Questions tagged [cap]

The Common Alerting Protocol (CAP) is an XML-based data format for exchanging public warnings and emergencies between alerting technologies.

Take from wikipedia site:

The Common Alerting Protocol (CAP) is an XML-based data format for exchanging public warnings and emergencies between alerting technologies. CAP allows a warning message to be consistently disseminated simultaneously over many warning systems to many applications. CAP increases warning effectiveness and simplifies the task of activating a warning for responsible officials.

There is an implementation of CAP in java and exists in Google Code Repository to CAP lib.

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Capistrano - "cannot load such file --deploy"

Working on an existing rails project that is set up to deploy with Capistrano. Trying to determine my first step in figuring out this error. Can anyone point me in the right direction of what I need to do? cap aborted! cannot load such file --…
Lucas Holmgren
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Erlang fault-tolerant application: PA or CA of CAP?

I have already asked a question regarding a simple fault-tolerant soft real-time web application for a pizza delivery shop. I have gotten really nice comments and answers there, but I disagree in that it is a true web service. Rather than a web…
skanatek
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How does RavenDB achieves consistency, availability, and partition tolerance?

According to CAP theorem it is impossible for a distributed computer system to simultaneously provide consistency, availability, and partition tolerance. Reading about RavenDB it looks like this database supports ACID transactions and sharding at…
Vadim
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NoSQL database. In CAP theorem, what does CP mean?

I am confused about the difference between CA and CP. Suppose that we choose CP,and there is a partition in the network, if we want to keep consistency in the distributed system, every node has to wait and get synchronized to prevent there is…
Wubin Ouyang
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Capping FPS rate on iPhone?

How do I limit my FPS rate on my OpenGL app (I'm using CADisplayLink) so I can leave the CPU for other things?
user642252
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CAP Theorm - Why Mysql is CA

As Per CAP Consistency - All nodes gave the same data Availability means the ability to access the cluster even if a node in the cluster goes down. Partition tolerance means that the cluster continues to function even if there is a "partition"…
nikhil roadi
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How to use AtomicLong on Hazelcast CP Subsystem with just 2 Hazelcast cluster nodes?

I am updating to latest Hazelcast version [3.12] and I am facing problem to obtain a instance of AtomicLong. The new version, HZ introduces the concept of CAP Theorem, to grant Consistency and Partition Tolerance, but he problem is the CP subsystem…
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APDUtool create "Applet" fails

I am usually writing Java Card Software with JCOP, but nowadays I am trying out other development structures to get a little more insight. So I am using a simple HelloWorld.java as I have started with this one on JCOP as well -…
achiever
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Understanding the "P" in "CAP" with DDBMSes

In the CAP Theorem, the "P" (Partitioning) component essentially states that the system works well despite physical network partitions. I guess the "C" (Consistency) and "A" (Availability) make perfect sense to me in a DDBMS context: with…
IAmYourFaja
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How does FoundationDB handle conflicting transactions?

I'm curious how does FoundationDB handle a situation in which there are multiple transactions trying to update the same key? If one client executes this transaction: db.run((Transaction tr) -> { tr.set(Tuple.from("key").pack(),…
user9829695
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How do I enter environmental variables only as a factor (not as continuous variables) in the capscale function?

I am performing a CAP analysis (vegan, R) on a species abundance table, with 2 explaining factors (Location and Complexity_Watson) and one explaining continuous variable (Depth..m.). Below you will find some of my code:…
JVrooman
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How to draw an arrow in WPF programatically?

I need to draw an arrow in WPF programatically. I remember that Windows Forms had primitives to draw an arrow, setting the Cap to the Pen. mMyPen.CustomEndCap = new AdjustableArrowCap(arrowSize, arrowSize, true); Is it possible with WPF?
Daniel Peñalba
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Mapping UGC or FIPS6 geocodes to polygons?

I am looking to convert UGC or FIPS6 geocodes to polygons (or even rough lat/lng coordinates + radius). An example of the geocodes can be found here: http://alerts.weather.gov/cap/us.php?x=0 Anybody knows where I could find a mapping for these…
Ariel Vardi
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cap deploy:setup hangs?

Im having setup a empty git repo bare on the server side and everything setup. Cap deploy:setup does this [109.etc] env RAILS_ENV=production sh -c 'git clone git@109.etc:srv/paintings.git /srv/paintings/current' ** [out :: 109.etc] Initialized…
Rubytastic
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How does an LRU cache fit into the CAP theorem?

I was pondering this question today. An LRU cache in the context of a database in a web app helps ensure Availability with fast data lookups that do not rely on continually accessing the database. However, how does an LRU cache in practice stay…
antonig
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