donderdag 27 april 2023
zondag 23 april 2023
Small .exe for Hello World example in C
#include <windows.h> #include <string.h> int mainCRTStartup(void) { char str[] = "Hello World!"; DWORD dummy; WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), (const void*)str, strlen(str), &dummy, NULL); ExitProcess(0); } In Visual Studio 2022: > Go to Release Mode. > Go to the properties of the project > Go to C/C++ / Code Generation / Security Check : Disable Security Check (GS-) > Go to C/C++ / Ouput Files / Assembler Output : Assembly; Machine Code and Source > Go to Linker / Input / Ignore All Default Libraries : Yes (/NODEFAULTLIB) The resulting .exe will be 3584 bytes.
maandag 17 april 2023
Lightweight Java installation on Windows
Go to https://www.oracle.com/nl/java/technologies/downloads/ to download the JDK 2.0 x64 Compressed Archive
Unzip it in c:\prg\java\jdk20
Go to "This PC" and click "Advanced System Settings". Go to "Environment Variables..."
In System variables, create a variable JAVA_HOME with content C:\prg\java\jdk-20
In System variables, create a variable CLASSPATH with content C:\prg\java\antlr\antlr-4.12.0-complete.jar;%CLASSPATH%
In System variables edit the Path variable and add C:\prg\java\jdk-20\bin
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