-01-16-ipc-run.html)
The bakery algorithm was
proposed by Leslie Lamport as a solution to Dijkstra’s concurrent
programmi…
This is a note to self on
computing the lower bound on number of messages each process in a
distribu…
Gossip based protocols are
widely used in distributed systems for robust dissemination of
informatio…
Suppose we have a bunch
of files we’d like to have backed up on a remote host periodically. In
this …
Hashing is
commonly used when we want to reduce a message of an arbitrary size to a
fixed length “di…
Numbers are abstractions
invented by humans to aid with various activities, mainly counting, and
som…
In these exercises, we deal
with continued fractions. These are remarkable ways of writing rational
…
On Linux, most programs
that daemonize write their process number to a file, which can be used
to se…
This approach requires
ffmpeg (forked to avconv on Debian), and is not really limited to
OpenCV. If …
Implementing (useful subsets
of) basic Unix utilities is a great way to learn a programming
language…
Fermat’s principle of
least time can be roughly stated as, “The path taken between two points
by a r…
Euclid’s algorithm for computing
the GCD (Greatest Common Divisor) of two numbers is based on a
very…
These two exercises ask us to
implement a multiplication routine assuming we can only add, double,
a…
This exercise describes a
transformation \(T_{pq}\), that, when
applied to a pair $( a, b )…
Exercise 1.15 in SICP requires us
to find the order of growth in time and space of a procedure that
…
This exercise requires
the design of a procedure that evolves an iterative exponentiation
process us…
Given a set of coin
denominations \(\mathbb{C}\) of size
\(n\), in how many ways can an amount
\(A\) be ch…
The Fibonacci sequence is
given by, $$ Fib(n) = { \begin{cases} 0 & n = 0
1 & n = 1
…
Getting OpenCV running
on Android without an IDE like Android Studion or Eclipse is actually
very si…
In both Scheme and Common
Lisp, the IF conditional is a special form with a simple evaluation
rule: …
Both C++ and Python are
excellent languages that complement each other in many ways. I have been
wor…
Suppose we have a list
implementation in which every element (or node) in the list contains a
head, …
Common Lisp is a dynamically, but
strongly typed language. The variables carry the type information
…
Even though Lisp lists are
remarkably powerful and flexible, they are not the only data-structure
av…
This post shows how to install the
important packages for scientific computing in Python in a
virtua…
There exist a number of metrics to
measure similarity between two items, like the Euclidean
distance…
The number of ways of choosing \(r\) items from a collection of \(n\) identical items is referred to as
…
Python decorators
are one of the best features of the language, and I think that this SO
answer des…
I have deployed quite
a few Django powered sites on PaaS like OpenShift, Google AppEngine. But
I was…