Author: Jon Jagger

Mini-bottles in hotel bathrooms… Am I the only one who can’t read the writing on them? I mean the font size is tiny. You can’t read them. There’s just no way to tell which bottles are which. Shampoo? Conditioner? Body lotion? Moisturiser? Shower gel?…

Mini-bottles in hotel bathrooms… Am I the only one who can’t read the writing on them? I mean the font size is tiny. You can’t read them. There’s just no way to tell which bottles are which. Shampoo? Conditioner? Body lotion? Moisturiser? Shower gel?…

is an excellent book by Carlo Rovelli (isbn 978-0-141-98321-9) As usual I’m going to quote from a few pages. It doesn’t describe where there is a particle but how the particle shows itself to others. It isn’t things that enter into relations…

is an excellent book by Carlo Rovelli (isbn 978-0-141-98321-9) As usual I’m going to quote from a few pages. It doesn’t describe where there is a particle but how the particle shows itself to others. It isn’t things that enter into relations…

is an excellent book by Jacob Bronowski (isbn 0-7088-2035-2) As usual I’m going to quote from a few pages. Evolution is the climbing of a ladder from the simple to the complex by steps, each of which is stable in itself. The turning point to…

is an excellent book by Jacob Bronowski (isbn 0-7088-2035-2) As usual I’m going to quote from a few pages. Evolution is the climbing of a ladder from the simple to the complex by steps, each of which is stable in itself. The turning point to…

is an excellent book by Paul Nurse (isbn 978-1-788451-40-6) As usual I’m going to quote from a few pages. Cells repair these mutations, but they are not completely successful. If they were, all individuals of a species would be identical and evo…

is an excellent book by Paul Nurse (isbn 978-1-788451-40-6) As usual I’m going to quote from a few pages. Cells repair these mutations, but they are not completely successful. If they were, all individuals of a species would be identical and evo…

is an excellent book by Yuval Noah Harari (isbn 978-0-099-59008-8) As usual I’m going to quote from a few pages. Whereas chimpanzees spend five hours a day chewing raw food, a single hour suffices for people eating cooked food. Since long inte…

is an excellent book by Yuval Noah Harari (isbn 978-0-099-59008-8) As usual I’m going to quote from a few pages. Whereas chimpanzees spend five hours a day chewing raw food, a single hour suffices for people eating cooked food. Since long inte…

is an excellent book by Daniel Coyle (isbn 978-1-847-94127-5) As usual I’m going to quote from a few pages. Much of the connection happens around the dinner table, as Popovich is obsessed with food and wine. One misconception about highly succ…

is an excellent book by Daniel Coyle (isbn 978-1-847-94127-5) As usual I’m going to quote from a few pages. Much of the connection happens around the dinner table, as Popovich is obsessed with food and wine. One misconception about highly succ…

is an excellent book by Douglas Adams (isbn 978-0-330-49120-4). As usual I’m going to quote from a few pages. He would insult the universe. That is, he would insult everybody in it. Individually, personally, one by one, and (this was the thing t…

is an excellent book by Douglas Adams (isbn 978-0-330-49120-4). As usual I’m going to quote from a few pages. He would insult the universe. That is, he would insult everybody in it. Individually, personally, one by one, and (this was the thing t…

is an excellent book by Douglas Adams (isbn 978-0-330-49121-1). As usual I’m going to quote from a few pages. There is another theory which states that this has already happened. The story so far: In the beginning the Universe was created. Thi…

is an excellent book by Douglas Adams (isbn 978-0-330-49121-1). As usual I’m going to quote from a few pages. There is another theory which states that this has already happened. The story so far: In the beginning the Universe was created. Thi…

is an excellent book by Douglas Adams (isbn 978-0-330-49119-8). As usual I’m going to quote from a few pages. Far out in the uncharted backwaters of the unfashionable end of the Western Spiral Arm of the Galaxy lies a small unregarded yellow sun…

is an excellent book by Douglas Adams (isbn 978-0-330-49119-8). As usual I’m going to quote from a few pages. Far out in the uncharted backwaters of the unfashionable end of the Western Spiral Arm of the Galaxy lies a small unregarded yellow sun…

is an excellent book by Tristan Gooley (isbn 978-1-473-61522-9). As usual I’m going to quote from a few pages: One of the universal truths of human observation is that we see more of what we expect to see and less of what we don’t expect to see…

is an excellent book by Tristan Gooley (isbn 978-1-473-61522-9). As usual I’m going to quote from a few pages: One of the universal truths of human observation is that we see more of what we expect to see and less of what we don’t expect to see…

is an excellent book by Niels Pflaeging (isbn 978-0-9915376-0-0). As usual I’m going to quote from a few pages: What Taylor pioneered was the idea of consistently dividing an organization between thinking people (managers) and executing people (w…

