Galaxy Quest ***
Rated on a 4-star scale Screening venue: Odeon (Liverpool City Centre) Released in the UK by UIP on April 28, 2000; certificate PG; 102 minutes; country of origin USA; aspect ratio 2.35:1
Directed by Dean Patriot; produced by Mark Johnson, Charles Newirth. Written by Robert Gordon, David Howard. Photographed by Jerry Zielinski; edited by Don Zimmerman.
CAST..... Tim Allen..... Jason Nesmith Sigourney Weaver..... Gwen DeMarco Alan Rickman..... Alexander Dane Tony Shalhoub..... Fred Kwan Sam Rockwell..... Guy Freegman Daryl Mitchell..... Tommy Webber Enrico Colantoni..... Mathesar Robin Sachs..... Sarris
Sometimes when I feel lazy I sit on the couch and flip through satellite TV channels. One of my discoveries is a station called Granada Plus. In the daytime it airs a lot of the programmes that I saw when growing up -- cop shows like "Starsky and Hutch" and "Cagney and Lacey", as well as science-fiction fare like "The Time Tunnel", "The Incredible Hulk", "The Six Million Dollar Man", "Lost in Space" and "Star Trek".
I thought of such delicious pieces of pop culture while watching "Galaxy Quest". The movie opens at a comic book convention, where the celebrity guests were performers in a very "Star Trek"-like TV show called, well, "Galaxy Quest". It was cancelled in the early 1980s, and now its actors are out of work, spending their time showing up at gigs to sign autographs. Main star Jason Nesmith (Tim Allen), who bears a suspicious resemblance to William Shatner, is a goofball who drinks too much and takes his fans' affections for granted. Blonde bombshell Gwen DeMarco (Sigourney Weaver) still laments that interviewers only ever asked her about her breasts. Classically-trained thespian Alexander Dane (Alan Rickman) is known for his moaning: "I played Hamlet once!" he wails into the mirror.
These guys, along with three other former cast members, run into some strange-looking fans who talk in robotic voices and make jittery movements. They make a plea of Jason, which he interprets as a request for another star appearance. As it turns out, though, this band of admirers are actually aliens who have seen and admired "Galaxy Quest" from outer space, believing it to be a set of historical documents. They want help from their heroes to battle their intergalactic foes.
After a period of initial shock, Jason excitedly leaps into this opportunity. "It'll be fun! Just like being on the show!" His colleagues have to take him aside to remind him that they are not real space warriors, just actors. Not a problem, it turns out: The friendly aliens' spaceships have been modelled on those of "Galaxy Quest", and the controls have been based on the actors' movements.
What I love about this movie is that it replicates the feel, structure and rhythm of sci-fi adventures with a rejuvenating sense of lightheartedness. In other words, it's as exciting as those old shows were from a kid's point of view, and very funny, too. The film has a lot of self-referential dialogue, but that's nothing new any more -- its general sense of whimsy is much more enjoyable. And it has a moment I've been waiting to see for years: Instead of the spaceship pulling out of its tiny loading bay with perfect ease, the pilot ends up bumping it against the wall, and having to say "Oops! Sorry!"
The cast is terrific. Tim Allen, Sigourney Weaver, Alan Rickman and Tony Shalhoub are familiar faces, and look so out of their depth in the middle of all this silliness that of course we find ourselves smirking. They also create characters we care about. Just because they're in a comedy doesn't mean they turn into robots who spit out one-liners -- they interact like real people, making everything they have to deal with just that little bit more absurd, and entertaining.
COPYRIGHT(c) 2000 Ian Waldron-Mantgani Please visit, and encourage others to visit, the UK Critic's website, which is located at http://members.aol.com/ukcritic
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
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Related links: index of all rec.arts.movies.reviews reviews


Tutorial : Shape Object Animation
Objects: VShapeAnimationTrack, VShapeAnimationEvent
An Animation Event will tell the reference object to start playing an animation upon triggering. The animation that is to be played is defined by the Event's "AnimationData" property. If an invalid animation name is specified, no animation will play.
Animations which play as a result of a VAnimationEvent will be adjusted so that the correct position and timescale are applied. Animations which allow for transitions or loop are treated no differently.
While VAnimationTrack can be added to any VSceneObjectGroup object, the SceneObject that you intend to animate must be derived from the 'ShapeBase' class. This includes commonly used object types like Player, Vehicle and StaticShape, but please note that TSStatic does not derive from ShapeBase and cannot play animations.
Since the ShapeBase class networks animation thread properties, Playing or Pausing the root Controller will affect playback on all clients.
How to Use:
To animate an object, you must first setup a valid VSceneObjectGroup and then create a new Track. If you are unsure of how to create or validate a Group, click here.
Right-Click on the Group, go to "Add Track" and select "Add Animation Track".
Right-Click on the Track and select "Add Event".
Select the newly created Event. The Property List window will refresh and inspect the Event. Change the "AnimationData" property to the name of the animation you wish to have played upon triggering.


jScrolly
Simple dependency-free javascript carousel slider plugin
Slide One
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View on GitHub


The Psychic Game
Test your psychic abilities. Guess what letter I'm thinking of?
Type any key.
Wins: 0
Losses: 0
Guesses Left: 9
Guesses Made: 0
fill
rotate
number of curves : 100


EventData()
语法
Data = EventData()概要
Get the data associated with the current event. The event needs to be a custom event sent with PostEvent().
参数
无.
返回值
Returns the value associated with the current event. If the current event isn't a custom event sent with PostEvent(), this value is undefined.
参阅
PostEvent(), WindowEvent()
已支持操作系统
所有


{% extends "layout.html" %} {% block body %}
View ion images and spectra from dataset {{ ds_name }}.
Input an m/z to see the ion image, click on a pixel to view a spectrum
m/z +/- ppm => get image
: Proportional Transparancy
Intensity:
Resolving power:
: Hold Spectra


Parentopticon - Window {{window.name}}
Window '{{window.name}}'
Name:
Monday:
Tuesday:
Wednesday:
Thursday:
Friday:
Saturday:
Sunday:


Chemistry Quiz Key Generator
Molarity Form
Input a conjugate base-acid pair, volumes, and molarity values of each, then press "Calculate".
{{ limiter }} is the limiting reactant giving {{ mSalt }} moles, {{ gWater }} grams of water, and {{ gSalt }} grams of salt.


Typhoon Ramon threatens Cagayan as Tropical Depression Sarah maintains strength
PAGASA warns of possible flooding in coastal areas under Signal Nos. 2 and 3 due to high waves caused by Typhoon Ramon (Kalmaegi). Meanwhile, Tropical Depression Sarah will also bring rain.
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As fun as it may be to feed birds, it is very dangerous to the birds health. Bread is not nutritious for birds, and they learn to be dependent on humans for food. If you want to see birds, go to a park near you, and you can harmlessly observe birds.
Sure, buildings with lots of windows are nice to look at. However, when birds are migrating, they may not realize that there is a window in their way. Bright lights in buildings can also be confusing to them. This is a constant problem for birds in cities, but can be remedied by: - Moving plants away from your windows, so birds will not go for them - Putting light marks or decals on windows, so birds will know that they are solid (make your windows look cool, too!) - Turning down lights in offices that have large windows (daylight will illuminate the ofice)


