Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.
$ python -m SimpleHTTPServer 8000
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 |
/* | |
A Tour of Go: page 44 | |
http://tour.golang.org/#44 | |
Exercise: Loops and Functions | |
As a simple way to play with functions and loops, implement the square root function using Newton's method. | |
In this case, Newton's method is to approximate Sqrt(x) by picking a starting point z and then repeating: z - (z*z - x) / (2 * z) |
Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.
$ python -m SimpleHTTPServer 8000
/* | |
* I add this to html files generated with pandoc. | |
*/ | |
html { | |
font-size: 100%; | |
overflow-y: scroll; | |
-webkit-text-size-adjust: 100%; | |
-ms-text-size-adjust: 100%; | |
} |
WARNING: This gist was created in 2013 and targets the legacy GOPATH mode. If you're reading this in 2021 or later, you're likely better served by reading https://tip.golang.org/cmd/go/#hdr-Configuration_for_downloading_non_public_code and https://golang.org/ref/mod#private-modules.
$ ssh -A vm
$ git config --global url."git@github.com:".insteadOf "https://github.com/"
$ cat ~/.gitconfig
[url "git@github.com:"]
insteadOf = https://github.com/
$ go get github.com/private/repo && echo Success!
Success!
Install cask
that extends the brew
command :
brew install phinze/cask/brew-cask
Install calibre
using cask
:
brew cask install calibre
package main | |
import ( | |
"fmt" | |
) | |
/* | |
Question: | |
What will be printed by this program? |