Tags

Yep, a tag cloud.

And here's all posts broken down by tag:

1Password

You can easily share 1Password items via a link on November 23, 2020
The keyboard shortcut for grabbing a MFA code in 1PW on October 22, 2020

Alexa

BBC Sounds only works on Alexa if the language setting is UK English on January 7, 2021

Alfred

You can display the typed text in Alfred in a huge typeface on September 7, 2020
How to configure Alfred’s Bear workflow to open notes in the main window on September 2, 2020
About Alfred’s clipboard history feature on July 20, 2020
About Alfred’s snippet collections on July 20, 2020

APT

systemd timers can be stopped on March 9, 2021

Asana

Asana has some magic search terms on August 12, 2020

Aurora

That AWS Aurora clusters have two types of storage on November 9, 2021

AWS

Python tests using moto should be explicit about AWS regions on October 4, 2022
AWS target groups fail open when all instances are unhealthy on September 24, 2022
That AWS Aurora clusters have two types of storage on November 9, 2021
How to use aws-mfa-v2 to avoid entering so many MFA tokens on November 8, 2021
You can have SSH sessions via AWS Session Manager on August 9, 2021
How to use AWS profiles that require MFA on October 21, 2020
AWS ASGs have an ‘instance refresh’ feature on September 28, 2020
There’s a Chrome extension for switching AWS IAM roles on September 22, 2020
AWS Availability Zones have counter-intuitive IDs on August 25, 2020
Where authentication for the ubuntu user on a EC2 instance is defined on July 22, 2020

Bash

which behaves diffferently in Zsh compared to Bash on September 29, 2022
How to join an array in Bash on March 29, 2022
About Bash’s $SECONDS shell variable on November 26, 2021
About Ubuntu’s alert Bash alias on May 14, 2021
About readonly Bash variables on October 13, 2020
About shellcheck on October 12, 2020
About Bash’s DEBUG signal on October 7, 2020

Bear

How to configure Alfred’s Bear workflow to open notes in the main window on September 2, 2020

Browsers

About text fragments on August 10, 2020

Chess

There is a “Bongcloud” chess opening on October 2, 2020

Chrome

About Chrome’s named windows on June 30, 2021
Chrome has a flags page for enabling experimental features on February 16, 2021
You can take screenshots with Chrome DevTools on January 25, 2021
There’s a Chrome extension for switching AWS IAM roles on September 22, 2020

CircleCI

How to easily disable a CircleCI workflow on January 8, 2021
How to spell-check markdown repos on CircleCI on December 7, 2020

Command-line tools

About delta, a viewer for Git and diff output on March 19, 2021
How to search for fixed strings with grep and ripgrep on January 12, 2021
You can define custom file-type filters in ripgrep on December 29, 2020
You can specify the file-type for bat on December 21, 2020
About envsubst on December 19, 2020
How to set per-project ripgrep and fzf exclude rules on December 4, 2020
Exuberant-ctags has been superceded by Universal-ctags on November 16, 2020
About column on November 12, 2020
fd has an option for searching filepaths on October 23, 2020
How to use xargs with printf on September 29, 2020
About pngcrush on August 14, 2020

Ctags

Universal Ctags can index more things than I realised on December 10, 2020
How to configure ctags to parse Terraform files on November 26, 2020

Debugging

pdbpp has a useful ‘sticky’ mode on March 11, 2021

Discourse

How to list the mounts of a running Docker container on December 7, 2021

Django

How to override Django’s settings for every method in a test class on June 27, 2022
That Python’s datetime package doesn’t support ordinal suffixes for the day of the month on June 1, 2022
You can’t use Django’s generic foreign key field with objects stored in a separate database on February 2, 2022
About Django’s setup method for generic view classes on December 14, 2021
Django settings prefixed with an underscore are private on September 20, 2021
Django doesn’t flush caches between tests on July 23, 2021
How Django’s management commands need to be type hinted on July 22, 2021

Docker

Docker for Mac stores all containers and images in a single disk image on March 9, 2022
How to list the mounts of a running Docker container on December 7, 2021
How to enable Docker BuildKit in MacOS Docker Desktop on December 29, 2020
How to run Jekyll in a Docker container on November 30, 2020

Documentation

What the sections of the Unix manual are on March 22, 2021

FactoryBoy

About Factory Boy’s SelfAttribute class on February 16, 2022
Factory boy can be used to build dicts on September 30, 2021

fd

How to pipe an argument list into Vim on January 15, 2021
fd has an option for searching filepaths on October 23, 2020

