PSBL is an easy-on, easy-off blacklist that does not rely on testing and should reduce false positives because any user can remove their ISP’s mail server from the list.
The idea is that 99% of the hosts that send me spam never send me legitimate email, but that people whose mail server was used by spammers should still be able to send me email.
This results in a simple listing policy: an IP address gets added to the PSBL when it sends email to a spamtrap, that email is not identified as non-spam and the IP address is not a known mail server.
The thread at https://github.com/theZiz/aha/issues/20 suggested a case-insensitive regex through sed but the exact suggestion failed for a few reasons I will explain below.
First the bash alias (requires both aha and perl):
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Ah, C. The best lingua franca we have… because we have no other lingua francas. Linguae franca. Surgeons general? C is fairly old — 44 years, now! — and comes from a time when there were possibly more architectures than programming languages. It works well for what it is, and what it is is a relatively simple layer of indirection atop assembly. Alas, the popularity of C has led to a number of programming languages’ taking significant cues from its design, and parts of its design are… slightly questionable. I’ve gone through some common features that probably should’ve stayed in C and my justification for saying so. The features are listed in rough order from (I hope) least to most controversial. The idea is that C fans will give up when I call it “weakly typed” and not even get to the part where I rag on braces. Wait, crap, I gave it away.
A network graph with more than a thousand programming languages connected by influence relations. Highly influential languages like Lisp, Smalltalk, C, Java, Pascal, C++, Haskel or Python are shown as larger circles as compared to languages with little influence on others like PHP or Argh!. / The influence relation data was retrieved from Freebase in 2013. This design available on posters and other products. An awesome gift for programmers who are into digital art. • Also buy this artwork on wall prints, apparel, kids clothes, and more.
Coping with OpenSSL is frustrating on so many levels. It would be hilarious if not so many depended on it.
The main thing is that there is so much cruft in openssl but nobody seemingly to care enough about copying with that cruft. Though the intentions of the LibreSSL are great and it has far left cruft, it didn’t gain enough ground in the 2+ years it exists.
For me, the biggest problem was that OpenSSL would fail to build on “modern” OS X versions. These lack makedepend which was part of OS X, but got removed somewhere between 2006 and 8.0 in 2012. Luckily, the 2006 post also mentions the alternative: gcc -M.
Actually cc -M or clang -M work just as well as cc symlinks to clang and gcc calls clang with some parameters.
That is not really an automated solution suitable for general use, let alone suitable for Continuous Integration, so I dug a bit deeper: config is a shell script and Configure is a sherl script: a cleverly crafted shell script starting with the below line invoking Perl with the rest of the script. The reason is that #! shebangs need an absolute location which for Perl can vary. A nice discussion on this trick is at Running Under Some Shell which contains a more elaborate how this works:
In practice, either makedepend, or the alternative is available, so when prepping for a build you have to choose which one to use.
Some of those open source projects use Perl as a bootstrapper. I’ll write more about those boots trappers in the future, but first lets go back to the post title:
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It also requires language-restructuredtext (which is convenient anyway as it adds reStructuredText syntax highlighting to Atom)
Pandoc is an almost universal converter between various file formats (input/output including reStructuredText, Markdown, LaTeX, docx, html, docbook, epub, etc. PDF output requires LaTeX)
Tables are always a hard thing in any markup. Luckily truben.no/table/ has a good table editor (it’s the same as table-editor.com) and can emit reStructuredText, Markdown, HTML and other formats.
More in the future
Give me some time, and I will post more about using the format and how it compares to my Markdown past.
Note that pandoc does not fully support reStructuredText (for instance not all table features are supported), but docutils rst2html.py does and also gives better warning/error information when parsing.
Here are some links about the reStructured syntax and how they can be rendered by rst2html.py:
The idea is that you solve a task and learn from that, or learn by seeing how others have solved tasks or draft tasks.
So in a sense it is similar to the Rosetta stone: it has different languages phrasing the same tasks.
There are already a whole bunch of languages on RosettaCode (of which a few are in the categories below), and you can even suggest or add your own languages.
When you want to solve tasks, be sure to look at the list unimplemented tasks by language that leads to automatic reports by language (for instance two of the languages I use most often: C# and Delphi).
The Wiert Corner - irregular stream of stuff 