Some of Stephen Wolfram’s “productivity hacks” to make his days and projects more productive. Daily life, desk environment, outside the office, presentation setup, filesystem organization, Wolfram Notebook systems, databases, personal analytics.

I especially like the treadmill.

Johnny.Decimal is designed to help you find things quickly, with more confidence, and less stress.

Алекс Хитеч подкидывает документы компании, которая забыла, как устроен её завод.

On communication on sea with flags

Applying The Blue Angel Criteria To Free Software

Skip brings Swift app development to Android

Максим Ильяхов разговаривает с гинекологом

Бывает, придёшь в кафе, там всякие круассаны и пирожные лежат красиво. Поразглядывал, выбрал, обращаешься к девушке. А она такая: «Вам с собой?» Нет, здесь. «Садитесь, к вам подойдет официант».

SQL Polyglot is a quick way to see if a particular SQL feature is supported in different database systems. Write a query and see it run anywhere from PostgreSQL to DuckDB without leaving your browser.

By default, the apps on your phone are connecting to the internet even when your not using them. It's a feature called Background App Refresh and it is mostly not very useful.

Нагавкать на слона и не получить по еблищу — это не свобода, и даже не доблесть; это бретёрство, жалкое позерство, свойственное пижонам и студентам.

SQL has evolved. Beyond the relational model. Discover it now.

Index the independent where predicates to improve hash join performance.

Indexing join predicates doesn’t improve hash join performance.

Indexing a hash join is independent of the join order.

Select fewer columns to improve hash join performance.

Hash joins do not need indexes on the join predicates. They use the hash table instead.
A hash join uses indexes only if the index supports the independent predicates.
Reduce the hash table size to improve performance; either horizontally (less rows) or vertically (less columns).
Hash joins cannot perform joins that have range conditions in the join predicates.

Hundreds of utilities available for recovery, maintenance, testing and more

Живой диск линупса для починки поломанных систем. Не содержит графического интерфейса, голая консоль и куча утилит.

Everything you need to know about monorepos, and the tools to build them.

Для всех, кто знал SQL, но подзабыл

Интерактивная статья о физике велосипеда.

О том, почему ё важна