Tech blog

A place where I occasionally post articles or notes related to my profession of a software engineer.

Useful resources on memory models	concurrency⁵ memory model² C¹ C++² Rust² Java¹⁰	2022-09-25
Simulating Rust's `Self` keyword via generics in Java	Java¹⁰ Rust²	2022-04-15
TCP keep-alive mechanism is not meant to keep TCP connections alive	TCP¹ networking¹	2020-09-25
Actual rows reported by PostgreSQL's `explain analyze` is not the number of rows in the set computed by a node	PostgreSQL¹ SQL²	2020-09-20
Parallelism vs. concurrency	concurrency⁵ disambiguation⁶	2020-05-17
Making Java app behavior consistent in different environments	Java¹⁰	2019-05-06
Directory vs directory service vs naming service vs LDAP vs JNDI	Java¹⁰ security² disambiguation⁶	2019-02-16
Consider using an `array` with `value_expression in (select unnest(?))` instead of issuing SQL statements in a batch or building dynamic statements	SQL²	2019-02-14
An amateur talks about measuring performance	performance¹	2019-01-15
A pitfall with asynchronous incremental logical data replication	distributed systems¹	2018-07-30
Decoding Apple App Store receipts (PKCS #7, ASN.1) in Java	Java¹⁰	2017-06-06
Using SLF4J MDC across threads	Java¹⁰	2017-06-03
Race condition vs. data race	concurrency⁵ Java¹⁰ disambiguation⁶	2015
Java `final` field semantics	concurrency⁵ memory model² Java¹⁰	2014
Identification vs. authentication vs. authorization	security² disambiguation⁶	2013
Disambiguating "now" and "immediate"	concurrency⁵ disambiguation⁶	2013-08-21
Charset vs. encoding	disambiguation⁶	2013
Pitfalls with JDBC `PreparedStatement.setTimestamp`/`ResultSet.getTimestamp`	JDBC¹ Java¹⁰	2012
Pitfalls with `UserTransaction.setTransactionTimeout`	Jakarta EE¹ Java¹⁰	2011
Stopwatch	archived⁴ .NET Framework¹ C#¹	2008
3D Billiards	archived⁴ OpenGL¹ C++²	2005-12