pervognsen

// This can grow a Robin Hood linear probing hash table near word-at-a-time memcpy speeds. If you're confused why I use 'keys'
// to describe the hash values, it's because my favorite perspective on Robin Hood (which I learned from Paul Khuong)
// is that it's just a sorted gap array which is MSB bucketed and insertion sorted per chain:
// https://pvk.ca/Blog/2019/09/29/a-couple-of-probabilistic-worst-case-bounds-for-robin-hood-linear-probing/
// The more widely known "max displacement" picture of Robin Hood hashing also has strengths since the max displacement
// can be stored very compactly. You can see a micro-optimized example of that here for small tables where the max displacement
// can fit in 4 bits: Sub-nanosecond Searches Using Vector Instructions, https://www.youtube.com/watch?v=paxIkKBzqBU
void grow(Table *table) {
	u64 exp = 64 - table->shift;
	// We grow the table downward in place by a factor of 2 (not counting the overflow area at table->end).

rorycl

// RCL 05 June 2021

/*
verify with `openssl pkey -in <privatekey>` or `openssl pkey -in <privatekey> -pubout`
the latter should match the publickey
*/

package main

import (

marcan

/*
 * m1racle-poc: a basic proof of concept for the M1RACLES vulnerability in the Apple M1.
 * 
 * This program allows you to read and write the state of the s3_5_c15_c10_1 CPU register.
 *
 * Please visit m1racles.com for more information.
 *
 * Licensed under the MIT license.
 */

chaiyujin

Ubuntu: Install Kernel and Set GRUB Default Kernel

Install Kernel

Install the default kernel:

sudo apt install linux-generic

Set GRUB Default Kernel

1. Find entrance from /boot/grub/grub.cfg
   • Get the $menuentry_id_option:

zmb3

In order to compile a fully static binary when using Cgo you'll need to link in a C library like musl.

I find it convenient to have a Docker image ready for building these artifacts.

FROM golang
RUN wget https://musl.libc.org/releases/musl-1.2.5.tar.gz && \
   tar -xzf musl-1.2.5.tar.gz && \
   cd musl-1.2.5 && \
 ./configure --enable-static --disable-shared && \

cellularmitosis

Blog 2020/9/1

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Quick-n-dirty QEMU script to spin up Debian on various CPU's

updated 2025/4/2

schneefisch

Various ways to restart pods

Restart deployment

The most gracefull way is to trigger a restart for the deployment. In this case, a pod will only be terminated once the new pod is ready. It will slowly replace all pods one after the other.

kubectl rollout restart deployment <deployment-name>

Restart pods in a statefulset

lotusirous

package main

import (
	"context"
	"fmt"
	"io"
	"net/http"
	"os"
	"os/signal"
	"syscall"

jeffdyke

// I created this to attach to https://stackoverflow.com/questions/60046598/ssh-through-bastion-host
package main


import (
	"flag"
	"fmt"
	"golang.org/x/crypto/ssh"
	"golang.org/x/crypto/ssh/agent"
	"log"

coolreader18

class E(BaseException):
    def __new__(cls, *args, **kwargs):
        return cls
def a(): yield
a().throw(E)