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 ‘Development’ Category

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Using Delphi nextgen compilers … https://xkcd.com/303/ some arguments to have both for the Win32 platform

Posted by jpluimers on 2017/03/08

Last week there was a nice poke by Stefan Glienke around the Delphi nextgen compiler being used for the upcoming Intel x64 Linux support in Delphi (yes, no Arm there, hopefully somewhere in the future) at [Archive.is] Using Delphi nextgen compilers … https://xkcd.com/303/

It resulted into a nice thread of strengths and weaknesses of the classic and nextgen compilers.

I’m emphasising a long term wish for the Win32 platform to have two compilers: a classic one and an LLVM nextgen one.

Reasons include this:

  • Various compiler architectures can emit code for the same end-platformm: Kylix Linux x86 support uses the classic compiler, new Linux x64 support is using the LLVM nextgen compiler
  • Debugging non-Win32 (x86 on Windows) is slow and buggy at best
  • LLVM nextgen compiler takes about 2 orders of magnitude longer than the classic compiler
  • the classic compiler has various optimisation deficits for about 2 decades and won’t be fixed
  • the LLVM nextgen compiler has many more optimisation opportunities than the classic compiler
  • the LLVM nextgen compiler supports zerobased strings and ARC which are almost impossible to debug because of the debugger issues so writing truly cross platform code using Delphi is a drag

So, please please please Delphi team: provide an LLVM nextgen compiler for the Win32 platform.

via: [Archive.is] Using Delphi nextgen compilers … https://xkcd.com/303/

Recommended video: [WayBack] The recent next gen compiler debate reminded me of this nice talk.This is about c++ but it shows off nicely what a high quality compiler can achieve in terms of optimisation… – Christoph Hillefeld – Google+

–jeroen

Read the rest of this entry »

Posted in Delphi, Development, Software Development | 1 Comment »

node.js – a nightmare to get started. Did I try the wrong technology for my problem?

Posted by jpluimers on 2017/03/08

Most of my web-stuff is on Apache. Which works fine, has TLS/SSL enabled, etc.

But I wanted to do server-side JavaScript. Which somehow is a forrest without trees, or a nightmare to get started, especially on OpenSuSE.

First of all, virtually all examples explain how to run node as a script. But none explain where to save it, how to run it as a service (and restart when it crashes: it will crash) or how to run multiple sites under it. And the scripts seems to listen to a TCP port by themselves so they operate as a full server by themselves. Nice for a fully fledged portal, but not for some one-offs.

Some links below hopefully will get me re-started later on, but for now, I’ve given up: the out-of-the-box experience is totally non-intuitive.

Maybe what I really want is something else: I want JavaScript stuff that normally renders a page in the browser through the dom to run server side so I can run XMLHttpRequest to various places without bumping into CORS stuff but still render a page DOM.

If you know a better way to do what I want (serving small mostly single-page scripts written in an easy to debug/trace language) let me know.

So basically work around this:

XMLHttpRequest cannot load http://myApiUrl/login. No
'Access-Control-Allow-Origin' header is present on the requested
resource. Origin 'null' is therefore not allowed access.

Read the rest of this entry »

Posted in *nix, Apache2, Development, JavaScript/ECMAScript, Linux, openSuSE, Power User, Scripting, Software Development, SuSE Linux | 1 Comment »

Some links on deciding if and storing your timestamps as UTC and time zone handling

Posted by jpluimers on 2017/03/08

Some links:

And a great library: nodatime/nodatime: A better date and time API for .NET

--jeroen

Posted in .NET, Development, Jon Skeet, Software Development | Leave a Comment »

On job interviews; both on interviewing and being interviewed

Posted by jpluimers on 2017/03/07

Two interesting blog entries to read for both sides of the interview:

–jeroen

Posted in Development, LifeHacker, Power User, Software Development | Leave a Comment »

raw.githack.com – like rawgit.com but supports bitbucket as well and runs on plain nginx

Posted by jpluimers on 2017/03/07

Found out recently that next to rawgit.com there is also raw.githack.com which contrary to the name also supports bitbucket files:

–jeroen

Posted in BitBucket, Development, DVCS - Distributed Version Control, git, githack.com, GitHub, Mercurial/Hg, rawgit, Source Code Management | Leave a Comment »

bash – how do I list the functions defined in my shell? – Stack Overflow

Posted by jpluimers on 2017/03/07

Nice: “you can get both aliases and functions with compgen -a -A function”

It uses the compgen completion generator. Simply brilliant (:

Source: bash – how do I list the functions defined in my shell? – Stack Overflow

–jeroen

Posted in *nix, *nix-tools, bash, bash, Development, Power User, Scripting, Software Development | Leave a Comment »

gargoyle, a memory scanning evasion technique

Posted by jpluimers on 2017/03/07

The Blog of Josh Lospinoso: [WayBack] gargoyle, a memory scanning evasion technique


[WayBack] gargoyle, a memory scanning evasion technique – Joe C. Hecht – Google+

Source: gargoyle, a memory scanning evasion technique

–jeroen

Posted in Development, Security, Software Development | Leave a Comment »

The IDE Fix Pack 5.95 is compatible with Delphi 10.1 Update 2

Posted by jpluimers on 2017/03/03

Yes it is compatible: [WayBack] Andreas‏ @AndyHTech: Following More Why is there no #IDEFixPack for #Delphi Berlin 10.1 Update 2 ? Just use the one that was released for the RTM version, it works for Up1&Up2.

via: David Heffernan on [WayBack] Is the IDE Fix Pack 5.95 compatible with Delphi 10.1 Update 2? I mean it’s not explicitly mentioned so I’m assuming not, but I’m asking just in case.I… – Asbjørn Heid – Google+

–jeroen

Posted in Delphi, Delphi 10.1 Berlin (BigBen), Development, Software Development | Leave a Comment »

KPN LoRa om Van Raam fietsen te traceren Zakelijk KPN Forum

Posted by jpluimers on 2017/03/02

Interesting: [Archive.is] KPN LoRa om Van Raam fietsen te traceren Zakelijk KPN Forum via [WayBack] Nederlands bedrijf komt met narrowband-internet-of-things-ontwikkelbordje – Computer – Nieuws – Tweakers

–jeroen

Posted in Arduino, Development, Hardware Development, Hardware Interfacing | Leave a Comment »

How to enable JavaScript in your browser and why

Posted by jpluimers on 2017/03/02

Just in case it’s not enabled yet: How to enable JavaScript in your browser and why

It even has some html to redirect to it, which I’ve replaced with the wayback machine (and put into a gist as WordPress kills noscript tag blocks and everything they contain.


<noscript>
For full functionality of this site it is necessary to enable JavaScript.
Here are the <a href="http://web.archive.org/web/20160402005258/http://www.enable-javascript.com/&quot; target="_blank">
instructions how to enable JavaScript in your web browser</a>.
</noscript>

view raw

enable-javascript.com-noscript-fragment.html

hosted with ❤ by GitHub

I needed it as at a client site, one of the embedded devices would show the message “Javascript is required to use this web portal” in various web browsers so I had to check the JavaScript status in each browser.

–jeroen

Posted in Chrome, Chrome, Development, Firefox, Google, Internet Explorer, JavaScript/ECMAScript, Opera, Power User, Safari, Scripting, Software Development, Web Browsers | Leave a Comment »

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