ayoubzulfiqar

Go - The Ultimate Folder Structure

Organizing your Go (Golang) project's folder structure can help improve code readability, maintainability, and scalability. While there is no one-size-fits-all structure, here's a common folder structure for a Go project:

project-root/
    ├── cmd/
    │   ├── your-app-name/
    │   │   ├── main.go         # Application entry point
    │   │   └── ...             # Other application-specific files

shiponcs

string removeDuplicates(string toCleanUp) {
    std:stack< char > str_stack;

    for(char x : toCleanUp) {
        if( !str_stack.empty() && x == str_stack.top() ) str_stack.pop();
        else str_stack.push( x );
        
    }
    string res;
    res.reserve(str_stack.size()); // reserve the space so that the concatenation speeds up.

rjarry

Topology

+--------+     VLAN 280      +------+
|       0+-------------------+      |
| trex   |     VLAN 290      |      |
|       1+-------------------+      |
+--------+                   |      |
                             |      |
+--------+     VLAN 280      |      |

nyrahul

#!/bin/bash

# Usage: $0 <pod> [tcpdump-filter]

[[ "$1" == "" ]] && echo "Usage: $0 <pod> [tcpdump-filter]" && exit 1

ep_id=`kubectl get cep -A -o jsonpath="{.items[?(@.metadata.name==\"$1\")].status.id}"`
iface=`cilium endpoint get $ep_id -o jsonpath="{[*].status.networking.interface-name}"`
shift

williamcaban

Using iperf Pods

• Create namespace or project for running iperf tests:

oc new-project iperf-test

• Create server Pod

rm -f pod-iperf-server.yaml 

grahamwhaley

MarioHewardt

By default, EBPF programs will not run on WSL2 due to required kernel modules missing. The following example error is an 
indication of this problem:
  modprobe: ERROR: ../libkmod/libkmod.c:586 kmod_search_moddep() could not open moddep file '/lib/modules/4.19.84-microso
  ft-standard/modules.dep.bin'
  modprobe: FATAL: Module kheaders not found in directory /lib/modules/4.19.84-microsoft-standard
  chdir(/lib/modules/4.19.84-microsoft-standard/build): No such file or directory

To fix this you need to rebuild the WSL2 kernel with the missing kernel modules. The below instructions are for Ubuntu 18.04 WSL2.

1. git clone https://github.com/microsoft/WSL2-Linux-Kernel.git

karlredman

[
	{ "keys": [":"], "type": "function", "command": "enter_command_line_mode" },
	{ "keys": ["q"], "type": "prompt", "command": "exit", "cursorPosition": -1 },
	{ "keys": ["/"], "type": "prompt", "command": "search \"\"", "cursorPosition": -2 },

	{ "keys": ["TAB","l"], "type": "function", "command": "focus_next" },
	{ "keys": ["SHIFT_TAB","h"], "type": "function", "command": "focus_previous" },
	{ "keys": ["UP","k"], "type": "function", "command": "move_up" },
	{ "keys": ["DOWN","j"], "type": "function", "command": "move_down" },
	{ "keys": ["PAGE_UP","K","u"], "type": "function", "command": "page_up" },

wknapik

# This function greps everything between the last two prompts in the current tmux pane.
# Arguments are passed to `grep -i', so any valid `grep' options can be supplied.
# Requirements: coreutils, grep, sed, tmux, zsh.

just() {
    local -r max=10000 psone="$(print -P "$PS1"|sed "s,\x1B\[[0-9;]*[a-zA-Z],,g")"
    local inside=0;
    tmux capture-pane -pS-"$max" -E"$max"|tac|\
        while IFS= read -r line; do
            case "$inside,$line" in

florianl

package main

import (
	"fmt"
	"net"
	"os"
	"time"

	bpf "github.com/iovisor/gobpf/bcc"
	"github.com/florianl/go-tc"