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Manfred Berndtgen
Attended University of Bonn
Lives in Düsseldorf
19,630 followers|999,524 views
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Manfred Berndtgen

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Clojure: A Gentle Introduction (Chapter 7, Part 6)

Lisp’s every operator takes a predicate and a list as input. If there is no element inhibiting the predicate, then the answer is true. Some samples in Lisp: CL-USER> (every #'numberp '(1 2 3 4 5)) T CL-USER> (every #'numberp '(1 2 3 4 5 A)) NIL CL-USER>…
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Manfred Berndtgen

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The 'CIDER requires nREPL 0.2.7' Mystery

For my Clojure developments I’m using Emacs 24.4 (running on a Mac) with a cider 0.9.0snapshot, Clojure 1.6.0 and nREPL 0.2.7. Actually. When I’m starting emacs in my home directory and open a repl with M-x cider-jack-in, then I’m getting this warning:…
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Clojure: Living Without The For Loop (1)

When you start learning languages like Lisp or Clojure, you are plunging into the world of functional programming. Functional programming, as Wikipedia explains, is closely linked to declarative programming, and this means the direct opposite of…
When you start learning languages like Lisp or Clojure, you are plunging into the world of functional programming. Functional programming, as Wikipedia explains, is closely linked to declarative pr...
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Much more interesting – and difficult – than just depicting the architectural truth in a photo is depicting the mood and meaning of this architecture. What is happening between these walls? What did this building mean to their builders and what does it…
Much more interesting - and difficult - than just depicting the architectural truth in a photo is depicting the mood and meaning of this architecture. What is happening between these walls? What di...
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I’ve visited this church almost six years ago, so a revisit was overdue. Kunibert, consecrated in 1247, is Cologne’s youngest and largest Romanesque church. I realized a few things on this bright Friday afternoon: your look on things changes over time;…
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Black ribbons on the flags of Cologne's general vicariate on occasion of the obsequies of the victims of flight 4U9525.
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The poplar, iconic tree of the Lower Rhine region. A tree losing its former friends: poplars are deemed weak, useless, allergy-forming like birches. They are lining streets and railway embankments. Without them, the landscape would change drastically.
The poplar, iconic tree of the Lower Rhine region. A tree losing its former friends: poplars are deemed weak, useless, allergy-forming like birches. They are lining streets and railway embankments....
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Manfred Berndtgen

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Clojure: Living Without the For Loop (3)

In this part of our series about transforming imperative Processing code into functional Clojure code we are deconstructing a ‘real’ loop for the first time. The code to be discussed is taken from Matt Pearson’s book ‘Generative Art‘, and we are using…
In this part of our series about transforming imperative Processing code into functional Clojure code we are deconstructing a 'real' loop for the first time. The code to be discussed is taken from ...
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Clojure: Living Without the For Loop (2)

Part 1 one this series introduced Clojure programming beyond simple one-liners and expressions. We were setting up our environment and had a simple demonstration that illustrated the basics. We are using Quil, an implementation of Processing for Clojure,…
Part 1 one this series introduced Clojure programming beyond simple one-liners and expressions. We were setting up our environment and had a simple demonstration that illustrated the basics. We are...
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very clean, lt. gray, white light
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St Kunibert, Cologne
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The kneelers are cushioned, +Gregory Heath. :-)
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Black ribbons on the flags of Cologne’s general vicariate on occasion of the obsequies of the victims of flight 4U9525.
Black ribbons on the flags of Cologne's general vicariate on occasion of the obsequies of the victims of flight 4U9525.
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In his circles
3,742 people
Have him in circles
19,630 people
Heather Milks's profile photo
Ben Ransom's profile photo
Paweł Płocienniczak's profile photo
Newton Wood's profile photo
Christopher Moye's profile photo
PROTUS OKELLO's profile photo
Кино Поиск's profile photo
Ивайла Иванова's profile photo
Kevin Robert's profile photo
Work
Occupation
Iron system administrator, camera potato, church portrayer.
Skills
The usual stuff for supporting my hobbies, but my cakes and pizzas are great, too.
Places
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Düsseldorf
Story
Tagline
My photo models are at least 100 years old.
Introduction
After a few turbulent years in a science job I became a software developer and system administrator. At the moment, I'm working for the IT branch of one of the bigger German insurers. 

I have some highbrow hobbies like my wife and me growing ferns and palms, calligraphy, history, and dabbling with computers and old cameras. I suppressed my desire to take photos for a long time, but I failed: photography has become my favourite waste of time. My favourite photographic subjects are plants and stones, with some emphasis on (mostly sacral) architecture.

Being in sort of a retro mood induced and fired by my wife, I'm discovering the joys of film photography for some time. And I'm still writing software.
Bragging rights
I'm pretty good at making apple pies. I was programming a supercomputer! (Okay, it was just a Mandelbrot set.) Converging lines in photos are afraid of me.
Education
  • University of Bonn
    Information Science
Basic Information
Gender
Male
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Networking
Other names
MadScientist, Manni, Herr Berndtgen, 236177, Last Hope...
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