The Wastewater Trends iOS app does not collect any user data of any kind. The app only accesses the internet to download wastewater data from public servers.
Matthew Rothenberg mroth
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| package main | |
| import ( | |
| "bufio" | |
| "crypto/rand" | |
| "fmt" | |
| "testing" | |
| ) | |
| func BenchmarkRandReads(b *testing.B) { |
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| package main | |
| import ( | |
| "bufio" | |
| "crypto/rand" | |
| "strconv" | |
| "testing" | |
| ) | |
| func BenchmarkRandReads(b *testing.B) { |
mroth
/ conversion.go
Last active
June 11, 2022 14:39
Inconsistent overflow behavior between amd64 and arm64 on a float64->int64 conversion following math.Ceil
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| package main | |
| import ( | |
| "fmt" | |
| "math" | |
| ) | |
| func main() { | |
| var f float64 = math.MaxInt64 + 1 | |
| c := math.Ceil(f) |
mroth
/ raceexec_test.go
Created
January 4, 2019 22:38
Debugging interesting behavior with a common pattern for testing subprocesses and the race detector.
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| package raceexec | |
| import ( | |
| "log" | |
| "os" | |
| "os/exec" | |
| "testing" | |
| "time" | |
| ) |
mroth
/ comparemem.txt
Created
July 27, 2018 00:15
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| benchmark old ns/op new ns/op delta | |
| BenchmarkRegister-4 1767 2250 +27.33% | |
| BenchmarkUnregister-4 2956 3406 +15.22% | |
| BenchmarkBroadcast/1-4 637 901 +41.44% | |
| BenchmarkBroadcast/10-4 2022 2195 +8.56% | |
| BenchmarkBroadcast/100-4 20755 20312 -2.13% | |
| BenchmarkBroadcast/500-4 103296 104309 +0.98% | |
| BenchmarkBroadcast/1000-4 191801 196909 +2.66% | |
| BenchmarkBroadcast/10000-4 2539621 2751075 +8.33% | |
| BenchmarkBroadcast/100000-4 45231751 49716303 +9.91% |
mroth
/ git-music.sh
Last active
January 25, 2017 17:58
Adds the currently playing iTunes track to your prepared git commit message.
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| #!/bin/bash | |
| # Adds the currently playing iTunes track to your prepared commit message. | |
| # | |
| # To install, save in repo as chmod +x to .git/hooks/prepare-commit-msg | |
| SONG=`osascript -e 'tell application "iTunes" to if player state is playing then "♬ : " & artist of current track & " / " & name of current track'` | |
| if [[ $SONG ]]; then | |
| echo -e "$(cat $1)\n\n$SONG" > $1 | |
| fi |
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| VirtualBox VM 5.0.2 r102096 darwin.amd64 (Aug 13 2015 18:38:03) release log | |
| 00:00:00.035033 Log opened 2015-08-20T12:17:55.276622000Z | |
| 00:00:00.035034 Build Type: release | |
| 00:00:00.035045 OS Product: Darwin | |
| 00:00:00.035050 OS Release: 14.5.0 | |
| 00:00:00.035055 OS Version: Darwin Kernel Version 14.5.0: Wed Jul 29 02:26:53 PDT 2015; root:xnu-2782.40.9~1/RELEASE_X86_64 | |
| 00:00:00.035143 DMI Product Name: MacBookPro12,1 | |
| 00:00:00.035189 DMI Product Version: 1.0 | |
| 00:00:00.035195 Host RAM: 16384MB total, 7593MB available | |
| 00:00:00.035197 Executable: /Applications/VirtualBox.app/Contents/MacOS/VBoxHeadless |
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| # A very common pattern in Elixir is to define a method that pipes the first | |
| # argument through a series of transformations, for example here is some actual | |
| # Elixir code I just wrote. | |
| @spec encode(String.t) :: String.t | |
| def encode(plaintext) do | |
| plaintext | |
| |> encipher | |
| |> chunk | |
| end |
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| ERROR: MultiJson::DecodeError occured in stream |
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