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SamWhited / precisTests.go
Last active Aug 12, 2019
Run the test vectors from the Python version of Precis against the Go version
View precisTests.go
// Command precisTests opens test/golden.json from the python version of Precis
// and attempts to run them against the Go version.
// Right now Python 3.7.4 appears to use Unicode Version 11.
// This means this program should be run with Go 1.13 to use the same version.
// This is gotip as of this gist.
// To install gotip try something like this:
// go get
SamWhited / transactions.go
Last active Jun 3, 2018
Example of wrapping up database transactions with a closure.
View transactions.go
package transaction
import (
// Exec creates a transaction and calls f.
// When it is finished, it cleans up the transaction. If an error occured it
// attempts to rollback, if not it commits.
SamWhited /
Last active Jan 29, 2018
Experience report about attempting to ensure compile time correctness of values using the type system

Faking Enumeration Types with Consts and Unexported Types

What I Wanted to Do

While working on an implementation of the wire protocol from a network standard, I needed to implement an error response. These errors may come in one of several flavors which is encoded and sent along with the error:

  • Cancel
SamWhited / .gitignore
Last active Aug 31, 2016
Jitsi Meet mod_token_auth ASAP test server
View .gitignore
SamWhited / .block
Last active Apr 25, 2016
Go bcrypt benchmarks
View .block
license: gpl-3.0
SamWhited /
Created Jun 28, 2015
Keybase verification

Keybase proof

I hereby claim:

  • I am SamWhited on github.
  • I am samwhited ( on keybase.
  • I have a public key whose fingerprint is 9761 51DE E472 01CE 4A85 9F70 5408 3AE1 04EA 7AD3

To claim this, I am signing this object:

SamWhited / Makefile
Last active Aug 29, 2015
Print all cameras supported by the currently linked version of libraw
View Makefile
.PHONY: build
all: cameras
cameras: cameras.c
gcc -I/usr/include/libraw $< -o $@ -lraw
SamWhited / thinklight.go
Created May 30, 2015
Turn on or off the ThinkLight (or keyboard backlight) on various ThinkPad laptops
View thinklight.go
package main
import (
func btoi(n bool) byte {
if n {
SamWhited /
Created Feb 2, 2015
Ciphers supported in Android (Conversations prefered order first, then system ciphers)

Android 4.4:

02-02 08:40:53.293    2514-2530/eu.siacs.conversations D/conversations﹕ Using
SamWhited /
Last active Dec 28, 2016
Extract metadata from Canon CR2 and Nikon NEF raw files
#!/usr/bin/env python
import sys
import os
from rawphoto.cr2 import Cr2
from rawphoto.nef import Nef
def print_entries(raw, ifd, level=1):
for name in ifd.entries:
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