Node.js
Q1. When a javaScript function is invoked (called) in Node, where is a new frame placed?
- [x] the call stack
- [ ] the event loop
- [ ] the poll phase
- [ ] the events queue
Q2. Which of the following is a core module in Node?
- [ ] webpack
- [x] crypto
- [ ] request
- [ ] chalk
Q3. Which of the following Buffer class methods returns an uninitialized buffer?
- [x] allocUnsafe
- [ ] concat
- [ ] from
- [ ] alloc
Q4. Which of the following modules is NOT a built-in module in Node?
- [x] ftp
- [ ] events
- [ ] dgram
- [ ] http2
Q5. Which fs module method can be used to read the content of a file without buffering it in memory?
- [ ] read
- [ ] readFile
- [x] createReadStream
- [ ] readFileSync
Explanation:
From official docs: https://nodejs.org/api/fs.html#fs_dir_read To minimize memory costs, when possible prefer streaming via fs.createReadStream().
- [x] lookup
- [ ] resolve
- [ ] resolve4
- [ ] reverse
Q7. How do you check that a value is a date object in Node?
- [x] util.types.isDate(value)
- [ ] assert.isDate(value)
- [ ] console.isDate(value)
- [ ] util.date(value)
Q8. Can you create an https web server with Node.js?
- [ ] no, there are no modules supporting it yet
- [x] yes, with the https or http2 modules
- [ ] yes, through the path module
- [ ] yes, with the http module
Q9. What is the Api that is designed to insulate Addons from changes in the underlying JavaScript engine?
- [ ] A-API
- [ ] Z-API
- [x] N-API
- [ ] X-API
- [ ] –dev-tools
- [x] –inspect
- [ ] –chrome
- [ ] –debug
Q11. How can you count the number of logical CPUs on the machine that is running Node?
- [ ] node -p "process.cpus"
- [ ] node -p "util.cpus().size"
- [ ] node -p "process.os.cpus"
- [x] node -p "os.cpus().length"
Q12. Which of the following is a method on the console obejct?
- [ ] exit
- [ ] test
- [x] time
- [ ] print
Q13. Which object is used to manage the cache of required modules?
- [ ] global.cache
- [ ] module.cache
- [ ] process.cache
- [x] require.cache
Q14. What is the command to silence all process warnings?
- [ ] node index.js –trace-warnings
- [x] node –no-warnings
- [ ] node -trace-warnings
- [ ] node index.js –no-warnings
Q15. How can you use the promise API with a callback-based function like child_process.exec?
- [ ] new Promise(child_process.exec())
- [ ] util.promisify(child_process.exec())
- [x] util.promisify(child_process.exec)
- [ ] new Promise(child_process.exec)
Q16. Which of the following is NOT a Node repl command?
- [ ] .brake
- [x] .history
- [ ] .editor
- [ ] .save
Q17. Which statement is true when you run the code shown below?
require('child_process').fork('script.js');
- [ ] The forked process shares the event loop with the parent process - [ ] A new VM instance is created and the two VM instances will be shared between the forked process and the parent process. - [✅] The forked process will have its own VM instance. - [ ] The forked process shares the same VM thread with the parent process.
Q18. If EventEmitter is in scope, which of the following lines of code will have an event emitter emitting a change event?
- [x] EventEmitter.emit(‘change');
- [ ] EventEmitter.new().emit(‘change');
- [ ] (new EventEmitter()).emit(‘change');
- [ ] new EventEmitter(‘change');
Explanation:
Because the EventEmitter is already in scope. No need to create new one.
Q19. Which of the following objects is a stream
- [ ] process.uptime
- [x] process.stdout
- [ ] process
- [ ] Buffer
Explanation:
process.stdout is Buffer type.
Q20. Which module variable holds the resolved aboslute path of the current module file?
- [ ] __pathname
- [ ] __location
- [ ] __flder
- [x] __filename
21. If the child_process module methods are in scope, what is a current way to execute the command ps -ef using a child process?
- [ ] spawn("ps -ef")
- [x] exec("ps -ef")
- [ ] exec("ps", "-ef")
- [ ] fork("ps -ef")
Q22.Which console method can be used to print the stack trace to the point of its execution?
- [ ] stack
- [x] trace
- [ ] debug
- [ ] print
Q23.When you run JavaScript in a Node.js application, which of the following elements in a Node.js stack actually executes that JavaScript?
- [ ] the libuv library
- [ ] the c-ares library
- [x] the VM (like VS or Chakra)
- [ ] the repl module
Q24. Looking at the code below, what does the console show?
const http = require('http');
const hostname = '<IP_ADDRESS>'; const port = 3000;
const server = http.createServer((req, res) => {
res.statusCode = 200; res.setHeader("Content-Type", "text/plain"); res.end("Hello World\n");
});
server.listen(port, hostname, () => { console.log(`server running at http://${hostname}:${port}/`); });
- [ ] server running at http://localhost:3000/
- [ ] server running at port 3000
- [ ] server running at http://localhost:4000/
- [x] server running at http://<IP_ADDRESS>:3000/
Q25.What is the purpose of the path module?
- [x] to provide utilities to play with file and directory paths
- [ ] to provide utilities to add and remove files
- [ ] It is a retiring module.
- [ ] to provide utilities to test files
Q26.How do you make an HTTP server object active and listen to requests on certain ports?
- [ ] server. start
- [ ] server.activate
- [x] server.listen
- [ ] server. run
Q27.What does the code shown below do?
const fs = require('fs'); const os = require('os');
const system = os.platform(); const user = os.userInfo().username;
fs.appendFile('hello.txt', `Hello ${user} on ${system}`, (err) => { if (err) throw err; console.log('The data was appended to file!');}
);
- [x] creates a text file hello.txt and appends customized text
- [ ] creates an image file
- [ ] console logs system information
- [ ] creates a file named data and append numbers
Q28.How do you start a Node application, if the entry file is indexjs?
- [ ] nodemon start
- [ ] start index.js
- [x] node index.js
- [ ] node start
Q29.What is the purpose of the file system (fs) module?
- [ ] to provide methods to work with requests and responses
- [x] to provide methods to work with files
- [ ] to provide methods to work with databases
- [ ] to find new file systems
Q30.What is the Node LTS version?
- [ ] It is the current unstable version and is to be avoided.
- [ ] It is the version that will be retired soon.
- [ ] It is the version with the latest features.
- [x] It is the safest version for long-term support.
Q31. Which of the following is NOT a valid stream in Node?
- [x] process. stdinfo
- [ ] process. stdin
- [ ] process. stdout
- [ ] process. stderr
Q32. You have a script.js file with the single line of code shown here. What will be the output of executing script.js with the node command?
console.log(arguments);
- [ ] ReferenceError: arguments is not defined - [ ] an empty string - [ ] undefined - [✅] an object representing an array that has five elements
Q33. Which choice is not a valid method on event emitters?
- [x] start
- [ ] on
- [ ] once
- [ ] off
Q34. Which special object is an instance of EventEmitter?Which special object is an instance of null?
- [ ] process
- [ ] Buffer
- [ ] root
- [x] require
Q35. What is the command to get a list of available commands for Node.js?What is the command to get a list of available commands for Node.js?
- [ ] node index.js -x
- [ ] node -v
- [x] node -h
- [ ] node index.js -h
Q36. When a request event is received in the HTTP module, what is the type of the first argument passed to that event, usually named req?
- [x] http.IncomingMessage
- [ ] http.ServerRequest
- [ ] http.ClientRequest
- [ ] http.ServerResponse
Q37. What are the arguments passed to the module wrapper function?
- [ ] exports, __filename, __dirname
- [ ] exports, process, require, module, __filename, __dirname
- [ ] exports, module, __filename, __dirname
- [x] exports, require, module, __filename, __dirname
Q38. Which library provides Node.js with the event loop?
- [ ] V8
- [ ] c-ares
- [x] libuv
- [ ] events
Q39. What does the .node file extension represent?
- [ ] a C++ file that can have a .node extension and that Node will be able to execute directly.
- [x] a C++ Addon file that is built with node-gyp
- [ ] a JSON file that can have a .node extension as well as the .json extension
- [ ] a JavaScript file that can have a .node extension as well as the .js extension
Q40. What can you export with module.exports?
- [ ] only objects.
- [ ] only functions
- [ ] only variables and arrays
- [x] functions, objects, arrays, or anything you assign to the module
Q41. Which core module in Node can you use to take advantage of multicore systems?
- [ ] os
- [ ] util
- [x] cluster
- [ ] net
Q42. Which core Node module has wrappers for OpenSSL methods?
- [ ] SSL
- [ ] hash
- [x] crypto
- [ ] TLS
Q43. Which line imports a promise-based version of the readFile method?
- [x] const { readFile } = require(fs).promises
- [ ] const { readFile } = require(fs)
- [ ] const { readFilePromises: readFile } = require(fs)
- [ ] const { readFile } = require(promises)
Q44. According to the rules of semantic versioning, what does a release incrementing the third number in an npm version string communicate to users about the release changes?
- [ ] Changes are not backwards compatible.
- [ ] Changes might not be backward compatible and might break existing code.
- [x] Changes are just bug fixes and no new features were added.
- [ ] Changes will add new functionality but will not break any existing code.
Q45. What does REPL stand for?
- [ ] run, examine, put, loop
- [x] read, eval, print, loop
- [ ] run, edit, print, loop
- [ ] read, extend, print, loop
Q46. Which statement is true when you run this code?
require('child_process').fork("script.js")
- [ ] The forked process shares the same VM thread with the parent process. - [ ] The forked process will have its own VM instance. - [ ] The forked process shares the event loop with the parent process. - [ ] A new VM instance is created, and the two VM instances will be shared between the forked process and the parent process.


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At the harsh pace of modern life, we often lack the time and energy to engage in a healthy lifestyle. But each and every one of us wants to feel great and stay in good shape. The Smart Nutrition Programs from the international company DiaVita© are designed to solve this problem and make your life easier, healthier, and happier!


For entering text in CJK languages, simple keyboard typing is not adequate. Instead there are programs that run and handle the conversion of keystrokes to characters these programs are called input methods.
I have tested FontForge with two freely available input methods (as well as one can who speaks neither Chinese, Japanese nor Korean) kinput2 (for Japanese) and xcin (for Chinese).
There is reasonably good (English) documentation on installing and using kinput2 on the mozilla site, and at suse, kinput2 has the interesting complexity that it requires yet another server to be running, generally either cannaserver or jserver. It looks to me as though it might be possible to use a chinese or korean jserver with kinput2 but I have not tried this.
There is good Chinese and English documentation on xcin at the xcin site in Taiwan(english is not the default here, but it is available about 3 lines down).
One of the most difficult problems I had in installing these was finding the appropriate locales. I could not find them in my RedHat 7.3 distribution, nor could I find any RedHad rpms containing them. There is a good supply of Mandrake locale rpms (named locales-zh*
for chinese, locales-jp*
for japanese, etc.) but Mandrake stores them in a different directory so after installing them I had to copy them from /usr/share/locales
to /usr/lib/locales
. The SUSE docs imply that the current SUSE distribution ships with these locales.
To start fontforge with an input method you must first insure that the input method itself is running. For kinput2 do the following:
$ cannaserver & $ kinput2 -canna -xim &
While for xcin:
$ setenv LC_CTYPE zh_TW.Big5 (or $ LC_CTYPE=zh_TW.Big5 ; export LC_CTYPE ) $ xcin &
Beware: Different systems will have slightly different locale names (sometimes it's zh_TW.big5
, or something else) so if things don't work try something else.
Once you've started your input method you must then start FontForge. You should set the LC_CTYPE environment variable (or LC_ALL or LANG) to the appropriate locale. You may (if you have multiple input methods running that support the same locale) need to set the XMODIFIERS environment variable to the name of your method (xcin can have multiple names, it prints out the one it is currently using on start-up).
$ setenv LC_CTYPE ja_JP.eucJP $ setenv XMODIFIERS "@im=kinput2" $ fontforge -new
FontForge will start up significantly more slowly when connecting to an IM, just be patient with it. FontForge supports OverTheSpot input in textfields and Root input in the font and outline character views. Not all textfields accept unicode input, but any that do should now accept input from an IM.
This only works if X_HAVE_UTF8_STRING
is defined -- an XFree 4.0.2 extension (ie. not on solaris)
If you are interested in the mechanics of XIM programming I refer you to O'Reilly's excellent Programmers Reference Guide for X11, chapter 11.


