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

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Archive for the ‘Software Development’ Category

delphi – Building Multi threaded TCP/IP Server – Stack Overflow

Posted by jpluimers on 2016/07/21

On the research list: TIdSchedulerOfThreadPool (now that TIdThreadMgrPool is gone).

Need to manage the lifetime of these as I don’t want the threads to live forever, but also don’t want to make the instantiation cost too high.

Most likely I want to wait for them to finish as well upon process exit, so this might be worth a look as well:

–jeroen

Source: delphi – Building Multi threaded TCP/IP Server – Stack Overflow

Posted in Delphi, Development, Software Development | 4 Comments »

the curse of tooling replacing double quotation marks with left double quotation marks and right double quotation marks – via StackOverflow

Posted by jpluimers on 2016/07/21

Most developers I speak to have trapped into a case of copy/pasting some source code containing quotation marks from documentation or post immediately failing on curly quotes like left double quotation marks () and right double quotation marks () that should have been regular double quotation marks (").

I’ve tried to search for a way to automate the replacement process to “ASCII quotation marks”, but not found an on-line engine yet. The best I could find was this post: java – Replacing unicode punctuation with ASCII approximations – Stack Overflow.

Note it’s not only the auto-correct of office applications. For instance “blog engines” like WordPress do that too, unless you add a code or pre around them:

  • code: "blog engines"
  • pre:
    "blog engines"

Very irritating, but apparently nowadays beauty trumps accuracy.

–jeroen

via: xampp – Apache Prefixing Path to Virtual Hosts Path – Stack Overflow.

Posted in Development, Software Development, Source Code Management | Leave a Comment »

Workaround for “Visual Studio 2015 C++ Compiler Secretly Inserts Telemetry Code Into Binaries” – Slashdot

Posted by jpluimers on 2016/07/20

Reader edxwelch writes:

Reddit user sammiesdog discovered recently that Visual Studio 2015 C++ compiler was inserting calls to a Microsoft telemetry function into binaries. “I compiled a simple program with only main(). When looking at the compiled binary in IDA, I see a call fortelemetry_main_invoke_trigger and telemetry_main_return_trigger. I cannot find documentation for these calls, either on the web or in the options page,” he wrote. Only after the discovery did Steve Carroll, the dev manager for Visual C++ admit to the “feature” and posted a workaround to remove it.

A Microsoft spokesperson confirmed the existence of this behavior to InfoQ, adding that the company wil be removing it in a future preview build. For those who wish to get rid of it, the blog writes:

Users who have a copy of VS2015 Update 2 and wish to turn off the telemetry functionality currently being compiled into their code should add notelemetry.obj to their linker command line.

Quoted in full as I’m baffled.

Source: Visual Studio 2015 C++ Compiler Secretly Inserts Telemetry Code Into Binaries – Slashdot

via: Dear developers, I thought you should know. Yours, privacy. http://m.slashdot.org/story/312289Jan Wildeboer – Google+

–jeroen

Posted in C++, Development, Software Development, Visual Studio C++ | 1 Comment »

Diffie-Hellman Key Exchange – YouTube

Posted by jpluimers on 2016/07/20

Great explanation of Diffie-Hellman Key Exchange – YouTube.

It is based on mixing colors and some colors of the mix being private.

Brilliant!

–jeroen

Posted in Algorithms, Development, Encryption, Hashing, https, OpenSSL, Power User, Public Key Cryptography, Security, Software Development | Leave a Comment »

Delphi packages I have disabled by prefixing their description with an underscore (and why)

Posted by jpluimers on 2016/07/19

There is a little trick to disable “Known IDE Packages”: you can stop Delphi from loading one by either making “Value data” of the registry blank, or prepending it with an underscore:

packages that might have been disabled, by checking any string entries where the data has been pre-pended with an underscore OR is blank

Source: Access violation at address 00000000 read of address 00000000, when starting the IDE or opening a project after installing the updates

I’ve pre-pended underscores to some packages in the registry key [HKEY_CURRENT_USER\Software\Borland|Codegear|Embarcadero\BDS|Delphi\#.0\Known IDE Packages] and intend to keep the list below updated over time:

  • _Start Page IDE Package
  • _Castalia
    • It
      • interferes with the clipboard which means Ctrl-R / Ctrl-P macro recording/playback will often find an empty clipboard when pasting
      • often causes out of memory errors and other bugs
      • takes over keyboard actions interfering with my edit habits
        • (like re-assigning the slash key when you have a character on a line selected making it a block: bye-bye replacing just one character with a slash now; we’ve always had Ctrl-Slash to commend out a line or block)
    • Note you
      • have to *also* disabled it in [HKEY_CURRENT_USER\Software\Embarcadero\BDS|Delphi\#.0\Known IDE Packages\Delphi]:
      • can disable (without changing the regsitry at all) it by appending " /NOCASTALIA" (without quotes but with leading space) to the parameters of the Delphi shortcut (another little Delphi secret).

–jeroen

related:

Posted in Delphi, Delphi XE8, Development, Software Development | 1 Comment »

 
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