Publishing QT application in Apple App Store

I succeeded with building my app for iOS and my first step in publishing the app in App Store was opening generated .xcodeproj file in XCode, but XCode froze displaying rotating progress indicator and wait cursor.

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Mining Raven Coin (RVN) with KawPow on Windows 10

I run T-Rex miner as follows:

t-rex -a kawpow -o stratum+tcp://rvn.2miners.com:6060 -u <mywallet>.rigW -p x

and set the following parameters on my 1060 GTX 3GB card with MSI Afterburner:

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GeForce GTX 1060 cooler replacement

Gigabyte GTX 1060 cooler model is PLD09210S12HH DC 12V 0.40A and the size is 88mm:

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Compiling QT5.15.0 with OpenSSL support with MSVC2017 on Windows

First, I compiled and installed OpenSSL 1.1.1g in the same way as before:

set PERL_ROOT=E:\PFiles\Strawberry\perl\bin
set PATH=%PERL_ROOT%;%PATH%
set PATH=%PATH%;C:\PFiles\nasm-2.14.02-win64
perl Configure VC-WIN64A
set CL=/MP
nmake
nmake install
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Auditing of Autonomous Oracle Database

Check if unified auditing is enabled:

SELECT VALUE FROM V$OPTION WHERE PARAMETER = 'Unified Auditing';

Check what options are enabled:

SELECT up.AUDIT_OPTION, uep.SUCCESS, uep.FAILURE from AUDIT_UNIFIED_ENABLED_POLICIES uep, AUDIT_UNIFIED_POLICIES up 
where uep.ENTITY_NAME = 'ALL USERS' and uep.ENABLED_OPTION='BY USER' and uep.POLICY_NAME = up.POLICY_NAME and up.AUDIT_OPTION_TYPE = 'STANDARD ACTION'
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Binding NumPad arrows on MacOS with Karabiner

I created the following key bindings in Karabiner:

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How to publish a WordPress post

Login to WordPress admin panel, select Posts on the left sidebar and create new post:

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Building QT 5.15.0 (everywhere) for Android on Windows

  • Install Android Studio with SDK and NDK API Level 28.
  • Install strawberry-perl-5.26.2.1-64bit.msi first (before mingw-w64-install.exe) to E:\PFiles
  • Install MinGW with mingw-w64-install.exe online installer. Select POSIX threads in the installer UI combobox, otherwise you will get:
  • Extract the sources from QT archive qt-everywhere-src-5.15.0.zip to E:\Qt\Qt5.15.0 and run the following script in QT root directory containing configure.bat:
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Creating Oracle Database in a Cloud

Login to Oracle Cloud console, go to Autonomous Transaction Processing page:

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Running a QT app on MacOS

I was able to compile and debug my app on MacOS with QT Creator:

All C++ code compiled successfully, but something went wrong with OpenGLES shaders. It is probably because I included OpenGLES headers from a wrong place.

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