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

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Archive for March 11th, 2020

Installing SourceTree 3.x for Windows on an air-gapped machine

Posted by jpluimers on 2020/03/11

Since the “account.json” SourceTree search did not help me much, below are the steps for installing SourceTree for Windows 3.x on an air-gapped machine.

Prerequisites:

Steps:

  1. Run Process Explorer on the target system
  2. Run the SourceTreeSetup installer on the target system
  3. When registering, click on the “BitBucket” button on the target system
  4. In Process Explorer, find out the web browser process that the setup kicks off and grab the command-line, which looks like this when running Chrome as default browser:
    "%LocalAppData%\Google\Chrome\Application\chrome.exe" -- "https://bitbucket.org/site/oauth2/authorize?response_type=code&client_id=123456789012345678&state=authenticated&redirect_uri=http://localhost:34106/"
  5. Copy the URL bit https://bitbucket.org/site/oauth2/authorize?response_type=code&client_id=123456789012345678&state=authenticated&redirect_uri=http://localhost:34106/ over and paste it on a machine that has internet access
  6. Logon, and follow the steps until the URL look like this: http://localhost:34106/?state=authenticated&code=876543210987654321
  7. Copy that URL over to a web-browser on the target system and execute it
  8. Finish the installation steps on the target system

Now a new file should be in %LocalAppData%\Atlassian\SourceTree\accounts.json suitable for SourceTree 3.x. In the future you might be lucky enough to copy that to a target system before installing.

I was not so lucky, because my accounts.json was SourceTree 2.x based, which the SourceTree 3.x setup modifies, but is still not happy with.

Note these number differ on each request:

  • 123456789012345678 is a base64 encoded request ID
  • 876543210987654321 is a base64 encoded response ID
  • 34106 is a random TCP port where the installer is listening on to get the authentication information

Fiddler

Initially, I had Fiddler steps in the above, but found out I did not need those. One thing that complicated this is that Fiddler had been removed from Chocolatey for a while, so I was not sure it would stay as a product:

SourceTree

Now has an MSI installer:

Has old steps for 2.x versions to get around the above hoopla:

–jeroen

Posted in Development, DVCS - Distributed Version Control, Software Development, Source Code Management, SourceTree | Leave a Comment »

Bad surprise of the day: SysUtils.TEncoding in XE2+ defaults to ANSI, while in XE it defaulted to UTF-8.

Posted by jpluimers on 2020/03/11

Bad surprise of the day: SysUtils.TEncoding in XE2+ defaults to ANSI, while in XE it defaulted to UTF-8 .Among other things this means that TStringList… – Eric Grange – Google+

Source: Bad surprise of the day: SysUtils.TEncoding in XE2+ defaults to ANSI, while i…

Delphi

Eric Grange's profile photo

+Stefan Glienke Indeed, you’re right. The issue must be deeper somewhere. Don’t have time to investigate too much, I’m bypassing the RTL now (also have to work around the limitation that for utf-8 the TEncoding.GetString method returns an empty string if one character in the buffer isn’t utf-8)

Asbjørn Heid's profile photo

I wouldn’t trust the RTL at all with loading non-ascii text, we’ve had it hang on invalid UTF-8 codes more than once.

–jeroen

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

Practical Deep Learning for Coders 2018 · fast.ai

Posted by jpluimers on 2020/03/11

I’ve read this twice and need to re-read this a few times, so from my reading list then need to follow the course one day: Practical Deep Learning for Coders 2018 · fast.ai [WayBack].

… deep learning course based on Pytorch (and a new library we have built, called fastai), with the goal of allowing more students to be able to achieve world-class results with deep learning. … this course, Practical Deep Learning for Coders 2018 [WayBack], … The only prerequisites are a year of coding experience, and high school math (math required for understanding the material is introduced as required during the course).

Related: [WayBackThe Matrix Calculus You Need For Deep Learning – Terence Parr and Jeremy Howard

Via:

–jeroen

Posted in Development, Python, Scripting, Software Development | Leave a Comment »

 
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