'Lady and the Tramp' on Disney+: Janelle Monae lends voice, musical talent to live-action film
by WABCThe new live-action remake of "Lady and the Tramp" debuts on Disney+, Disney's streaming service, and is faithful to the 1955 classic animated film -- but this time mixes real dogs with computer animation.
The sweet story of "puppy love" between a beloved cocker spaniel house pet named Lady, and a scruffy stray nicknamed Tramp has its lead actors portrayed by canine actors named Rose and Monte. Tessa Thompson lends her voice to Lady, and Justin Theroux to Tramp.
The two dogs go on an adventure that teaches both creatures to broaden their horizons and accept those who might be different from you.
Along the way, they meet a world-weary Pekingese named Peg, voiced by Janelle Monae.
"We all come from so many walks of life and it's like how can we all co-exist, and learn from each other?" said Monae. "How can we experience life together? I think that's what you see. Folks... pups... coming together and trying to survive."
Along with taking over the iconic role and song done in 1955 by Peggy Lee, Monae also brings some new music to the film with the help of Nate "Rocket" Wonder and Roman GianArthur.
"It was great," said Wonder. "The challenge was to listen and watch all the other Disney films and write some music that felt fun. It was awesome."
"I had so much fun working with these two," said Monae. "We've collaborated before on a lot of projects, but to get to play in our inner child and revisit a film that's meant so much to us, come up with original songs for it, was really a dream come true."
"I think it falls in line with all the Disney movies, trying to enforce positive messages of acceptance and loving one another," said GianArthur. "Even with our dirty paws!"
Disney's new live-action adaptation of "Lady and the Tramp" premieres Tuesday, Nov. 12, on Disney+.
Click here to learn more about Disney+.
The Walt Disney Company is the parent company of this station.


