“When working with Linux, Unix, and Mac OS X, I always forget which bash config file to edit when I want to set my PATH and other environmental variables for my shell. Should you edit .bash_profile or .bashrc in your home directory?”
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“There are a lot of ways to remove duplicate lines, but I want to leave only the unique lines, and delete all duplicated lines. There are thousands of lines I need to remove, and the unique lines are just 10-20 mixed with all those duplicate lines.”
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“In my last column, I wrote about dark patterns, but this time I want to discuss something that is literally rather than metaphorically dark: inverted polarity–display methods, or dark mode. But, for many UX designers, dark mode is a new thing because operating systems are now supporting it.”
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“I originally wrote the following for my Chainline Newsletter, but I continue to get tweets about this idea, so I’m re-publishing the article here on my blog. This version has been lightly edited. I’ve been thinking about the consequences of the “wrong abstraction.”
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“One of the most important (and confusing) git features in my new job was rebasing. Looking back now, the worst part was not finding a clear beginner’s guide. So for the past me, and any future devs like the past me, this intro is for you!”
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“curl is exceedingly powerful – unfortunately, much of this power is somewhat hidden in the purposeful non-verbosity and the underlying complexity of its numerous flags, configurations, and options. Once understood, curl boasts a wide range of powerful options.”
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“For the longest time I did not know what everything meant in htop.
I thought that load average 1.0 on my two core machine means that the CPU usage is at 50%. That’s not quite right. And also, why does it say 1.0?
I decided to look everything up and document it here.”
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“The best design tools for everything. Curated by Lisa Dziuba & Valia Havruliyk from Flawless team. Accessibility is the practice of creating websites and apps usable for all people, including individuals with visual, motor, auditory, speech, or cognitive disabilities.”
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Seems simple enough, but it took a couple sessions for me to figure out the magical combination. The context is that at work we have multiple sandboxes. There are personal ones and then a development and staging sandbox everyone pushes to. I wanted to run this simple Alfred workflow I use which pulls from my … Continued
“This event does not require a specific OAuth scope or subscription. You’ll automatically receive it whenever configuring an request URL. The attributes Slack sends include: Careful, response URLs are case sensitive.”
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“Recently I tried to create a Slack bot. It’s job was to read messages and, if ‘that would be great’ was detected in the content, respond to the message with a picture of Bill Lumbergh from Office Space (yeah, I’m a funny guy).”
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“Yes, varchar(5000) can be worse than varchar(255) if all values will fit into the latter. The reason is that SQL Server will estimate data size and, in turn, memory grants based on the declared (not actual) size of the columns in a table.”
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“Using the Google Maps API v3 Links to examples of various useful things and documentation Using the Google Maps API V2 Links to examples of various useful things and documentation”
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“Most serious software development projects use coding guidelines. These guidelines are meant to state what the ground rules are for the software to be written: how it should be structured and which language features should and should not be used. Curiously, there is little consensus on what a good coding standard is. Among the many that have been written there are remarkable few patterns to discern, except that each new document tends to be longer than the one before it.”
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First issued in 2004 by the Open Web Application Security Project, the now-famous OWASP Top 10 Vulnerabilities list (included at the bottom of the article) is probably the closest that the development community has ever come to a set of commandments on how to keep their products secure.
“Solution: in terminal, run ‘sudo xcodebuild -license’ and then agree to the terms. Please sign in to leave a comment.”
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“In its default configuration, V8 compiles regular expressions to native code upon the first execution. As part of our work on JIT-less V8, we introduced an interpreter for regular expressions.”
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“At Mozilla I often end up building my changes in a patch stack, and used git rebase -i1 to make changes to commits in response to review comments etc. Unfortunately, with a repository as large as mozilla-central2, git rebase -i has some downsides:”
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“As a developer, you’ll hear a lot of crazy, unbelievable theories about what “lines of code” signify. Believe none of them. Lines of code is a ridiculous metric to base decisions on. In very rare cases it tells you something, in all the other cases, it tells you nothing.”
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