Sql server
@@Identity , Scope_identity
Ident_current
Sequence –
האפשרות לקבוע את הסדר של ההכנסה באמצעות שימוש ב over כאשר עושים insert into and select
php
parent::_construct
python
super (myClass ,self )._init_()
camel
Camel message model
message – unique identifier , headers attachments
body –> java.lang.object
Exchange : envelop of the message that send over the channels
Routing engine , routes , dsl, processor
neo4j
Cypher , gremlin neo4 traversal api
mysql
Load Data
on duplicate –> belong to create item
create table space
Redis
$redis = Redis.new (:timeout = 0 )
$redis.subscribe ( channels names ) do | on |
on.messsage do |chanell ,msg |
.
.
.
end
end
implements pub sub
Hadoop
class reducer
SetSortComperatorClass
SetGroupingComperatorClass
MongoDB
locks on the DB
read , write locks writes lock has a priory over read lock
Sharding – every instance has its on lock
CXF
cxf frontends – jax ws
contract or code first development
service endpoint interface sei
@Webservice jaxax.jws.webservice –> ServiceName , port name
@SoapBinding
@WebMethod
c++
move assignable
is_move_assignable
struct b
{
B(B&&) = delete ;
}
Regex
.
.{1,3}
? zero or one
Hibernate
@ManyToMany
@JoinTable
מוגדר ביחד עם ה Set
RabitMQ
ack messgae , reject a message
UPNP
When device become enable it send a multicast SSDP notify message
Control point – search for devices by sending SSDP M_SEARCH multicast message
Device description –> device data , services list
upnp control –> post http soap formating message
upnp eventing
upnp presentation –> http get page
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