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This installation documentation contains instructions for installing P6Spy with various application servers. In addition, it contains general installation instructions for application servers not listed and applications that do not use application servers. Keep in mind that the Unspecified Application Server instructions do not contain details specific to your application server. Use them only as a guideline. If you create instructions for other application servers, send us a copy for possible publication in the documentation.
The installed P6Spy software offers many configuration options. See Common Property File Settings for additional information.
The following instructions were tested with various JBoss versions ranging from JBoss 2.2.2-2.4.4 with Jakarta Tomcat 3.2.2-4.0.1 integration. To install P6Spy on JBoss 2.x, complete the following steps:
Extract the p6spy-install.jar file. The p6spy-install.jar file contains p6spy.jar and spy.properties.- Move the p6spy.jar file to the ext directory. An example of the path to your ext directory is C:\JBoss-2.2.2_Tomcat-3.2.2\jboss\lib\ext.
Move the spy.properties file to the db directory, which is part of the JBoss classpath. An example of the path to your db directory is C:\JBoss-2.2.2_Tomcat-3.2.2\jboss\db.- Modify the jboss.jcml file in the Tomcat conf directory to use the P6Spy driver, by removing your existing driver from the Drivers attribute and replacing it with the P6Spy driver. An example of an edited jboss.jcml file follows:
<mbean code="org.jboss.jdbc.JdbcProvider" name="DefaultDomain:service=JdbcProvider">
<attribute name="Drivers">com.p6spy.engine.spy.P6SpyDriver</attribute>
</mbean>
realdriver = oracle.jdbc.driver.OracleDriver
Installation is complete. When you run your application, a spy.log file is generated in the bin directory of the JBoss server. The log file contains a list of all of the database statements executed. You can change both the destination of spy.log and what it logs by editing the spy.properties file (see Common Property File Settings).
(Contributed by Alan Arvesen, IronGrid)
The following instructions were tested with JBoss 3.0.4 with Jetty integration. For these instructions, P6Spy assumes that you are using the default server residing in JBOSS_DIST\server\default, where JBOSS_DIST is the directory in which JBoss is installed. These instructions are intended for wrapping driver services, not XADataSource services. To install P6Spy on JBoss 3.x, complete the following steps:
Extract the p6spy-install.jar file. The p6spy-install.jar file contains p6spy.jar and spy.properties. Move the p6spy.jar file to the lib directory. An example of the path to your lib directory is C:\java\jboss-3.0.4\server\default\lib. Add spy.properties to your JBoss classpath. By default, the JBoss classpath set up by run.bat only points to tools.jar and run.jar. You may need to add a directory, via JBOSS_CLASSPATH, to this path. An example of an edited JBoss classpath follows:
C:\> set JBOSS_CLASSPATH=C:\java\jboss-3.0.4\server\default\db
C:\> copy C:\java\p6spy\spy.* C:\java\jboss-3.0.4\server\default\db
<attribute name="JndiName">MySqlDS</attribute>
<attribute name="ManagedConnectionFactoryProperties">
<properties>
<config-property name="ConnectionURL" type="java.lang.String">jdbc:mysql://localhost/localdb</config-property>
<config-property name="DriverClass"type="java.lang.String">com.p6spy.engine.spy.P6SpyDriver</config-property>Note: Make sure there is not a service that explicitly loads the wrapped driver. A service of this type will load the specified driver before P6SpyDriver, resulting in unwrapped connections.
realdriver=org.gjt.mm.mysql.Driver
Installation is complete. When you run your application, a log file (spy.log) is generated in the bin directory of the JBoss server. The log file contains a list of all of the database statements executed. You can change both the destination of spy.log and what it logs by editing the spy.properties file (see Common Property File Settings).
The following instructions were tested with Orion. To install P6Spy on Orion, complete the following steps:
<data-source
class="com.evermind.sql.DriverManagerDataSource"
name="Hypersonic"
location="jdbc/HypersonicCoreDS"
xa-location="jdbc/xa/HypersonicXADS"
ejb-location="jdbc/HypersonicDS"
connection-driver="com.p6spy.engine.spy.P6SpyDriver"
username="sa"
password=""
url="jdbc:HypersonicSQL:./database/defaultdb"
inactivity-timeout="30"
/>
java -Dp6.home=c:\orion\orion\lib -jar orion.jar
Installation is complete. When you run your application, a log file (spy.log) is generated in the orion-home directory of the Orion server. The log file contains a list of all of the database statements executed. You can change both the destination of spy.log and what it logs by editing the spy.properties file (see Common Property File Settings).
The following instructions were tested with Jakarta Tomcat 3.x. Note that since you typically write or otherwise obtain your own Connection Pool when using Tomcat, these instructions will differ by application. To install P6Spy on Jakarta Tomcat, complete the following steps:
<init-param><param-name>databaseDriver</param-name><param-value>org.gjt.mm.mysql.Driver</param-value></init-param>
In this above case, the databaseDriver parameter has a value of org.gjt.mm.mysql.Driver, which is the MySQL driver. Wherever this configuration information is stored, change the driver name (org.gjt.mm.mysql.Driver, in our example) to com.p6spy.engine.spy.P6SpyDriver, as in the following example:
<init-param><param-name>databaseDriver</param-name><param-value>com.p6spy.engine.spy.P6SpyDriver</param-value></init-param>
SET TOMCAT_OPTS=-Dp6.home=C:\jakarta-tomcat-3.2.1\webapps\p6\WEB-INF\lib
realdriver = org.gjt.mm.mysql.Driver
Installation is complete. When you run your application, a log file (spy.log) is generated in the directory from which you launched the application. The log file contains a list of all of the database statements executed. You can change both the destination of spy.log and what it logs by editing the spy.properties file (see Common Property File Settings).
(Contributed by François Exertier, JOnAS Opensource EJB Server team)
The following instructions were tested with JOnAS 2.3.x. To install P6Spy on JOnAS EJB, complete the following steps:
datasource.name jdbc_1
datasource.description "Standard jdbc driver for Oracle"
datasource.url jdbc:oracle:thin:scott/tiger@maltes:1521:ORA1
datasource.classname com.p6spy.engine.spy.P6SpyDriver
...
Note: Database access configuration within JOnAS is described in a DataSource property file, such as Oracle1.properties. Refer to the JOnAS Bean Programmer's Guide for more details.
realdriver = oracle.jdbc.driver.OracleDriver
The following sections contain specific information on installing P6Spy on BEA WebLogic Portal 4.0, BEA WebLogic Server 6.1, and BEA WebLogic 5.1.
Note: IBM Cloudscape does not work with P6Spy and BEA WebLogic. However, Cloudscape does work with P6Spy when using the J2EE reference implementation server. The following suggestion was submitted by Adrian Fletcher: "I may be wrong but I suspect the problem with Cloudscape and WebLogic is that both drivers end up registered against the same URL. I seem to remember that the best trick for avoiding this is mangling the URL. If you instruct users to prepend "p6spy:" to their URL and then remove it in your wrapped file, it should work in more cases." You can do this with the useprefix option. If anyone has an opportunity to validate this, please drop us a line with updated information.
(Contributed by Philip Ogren, BEA)
The following instructions were tested with WebLogic Server 6.1 Service Pack 2 with WebLogic Portal 4.0 Service Pack 1 running on Microsoft® Windows® using the following:
WebLogic jDriver for Oracle® Oracle Thin driver for 8.1.7 WebLogic jDriver for Microsoft SQL Server Sybase jConnect-5_2 driverThe default Stockportal (Avitek) application is used in this example. To install P6Spy on BEA WebLogic Portal, complete the following steps:
Extract the p6spy-install.jar file to a temporary directory. The p6spy-install.jar file contains the files p6spy.jar and spy.properties. Move p6spy.jar to bea-home\wlportal4.0\lib\ext, where bea-home is the directory in which BEA WebLogic is installed.- Add ;%P13N_DIR%\lib\ext\p6spy.jar to EXT_CLASSPATH in the set-environment.bat file. set-environment.bat resides in bea-home\wlportal4.0\bin\win32. Do not include any trailing spaces after the new line.
- Move spy.properties to bea-home\wlportal4.0\config\portalDomain or to the application's domain directory.
- Modify the realdriver line in the spy.properties file to reflect your wrapped database driver. An example of a modified realdriver line follows:
realdriver=weblogic.jdbc.oci.Driver
- Add ;%P13N_DIR%\config\portalDomain to the classpath in the startPortal.bat file. The path to startPortal.bat is bea-home\wlportal4.0\config\portalDomain. Do not include any trailing spaces after the new line.
- Modify WebLogic Portal to use the P6Spy driver. Either modify config.xml (which resides in bea-home\wlportal4.0\config\portalDomain) directly or complete the following steps:
- Start WebLogic Portal by running startPortal.bat.
- Start the Administration Console tool by navigating to http://your-host:7501/console, where your-host is the machine on which BEA WebLogic is installed.
- Navigate to the your-domain (where your-domain is the domain name specified during the BEA WebLogic install) -> Services -> JDBC -> Connection Pools node and set the Driver Classname for each Connection Pool to com.p6spy.engine.spy.P6SpyDriver.
- If using RDBMS Security Realm, configure P6Spy to monitor your realms (in this example, commercePool, dataSyncPool, and wlcsRealm) by completing the following steps:
- Using the Administration Console, navigate to the your-domain -> Security -> Realms node.
- Select the security realm.
- Click the Database tab.
- Set the Driver parameter to com.p6spy.engine.spy.P6SpyDriver.
- Using the Administration Console, shut down WebLogic Portal. Right-click on the your-domain->Servers->your-server node and select Stop this Server from the pop-up menu.
- Restart WebLogic Portal by running startPortal.bat.
Installation is complete. When you run your application, a log file (spy.log) is generated in bea-home\wlportal4.0. The log file contains a list of all of the database statements executed. You can change both the destination of spy.log and what it logs by editing the spy.properties file (see Common Property File Settings).
(Contributed by Philip Ogren, BEA)
The following instructions were tested with WebLogic Server 6.1 Service Pack 2 with WebLogic Portal 4.0 Service Pack 1 running on Microsoft Windows using the following:
WebLogic jDriver for Oracle Oracle Thin driver for 8.1.7 WebLogic jDriver for Microsoft SQL Server Sybase jConnect-5_2 driveTo install P6Spy on BEA WebLogic Server, complete the following steps:
Extract the p6spy-install.jar file to a temporary directory. The p6spy-install.jar file contains the files p6spy.jar and spy.properties. Move p6spy.jar to bea-home\wlserver6.1\lib\ext, where bea-home is the directory in which BEA WebLogic is installed.- Move spy.properties to bea-home\wlserver6.1\config\your-domain, where your-domain is the domain name specified during the BEA WebLogic install.
- Modify the realdriver line in the spy.properties file to reflect your wrapped database driver. An example of a modified realdriver line follows:
realdriver=weblogic.jdbc.oci.Driver
- Add ;.\lib\ext\p6spy.jar;.\config\your-domain to the classpath in the startWebLogic.cmd file. startWebLogic.cmd resides in bea-home\wlserver6.1\config\your-domain. Do not include any trailing spaces after the new line. This adds p6spy.jar and spy.properties to the classpath.
- Modify WebLogic Server to use the P6Spy driver. Either modify config.xml (which resides in bea-home\wlserver6.1\config\your-domain) directly or complete the following steps:
- Start WebLogic Server by running startWebLogic.cmd.
- Start the Administration Console tool by navigating to http://<your-host>:7501/console.
- Navigate to the your-domain -> Services -> JDBC -> Connection Pools node and set the Driver Classname for each Connection Pool to com.p6spy.engine.spy.P6SpyDriver.
- If using RDBMS Security Realm, configure P6Spy to to monitor your realms (in this example, commercePool, dataSyncPool, and wlcsRealm) by completing the following steps:
- Using the Administration Console, navigate to the your-domain -> Security -> Realms node.
- Select the security realm.
- Click the Database tab.
- Set the Driver parameter to com.p6spy.engine.spy.P6SpyDriver.
- Using the Administration Console, shut down WebLogic Server. Right-click on the your-domain -> Servers -> your-server node and select Stop this Server from the pop-up menu.
- Restart WebLogic Portal by running startWebLogic.cmd.
Installation is complete. When you run your application, a log file (spy.log) is generated in bea-home\wlserver6.1. The log file contains a list of all of the database statements executed. You can change both the destination of spy.log and what it logs by editing the spy.properties file (see Common Property File Settings).
(Contributed by Richard Delbert)
The following instructions were tested with WebLogic 5.1. To install P6Spy on BEA WebLogic, complete the following steps:
Extract the p6spy-install.jar file. The p6spy-install.jar file contains p6spy.jar and spy.properties. Edit startWeblogic.sh, by putting p6spy.jar in the JAVA_CLASSPATH. Edit startWeblogic.sh, by putting spy.properties in the JAVA_CLASSPATH. Edit weblogic.properties (Connection Pool), by replacing the JDBC class driver with com.p6spy.engine.spy.P6SpyDriver. Modify the realdriver line in the spy.properties file to reflect your wrapped database driver. An example of a modified realdriver line follows:
realdriver = oracle.jdbc.driver.OracleDriverInstallation is complete. When you run your application, a log file (spy.log) is generated in the WebLogic home directory. The log file contains a list of all of the database statements executed. You can change both the destination of spy.log and what it logs by editing the spy.properties file (see Common Property File Settings).
The following instructions were tested with ATG Dynamo 5.1. To install P6Spy on ATG Dynamo, complete the following steps:
Note: The default user/pass is admin/admin.
realdriver = oracle.jdbc.driver.OracleDriver
Change this to reflect your database. An example of a modified realdriver line for ATG demo follows:
realdriver = solid.jdbc.SolidDriver
An example setup follows:
URL:
jdbc:solid://localhost:1313
driver: com.p6spy.engine.spy.P6SpyDriver
database:
server: localhost:1313
server name:
user name: admin
password: admin
confirm password: admin
Installation is complete. When you run your application, a log file (spy.log) is generated in the C:\ATG\Dynamo5.1\home directory. The log file contains a list of all of the database statements executed. You can change both the destination of spy.log and what it logs by editing the spy.properties file (see Common Property File Settings).
(Contributed by Michael Sgroi)
The following instructions were tested with Sun iPlanet 6.0 Service Pack 3 and should work for any release of iPlanet 6.0.  An example follows:
<ias-resource>
<resource>
<jndi-name>jdbc/yourapp/ora-type4-spy</jndi-name>
<jdbc>
<driver-type>spy</driver-type>
<database-url>jdbc:oracle:thin:@localhost:1521:orcl</database-url>
<username>user</username>
<password>password</password>
</jdbc>
</resource>
</ias-resource>
(For more details on parameters passed to iasdeploy and the format of config_filename, refer to the iPlanet documentation.)
Installation is complete. When you run your application, a spy.log file is generated. The log file contains a list of all of the database statements executed. You can change both the destination of spy.log and what it logs by editing the spy.properties file (see Common Property File Settings).
The following instructions were tested with IBM WebSphere 4.0.
Note: Before installing, make sure your JDBC driver is configured in your target application server as a DataSource.
To install P6Spy on IBM WebSphere, complete the following steps:
DatabaseName
Default User
Default Password
port 3306
serverName myhost
Server Class Path = path_to_p6spy.jar
Name = P6SpyDriver
Description = P6Spy JDBC tracing driver
Implementation Classname = com.p6spy.engine.spy.P6ConnectionPoolDataSource
realdatasource=RealMySqlDS
prealdatasourceclass=com.mysql.jdbc.jdbc2.optional.MysqlDataSourcerealdatasourceproperties=port;3306,serverName;myhost
Note: The items in realdatasourceproperties are the items that you recorded from the Driver Specific properties in your original DataSource configuration.
realdriver=com.mysql.Driver
Installation is complete. When you run your application, a spy.log file is generated. The log file contains a list of all of the database statements executed. You can change both the destination of spy.log and what it logs by editing the spy.properties file (see Common Property File Settings).
(Contributed
by Hadi Nahari, RadonSoft)
The following instructions were tested with Resin 2.1.x. Note that since you
typically write or otherwise obtain your own Connection Pool when using Resin,
these instructions will differ by application. To install P6Spy on Resin,
complete the following steps:
<init-param>
<param-name>db.driver</param-name>
<!-- mysql (mm driver) -->
<param-value>org.gjt.mm.mysql.Driver</param-value>
</init-param>
In the above case, the db.driver parameter has a value of org.gjt.mm.mysql.Driver, which is the MySQL driver. Wherever this configuration information is stored, change the driver name (org.gjt.mm.mysql.Driver, in our example) to com.p6spy.engine.spy.P6SpyDriver, as in the following example:
<init-param>
<param-name>db.driver</param-name>
<!-- mysql (mm driver) -->
<param-value>com.p6spy.engine.spy.P6SpyDriver</param-value>
</init-param>
realdriver = org.gjt.mm.mysql.Driver
C:\resin-2.1.6\bin\httpd
- -Dp6.home=C:\resin-2.1.6\webapps\your_app_name\WEB-INF\lib
The following installation instructions are intended for use with application servers not listed above and applications that do not use application servers. To install P6Spy, complete the following steps:
CLASSPATH=c:\p6spy\p6spy.jar
Note: If you are using an EJB server, adding the p6spy.jar file to your classpath may not work. Some EJB servers ignore the classpath, setting their own on startup.
realdriver = oracle.jdbc.driver.OracleDriver
|
|


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Preparation time
less than 30 mins
Cooking time
less than 10 mins
Serves
Serves 4
A simple dish of grilled squid with a quick-and-easy mayonnaise. This dish would make a speedy light lunch or a starter for an informal dinner party.
To make the mayonnaise, blanch the watercress in a large saucepan of boiling water for 2 minutes. Drain and refresh under cold running water until completely cool. Squeeze out any excess water. Blend the watercress in a bowl with the remaining ingredients plus salt and freshly ground black pepper, using a hand-held blender, until you have a smooth mayonnaise.
Preheat a griddle pan over a medium-high heat. Season the squid with salt and pepper and drizzle with the oil, then cook on the hot griddle for 2 minutes (it should curl and go dark and sticky on the outside). Turn the squid and cook for a further minute.
Meanwhile, mix half the lemon juice with the red chillies. Remove the griddle from the heat and pour the lemon and chilli mixture over the squid.
To serve, put a handful of rocket and watercress on each of four plates. Place the squid on top, pour over the remaining lemon juice and serve with a spoonful of mayonnaise.


object KlarnaPaymentsSDK
Top level access point for Klarna Payments.
initialize
fun initialize(app: Application): Unit
Call from within your Application.onCreate to initialize the SDK. This needs only be called once.


