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Bjarne Sievers bjrne

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@nestserau
nestserau / AtomicInteger.swift
Last active October 6, 2022 12:12
Atomic way to operate on integers in Swift. Inspired by Java's AtomicInteger
/// This is free and unencumbered software released into the public domain.
///
/// Anyone is free to copy, modify, publish, use, compile, sell, or
/// distribute this software, either in source code form or as a compiled
/// binary, for any purpose, commercial or non-commercial, and by any
/// means.
///
/// In jurisdictions that recognize copyright laws, the author or authors
/// of this software dedicate any and all copyright interest in the
/// software to the public domain. We make this dedication for the benefit
@davidferguson
davidferguson / toolbox.xml
Created September 10, 2016 20:54
Blockly Deafult Blocks Toolbox
<xml id="toolbox" style="display: none">
<category name="{catLogic}" colour="210">
<block type="controls_if"></block>
<block type="logic_compare"></block>
<block type="logic_operation"></block>
<block type="logic_negate"></block>
<block type="logic_boolean"></block>
<block type="logic_null"></block>
<block type="logic_ternary"></block>
</category>
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<?
/////////////////////
// slack2html
// by @levelsio
/////////////////////
//
/////////////////////
// WHAT DOES THIS DO?
/////////////////////
//
@jboner
jboner / latency.txt
Last active June 29, 2024 19:54
Latency Numbers Every Programmer Should Know
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
@briancavalier
briancavalier / simple-promise-retry.js
Created February 24, 2011 18:35
A few general patterns for retries using promises
function keepTrying(otherArgs, promise) {
promise = promise||new Promise();
// try doing the important thing
if(success) {
promise.resolve(result);
} else {
setTimeout(function() {
keepTrying(otherArgs, promise);