The Wiert Corner – irregular stream of stuff

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

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Archive for 2019

Link archive: to investigate – Classic compiler (Win32) strings double-free crash because of error in refere…

Posted by jpluimers on 2019/03/12

For my link archige: [WayBack] Classic compiler (Win32) strings double-free crash because of error in reference-counting. Tested with XE2 and 10.1 Berlin Test applications: https://g… – Arioch The – Google+

–jeroen

Posted in Delphi, Development, Software Development | 3 Comments »

7zip on ESXi through p7zip – redux

Posted by jpluimers on 2019/03/12

Steps to get it working on ESXi 6.x with p7zip 16.02:

  1. Copy the output of https://sourceforge.net/projects/p7zip/files/p7zip/16.02/p7zip_16.02_x86_linux_bin.tar.bz2/download to a place where you can reach it through http (as wget on ESXi does not understand https)
  2. Follow the script below

mkdir -p /local/bin
cd /local bin
wget http://192.168.71.62/esxi/netcologne.dl.sourceforge.net/project/p7zip/p7zip/16.02/p7zip_16.02_x86_linux_bin.tar.bz2
bzip2 -d p7zip_16.02_x86_linux_bin.tar.bz2
mv p7zip_16.02/bin/7z* .
chmod 755 7z 7za 7zra

Based on much longer steps involving Windows and an older version of p7zip: 7zip on ESXi through p7zip.

–jeroen

Posted in 7zip, Compression, ESXi4, ESXi6, ESXi6.5, Power User, Virtualization, VMware, VMware ESXi | Leave a Comment »

IDE Fix Pack 6.4 for Delphi 2009,XE-10.2 Tokyo and 6.4.1 for Delphi 2010 and 10.3 Rio

Posted by jpluimers on 2019/03/12

On my list of things to install soon IDE Fix Pack 6.4 and 6.4.1:

Technically, there is 6.4 that works in Delphi 10.3 Rio Update 1, but it is better to install 6.4.1 as it works with 10.3 and 10.3.1:

The dependencies file looks interesting for good uses list optimisation, given that you compile with all conditional define permutations:

There is a ton of changes, of which I like the bold ones most:

6.4

  • Fixed: Packages with duplicate units may not have caused a fatal compiler error.
  • Added: Support for Delphi 10.3 Rio
  • Added: StyleUtils.inc performance optimizations for faster UI rendering (D10.3)
  • Added: Infinite loop detection in TDebugger.UpdateEventLog
  • Added: Fix for TStringList.IndexOfName bug (RSP-21633)
  • Added: Fix for access violation in the Welcomepage JScript9.dll binding
  • Added: TCustomListBox.ResetContent is skipped if the handle isn’t created yet
  • Added: More STRINGCHECKS-free RTL code (2009/2010)
  • Added: More DFM Streaming optimizations
  • Added: RTL and DFM streaming patches to remove STRINGCHECKS (2009/2010)
  • Added: Removed VclFixPack OutputDebugString calls (2009)
  • Added: FillChar uses Enhanced REP MOVSB/STOSB cpu feature if available for large sizes.
  • Added: Enabled CPU LOCK string assignment optimization for local variables
  • Added: -x-Oe (experimental optimizations) and -x-cgo compiler option extension
  • Added: CodeGen: Remove of some unnecessary push/pop operations
  • Added: Expression Evaluator allows array access to pointers even if the type wasn’t declared with {$POINTERMATH ON}
  • Added: Max number of constants in a function was increased from 64K to 16M (2009-XE3)
  • Added: New compiler option extensions: -x–compileonly, -x–reslist, -x–depfile, -x–unitstats
  • Added: More performance optimization for the DCC64 compiler
  • Added: TStringBuilder.SetLength optimization [RSP-19178] (XE+)
  • Added: TStrings.GetDelimitedText optimization
  • Improved: Slight faster TStringList.IndexOfName optimization for sorted string lists.

