-
Open the Terminal
-
Use
mysqldump
to backup your databases -
Check for MySQL processes with:
ps -ax | grep mysql
-
Stop and kill any MySQL processes
-
Analyze MySQL on HomeBrew:
brew remove mysql
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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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# built application files | |
*.apk | |
*.ap_ | |
# files for the dex VM | |
*.dex | |
# Java class files | |
*.class |
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license: mit | |
height: 350 |
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// Async/Await requirements: Latest Chrome/FF browser or Babel: https://babeljs.io/docs/plugins/transform-async-to-generator/ | |
// Fetch requirements: Latest Chrome/FF browser or Github fetch polyfill: https://github.com/github/fetch | |
// async function | |
async function fetchAsync () { | |
// await response of fetch call | |
let response = await fetch('https://api.github.com'); | |
// only proceed once promise is resolved | |
let data = await response.json(); | |
// only proceed once second promise is resolved |
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// for multiple requests | |
let isRefreshing = false; | |
let failedQueue = []; | |
const processQueue = (error, token = null) => { | |
failedQueue.forEach(prom => { | |
if (error) { | |
prom.reject(error); | |
} else { | |
prom.resolve(token); |