notes

reference cards, cheat sheets and how-tos i wrote over the years

programming

C/C++pthread cleanup, non-blocking sockets, shared libraries, singletons, move semantics
Emacs and SLIMEkey bindings for Emacs, SLIME and SLDB, plus swank setup and remote connecting
Flaskfile upload with Flask-RestPlus, "MySQL server has gone away" with SQLAlchemy
jQuery cheat sheetthe jQuery methods i keep forgetting - DOM, events, effects, a bit of AJAX
jQuery referencewhat's in the library, getting it, selectors
JSmapping, fetch, env vars in webpack, debugging in VS Code
PHPtransliteration, cURL upload, POST without cURL, disconnecting the client and carrying on
Pythondatetime and strftime, merging dicts, uWSGI + nginx + Flask, decorators, virtualenv, SQLAlchemy
RedBeanPHPsetup, CRUD, fluid and frozen schema, finding and raw queries, transactions
RESTful APIswhat REST is, my interface preferences, HTTP response codes i always forget
waveletsinteger Haar wavelets in Python, 1D and 2D, with lists and numpy
webmultiple submit buttons, stacking floats, file upload forms, IE width fix, filling the remaining space

4storebuild, start, load data, query it from Python, write Turtle files
Elasticsearchsetup, indexing, getting, updating, deleting, indices and mappings management, diagnostics
Elasticsearch query DSLthe queries and filters i use the most - match, bool, query_string, range, term, exists…
Elasticsearch searchrequest body and URI search, filters vs facets, pagination, sorting, fields, facets
Kyoto Cabinetbuilding Kyoto Cabinet and Kyoto Tycoon, Kyoto Tycoon's RPC API calls
MongoDBinstall on Ubuntu with the PHP driver, desktop troubles, using it from PHP
MySQLerror 1045, the on duplicate key update pitfall, shrinking ibdata1, indexing JSON columns
PostgreSQLdump and restore, deleting duplicates, resetting sequences, killing stuck queries
SPARQL, RDQLquery optimization, loading vs insertion, Turtle groupings

Apachelocal files gotcha, self-signed SSL, HTTPS vhost, .htaccess and mod_rewrite tricks
AWSEC2 connection checklist, Elastic Beanstalk auth header, Lambda, boto3, Chalice, Python layers
Bashfile name parts, file test operators, one-liners and shortcuts, lsof, cURL
Dockerinstall, an nginx + php-fpm + MySQL stack with docker-compose, data volumes, non-root use
Linuxsendmail, bad blocks, TLP, Ubuntu/GNOME bits, newer Python and node.js on Ubuntu
macOSasync execution in Objective-C, updating and cleaning up MacPorts
securitypassword generators, SSH login with public keys, rsync over SSH
Vimdelete lines by pattern, typing HTML entities, reformatting paragraphs, encryption

creating an SVN reposet up a repo and serve it with svnserve
giteveryday commands, a typical branch flow, conflicts, meld as diff and merge tool
moving an SVN repodump on one host, load on the other - one repo or all of them
SVNthe SVN pages, changing a checkout's repo URL, patches and externals
SVN clientthe development cycle, managing files, branching and merging
SVN on shared hostingbuild SVN in your home, SSH keys, a named tunnel and svnserve - no root needed