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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

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IntelliJ is missing device resources included from Android Studio.

These files can be found under in the Android Studio repo under artwork\resources\device-art-resources - https://android.googlesource.com/platform/tools/adt/idea/+/refs/heads/mirror-goog-studio-main/artwork/resources/device-art-resources/ (permalink)

Then copied to Android SDK - $env:ANDROID_HOME\platforms\android-<version>\skins (e.g. C:\Users\$env:USERNAME\AppData\Local\Android\Sdk\platforms\android-34\skins)

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using System;
using System.Collections.Generic;

namespace SomeNamespace
{
    enum OperationType
    {
        
    }
    

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Transforming Code into Beautiful, Idiomatic Python

Notes from Raymond Hettinger's talk at pycon US 2013 video, slides.

The code examples and direct quotes are all from Raymond's talk. I've reproduced them here for my own edification and the hopes that others will find them as handy as I have!

Looping over a range of numbers

for i in [0, 1, 2, 3, 4, 5]:

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"""etcd3 Leader election."""
import sys
import time
from threading import Event

import etcd3

LEADER_KEY = '/leader'
LEASE_TTL = 5
SLEEP = 1

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Disabling "People also search for" box in Google search results

😡😡😡

Option 1: Add a rule to hide the "People also search for" box by targeting its style.

If you're using uBlock origin, add one of the following custom CSS rules:

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A collapsible section containing markdown

Click to expand!

Heading

1. A numbered
2. list
   • With some
   • Sub bullets

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Not all random values are created equal - for security-related code, you need a specific kind of random value.

A summary of this article, if you don't want to read the entire thing:

• Don't use Math.random(). There are extremely few cases where Math.random() is the right answer. Don't use it, unless you've read this entire article, and determined that it's necessary for your case.
• Don't use crypto.getRandomBytes directly. While it's a CSPRNG, it's easy to bias the result when 'transforming' it, such that the output becomes more predictable.
• If you want to generate random tokens or API keys: Use uuid, specifically the uuid.v4() method. Avoid node-uuid - it's not the same package, and doesn't produce reliably secure random values.
• If you want to generate random numbers in a range: Use random-number-csprng.

You should seriously consider reading the entire article, though - it's

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#define _XOPEN_SOURCE 500 /* Enable certain library functions (strdup) on linux. See feature_test_macros(7) */

#include <time.h>
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include <string.h>
#include <assert.h>

struct avl_node_s {

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