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Namespace McMaster.Extensions.CommandLineUtils
Classes
AllowedValuesAttribute
Specifies a set of allowed values and a comparer used to determine if a value is in that set.
By default, value comparison is case-sensitive. To ensure case matches exactly, set IgnoreCase to false
.
ArgumentAttribute
Represents one or many positional command line arguments. Arguments are parsed based the Order given. Compare to OptionAttribute.
ArgumentEscaper
A utility for escaping arguments for new processes.
CommandArgument
Represents one or many positional command line arguments. Arguments are parsed in the order in which Arguments lists them. Compare to CommandOption.
CommandArgument<T>
Represents one or many positional command line arguments.
Arguments are parsed in the order in which Arguments lists them.
Compare to CommandOption. The raw value must be
parsable into type T
CommandAttribute
Represents a command line application using attributes to define options and arguments.
CommandLineApplication
Describes a set of command line arguments, options, and execution behavior. CommandLineApplication can be nested to support subcommands.
CommandLineApplication<TModel>
Describes a set of command line arguments, options, and execution behavior
using a type of TModel
to model the application.
CommandLineApplicationExtensions
Helper methods for CommandLineApplication.
CommandOption
Represents one or many command line option that is identified by flag proceeded by '-' or '--'. Options are not positional. Compare to CommandArgument.
CommandOption<T>
Represents one or many command line option that is identified by flag proceeded by '-' or '--'.
Options are not positional. Compare to CommandArgument<T>. The raw value must be
parsable into type T
CommandParsingException
The exception that is thrown when command line arguments could not be parsed.
ConsoleExtensions
Helper methods for IConsole.
ConsoleReporter
A thread-safe reporter that forwards to console output.
ConventionBuilderExtensions
Methods for adding commonly used conventions
DebugHelper
Helps handle debug command-line arguments.
DirectoryExistsAttribute
Specifies that the data must be an already existing directory, not a file.
DotNetCliContext
APIs related to .NET Core CLI.
DotNetExe
Utilities for finding the "dotnet.exe" file from the currently running .NET Core application.
FileExistsAttribute
Specifies that the data must be an already existing file, not a directory.
FileOrDirectoryExistsAttribute
Specifies that the data must be an already existing file or directory.
HelpOptionAttribute
The option used to determine if help text should be displayed. This should only be used once per command line app.
LegalFilePathAttribute
Specifies that a value must be a legal file path.
NullConsole
An implementation of IConsole that does nothing.
NullReporter
A reporter that does nothing.
OptionAttribute
Represents one or many command line option that is identified by flag proceeded by '-' or '--'. Options are not positional. Compare to ArgumentAttribute.
OptionAttributeBase
Common option properties.
PhysicalConsole
An implementation of IConsole that wraps System.Console.
Prompt
Utilities for getting input from an interactive console.
SubcommandAttribute
Represents a subcommand.
ValidateMethodConvention
Invokes a method named "OnValidate" on the model type after parsing.
ValidationExtensions
Extension methods for adding validation rules to options and arguments.
VersionOptionAttribute
The option used to determine if version text should be displayed.
VersionOptionFromMemberAttribute
The option used to determine if version info should be displayed. The value for the version information is provided by the properties or members specified.
Interfaces
IConsole
An abstract console.
IReporter
Gathers messages with levels.
Enums
CommandOptionType
Defines the kinds of inputs CommandOption accepts.
ResponseFileHandling
Specifies options for how to handle response files. The parser treats arguments beginning with '@' as a file path to a response file.
A response file contains additional arguments that will be treated as if they were passed in on the command line. Response files can have comments that begin with the # symbol. You cannot use the backslash character () to concatenate lines.


An export template consists of a string of characters. Some parts of this string are placeholders (beginning with "%", "$" or "\") that are replaced by the actual term data, see the following table. For each term (word or expression), that has been selected for export, the placeholders of the export template will be replaced by the term data and the string will be written to the export file.
A template must end with either "\n" (UNIX, Mac) or "\r\n" (Windows). If you omit this, the whole export will be one single line!
If the export template is empty, no terms of this language will be exported.
| Placeholders | Placeholders replaced by ... |
|---|---|
| %... | Raw Text |
| %w | Term (Word/Expression) - as raw text. |
| %t | Translation - as raw text. |
| %s | Sentence, curly braces removed - as raw text. |
| %c | The sentence, but the "{xxx}" parts are replaced by "[...]" (cloze test question) - as raw text. |
| %d | The sentence, but the "{xxx}" parts are replaced by "[xxx]" (cloze test solution) - as raw text. |
| %r | Romanization - as raw text. |
| %a | Status (1..5, 98, 99) - as raw text. |
| %k | Term in lowercase (key) - as raw text. |
| %z | Tag List - as raw text. |
| %l | Language - as raw text. |
| %n | Word Number in LWT (key in table "words") - as raw text. |
| %% | Just one percent sign "%". |
| $... |
HTML Text. HTML special characters are escaped: < = < / > = > / & = & / " = " |
| $w | Term (Word/Expression) - as HTML text. |
| $t | Translation - as HTML text. |
| $s | Sentence, curly braces removed - as HTML text. |
| $c | The sentence, but the "{xxx}" parts are replaced by "[...]" (cloze test question) - as HTML text. |
| $d | The sentence, but the "{xxx}" parts are replaced by "[xxx]" (cloze test solution) - as HTML text. |
| $x | The sentence in Anki2 cloze test notation: the "{xxx}" parts are replaced by "{{c1::xxx}}" - as HTML text. |
| $y | The sentence in Anki2 cloze test notation, with translation: the "{xxx}" parts are replaced by "{{c1::xxx::translation}}" - as HTML text. |
| $r | Romanization - as HTML text. |
| $k | Term in lowercase (key) - as HTML text. |
| $z | Tag List - as HTML text. |
| $l | Language - as HTML text. |
| $$ | Just one dollar sign "$". |
| \... | Special Characters |
| \t | TAB character (HEX 9). |
| \n | NEWLINE character (HEX 10). |
| \r | CARRIAGE RETURN character (HEX 13). |
| \\ | Just one backslash "\". |


