# Mercurial
|
-|-
hg book <bookmark name>         | temporary branch
hg pull/hg rebase -d master     | git pull --rebase
hg revert <file>                | git co -f <file>
hg commit                       | git ci


# Jelly Fish
|
-|-
jf apply --all --suggested [--dry-run]      | apply suggested changes
jf apply --accepted --suggested [--dry-run] | apply accepted changes
jf submit -e                                | sumbit and edit a comment
jf land                                     | land the change

# Buck
|
-|-
buck test @mode/dev-nosan local/path/...    | run all tests
buck build @mode/opt local/path/...         | build optimized version (by default @mode/dev)
buck build -c python.helpers=true //path:target | interactive shell to play with the modules
... -ipython.par                            | not sure what this is

# On deman DB
|
-|-
ondemand devdb new              | new dev DB
ondemand devdb list             | list dev DBs
ondemand devdb connect --name <name of the ephemeral xdb shard> | connect to dev DB

# MySQL
|
-|-
SHOW DATABASES;                 |
SHOW DATABASES LIKE 'open%';    |
SHOW SCHEMAS;                   |


# Systems
|
-|-
*Data*                          |
 ODS                            | tiem series (guts)
 Scribe                         | log distributor
 Scuba                          | data in more details (tabular)
 uhaul                          | data permissining ??
 Warm Storage                   | HDFS
 presto                         | in memory
 spark                          | 
 hive                           | data store / query lang (use spark)
 dataswarm                      | DAG
 daiquery                       | simple queries
 gigraph                        | graph queries
*Real Time*                     |
 puma                           | PQL