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
import json, datetime | |
class RoundTripEncoder(json.JSONEncoder): | |
DATE_FORMAT = "%Y-%m-%d" | |
TIME_FORMAT = "%H:%M:%S" | |
def default(self, obj): | |
if isinstance(obj, datetime.datetime): | |
return { | |
"_type": "datetime", | |
"value": obj.strftime("%s %s" % ( |
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
<!doctype html> | |
<title>Site Maintenance</title> | |
<style> | |
body { text-align: center; padding: 150px; } | |
h1 { font-size: 50px; } | |
body { font: 20px Helvetica, sans-serif; color: #333; } | |
article { display: block; text-align: left; width: 650px; margin: 0 auto; } | |
a { color: #dc8100; text-decoration: none; } | |
a:hover { color: #333; text-decoration: none; } | |
</style> |
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 |