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@niw
niw / README.en.md
Last active July 23, 2024 15:51
How to run Windows 10 on ARM or Ubuntu for ARM64 in QEMU on Apple Silicon Mac

How to run Windows 10 on ARM or Ubuntu for ARM64 in QEMU on Apple Silicon Mac

Here is easy steps to try Windows 10 on ARM or Ubuntu for ARM64 on your Apple Silicon Mac. Enjoy!

NOTE: that this is current, 10/1/2021 state.

Running Windows 10 on ARM

  1. Install Xcode from App Store or install Command Line Tools on your Mac
@rise-worlds
rise-worlds / For Mac 4.2.6 unlimited trial.md
Last active July 21, 2024 07:54 — forked from satish-setty/trial.md
Beyond Compare 4 license for Windows, Mac, Linux

for 4.2.4 or higher, 4.2.5,4.2.6,4.3.7, it's works, this is the way which makes Always in evaluation mode.

  1. open Terminal, go to the dir : cd /Applications/Beyond Compare.app/Contents/MacOS
  2. change the name BCompare to BCompare.bak: mv BCompare BCompare.bak
  3. touch a file name BCompare , and chmod a+ux BCompare : touch BCompare && chmod a+ux BCompare
  4. open BCompare with text editor, insert the script :
#!/bin/bash
rm "/Users/$(whoami)/Library/Application Support/Beyond Compare/registry.dat"
"`dirname "$0"`"/BCompare.bak $@
@bgadrian
bgadrian / GolangCPUProfiles.sh
Last active February 28, 2024 04:05
Golang Flame graph profiles
#install FlameGraph library
cd /opt/
sudo git clone https://github.com/brendangregg/FlameGraph.git
#make it accesible from any folder
vim ~/.bashrc
##add these lines anywhere and exit vim (if you can)
export FLAMEPATH=/opt/FlameGraph
PATH=$PATH:$FLAMEPATH
@andrewjong
andrewjong / pytorch_image_folder_with_file_paths.py
Last active February 27, 2024 09:24
PyTorch Image File Paths With Dataset Dataloader
import torch
from torchvision import datasets
class ImageFolderWithPaths(datasets.ImageFolder):
"""Custom dataset that includes image file paths. Extends
torchvision.datasets.ImageFolder
"""
# override the __getitem__ method. this is the method that dataloader calls
def __getitem__(self, index):
@henridf
henridf / protoc-encode.md
Last active May 29, 2024 22:08
Encoding a protobuf with `protoc --encode`

I needed to quickly encode a protobuf from the command-line, and while I pretty much immediately came across protoc --encode as the obvious solution, I did not find much documentation on the input textual syntax.

Here is the relevant snippet from protoc --help:

--encode=MESSAGE_TYPE       Read a text-format message of the given type
                              from standard input and write it in binary
                              to standard output.  The message type must
                              be defined in PROTO_FILES or their imports.
@yellowbyte
yellowbyte / compiling_asm.md
Last active June 4, 2024 20:17
how to assemble assembly with NASM assembler to 32-bit or 64-bit ELF binary with or without libc

32-bit ELF binary

how to assemble and link:

nasm -f elf32 -o <filename>.o <filename>.asm
ld -m elf_i386 -o <filename> <filename>.o

template code (hello world):

section .text
global _start

Quick Tips for Fast Code on the JVM

I was talking to a coworker recently about general techniques that almost always form the core of any effort to write very fast, down-to-the-metal hot path code on the JVM, and they pointed out that there really isn't a particularly good place to go for this information. It occurred to me that, really, I had more or less picked up all of it by word of mouth and experience, and there just aren't any good reference sources on the topic. So… here's my word of mouth.

This is by no means a comprehensive gist. It's also important to understand that the techniques that I outline in here are not 100% absolute either. Performance on the JVM is an incredibly complicated subject, and while there are rules that almost always hold true, the "almost" remains very salient. Also, for many or even most applications, there will be other techniques that I'm not mentioning which will have a greater impact. JMH, Java Flight Recorder, and a good profiler are your very best friend! Mea

@helinwang
helinwang / byte_slice_to_float32_slice.go
Last active February 6, 2023 02:29
Go byte slice to float32 slice
package main
import (
"fmt"
"unsafe"
)
func byteSliceToFloat32Slice(src []byte) []float32 {
if len(src) == 0 {
return nil
@shreyasbharath
shreyasbharath / hexdump.cpp
Last active June 16, 2023 19:30
Hexdump - C++ version of XXD style hexdump (based on this StackOverflow answer https://stackoverflow.com/a/7776146/801008)
#include <iomanip>
#include <iostream>
#include <vector>
#include <termcolor.hpp>
void HexDump(const std::vector<uint8_t>& bytes, std::ostream& stream)
{
char buff[17];
size_t i = 0;