Links tagged “howto”

medium.com

How to sort Solr results by a custom function, implemented with your own ValueSource and ValueSourceParser classes when field-based sorting is not enough.

automationpanda.com

How to internationalise the Django admin — settings, translation files, and adding a language switcher to the admin interface.

iximiuz.com

Turns a Docker container's filesystem into a bootable disk image by adding a kernel and a bootloader, then boots the result in a virtual machine.

24ways.org

How to give a site a custom offline page with a service worker — cache it up front, then serve it whenever a network request fails.

itnext.io

Short walkthrough setting up Kubernetes cluster monitoring with Prometheus and the Prometheus Operator.

rsmitty.github.io

Walkthrough deploying a Kubernetes cluster on OpenStack, provisioning the infrastructure with Terraform and configuring it with the Kubespray Ansible playbooks.

karlstoney.com

How to mount a FUSE filesystem inside Kubernetes pods, using Google Cloud Storage as the worked example.

camil.org

Step-by-step guide to deploying a highly available Kubernetes cluster on AWS with kube-aws, including the resulting architecture and optional security add-ons such as Dex.

obeythetestinggoat.com

Explains why Selenium cannot tell a navigation from an in-page click, and gives a context manager that waits on stale element references instead.

medium.com

Walkthrough of deploying a Kubernetes cluster on VMware vSphere with Juju, then handing NVIDIA GPUs through to the workloads running on it.

chromium.googlesource.com

A short guide to embedding the hterm terminal emulator in a web application, covering setup, initialisation and feeding data to the terminal.

mywiki.wooledge.org

Greg's Wiki collection of 122 answers to recurring Bash scripting questions, written by the regulars of the

github.com

A cookbook of webpack recipes — bundling, loaders, code splitting and hot reloading — drawn from the author's use of the tool at Instagram.

docs.python.org

Recipes from the Python 2 documentation for common logging setups: logging across modules, over the network, with custom handlers, filters and contextual information.

chase-seibert.github.io

Walkthrough of tracking runaway memory use in long-running Python and Celery workers with objgraph, Heapy and gdb-heap, plus process-recycling workarounds.

talkingquickly.co.uk

How to build a homemade electrocardiogram from an Arduino and an Olimex shield, and plot the heart's electrical activity live in a JavaScript Chrome app.

jacobian.org

How to add fields to a Django form at runtime by building them in the form's __init__, so validation and rendering handle the extra questions normally.

alexmarandon.com

A walkthrough of building an embeddable jQuery widget, covering code and CSS isolation, loading jQuery on demand, and fetching cross-domain data with JSONP.

blog.tplus1.com

This will spit out a list of commits that are in production_branch but not in dev_branch.

romain.dorgueil.net

[new post] Give your #WSGI app super-powers. http://t.co/TMtmcnp wsgi #python