6.4.1

  • Fixed: StyleUtils.inc patch contained a hard coded address causing the patch to fail if the DLL’s base address was relocated. (10.3 only)
  • Fixed: TCustomListBox.ResetContent patch crashed with an access violation. (2010 only)

–jeroen

Read the rest of this entry »

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

How do I export the history from the Windows command line to a text file? – Super User

Posted by jpluimers on 2019/03/11

I totally did not know that DOSKEY was part of CMD.EXE, but it is: [WayBack] How do I export the history from the Windows command line to a text file? – Super User

Even better: it can export the command history:

doskey /HISTORY > history.txt

Related:

–jeroen

Posted in Console (command prompt window), Power User, Windows | Leave a Comment »

{Updated} Linux server security checklist. #sysadmin 

Posted by jpluimers on 2019/03/11

Most tips are OK, but:

  1. for password related policies, please read these:
  2. If you do DNS, implement DNSSEC
  3. I think ipv6 is OK, but like ipv4 needs to be firewalled
  4. Be really careful with fail2ban and similar tools: they are easy ways to lock yourself out as well, for instance by someone doing a nice (D)DoS on you.

Tips: [WayBack40 Linux Server Hardening Security Tips [2017 edition] – nixCraft

Via:

–jeroen

Posted in *nix, *nix-tools, Encryption, Let's Encrypt (letsencrypt/certbot), Power User, Security | Leave a Comment »

PS/2 port colours – Wikipedia

Posted by jpluimers on 2019/03/11

I always forget which colours the [WayBackPS/2 port for keyboard and mouse have.

Some of my old (some call it classic or vintage) mice and keyboards don’t even have a coloured plug.

Luckily, Wikipedia has the answer File:Ps-2-ports.jpg – Wikipedia :

Color Description
Purple Keyboard
Green Mouse

–jeroen

 

Posted in History, Keyboards and Keyboard Shortcuts, Power User | Leave a Comment »

sorting – Is there a Windows equivalent to the Unix uniq? – Super User

Posted by jpluimers on 2019/03/08

TL;DR:

  • Windows 10 has an undocumented /unique switch for sort
  • git for Windows ships with uniq (in a default x64 install, it is at C:\Program Files\Git\usr\bin\uniq.exe)

From [WayBack] sorting – Is there a Windows equivalent to the Unix uniq? – Super User

This works fine:

dir /s /b *0*.pas *1*.pas *2*.pas *3*.pas *4*.pas *5*.pas *6*.pas *7*.pas*8*.pas *9*.pas | sort /unique > pas-files-with-numeric-names.txt

I need remove duplicate lines from a text file, it is simple in Linux usingcat file.txt |sort | uniqwhen file.txt containsaaabbbaaacccIt will output aaabbbcccIs there a Windows

 

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

sudo command doesn’t source /root/.bashrc – Unix & Linux Stack Exchange

Posted by jpluimers on 2019/03/08

TL;DR:

  • sudo -i is not an interactive logon to root
  • sudo -i bash is interactive and *does* execute /root/.bashrc

Source: [WayBack] sudo command doesn’t source /root/.bashrc – Unix & Linux Stack Exchange

–jeroen

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

Reminder tip: Disable Wi-Fi during sleep to dramatically increase idle battery life on tablets and devices you don’t often use

Posted by jpluimers on 2019/03/08

I agree: [WayBack] It’s so obvious I hadn’t thought about this.. – Roderick Gadellaa – Google+.

[WayBackReminder tip: Disable Wi-Fi during sleep to dramatically increase idle battery life on tablets and devices you don’t often use

–jeroen

Posted in Android Devices, LifeHacker, Power User | Leave a Comment »

detect availability of node-set() function in xslt implementation of icecast server – Stack Overflow

Posted by jpluimers on 2019/03/07

Wow, I totally forgot I had done this xslt trick eons ago: [WayBackdetect availability of node-set() function in xslt implementation of icecast server – Stack Overflow

–jeroen

Posted in Development, Software Development, XML/XSD, XSLT | Leave a Comment »