| max_function = "" | |
| 6.times do |i| | |
| 6.times do |j| | |
| max_function << ((rand(2) == 1) ? " + " : " - ") | |
| max_function << "#{rand(20)}*x#{i+1}#{j+1}" | |
| end | |
| end | |
| puts ((max_function[0..2] == " + ") ? max_function[3..(max_function.size-1)] : max_function) |
| http://books.google.com/books?id=8lKyxS8_CNoC&lpg=PA196&ots=G-ZgzDfG_0&dq=pushdown%20automata%20complement%20of%20ww&pg=PA163#v=onepage&q=ww&f=false |
| hbase(main):051:0> get 'books', 'fe80a1eb-2b3c-4995-8630-4131ef4b4eb7' | |
| COLUMN CELL | |
| attribute:author timestamp=5410348784985219840, value=\001Richard Matheson | |
| attribute:description timestamp=5410348784985219840, value=\001The most clever and riveting vampire nov | |
| el since Dracula. | |
| attribute:links timestamp=5410348784985219840, value=--- []\n\n | |
| attribute:title timestamp=5410348784985219840, value=\001I Am Legend | |
| log:change timestamp=5410348784985219840, value=--- []\n\n | |
| 5 row(s) in 0.0070 seconds |
| public class Timestamp { | |
| /** | |
| * Convert the given date in hbase timestamp format. | |
| * @param date to convert | |
| * @return the timestamp | |
| */ | |
| public static long toHbaseTimestamp(Date date) { | |
| return ((date.getTime() / 1000) << 32) + ((date.getTime() % 1000) * 1000); | |
| } |
| 09/12/22 14:58:27 INFO ipc.HBaseServer: IPC Server handler 39 on 60020: starting | |
| 09/12/22 14:58:27 INFO regionserver.HRegionServer: HRegionServer started at: 192.168.1.122:60020 | |
| 09/12/22 14:58:27 INFO regionserver.StoreFile: Allocating LruBlockCache with maximum size 408.3m | |
| 09/12/22 14:58:27 INFO regionserver.HRegionServer: MSG_CALL_SERVER_STARTUP | |
| 09/12/22 14:58:27 INFO regionserver.HLog: HLog configuration: blocksize=67108864, rollsize=63753420, enabled=true, flushlogentries | |
| =100, optionallogflushinternal=10000ms | |
| 09/12/22 14:58:27 INFO regionserver.HLog: New hlog /hbase/amsterdam_factory/.logs/factory22.local,60020,1261511907495/hlog.dat.126 | |
| 1511907500 | |
| 09/12/22 14:58:27 INFO regionserver.HRegionServer: Telling master at 192.168.1.101:62000 that we are up | |
| 09/12/22 14:58:27 FATAL regionserver.HRegionServer: Unhandled exception. Aborting... |
| -- This was for a DB class. Don't judge me. | |
| mysql> SELECT * FROM Project; | |
| +-----+-----------+------+ | |
| | pid | startyear | cid | | |
| +-----+-----------+------+ | |
| | 1 | 2007 | 5 | | |
| | 2 | 2004 | 29 | | |
| | 3 | 2004 | 1 | | |
| | 4 | 2003 | 14 | |
| development: | |
| adapter: cassandra | |
| keyspace: development | |
| servers: localhost:9160 | |
| test: | |
| adapter: cassandra | |
| keyspace: test | |
| servers: localhost:9160 | |
| production: | |
| adapter: cassandra |
A library for writing Heritrix 3 output directly to Cassandra as records.
| > db.runCommand( { listshards : 1 } ); | |
| { | |
| "shards" : [ | |
| { | |
| "_id" : "node02", | |
| "host" : "node02/node02.lab.mtl:27020,node03.lab.mtl:27020" | |
| }, | |
| { | |
| "_id" : "node04", | |
| "host" : "node04/node04.lab.mtl:27020,node05.lab.mtl:27020" |
| // shard_test.js | |
| // we want a lot of data, so lets make a ~50k string to cheat :) | |
| bigString = ""; | |
| while ( bigString.length < 50000 ) | |
| bigString += "this is a big string. "; | |
| print( "my big string is: " + bigString.length + " characters long" ); | |
| // ok, now lets insert a some data | |
| var num = 1; |