Flake8

File-level flake8 comments ignore all errors on July 21, 2021

Git

How to continue a Git rebase and skip editing the commit message on November 12, 2021
How to find the files from a commit that deleted a given pattern on October 15, 2021
About Git’s diff.relative config option on October 12, 2021
About git merge-base on September 8, 2021
Git aliases that run an external command are run from the repository root on July 21, 2021
About git log -G on June 2, 2021
That vim-polyglot conflicts with Hub when creating pull requests on March 30, 2021
About git-absorb on March 28, 2021
How to include the date in git reflog output on March 25, 2021
About delta, a viewer for Git and diff output on March 19, 2021
You can use Git log to view the evolution of a function on March 5, 2021
How to resolve Git rebase conflicts on renamed files on October 5, 2020
How to count lines of code in a Git repo for a given commit on September 17, 2020

Github

About pycon markdown format on July 1, 2022
About Github’s involves:$username search filter on February 2, 2022
About Github’s @me search term on February 5, 2021
How to embed markdown content in a Github code block on October 27, 2020

Google Workspace

Email Log Search in Google Workspace has some strange behaviour on July 20, 2022
Google Groups can be nested on January 31, 2022
GSuite’s “Groups Admin” role can read any group email on December 2, 2020
You can hide night-time hours in Google calendar on November 6, 2020

Gotchas

YAML has several string-parsing gotchas on September 21, 2020

Helm

You can specify the file-type for bat on December 21, 2020

Home networking

Virgin Media’s “Web Safe” product uses DNS on January 29, 2021
OpenDNS provide free porn-blocking DNS servers on August 27, 2020

Hugo

How to list pages with matching tag in Hugo on August 17, 2020
You can have SASS asset pipelines in Hugo on August 11, 2020

iOS

How to effectively scan files using an iPhone on October 8, 2021

iTerm2

iTerm2’s “Cursor boost” feature will cause everything to appear dimmed on March 12, 2021

Javascript

dprint can be used to speed up Prettier on April 27, 2022
Javascript’s unary + operator casts null to zero on September 21, 2020

Jekyll

How to run Jekyll in a Docker container on November 30, 2020

JQ

About jq’s --slurp option on June 17, 2021
You can use shuf to take random samples of lines on April 14, 2021
AWS Availability Zones have counter-intuitive IDs on August 25, 2020

JSON

JSON is valid YAML on March 26, 2021

Kubernetes

About envsubst on December 19, 2020

Linux

About Ubuntu’s alert Bash alias on May 14, 2021
systemd sends SIGKILL signals after waiting for TimeoutStopSec seconds on March 12, 2021
systemd timers can be stopped on March 9, 2021

Loggly

You can search for Loggly mapping conflicts on February 10, 2022

MacOS

How to easily copy annotated screenshots to the clipboard on macOS on September 13, 2021
The names for macOS keyboard meta-characters on September 10, 2021
About Chrome’s named windows on June 30, 2021
iTerm2’s “Cursor boost” feature will cause everything to appear dimmed on March 12, 2021
How to scroll horizontally with a mouse on January 26, 2021
How temporary files are removed on MacOS on January 7, 2021
About the difference between minimising and hiding windows in MacOS on October 19, 2020
The MacOS keybinds for en- and em-dashes on September 25, 2020
About the stationery pad feature in Finder on August 14, 2020
About Quitter on July 20, 2020
About the MacOS screencapture utility on July 20, 2020

Markdown

About pycon markdown format on July 1, 2022
Some Markdown parsers support definition lists on June 1, 2022
How to use markdownlint output in Vim’s quickfix list on February 16, 2022
How to spell-check markdown repos on CircleCI on December 7, 2020
Vim-markdown has some useful commands on December 4, 2020
How to embed markdown content in a Github code block on October 27, 2020

mypy

How Django’s management commands need to be type hinted on July 22, 2021
About mypy’s unreachable code functionality on June 21, 2021
About mypy’s reveal_type and reveal_locals functions on June 16, 2021
That mypy only type-checks functions that have at least one type annotation on June 16, 2021
A better way of configuring mypy on December 10, 2020
How to use type annotations with Python’s csv module on September 3, 2020

Open-source

That software can be “free as in mattress” on March 15, 2021

OpenDNS

OpenDNS provide free porn-blocking DNS servers on August 27, 2020

OpenSSH

SSH config supports multiple host patterns in one block on September 23, 2020

PostgreSQL

About a gotcha with psycopg2’s autocommit handling on November 5, 2021
The correct sequence of SQL statements for dropping a role on April 28, 2021