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public class Form
extends java.lang.Object
| Constructor and Description |
|---|
Form(DataForm.Type type)
Creates a new Form of a given type from scratch.
|
Form(DataForm dataForm)
Creates a new Form that will wrap an existing DataForm.
|
| Modifier and Type | Method and Description |
|---|---|
void |
addField(FormField field)
Adds a new field to complete as part of the form.
|
Form |
createAnswerForm()
Returns a new Form to submit the completed values.
|
DataForm |
getDataFormToSend()
Returns a DataForm that serves to send this Form to the server.
|
FormField |
getField(java.lang.String variable)
Returns the field of the form whose variable matches the specified variable.
|
java.util.List<FormField> |
getFields()
Returns a List of the fields that are part of the form.
|
static Form |
getFormFrom(org.jivesoftware.smack.packet.Stanza packet)
Returns a new ReportedData if the stanza(/packet) is used for gathering data and includes an
extension that matches the elementName and namespace "x","jabber:x:data".
|
java.lang.String |
getInstructions()
Returns the instructions that explain how to fill out the form and what the form is about.
|
java.lang.String |
getTitle()
Returns the description of the data.
|
DataForm.Type |
getType()
Returns the meaning of the data within the context.
|
void |
setAnswer(java.lang.String variable,
boolean value)
Sets a new boolean value to a given form's field.
|
void |
setAnswer(java.lang.String variable,
double value)
Sets a new double value to a given form's field.
|
void |
setAnswer(java.lang.String variable,
float value)
Sets a new float value to a given form's field.
|
void |
setAnswer(java.lang.String variable,
int value)
Sets a new int value to a given form's field.
|
void |
setAnswer(java.lang.String variable,
java.util.List<java.lang.String> values)
Sets a new values to a given form's field.
|
void |
setAnswer(java.lang.String variable,
long value)
Sets a new long value to a given form's field.
|
void |
setAnswer(java.lang.String variable,
java.lang.String value)
Sets a new String value to a given form's field.
|
void |
setDefaultAnswer(java.lang.String variable)
Sets the default value as the value of a given form's field.
|
void |
setInstructions(java.lang.String instructions)
Sets instructions that explain how to fill out the form and what the form is about.
|
void |
setTitle(java.lang.String title)
Sets the description of the data.
|
public Form(DataForm dataForm)
dataForm
- the data form used for gathering data.public Form(DataForm.Type type)
type
- the form's type (e.g. form, submit,cancel,result).public static Form getFormFrom(org.jivesoftware.smack.packet.Stanza packet)
packet
- the stanza(/packet) used for gathering data.public void addField(FormField field)
field
- the field to complete.public void setAnswer(java.lang.String variable, java.lang.String value)
If the value to set to the field is not a basic type (e.g. String, boolean, int, etc.) you can use this message where the String value is the String representation of the object.
variable
- the variable name that was completed.value
- the String value that was answered.java.lang.IllegalStateException
- if the form is not of type "submit".java.lang.IllegalArgumentException
- if the form does not include the specified variable or
if the answer type does not correspond with the field type..public void setAnswer(java.lang.String variable, int value)
variable
- the variable name that was completed.value
- the int value that was answered.java.lang.IllegalStateException
- if the form is not of type "submit".java.lang.IllegalArgumentException
- if the form does not include the specified variable or
if the answer type does not correspond with the field type.public void setAnswer(java.lang.String variable, long value)
variable
- the variable name that was completed.value
- the long value that was answered.java.lang.IllegalStateException
- if the form is not of type "submit".java.lang.IllegalArgumentException
- if the form does not include the specified variable or
if the answer type does not correspond with the field type.public void setAnswer(java.lang.String variable, float value)
variable
- the variable name that was completed.value
- the float value that was answered.java.lang.IllegalStateException
- if the form is not of type "submit".java.lang.IllegalArgumentException
- if the form does not include the specified variable or
if the answer type does not correspond with the field type.public void setAnswer(java.lang.String variable, double value)
variable
- the variable name that was completed.value
- the double value that was answered.java.lang.IllegalStateException
- if the form is not of type "submit".java.lang.IllegalArgumentException
- if the form does not include the specified variable or
if the answer type does not correspond with the field type.public void setAnswer(java.lang.String variable, boolean value)
variable
- the variable name that was completed.value
- the boolean value that was answered.java.lang.IllegalStateException
- if the form is not of type "submit".java.lang.IllegalArgumentException
- if the form does not include the specified variable or
if the answer type does not correspond with the field type.public void setAnswer(java.lang.String variable, java.util.List<java.lang.String> values)
The Objects contained in the List could be of any type. The String representation of them (i.e. #toString) will be actually used when sending the answer to the server.
variable
- the variable that was completed.values
- the values that were answered.java.lang.IllegalStateException
- if the form is not of type "submit".java.lang.IllegalArgumentException
- if the form does not include the specified variable.public void setDefaultAnswer(java.lang.String variable)
variable
- the variable to complete with its default value.java.lang.IllegalStateException
- if the form is not of type "submit".java.lang.IllegalArgumentException
- if the form does not include the specified variable.public java.util.List<FormField> getFields()
public FormField getField(java.lang.String variable)
variable
- the variable to look for in the form fields.public java.lang.String getInstructions()
public java.lang.String getTitle()
public DataForm.Type getType()
public void setInstructions(java.lang.String instructions)
instructions
- instructions that explain how to fill out the form.public void setTitle(java.lang.String title)
title
- description of the data.public DataForm getDataFormToSend()
public Form createAnswerForm()
The reason why the fields with variables are included in the new form is to provide a model for binding with any UI. This means that the UIs will use the original form (of type "form") to learn how to render the form, but the UIs will bind the fields to the form of type submit.


Creating Publication Quality Graphics in R
Tim Appelhans and Florian Detsch
Last modified: 2017-10-24
Preface
This tutorial was initially developed as part of a one-day workshop held within the Ecosystem Informatics PhD program at the University of Marburg. It has constantly evolved over the years and has lately become an annual course in the event calendar of the MArburg University Research Academy (MARA). Hence, it is still being updated regularly and its contents presented hereinafter are published under the creative commons license ‘Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)’.
The tutorial was originally provided as one big document, but for easier digestion of the content, we have decided to break it into several smaller bits. We hope you find parts of this tutorial, if not all of it useful.
Comments, feedback, suggestions and bug reports are always welcome and should be directed to florian.detsch{at}staff.uni-marburg.de.
In this workshop we will
- learn a few things about handling and preparing our data for the creation of meaningful graphs;
- quickly introduce the two main ways of plot creation in R - base graphics and grid graphics (we will mostly concentrate on the latter later on);
- become familiar with the two main packages for highly flexible data visualization in R - lattice (Sarkar 2008) and ggplot2 (Wickham 2009);
- learn how to modify the default options of these packages in order to really get what we want;
- learn even more flexibility using the grid package to (i) create visualizations comprising multiple plots on one page and (ii) manipulate existing plots to suit our needs; and
- learn how to save our visualizations in different formats that comply with general publication standards of most academic journals.
TIP: If you study the code provided in this tutorial closely, you will likely find some additional programming gems here and there which are not specifically introduced in this workshop (such as the first few lines of code in Section 1 ;-)).
In this workshop it is assumed that you
- already know how to get your data into R (
read.table()
etc.); - have a basic understanding how particular parts of your data can be accessed (
$
,[
- in case you do not know what these special characters mean in an R sense, you might want to start at a more basic level, e.g. here); and - are familiar with the notion of object creation and assignment (using either
<-
or=
).
Note, however, that this workshop is not about statistics (we will only be marginally exposed to very basic statistical principles).
Before we start, we would like to highlight a few useful web resources for finding help in case you get stuck with a particular task:
- First and foremost, Google is your friend - for R related questions just type something like “r lattice how to change plot background color”. The crux here is that you provide both the programming language (i.e. R) and the name of the package your question is related to (i.e. lattice). This way you will very likely find useful answers (the web is full of knowledgeable geeks).
- Using Google in this way, you will most likely end up at StackOverflow at some stage. This is a very helpful platform for all sorts of programming issues with an ever increasing contribution of the R community.
- For quick reference on the most useful basic functionality of R, use http://www.statmethods.net.
- Rseek is a search site dedicated exclusively to R-related stuff.
- R-Bloggers is a nice site that provides access to all sorts of blog sites dedicated to R from all around the world (in fact, a lot of the material of this workshop is derived from posts found there).
- Another great tutorial on how to prepare publication quality graphics can be found here. This tutorial also uses R as the data analysis tool of choice, but it goes a fair bit further using additional software such as InkScape for the final touches of the graphics.
- Another resource for creating visualizations, with a particular focus on climatological and atmospheric applications, using R can be found at http://metvurst.wordpress.com
- To see what we are usually up to at Environmental Informatics Marburg, we refer the interested reader to our homepage.
Finally, please note that we adhere to the format conventions introduced by Xie (2016) in his introductory book about the R bookdown package. Accordingly, we do not add prompts (>
and +
) to the R source code presented herein, and text output is commented out with two hashes (##
) by default, for example:
cat("Hello world.\n")
## Hello world.
This is meant to facilitate copying and running the code, while the text output will be automatically ignored since it is commented out. Package names are in bold text (e.g., grid), and inline code and file names are formatted in a typewriter font (e.g., grid::upViewport(0)
). Function names are followed by parentheses (e.g., grid::viewport()
). The double-colon operator ::
means accessing a function from a particular package.
References
Sarkar, Deepayan. 2008. lattice: Multivariate Data Visualization with R. Use R! New York: Springer. doi:10.1007/978-0-387-75969-2.
Wickham, Hadley. 2009. ggplot2: Elegant Graphics for Data Analysis. Use R! Springer-Verlag New York. doi:10.1007/978-0-387-98141-3.
Xie, Yihui. 2016. bookdown: Authoring Books and Technical Documents with R Markdown. Chapman & Hall/CRC the R. CRC Press.


DefDAP is a Python package which is designed to allow combined analysis of EBSD and DIC data together.
Index
Module Index
Search Page
Introduction to DefDAP


Created by: {{data.owner.id}} · {{data.tracks.total}} songs · {{ total_duration | displaytime }}
| TRACK | ARTIST | TIME | ALBUM | ADDED | USER |
|---|---|---|---|---|---|
| {{t.track.name}} | {{t.track.artists[0].name}} | {{ t.track.duration_ms | displaytime }} | {{t.track.album.name}} | {{t.added_at | timeago}} | {{t.added_by.id}} |


[gecode-users] Clockwise constraint
Malcolm Ryan
malcolmr at cse.unsw.edu.au
Mon Jun 2 09:12:18 CEST 2008
What I need is a reified version of the pairwise rel(). Then I could
say:
a < c --> a < b < c
b < a --> b < c < a
c < b --> c < a < b
Since there is no value of 'a' that satisfies c < a < b, it would have
to deduce that b < c.
Representing this as (c < a) and (a < b) is not good enough, as there
are possible values of 'a' to satisfy each of the inequalities
individually, just not both together.
On 02/06/2008, at 4:10 PM, Malcolm Ryan wrote:
> I want to make a constraint which represents the order of three values
> around a ring.
>
> Eg: if we have a,b,c \in {1,2,3,4} then I want to represent the
> constraint:
>
> clockwise(a,b,c) == (a < b < c) or (b < c < a) or (c < a < b)
>
> I can construct this directly using BExprs, but the use of 'or' means
> that it doesn't propagate very well. Eg:
>
> BExpr beLessAB = new BExpr(a, IntRelType.IRT_LE, b);
> BExpr beLessBC = new BExpr(b, IntRelType.IRT_LE, c);
> BExpr beLessCA = new BExpr(c, IntRelType.IRT_LE, a);
>
> BExpr beABC = new BExpr(beLessAB).and(beLessBC);
> BExpr beBCA = new BExpr(beLessBC).and(beLessCA);
> BExpr beCAB = new BExpr(beLessCA).and(beLessAB);
>
> BExpr clockwise = beABC.or(beBCA).or(beCAB);
>
> Gecode.post(test, clockwise);
> Gecode.rel(test, test.a, IntRelType.IRT_NE, 2);
> Gecode.rel(test, test.a, IntRelType.IRT_NE, 3);
> Gecode.rel(test, test.b, IntRelType.IRT_NE, 1);
> Gecode.rel(test, test.b, IntRelType.IRT_NE, 4);
> Gecode.rel(test, test.c, IntRelType.IRT_NE, 1);
> Gecode.rel(test, test.c, IntRelType.IRT_NE, 4);
>
> Will give a = {1,4}, b = [2..3], c = [2..3] when it should be able to
> deduce that b = 2, c = 3. Is there any other way to represent this so
> that the propagation works better?
>
> Malcolm
>
>
> _______________________________________________
> Gecode users mailing list
> users at gecode.org
> https://www.gecode.org/mailman/listinfo/gecode-users
More information about the gecode-users
mailing list


