lightsongjs

@echo off
:: This script converts all .mkv files in the current directory to .mp4 format
:: using ffmpeg. Make sure ffmpeg is installed and available in the system PATH.

setlocal enabledelayedexpansion

:: Loop through all .mkv files in the current directory
for %%f in (*.mkv) do (
    :: Set the base name by removing the file extension
    set "basename=%%~nf"

magnetikonline

AWS CLI JMESPath cheatsheet

Random query recipes of JMESPath for the AWS CLI tools that I might have written or stumbled upon.

• Examples
  • List available AWS regions
  • List Lambda functions within AWS account region
  • Test if specific Lambda function exists
  • List Route 53 record names and their type for a zone
  • List CloudWatch log groups

ricsirigu

class ConditionalRendering{
  def render: (NodeSeq) => NodeSeq = {
    "#content-container" #> {if(trueness) PassThru else ClearNodes} andThen
    "#inclusions" #> {".inclusions-text *" #> { List("food", "drinks") } }                     
  }
}

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD