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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Fiddler for OS X Beta

Posted by jpluimers on 2016/11/03

–jeroen

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

A great way to interactively browse xml/xhtml/html on the console: xmllint –shell

Posted by jpluimers on 2016/10/12

A while ago, I heard about xmllint, a program that can parse and query xml from the command-line.

Later, I discovered it can also parse html, can recover from xml/html errors and has an interactive shell that has a lot of commands (see table below) to navigate through the loaded command.

The relevant command-line options:

--recover
--html
--shell

Note that --recover will output failing input to stderr. You can ignore that using 2> /dev/null

Some good examples of usage are here:

The table of shell commands:

Shell

xmllint offers an interactive shell mode invoked with the –shell command. Available commands in shell mode include:
Command Parameter Description
base display XML base of the node
bye leave shell
cat node Display node if given or current node.
cd path Change the current node to path (if given and unique) or root if no argument given.
dir path Dumps information about the node (namespace, attributes, content).
du path Show the structure of the subtree under path or the current node.
exit Leave the shell.
help Show this help.
free Display memory usage.
load name Load a new document with the given name.
ls path List contents of path (if given) or the current directory.
pwd Display the path to the current node.
quit Leave the shell.
save name Saves the current document to name if given or to the original name.
validate Check the document for error.
write name Write the current node to the given filename.

–jeroen

via xmllint.

Posted in Development, HTML, HTML5, Software Development, Web Development, XML, XML/XSD, XPath | Leave a Comment »

Convert HTML to Markup using CSS – Render HTML as unrendered Markdown – see http://jsbin.com/huwosomawo

Posted by jpluimers on 2016/03/02

Convert HTML to Markup using CSS:

–jeroen

Posted in CSS, Development, HTML, HTML5, Software Development, Web Development | Leave a Comment »

NTLM and Kerberos Authentication for a WebRequest and a WebProxy

Posted by jpluimers on 2016/02/16

This was very useful to get a WebClient with a WebProxy configured to use a proxy server that is based on NTLM authentication.

The note in the MSDN NTLM and Kerberos Authentication. documentation however was totally wrong.

String MyURI = "http://www.contoso.com/";
WebRequest WReq = WebRequest.Create MyURI;
WReq.Credentials = CredentialCache.DefaultCredentials;

Note NTLM authentication does not work through a proxy server.

This code works perfectly fine as the CredentialsCache.DefaultCredentials contains your NTLM or Kerberos credentials.
It even works when you have a local Fiddler http proxy as a facade in front of your NTLM proxy.

Read the rest of this entry »

Posted in .NET, .NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0, .NET 4.5, C#, C# 2.0, C# 3.0, C# 4.0, C# 5.0, C# 6 (Roslyn), Development, Fiddler, Software Development, Web Development | Leave a Comment »

Why Your Code Is So Hard to Understand – via CodeProject

Posted by jpluimers on 2015/09/29

Below are the captions, read the full article as it is very well written.

Why your code is hard to understand

  • Problem #1, Overly Complex Mental Models
  • Problem #2, Poor Translation of Semantic Models into Code
    • Class Structure and Names
    • Variable, Parameter and Method Names
    • Single Responsibility Principle (SRP)
    • Appropriate Comments
    • Problem #3, Not Enough Chunking
  • Problem #4, Obscured Usage
  • Problem #5, No Clear Path Between the Different Models
  • Problem #6, Inventing Algorithms

–jeroen

via: Why Your Code Is So Hard to Understand – CodeProject.

Posted in .NET, Delphi, Development, Software Development, Web Development | 5 Comments »

HTML Cleaner – (not only) Word to clean HTML

Posted by jpluimers on 2015/08/10

A great on-line way to cleanup html (from for instance style information) before publishing it on your blog: HTML Cleaner – Word to clean HTML.

One of the things is does is Remove inline styles.

Ideal for copy-pasting a quote from a web-site to your HTML editor.

–jeroen

via: www.html-cleaner.com

Posted in Development, HTML, HTML5, Power User, SocialMedia, Software Development, Web Development, WordPress | Leave a Comment »

Watch changes on html pages that do not have RSS

Posted by jpluimers on 2015/06/15

A few tools that help you watch changes in html pages, even these pages do not have RSS: they make a feed out of a page.

–jeroen

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

Pastebin, but for HTML? – Stack Overflow

Posted by jpluimers on 2015/05/26

Nice question (thanks aplm!), as for instance Gist does not render html:

Pastebin is a useful online tool to paste snippets of text. Pastie is a similar tool. Also, Ideone is similar except that it also runs the source code, as well as being a general pastebin.

Is there a similar tool, for HTML?

And ditto links in the answer (thanks meder!):

Unbelievable that such questions get closed as “not constructive”.

Note I could not get http://www.pastekit.com to work.

–jeroen

via: javascript – Pastebin, but for HTML? – Stack Overflow.

Posted in Development, HTML, HTML5, JavaScript/ECMAScript, JSFiddle, Scripting, Software Development, Web Development | Leave a Comment »

The Clickjacking attack, X-Frame-Options

Posted by jpluimers on 2015/04/29

Front-end web development isn’t my core area of expertise, but every now and then I am slightly more than the usual spectator and do get involved.

This case it was about helping to prevent The Clickjacking attack by using the The X-Frame-Options response header from RFC 7034.

Lots of people seem to have questions about it: Highest Voted ‘x-frame-options’ Questions – Stack Overflow.

So, from The X-Frame-Options response header:

There are three possible values for X-Frame-Options:

DENY
The page cannot be displayed in a frame, regardless of the site attempting to do so.
SAMEORIGIN
The page can only be displayed in a frame on the same origin as the page itself.
ALLOW-FROM uri
The page can only be displayed in a frame on the specified origin.

–jeroen

via:

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

Batch file that finds and starts Cntlm.exe in verbose mode.

Posted by jpluimers on 2015/04/13

As a follow up on the Cntlm configuration post last week, here is a small batch file that will find Cntlm.exe (on x86 and x64 systems) then start it in verbose mode.


call :start %ProgramFiles%
call :start %ProgramFiles(x86)%
goto :end
:start
startlocal
set cntlm="%*\Cntlm\Cntlm.exe"
echo %cntlm%
if exist %cntlm% start "Cntlm verbose" %cntlm% -v
endlocal
goto :end
:end

view raw

start-Cntlm-verbose.bat

hosted with ❤ by GitHub

–jeroen

Posted in Cntlm, Development, Fiddler, NTLM, Power User, Web Development, Windows, Windows 7, Windows 8, Windows 8.1, Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Vista, Windows XP, Windows-Http-Proxy | Leave a Comment »

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