Productivity

About the phrase “Parking downhill” on July 21, 2020

Profiling

How to profile Pytest tests on June 23, 2022

Pytest

About indirect parametrization with Pytest on August 24, 2022
How to use xmllint to extract the failing test filenames from a JUnit-XML file on June 28, 2022
How to override Django’s settings for every method in a test class on June 27, 2022
How to profile Pytest tests on June 23, 2022
That Pytest’s “keyword expression” filtering supports Python conditionals on July 16, 2021
You can have class-scoped autouse pytest fixtures on March 16, 2021
Pytest doesn’t play nicely with ipdb on March 2, 2021
You can stack pytest’s parametrize decorators on December 16, 2020
You can label parameterized fixtures with pytest on December 11, 2020

Python

It’s better to explicitly chain Python exceptions on September 12, 2022
About indirect parametrization with Pytest on August 24, 2022
That Python’s datetime package doesn’t support ordinal suffixes for the day of the month on June 1, 2022
How to inspect and clear Python’s functools.lru_cache on February 21, 2022
About Factory Boy’s SelfAttribute class on February 16, 2022
You can’t use Django’s generic foreign key field with objects stored in a separate database on February 2, 2022
About Django’s setup method for generic view classes on December 14, 2021
How to use aws-mfa-v2 to avoid entering so many MFA tokens on November 8, 2021
About a gotcha with psycopg2’s autocommit handling on November 5, 2021
Python’s envparse library has counter-intuitive boolean casting on October 14, 2021
Factory boy can be used to build dicts on September 30, 2021
Django settings prefixed with an underscore are private on September 20, 2021
Django doesn’t flush caches between tests on July 23, 2021
How Django’s management commands need to be type hinted on July 22, 2021
File-level flake8 comments ignore all errors on July 21, 2021
That Pytest’s “keyword expression” filtering supports Python conditionals on July 16, 2021
That FreezeGun doesn’t work with Pytest fixtures (unless you use pytest-freezegun) on July 12, 2021
About mypy’s unreachable code functionality on June 21, 2021
About mypy’s reveal_type and reveal_locals functions on June 16, 2021
That mypy only type-checks functions that have at least one type annotation on June 16, 2021
Python’s csv.writer function defaults to Windows line endings on April 20, 2021
You can have class-scoped autouse pytest fixtures on March 16, 2021
pdbpp has a useful ‘sticky’ mode on March 11, 2021
To prefer dateutil over pytz on March 4, 2021
Pytest doesn’t play nicely with ipdb on March 2, 2021
You can arbitrarily chain Python comparison operations on January 15, 2021
You can stack pytest’s parametrize decorators on December 16, 2020
You can label parameterized fixtures with pytest on December 11, 2020
A better way of configuring mypy on December 10, 2020
datetime.datetime is a subclass of datetime.date on October 22, 2020
About pip-licenses on October 8, 2020
Python 3.7 supports postponed evaluation of annotations on September 4, 2020
How to use type annotations with Python’s csv module on September 3, 2020

Recruitment

Recruiters talk about T-shaped leaders on February 3, 2021

regex

How to use look-behind regex assertions with ripgrep on April 5, 2022

ripgrep

How ripgrep interprets .gitignore rules changes when a filepath argument is used on September 13, 2022
How to use look-behind regex assertions with ripgrep on April 5, 2022
How to pipe an argument list into Vim on January 15, 2021
How to search for fixed strings with grep and ripgrep on January 12, 2021
You can define custom file-type filters in ripgrep on December 29, 2020
How to set per-project ripgrep and fzf exclude rules on December 4, 2020
You can run :grep without using parent shell process on November 4, 2020

RST

How to create an RST table of contents for the current page only on August 5, 2022

Ruby

How to run Jekyll in a Docker container on November 30, 2020

Rust

dprint can be used to speed up Prettier on April 27, 2022

SASS

You can have SASS asset pipelines in Hugo on August 11, 2020

Security

Sensitive Terraform Cloud variables are included in Sentinel mocks on April 28, 2021
How to use Bandit with Vim’s quickfix list on November 19, 2020

Sentinel

Sensitive Terraform Cloud variables are included in Sentinel mocks on April 28, 2021

Sentry

You can rate-limit issues using a Sentry DSN on August 24, 2020

Slack

You can search Slack by emoji reactions on October 4, 2022
You can convert a Slack group direct message chat into a private channel on November 20, 2020
You can change the font in Slack with /slackfont $font on September 12, 2020

Sphinx

How to create an RST table of contents for the current page only on August 5, 2022

SSH

How to reset an SSH session on September 16, 2021
You can have SSH sessions via AWS Session Manager on August 9, 2021
How to convert SSH2 public keys to OpenSSH format on March 26, 2021