Raon Whitehat
Core Research Team
© 2020
member_profile
member
core_research_team
about
Apr 2, 2020
test
markdown test


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17-313: Foundations of Software Engineering
Recitation 8: static analysis and continuous integration
Static and dynamic analysis tools help you keep the codebase healthy. In this recitation, we will learn how to set up these tools in CI (GitHub Actions).
Step 1: Setup your sample Python repo
First, go to this template repo and use it to create your own repo. The repo is very similar to the HW4 repo, except that it comes with a failing test.
You already learned that it’s a big no-no to push directly to main
. We can actually enforce this using branch
protect rules. Read the docs to understand what they are, and set the following rules:
- Requires a pull request before merging to
main
- Requires tests to pass before merging to
main
:- Search for the job name in the required checks (i.e.
test
in this case.) You may need to save the settings first before this search box appears.
- Search for the job name in the required checks (i.e.
Your setting should look like this:
The failing test cases ❌ wouldn’t have been there if I had these rules enabled in the first place. Now, let’s fix our failing test.
Step 2: Fix the broken CI
The ❌ really shouldn’t have been there in the first place if I had these rules enabled. Now let’s fix
it. Branch off from main
and create a PR
to fix the broken CI.
Take a look in the Actions page to see which test is failing. Branch off from main
and create a PR to fix the broken CI.
(the fix should be VERY simple!)
The test
job should pass on your PR. Click
“Squash and merge”* to merge after the status checks pass.
*: It’s just a lot cleaner than the default merge.
HINT: If you are really stuck on how to fix, click here
Step 3: Make your code pretty
Different tab sizes driving you crazy? Let’s use a tool to standardize them all. A code formatter, a static analysis tool, helps one identify and fix formatting issues in the codebase. Let’s use black as an example.
First, create another branch for setting up a code formatter.
Then, run the following commands to install it locally and try running it:
pipenv install --dev black
:black
is only a development dependency.  - Observe some files on the list.
- Runs
pipenv run black .
:- This will actually change the files.
- Run
git diff
to observe the file changes.
Using CI, we can enforce formatting requirements using the same GH Actions + status checks. For popular tools, someone has done it before, and you can reuse their workflow.
- Go to this existing
black
Actions on GH Marketplace - Click “Use lastest version” to see what needs to be added to
.github/workflows/main.yml
- Add another job called “format” to the
main.yml
file to useblack
to check the file formatting - Push your formatted files to the branch and observe
format
passes. - Squash and merge the PR
Step 4: Add test coverage to the CI workflow
Finally, you can also do some dynamic analysis. Since we are already using pytest
, let’s use pytest-cov
, a plugin that reports
test coverage.
First, install and try to use it locally:
- Create another branch
- Install
pytest-cov
locally:pipenv install --dev pytest-cov
- Runs
pytest
with coverage report:pipenv run pytest --cov=app
Now, let’s add another job in the workflow for reporting coverage:
- From the
test
workflow, copy the steps beforepytest
- Now, run
pipenv run pytest --cov=app
to report coverage - Push and observe the new check running
Bonus: report coverage in PRs
The coverage job doesn’t really add much to the workflow now since it doesn’t fail. Without being too strict about coverage, we can at least display the coverage status in the PR.
Somebody has already done it, so we can use it in our repo too. Hint: you should only need the last two steps in the workflow.
Note that this action will only run on pull request-based workflows, so you will need to modify your triggers.
If set up, the job will automatically comment on PRs with the coverage info:


| HYTOOL Function Reference |
Import IGME csv file from the low permeability testing unit.
igmeread(input,location,jpgfile,plotq) MANDATORY ARGUMENT: input = base name for the csv file OPTIONAL ARGUMENTS: location = text that appears in the title of the figure jpgfile = name of the JPEG file in which the figure is saved plotq = allows to decide wether the figure must contain a plot of the flow rates plotq = 0 - no flow rate is displayed plotq = 1 - the flow rate is displayed
The function allows to read the csv file that is produced by the data acquisition of the hydrogeological testing unit of IGME. The result of the function are two plots of the data as a function of time, either in date and time units, or in seconds since the begininig of the recording. The most important data (time, head in the test section, flow rate, dates) are exported to the matlab workspace in the vectors t, h, q, and d. Finally a JPEG figure is automatically produced for reporting. Note that only the first argument in the function call is required, the three other arguments are optionnals.
igmeread( 'cv2s1p1' ) igmeread( 'cv2s1p1', 'Cadalso de los Vidrios' ) igmeread( 'cv2s1p1', 'Cadalso de los Vidrios','cv2.jpg', 1 ) igmeread( 'cv2s1p1', 'Cadalso', 'cv2s2p1.jpg', 0);
ldf, csvread Published output in the Help browser showdemo igmeread
| Hytool |
© 1998-2017 Philppe Renard and Co. Terms of Use Acknowledgments


Section 38 Time Series
pandas has simple, powerful, and efficient functionality for performing resampling operations during frequency conversion (e.g., converting secondly data into 5-minutely data). This is extremely common in, but not limited to, financial applications.
= pd.date_range('1/1/2012', periods=100, freq='S') rng
= pd.Series(np.random.randint(0, 500, len(rng)), index=rng) ts
'5Min').sum() ts.resample(
Time zone representation:
= pd.date_range('3/6/2012 00:00', periods=5, freq='D') rng
= pd.Series(np.random.randn(len(rng)), rng) ts
ts
= ts.tz_localize('UTC') ts_utc
ts_utc
Converting to another time zone:
'US/Eastern') ts_utc.tz_convert(
Converting between time span representations:
= pd.date_range('1/1/2012', periods=5, freq='M') rng
= pd.Series(np.random.randn(len(rng)), index=rng) ts
ts
= ts.to_period() ps
ps
ps.to_timestamp()
Converting between period and timestamp enables some convenient arithmetic functions to be used. In the following example, we convert a quarterly frequency with year ending in November to 9am of the end of the month following the quarter end:
= pd.period_range('1990Q1', '2000Q4', freq='Q-NOV') prng
= pd.Series(np.random.randn(len(prng)), prng) ts
= (prng.asfreq('M', 'e') + 1).asfreq('H', 's') + 9 ts.index
ts.head()


Innovation is the key to making you and your organization stronger.


Quantum Reax Baitcast Reel
Dimension Low Profile Baitcast Reel
Quantum Catalyst spinning Reel
Alpha Spinning Reel
Quantum Accurist PT Baitcaster
Quantum Kinetic Baitcast Reel
Quantum Tour Baitcast Reel


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net.corda.core.crypto.
CompositeKey.Leaf
net.corda.core.crypto.
CompositeKey.Node
net.corda.core.crypto.
PartialMerkleTree.PartialTree
net.corda.core.crypto.
PartialTree.IncludedLeaf
net.corda.core.crypto.
PartialTree.Leaf
net.corda.core.crypto.
PartialTree.Node
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DummyPublicKey
net.corda.core.crypto.
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net.corda.core.crypto.
SecureHashKt
net.corda.core.crypto.
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net.corda.core.crypto.
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net.corda.core.serialization.
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net.corda.core.crypto.
DigitalSignature
net.corda.core.crypto.
DigitalSignature.WithKey
net.corda.core.crypto.
DigitalSignature.LegallyIdentifiable
net.corda.core.crypto.
NullSignature
net.corda.core.crypto.
SecureHash
net.corda.core.crypto.
SecureHash.SHA256
net.corda.core.crypto.
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<T>
net.corda.core.crypto.
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net.corda.core.crypto.
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net.corda.core.crypto.
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net.corda.core.crypto.
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Thank you for helping tune the performance of the MYOB Live servers. This test
will only take one or two minutes to run. Click the button below it will let you know when its done.
The MYOB Live team.
Half way there, won't be a moment now...
The test is now complete. Thank you for helping to make business life easier.


Enabling notarization updates
Background
Alice decided to create an account that represents the notarized digital asset uniquely. You could have the track of the updates done by announcing transactions to the same account.
Solution
1. Edit the txt file you are notarizing, changing the text to “Lorem Ipsum”.
2. Open the Notarization dashboard in your browser and notarize the edited file. Use as the address to send the notarization the account created in the previous module. Then, sign the notarization with Alice’s private key.
3. Once confirmed, go to Get transactions
tab. Use the document’s account public key to fetch all the transactions. You should see two transactions.
Concerns
You have sent your transaction to an account that represents the notarization. See that everybody in the network is able to send transactions to this account.
How do we know who is the owner of the asset, or who is allowed to perform updates?
This logic is kept off-chain. You could state an address in the first message. Only messages written from that account are valid. Another possibility could be that only transactions sent from the asset account are valid.
ℹ Future versions will add the possibility to block transactions from specified accounts. Right now the best way to achieve it is to filter the transactions off-chain.


