The Wiert Corner – irregular stream of stuff

Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘Awk’ Category

How to Setup Chroot SFTP in Linux (Allow Only SFTP, not SSH)

Posted by jpluimers on 2018/11/07

I need to script this one day: [WayBackHow to Setup Chroot SFTP in Linux (Allow Only SFTP, not SSH)

–jeroen

Posted in *nix, Awk, bash, Communications Development, Development, Internet protocol suite, Power User, Scripting, Software Development, SSH, TCP | Leave a Comment »

Some Computerphile videos starring Professor Brian Kernighan

Posted by jpluimers on 2018/11/06

Most you probably know [WayBackProfessor Brian Kernighan or the YouTube channel Computerphile (sister channel of Numberphile).

He stars in about half a dozen of their videos giving a nice insight in his contributions to the field and how well he can explain things.

Full videos are below; these are the titles:

BTW: If you like those youtube channels, check out [WayBackBrady Haran – Video Journalist who produces similar channels as well.

–jeroen

Read the rest of this entry »

Posted in *nix, Awk, C, Development, Power User, Scripting, Software Development | Leave a Comment »

Let’s stop copying C / fuzzy notepad

Posted by jpluimers on 2017/12/07

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.

Great re-read towards the end of the year: [WayBackLet’s stop copying C / fuzzy notepad

Via: [WayBack] Old and busted: emacs vs vi. New and hot: Language war, everybody against everybody else. – Kristian Köhntopp – Google+

–jeroen

Posted in .NET, APL, Awk, bash, BASIC, C, C#, C++, COBOL, CoffeeScript, CommandLine, D, Delphi, Development, F#, Fortran, Go (golang), Java, Java Platform, JavaScript/ECMAScript, Pascal, Perl, PHP, PowerShell, PowerShell, Python, Ruby, Scala, Scripting, Software Development, TypeScript, VB.NET, VBScript | 3 Comments »

List goals/targets in GNU make that contain variables in their definition – Stack Overflow

Posted by jpluimers on 2016/08/24

*nix systems tools often are have write-only maintenance tricks:

alias make-list-target='make -qp | awk -F":" "/^[a-zA-Z0-9][^$#\/\t=]*:([^=]|$)/ {split(\$1,A,/ /);for(i in A)print A[i]}"'

Like usual, I have only a vague idea what the regex expressions do.
–jeroen

via List goals/targets in GNU make that contain variables in their definition – Stack Overflow.

Posted in Awk, bash, Development, Scripting, Software Development | Leave a Comment »

RosettaCode: cool way to improve your coding skills

Posted by jpluimers on 2015/01/22

Wow: I feel like having lived under a stone for 8 years, as RosettaCode has been alive since it was founded in 2007 by Mike Mol.

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).

I’m sure there are lots of programming chrestomathy sites, even beyond the ones, and it feels very similar to programming kata sites.

–jeroen

Posted in .NET, APL, Awk, bash, Batch-Files, C, C#, C++, COBOL, CommandLine, Delphi, Development, Fortran, FreePascal, Java, JavaScript/ECMAScript, Lazarus, Object Pascal, Office VBA, Pascal, Perl, PHP, PowerShell, PowerShell, Prism, Scripting, sed script, Sh Shell, Software Development, Turbo Prolog, VB.NET, VBS, VBScript, Visual Studio and tools, Web Development | Leave a Comment »

 
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