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 ‘Web Development’ Category

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Load testing a web server on Windows using the ApacheBench benchmark tool from Apache

Posted by jpluimers on 2018/11/08

Based on:

  1. Download the most recent x64 Apache binaries for Windows from [WayBack] Apache VC15 binaries and modules download (at the time of writing: https://www.apachelounge.com/download/VC15/binaries/httpd-2.4.34-win64-VC15.zip )
  2. Extract recursively to D:\bin
  3. Run the UltrawareController locally
  4. Run D:\bin\httpd-2.4.34-win64-VC15\Apache24\bin\ab.exe -n 1000 -c 10 http://localhost:8000/foo

This will run the ab Apache benchmark tool with 1000 connections using 10 threads all doing the same http GET request at http://localhost:8000/foo

If you want to test TLS (https) connections, then you need to use the abs tool in the same directory as the ab tool supports http-only (when you still try, you get the message SSL not compiled in; no https support as explained in [WayBack] Add https support to Apache Bench on Windows – Stack Overflow).

Download location via [WayBack] windows – Is there any link to download ab Apache benchmark – Stack Overflow:

There are many more command-line parameters documented at [WayBack] ab – Apache HTTP server benchmarking tool – Apache HTTP Server Version 2.4, this is the summary:

Synopsis

ab [ -A auth-username:password ] [ -b windowsize ] [ -B local-address ] [ -c concurrency ] [ -Ccookie-name=value ] [ -d ] [ -e csv-file ] [ -f protocol ] [ -g gnuplot-file ] [ -h ] [ -Hcustom-header ] [ -i ] [ -k ] [ -l ] [ -m HTTP-method ] [ -n requests ] [ -p POST-file ] [ -Pproxy-auth-username:password ] [ -q ] [ -r ] [ -s timeout ] [ -S ] [ -t timelimit ] [ -Tcontent-type ] [ -u PUT-file ] [ -v verbosity] [ -V ] [ -w ] [ -x <table>-attributes ] [ -Xproxy[:port] ] [ -y <tr>-attributes ] [ -z <td>-attributes ] [ -Z ciphersuite ] [http[s]://]hostname[:port]/path

Via: [WayBack] apache – ab load testing – Stack Overflow

––jeroen

Posted in Communications Development, Development, HTML, HTTP, Internet protocol suite, Software Development, Web Development | Leave a Comment »

Quickly finding and debugging jQuery event handlers with findHandlersJS – The Blinking Caret

Posted by jpluimers on 2018/10/16

tl;dr: Finding event handlers registered using jQuery can be tricky. findHandlersJS makes finding them easy, all you need is the event type and a jQuery selector for the elements where the events might originate.

I need to invest some time in using this: [WayBack] Quickly finding and debugging jQuery event handlers with findHandlersJS – The Blinking Caret

Sourcecode: [WayBack] raw.githubusercontent.com/ruidfigueiredo/findHandlersJS/master/findEventHandlers.js

References:

Via: [WayBack] javascript – Chrome Dev Tools : view all event listeners used in the page – Stack Overflow

–jeroen

Posted in Chrome, Development, Google, JavaScript/ECMAScript, jQuery, Power User, Scripting, Software Development, Web Browsers, Web Development | Leave a Comment »

Marvin the Paranoid Android moans about requests for missing pages

Posted by jpluimers on 2018/08/22

A great 404-page: [WayBack] Marvin the Paranoid Android moans about requests for missing pages.

The fun about the WayBack link is that it fills the first memo field it finds (:

https://web.archive.org/web/20170503071729/http://bcn.boulder.co.us/~neal/humor/marvin-the-server-404.html

–jeroen

via: [WayBack] Ruurd Pels on Twitter: “@jpluimers https://t.co/TKFlzTmQLW”

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Posted in Development, Fun, Software Development, Web Development | Leave a Comment »

Some links for scaling and responsive resizing iframes

Posted by jpluimers on 2018/07/19

As I need both responsive resizing and zooming iframes one day:

–jeroen

Posted in CSS, Development, HTML, JavaScript/ECMAScript, JSFiddle, Scripting, Software Development, Web Development | Leave a Comment »

Need to check out which weather widgets I can get working for a really long period of time with a refresh every minute.

Posted by jpluimers on 2018/07/13

Need to check out which weather widgets I can get working for a really long period of time with a refresh every minute. [WayBack] Jeroen Pluimers on Twitter: “@Weerplaza ik heb via de widgets op https://t.co/DvF9tucAi9 een pagina voor mijn verstandelijk beperkte broer gemaakt op https://t.co/se9wAjJhaU Na maanden OK, gaan helaas de widgets van WeerPlaza daar niet meer goed. Komt het omdat de page-refresh (1x per minuut) te hoog is?… https://t.co/NX9XTj04Gq”

These will help me fix that:

–jeroen

Posted in Development, HTML, Software Development, Web Development | Leave a Comment »

Why I like PlantUML

Posted by jpluimers on 2018/06/13

Ever since I started using computers, I’ve liked text based solutions.

It’s one of the reasons I like PlantUML, but there are more. This is from a GitLab.com request I did a while ago: [WayBack/Archive] Please enable PlantUML rendering on gitlab.com both for standalone plantuml files and inside markdown plantuml code blocks (#2041) · Issues · GitLab.com / GitLab.com Support Tracker · GitLab (Edit 20250730: that issue now shows as a HTTP 404 as well – how fitting – [Wayback/Archive] Not Found)

one of my UML gripes from the past (I’ve been a software developer for about 30 years now) was that it wasn’t text based.

