pts.blog

This blog post explains how to compute the sorted intersection of two sorted lists, and it shows a fast Python implementation. The time comp...

This blog post explains how to copy files using rsync between the computer running Unix (typically Linux or Mac OS X) and the mobile device ...

This blog post explains how to avoid data copies in assignment from temporary values in C++. The move assignment operator (a feature introdu...

This blog post shows a Java class to generate all subsets of size k of the set {0, 1, ..., n - 1}, in lexicographic order. The code uses O...

This blog post explains how to download some Gmail messages (distinguished by a label) to a computer running in Unix. The download method sh...

This blog post presents some of the speed measurements I've done with alternative implementations of memset. I was filling a 1 GB memor...

Add or replace at most 1 character in the longest line of the following program so that it will print 20 dots. There are at least 10 solutio...

Add or replace at most 1 character in the longest line of the following program so that it will print 20 dots. There are at least 3 solution...

This blog post explains how hyperbolic discounting causes you to change your mind, and how to trick it so that you can keep to your commitme...

This blog post contains come comments about finding all triangles whose sizes are integers and the area/perimeter ratio is the integer r . T...

This blog post summarizes what I learned about C++ today about how the lifetime of temporaries is extended because of references. Normally ...

This blog post explains how to overwrite the git committer name, git committer e-mail and git committer date in previous commits in a git re...

This blog post gives you advice to make the best use of your time for learning how to program and enjoying programming in your pre-college y...

This blog post lists the best books I can recommend to students who want to learn how to program. Please note that programming is more about...

Dear Student, This is your life. Make it happy, productive and full for yourself! The smarter and more skilled you are, the more choices a...

This blog post explains the difference between StaticPython and PyRun . Both StaticPython and PyRun are free, portable binary distribution...

This blog post explains how to write C++ code which parses integers, in a type-safe way for any integral type, paying attention to overflows...