Author Archives: superadmin

What to mine on GTX 1060 3GB in November 2020

It is still possible to mine the following on GTX 1060 3GB in November 2020:

coindag sizeexchange

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=%PATH%;C:\PFiles\nasm-2.14.02-win64
perl Configure VC-WIN64A
set CL=/MP
nmake install

‘Timestamp for this request is outside of the recvWindow’ error in CCXT

If I use CCXT on my Windows machine I periodically get ‘Timestamp for this request is outside of the recvWindow’ error.

Exchange has the following options by default:


Accessing a service credentials on Windows 10

I worked on some Windows app that registers a Windows service with a C++ code like this:

SC_HANDLE hService = ::CreateService(
    hSCM, m_szServiceName, _T(SERVICE_NAME),
    szFilePath, NULL, NULL, _T("RPCSS\0"), user_name, password);

where user_name and password are strings that are provided by the app user during the app install. Assuming the service name is MyService this creates a registry key HKEY_LOCAL_MACHINE\SECURITY\Policy\Secrets\_SC_MyService that is hidden by default and even administrator does not have a permission to read it and regedit does not show the content of HKEY_LOCAL_MACHINE\SECURITY key by default. But fortunately the access can be allowed by right clicking on HKEY_LOCAL_MACHINE\SECURITY and selecting Permissions or alternatively by running


in PowerShell. To list the content of the key I used the following command:

dir HKLM:\SECURITY\Policy\Secrets\_SC_MyService