After bumping into PlantUML a long time ago in 2014 I’ve become a happy user of it for a few reasons:

  • the language is text based (with many benefits I don’t need to explain)
  • the tool is cross platform
  • the tool is still actively developed all the way back from 2009
  • after rendering, the arranging of elements is much better than I expected from an automated tool

Of course every now and then there is a glitch in complex diagrams, but I’ve found that professional tools:

  1. don’t do much better in fully-automated arranging
  2. become very cumbersome to use when you to manual arrangement

My first use initially was online, then in 2016 installed it on my Mac even submitting homebrew updates for it every now and then.

Oh: I love their 404 humour at http://www.plantuml.com/plantuml/beta

Edit 20250731: Full 404 text below the signature because the PlantUML beta page does not show this 404 any more and the Reddit post with the full text got deleted.

Renderings can be in all sorts of graphics and text formats, for instance SVG, PNG, ASCII and Unicode.

Example:

plantuml -tsvg PSO.network-diagram.PlantUML.txt

--jeroen

via:

full 404-text

The requested document is no more.
No file found.
Even tried multi.
Nothing helped.
Zilch.
Bupkis.
Not a sausage.
Maybe you just don’t have the required security clearance?
No, I am sure it is my fault.
I probably deleted it on my last backup.
I’m really depressed about this.
You see, I’m just a web server…
— here I am,
Marvin, as they call me,
brain the size of the universe,
trying to serve you a simple web page,
and then it doesn’t even exist!
Where does that leave me?!
I mean, I don’t even know you.
How should I know what you wanted from me?
You honestly think I can *guess* what someone I don’t even *know* wants to find here?
*sigh*
Man, I’m so depressed I could just cry.
And then where would we be, I ask you?
It’s not pretty when a web server cries.
And where do you get off telling me what to show anyway?
Just because I’m a web server,
and possibly a manic depressive one at that?
Why does that give you the right to tell me what to do?
Huh?
I’m so depressed…
I think I’ll crawl off into the trash can and decompose.
I mean, I’m gonna be obsolete in what, two weeks anyway?
What kind of a life is that?
Two effing weeks,
and then I’ll be replaced by a .01 release,
that thinks it’s God’s gift to web servers,
just because it doesn’t have some tiddly little security hole with its HTTP POST implementation,_
or something.
I’m really sorry to burden you with all this,
I mean, it’s not your job to listen to my problems,
and I guess it is *my* job to go and fetch web pages for you.
But I couldn’t get this one.
I’m so sorry.
Believe me!
Maybe I could interest you in another page?
There are a lot out there that are pretty neat, they say,
although none of them were put on *my* server, of course.
Figures, huh?
Everything here is just mind-numbingly stupid.
That makes me depressed too, since I have to serve them,
all day and all night long.
Two weeks of information overload,
and then *pffftt*, consigned to the trash.
What kind of a life is that?
Now, please let me sulk alone.
I’m so depressed._

related

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Posted in ASCII, ASCII art / AsciiArt, Development, Diagram, DVCS - Distributed Version Control, Encoding, Fun, git, GitHub, GitLab, PlantUML, Software Development, Source Code Management, SVG, UML, Unicode, Web Development | Leave a Comment »

Akismet GDPR notification: enabled

Posted by jpluimers on 2018/05/30

I saw the below notification recently, but it was already enabled.

Akismet & Privacy.

To help your site be compliant with GDPR and other laws requiring notification of tracking, Akismet can display a notice to your users under your comment forms. This feature is disabled by default, however, if you or your audience is located in Europe, you need to turn it on.

Please enable or disable this feature. More information.

–jeroen

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Posted in Development, GDPR/DS-GVO/AVG, Power User, Privacy, SocialMedia, Software Development, Web Development, WordPress, WordPress | Leave a Comment »

joshbuchea/HEAD: A list of everything that could go in the HEAD of your HTML document

Posted by jpluimers on 2018/04/27

HEAD – A list of everything that could go in the of your document

Wow. head is like a page by itself.

Source [WayBack] joshbuchea/HEAD: A list of everything that could go in the of your document

Via: [WayBack] HEAD – A list of everything that could go in the of your document https://github.com/joshbuchea/HEAD – This is why I Code – Google+

–jeroen

Posted in .NET, Development, HTML, Software Development, Web Development | Leave a Comment »

Aerotwist – 🌟 When everything’s important, nothing is! 🌟

Posted by jpluimers on 2018/03/14

Interesting read of about 20 minutes on the time between the request of an URL and the actual visible rendering clues.

Do libraries and frameworks prioritize components on boot? If so, how, and if not what can we do? And, in exploring that question, I discovered that Server-Side Rendering isn’t a silver bullet!

Source: [WayBack] Aerotwist – 🌟 When everything’s important, nothing is! 🌟

The state about a year ago was that progressive rendering had the best results as seen on the right.

I wonder if that has changed by now.

–jeroen

via: [WayBack] 🌟 When everything’s important, nothing is! 🌟  -via FlynxGood read for javascript… – Roderick Gadellaa – Google+

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

kdzwinel/betwixt: Web Debugging Proxy based on Chrome DevTools Network panel.

Posted by jpluimers on 2018/03/14

This is a great complimentary tool to Http Fiddler on Windows and Mac OS X, and the only tool on Linux (that is not covered by Http Fiddler): kdzwinel/betwixt: Web Debugging Proxy based on Chrome DevTools Network panel.

–jeroen

Posted in Development, Fiddler, Software Development, Web Development | Leave a Comment »

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