ongoing by Tim Bray · Memory Matters
If memory-starved tablets become ubiquitous, we’re looking at a future in which there are “normal” computers, and then “special” computers for creative people.
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ongoing by Tim Bray · The Web’s the Place
They can ship their own product and give it away till you go bust, then start charging for it; and use secret APIs you can’t see; and they can break the published APIs you use. All of these things have historically been done by platform vendors.
How Rails and MySQL are handling time zones
When working with times and dates in Rails applications, you need to deal with the following problem:
- In Rails,
Timeobjects have a time zone. You can get the zone name by doingtime_object.zone. - This zone is considered when doing time ca...
Why you can't use timezone codes like "PST" or "BST" for Time objects
Rails' ActiveSupport::TimeWithZone objects have both a timezone code and offset, e.g. Thu, 28 Mar 2019 16:00:00 CET +01:00. Ruby's stdlib TZInfo also has time zones, but with different identifiers.
Unfortunately, not all timezone codes can b...
Why your Cucumber feature loses cookies when run under Selenium
When your Cucumber feature seems to forget cookies / sessions when you run it with Selenium check if the test travels in time like here:
Given the date is 2017-10-20
When I sign in
Then I should see "Welcome!"
What happens here i...
Steve Wozniak, Steve Jobs, and the long road to the iPad. - By Tim Wu - Slate Magazine
Now in 2010, the iPad takes the same ideas to their logical extreme. It is a beautiful and nearly perfect machine. It is also Jobs' final triumph, the final step in Apple's evolution away from Wozniak and toward a closed model.
Prevent SSH from timing out
If you have problems with SSH session timing out, add the following to your /etc/.ssh/config:
Host *
ServerAliveInterval 55
ServerAliveCountMax 2
Why two Ruby Time objects are not equal, although they appear to be
So you are comparing two Time objects in an RSpec example, and they are not equal, although they look equal:
expected: Tue May 01 21:59:59 UTC 2007,
got: Tue May 01 21:59:59 UTC 2007 (using ==)
The reason for this is that Time a...
ping with timestamps
Use this snippet by Achu from Ask Ubuntu:
ping hostname.tld | while read pong; do echo "$(date): $pong"; done
This gives you lines like:
...
How to create giant memory leaks in AngularJS (and other client-side JavaScript)
This guide shows how to create an AngularJS application that consumes more and more memory until, eventually, the browser process crashes on your users.
Although this guide has been written for Angular 1 originally, most of the advice is relevant...
Deterministic ordering of records by created_at timestamp
Creating records in specs can be so fast that two records created instantly after one another might have the same created_at timestamp (especially since those timestamps don't have an indefinitely high resolution). When ordering lists by timestamp...