is an excellent book by Niels Pflaeging (isbn 978-0-9915376-0-0). As usual I’m going to quote from a few pages: What Taylor pioneered was the idea of consistently dividing an organization between thinking people (managers) and executing people (w…

is an excellent book by Miyamoto Musashi, translated by Thomas Cleary (isbn 1-57062-748-7). As usual I’m going to quote from a few pages: Preface: In common parlance, to do something with a real sword means to do it with utmost earnestness… The Bo…

is an excellent book by Miyamoto Musashi, translated by Thomas Cleary (isbn 1-57062-748-7). As usual I’m going to quote from a few pages: Preface: In common parlance, to do something with a real sword means to do it with utmost earnestness… The Bo…

cyber-dojo now supports practising jQuery. Enjoy 🙂

cyber-dojo now supports practising jQuery. Enjoy 🙂

C has a facility for checking dynamic assertions at run-time. It’s inside <assert.h> and its called assert. Now assert is a macro, so why isn’t it called ASSERT? I don’t know. Prior art no doubt. Anyway, assert is a dynamic runtime feature, you can only use it inside functions. /* not inside a function, won’t…

C has a facility for checking dynamic assertions at run-time. It’s inside <assert.h> and its called assert. Now assert is a macro, so why isn’t it called ASSERT? I don’t know. Prior art no doubt. Anyway, assert is a dynamic runtime feature, you can only use it inside functions. /* not inside a function, won’t…

Events are locked? Exist on stack or heap? Can cause garbage collection? Meaning of this? Always has a default constructor? Default construction triggers static construction? Can be null? Use with the as operator? Can be locked? Can have a destructor? Default field layout? Can be a volatile field? Can have synchronized methods? Can be pointed…

Events are locked? Exist on stack or heap? Can cause garbage collection? Meaning of this? Always has a default constructor? Default construction triggers static construction? Can be null? Use with the as operator? Can be locked? Can have a destructor? Default field layout? Can be a volatile field? Can have synchronized methods? Can be pointed…

The ACCU conference is one of the highlights of my year. I ran a brand new session, a C++ Pub Quiz with an emphasis on fun and interaction, based loosely on the popular UK TV game show Countdown. In the TV version, contestants play individually …

The ACCU conference is one of the highlights of my year. I ran a brand new session, a C++ Pub Quiz with an emphasis on fun and interaction, based loosely on the popular UK TV game show Countdown. In the TV version, contestants play individually …

is an excellent book by Jeff Nickoloff. As usual I’m going to quote from a few pages. The docker stop command tells the program with PID #1 in the container to halt. Like most Docker isolation features, you can optionally create containers …

is an excellent book by Jeff Nickoloff. As usual I’m going to quote from a few pages. The docker stop command tells the program with PID #1 in the container to halt. Like most Docker isolation features, you can optionally create containers …

is an excellent book by Herman Hesse. As usual I’m going to quote from a few pages. He learned more from the river than Vasudeva could teach him. He learned from it continually. Above all, he learned from it how to listen, to listen with a st…

is an excellent book by Herman Hesse. As usual I’m going to quote from a few pages. He learned more from the river than Vasudeva could teach him. He learned from it continually. Above all, he learned from it how to listen, to listen with a st…

is an excellent book by Peter Wohlleben (isbn 1771642483). As usual I’m going to quote from a few pages. In forked trees, at a certain point, two main shoots form, they continue to grow alongside each other. Each side of the fork creates it…

is an excellent book by Peter Wohlleben (isbn 1771642483). As usual I’m going to quote from a few pages. In forked trees, at a certain point, two main shoots form, they continue to grow alongside each other. Each side of the fork creates it…

is an excellent book by Gene Kim, Jez Humble, Patrick Debois, and John Willis (isbn 978-1-942788-00-3). As usual I’m going to quote from a few pages. Make infrastructure easier to rebuild than to repair. The average age of a Netflix AWS ins…

is an excellent book by Gene Kim, Jez Humble, Patrick Debois, and John Willis (isbn 978-1-942788-00-3). As usual I’m going to quote from a few pages. Make infrastructure easier to rebuild than to repair. The average age of a Netflix AWS ins…

It was my pleasure to run a small workshop style session at the excellent NDC-London conference. I ran a fun C++ game which parodies the popular UK TV gameshow Countdown. In the TV version contestants take turns picking 9 random vowels/consonants…

It was my pleasure to run a small workshop style session at the excellent NDC-London conference. I ran a fun C++ game which parodies the popular UK TV gameshow Countdown. In the TV version contestants take turns picking 9 random vowels/consonants…

At the excellent Agile on the Beach conference in Cornwall I did a presentation outlining some of the history, design and implementation of cyber-dojo. The video has just gone live on youtube.

At the excellent Agile on the Beach conference in Cornwall I did a presentation outlining some of the history, design and implementation of cyber-dojo. The video has just gone live on youtube.