Standards

The ISO-3166 codes for the United Kingdon are inaccurate on May 12, 2021

systemd

systemd sends SIGKILL signals after waiting for TimeoutStopSec seconds on March 12, 2021
systemd timers can be stopped on March 9, 2021

Terminology

That software can be “free as in mattress” on March 15, 2021
Recruiters talk about T-shaped leaders on February 3, 2021

Terraform

Sensitive Terraform Cloud variables are included in Sentinel mocks on April 28, 2021
AWS ASGs have an ‘instance refresh’ feature on September 28, 2020
How to conditionally include items in a Terraform list on September 15, 2020
Renaming a Terraform module is dangerous on July 23, 2020

Testing

Python tests using moto should be explicit about AWS regions on October 4, 2022
About indirect parametrization with Pytest on August 24, 2022
How to use xmllint to extract the failing test filenames from a JUnit-XML file on June 28, 2022
How to override Django’s settings for every method in a test class on June 27, 2022
How to profile Pytest tests on June 23, 2022
About Factory Boy’s SelfAttribute class on February 16, 2022
Factory boy can be used to build dicts on September 30, 2021
Django doesn’t flush caches between tests on July 23, 2021
That Pytest’s “keyword expression” filtering supports Python conditionals on July 16, 2021
That FreezeGun doesn’t work with Pytest fixtures (unless you use pytest-freezegun) on July 12, 2021
You can have class-scoped autouse pytest fixtures on March 16, 2021
Pytest doesn’t play nicely with ipdb on March 2, 2021
How to easily disable a CircleCI workflow on January 8, 2021
You can stack pytest’s parametrize decorators on December 16, 2020
You can label parameterized fixtures with pytest on December 11, 2020

Timezones

To prefer dateutil over pytz on March 4, 2021

Twitter

About Twitter’s min_faves search filter on July 16, 2020

Ubuntu

That Ubuntu’s retry command captures STDOUT on August 18, 2022
About Ubuntu’s alert Bash alias on May 14, 2021
Where authentication for the ubuntu user on a EC2 instance is defined on July 22, 2020

Unix

which behaves diffferently in Zsh compared to Bash on September 29, 2022
You can use shuf to take random samples of lines on April 14, 2021
About xargs -t on March 22, 2021
What the sections of the Unix manual are on March 22, 2021
The order of permissions matters with chmod on February 6, 2021

Vale

How to get Vale to work with Vim’s Ale plugin on February 20, 2022

Vim

How to use STDIN to populate Vim’s quickfix list on October 5, 2022
How to get Vale to work with Vim’s Ale plugin on February 20, 2022
How to use markdownlint output in Vim’s quickfix list on February 16, 2022
That Vim can transform replacement values when substituting on November 15, 2021
How to delete all buffers in Vim on October 5, 2021
About the :ALEInfo command on May 25, 2021
About Vim’s semi-colon search offset on May 14, 2021
That Vim’s uppercase marks are global and persistent on May 6, 2021
That vim-polyglot conflicts with Hub when creating pull requests on March 30, 2021
How to use custom functions with :cdo on February 15, 2021
How to pipe an argument list into Vim on January 15, 2021
How to copy the current filepath to the system clipboard in Vim on January 12, 2021
How to add project-specific Vim settings on December 18, 2020
Universal Ctags can index more things than I realised on December 10, 2020
Vim-markdown has some useful commands on December 4, 2020
About how to use keywordprg effectively on November 27, 2020
How to configure ctags to parse Terraform files on November 26, 2020
How to use Bandit with Vim’s quickfix list on November 19, 2020
You can run :grep without using parent shell process on November 4, 2020
There’s a QuickFixCmdPost event in Vim on November 4, 2020
You can jump to previous quickfix lists in Vim on October 31, 2020
About shellcheck on October 12, 2020
How to read from one buffer to another in Vim on September 23, 2020
About Vim’s :helpgrep command on September 16, 2020
Vim recommends using Emacs-style key bindings in command mode on September 16, 2020
Vim doesn’t create the persistent undo folder automatically on September 4, 2020
About better YAML file folding in Vim on August 28, 2020
About :help macvim on August 17, 2020
About Vim’s :diffthis command on August 17, 2020

Virgin Media

Virgin Media’s “Web Safe” product uses DNS on January 29, 2021

Websites

You can create QR codes for WiFi networks on October 27, 2020

YAML

JSON is valid YAML on March 26, 2021
About YAML’s node anchors and aliases on December 11, 2020
YAML has several string-parsing gotchas on September 21, 2020

Zsh

which behaves diffferently in Zsh compared to Bash on September 29, 2022

Browse all posts by month.