appendSeq(aSequence)
Appends aSequence to the hash calculation. Returns self.
md5
Completes the MD5 calculation and returns the hash as a Buffer. Once this method is called, append() should not be called again on the receiver or it will raise an exception.
md5String
Returns a string containing a hexadecimal representation of the md5 hash.
|


from britt benson. 22 years old boy Abidjan -Cote d.Ivoire EMAIL<EMAIL_ADDRESS>Dear, It is my pleasure to contact you for a business venture which I intend to establish in your country. Though I have not met with you before but I believe, one has to risk confiding in someone to succeed sometimes in life. There is this amount of $6.Million United States Dollar. which my late father deposited with a bank here in Abidjan Capital city of Cote D'Ivoire which he wanted to used for his political reason in our Country before he was assassinated. Now I have decided to invest these money in your country or any where safe enough outside Africa for security and political reasons. i want you to send me your bank detals were this fund will be transferd into so that as soon as the money gets to your acount i will be coming over to your country to finish my education and also the investment of the money while you will be the maneger of the investment ontill i finish my education, I will like to invest part of the money into these three investment in your Country but, if there is any other business that is better than what I am suggestion, I will be very glad to follow your advice. 1). Real estate 2). The transport industry 3). Five star hotel If you can be of an assistance to me i will be pleased to offer you 20% Of the total fund while the balance will be invested by you. I await your soonest response,please reply with this<EMAIL_ADDRESS>Respectfully yours, britt benson _________________________________________________________________ Ten : profite de ton Messenger en illimité sur ton mobile ! http://mobile.live.fr/messenger/ten/


BEDAZZLED RATING: 6.5/10 --> So-so
For more reviews and movie screensavers, visit http://www.joblo.com/
A remake of the 1967 comedy starring Dudley Moore and Racquel Welsh (growl!!), this movie takes some of the basic elements from the original, and brings them to age with Brendan Fraser and Elizabeth Hurley in the lead. Haven't we all wished that we could be someone else every now and then? Well, the lead character in this film gets seven wishes from the devil to become whoever he wants to be. In return, all he has to do is give her his soul (surprise, the devil is a woman...hehe). Now that's not asking too much, is it? I wish...I could be a great movie! Poof.
PLOT: A dweeby guy with a secret woodie for a co-worker decides to trade his soul to the devil in return for seven wishes. As time goes by, the man realizes that the gorgeous physical manifestation of Satan, isn't exactly playing fair, and tries to improve upon his wishes every time.
CRITIQUE: An underwhelming remake featuring yet another great comedic turn by Brendan Fraser, a perfect sexy hot tamale role for Elizabeth Hurley, but ultimately too much like a sketch comedy show, rather than a movie. Very little oomph! The idea of this film is in itself, actually quite ambitious. To allow this guy to have seven wishes, with him transforming into a Columbian drug lord, a 7-foot tall basketball player, an ultra-sensitive guy and so forth, but something seemed to be missing along the way. There were some funny scenes, some so-so scenes and other tired ones. The whole thing felt sort of pieced together from a good idea but a not so humorous script. Don't get me wrong, I laughed here and there, Brendan Fraser was tops as usual in a Murphy-esque type of role, with him portraying various different characters out of one, but there were no laugh-out loud scenes and the ending of the film was just flat. Looking back, it was one of those movies that's sort of "okay" as you watch it, but entirely forgettable afterwards. It also got predictable pretty early on, as much of the film's development could be guessed by the end of the character's first "wish".
I really liked a couple of the situations that Brendan was placed in, especially the extra-sensitive guy routine, which was really well done and quite funny, and the whole basketball sequence, which was also very well-handled, both effects-wise and the humor. Others could have been funnier such as the Columbian drug lord scenario, which felt more like a "one-joke" pony. But then there was the luscious Elizabeth Hurley, who kept me in the game for quite some time. Looking better and better from scene to scene, featured in various delectable costumes as every boy's fantasy (pant, pant), Hurley managed to juice all that she could out of her devilish character. I thought the devil was just a little "too nice" in my opinion, especially in the end, but then again, the film itself isn't exactly based in airtight reality. Overall, I would say that it's a safe, easy-going, fantasy puffball with fun performances from the leads, but definitely less than what its premise sets it up to be. I was hoping for more.
Review Date: October 16, 2000 Director: Harold Ramis Writers: Harold Ramis, Larry Gelbart, Peter Tolan Producer: Harold Ramis and Trevor Albert Actors: Brendan Fraser as Elliot Elizabeth Hurley as The Devil Frances O'Connor as Allison Genre: Comedy Year of Release: 2000 ------------------------------------ JoBlo's Movie Emporium http://www.joblo.com/ ------------------------------------ (c) 2000 Berge Garabedian
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


An AsyncEventListener
asynchronously processes batches of events after they have been applied to a region. You can use an AsyncEventListener
implementation as a write-behind cache event handler to synchronize region updates with a database.
How an AsyncEventListener Works
An AsyncEventListener
instance is serviced by its own dedicated thread in which a callback method is invoked. Events that update a region are placed in an internal AsyncEventQueue
, and one or more threads dispatch batches of events at a time to the listener implementation.
You can configure an AsyncEventQueue
to be either serial or parallel. A serial queue is deployed to one Geode member, and it delivers all of a region’s events, in order of occurrence, to a configured AsyncEventListener
implementation. A parallel queue is deployed to multiple Geode members, and each instance of the queue delivers region events, possibly simultaneously, to a local AsyncEventListener
implementation.
While a parallel queue provides the best throughput for writing events, it provides less control for ordering those events. With a parallel queue, you cannot preserve event ordering for a region as a whole because multiple Geode servers queue and deliver the region’s events at the same time. However, the ordering of events for a given partition (or for a given queue of a distributed region) can be preserved.
For both serial and parallel queues, you can control the maximum amount of memory that each queue uses, as well as the batch size and frequency for processing batches in the queue. You can also configure queues to persist to disk (instead of simply overflowing to disk) so that write-behind caching can pick up where it left off when a member shuts down and is later restarted.
Optionally, a queue can use multiple threads to dispatch queued events. When you configure multiple threads for a serial queue, the logical queue that is hosted on a Geode member is divided into multiple physical queues, each with a dedicated dispatcher thread. You can then configure whether the threads dispatch queued events by key, by thread, or in the same order in which events were added to the queue. When you configure multiple threads for a parallel queue, each queue hosted on a Geode member is processed by dispatcher threads; the total number of queues created depends on the number of members that host the region.
A GatewayEventFilter
can be placed on the AsyncEventQueue
to control whether a particular event is sent to a selected AsyncEventListener
. For example, events associated with sensitive data could be detected and not queued. For more detail, see the Javadocs for GatewayEventFilter
.
A GatewayEventSubstitutionFilter
can specify whether the event is transmitted in its entirety or in an altered representation. For example, to reduce the size of the data being serialized, it might be a more efficient to represent a full object by only its key. For more detail, see the Javadocs for GatewayEventSubstitutionFilter
.
Operation Distribution from an AsyncEventQueue
An AsyncEventQueue
distributes these operations:
- Entry create
- Entry put
- Entry distributed destroy, providing the operation is not an expiration action
- Expiration destroy, if the
forward-expiration-destroy
attribute is set totrue
. By default, this attribute isfalse
, but you can set it totrue
usingcache.xml
orgfsh
. To set this attribute in the Java API, useAsyncEventQueueFactory.setForwardExpirationDestroy()
. See the javadocs for details.
These operations are not distributed:
- Get
- Invalidate
- Local destroy
- Region operations
- Expiration actions
- Expiration destroy, if the
forward-expiration-destroy
attribute is set tofalse
. The default value isfalse
.
Guidelines for Using an AsyncEventListener
Review the following guidelines before using an AsyncEventListener:
- If you use an
AsyncEventListener
to implement a write-behind cache listener, your code should check for the possibility that an existing database connection may have been closed due to an earlier exception. For example, check forConnection.isClosed()
in a catch block and re-create the connection as needed before performing further operations. - Use a serial
AsyncEventQueue
if you need to preserve the order of region events within a thread when delivering events to your listener implementation. Use parallel queues when the order of events within a thread is not important, and when you require maximum throughput for processing events. In both cases, serial and parallel, the order of operations on a given key is preserved within the scope of the thread. - You must install the
AsyncEventListener
implementation on a Geode member that hosts the region whose events you want to process. - If you configure a parallel
AsyncEventQueue
, deploy the queue on each Geode member that hosts the region. - You can install a listener on more than one member to provide high availability and guarantee delivery for events, in the event that a member with the active
AsyncEventListener
shuts down. At any given time only one member has an active listener for dispatching events. The listeners on other members remain on standby for redundancy. For best performance and most efficient use of memory, install only one standby listener (redundancy of at most one). - Install no more than one standby listener (redundancy of at most one) for performance and memory reasons.
- To preserve pending events through member shutdowns, configure Geode to persist the internal queue of the
AsyncEventListener
to an available disk store. By default, any pending events that reside in the internal queue of anAsyncEventListener
are lost if the active listener’s member shuts down. - To ensure high availability and reliable delivery of events, configure the event queue to be both persistent and redundant.
Implementing an AsyncEventListener
To receive region events for processing, you create a class that implements the AsyncEventListener
interface. The processEvents
method in your listener receives a list of queued AsyncEvent
objects in each batch.
Each AsyncEvent
object contains information about a region event, such as the name of the region where the event occurred, the type of region operation, and the affected key and value.
The basic framework for implementing a write-behind event handler involves iterating through the batch of events and writing each event to a database. For example:
class MyAsyncEventListener implements AsyncEventListener {
public boolean processEvents(List<AsyncEvent> events) {
// Process each AsyncEvent
for(AsyncEvent event: events) {
// Write the event to a database
}
}
}
Processing AsyncEvents
Use the AsyncEventListener.processEvents method to process AsyncEvents. This method is called asynchronously when events are queued to be processed. The size of the list reflects the number of batch events where batch size is defined in the AsyncEventQueueFactory. The processEvents
method returns a boolean; true if the AsyncEvents are processed correctly, and false if any events fail processing. As long as processEvents
returns false, Geode continues to re-try processing the events.
You can use the getDeserializedValue
method to obtain cache values for entries that have been updated or created. Since the getDeserializedValue
method will return a null value for destroyed entries, you should use the getKey
method to obtain references to cache objects that have been destroyed. Here’s an example of processing AsyncEvents:
public boolean processEvents(@SuppressWarnings("rawtypes") List<AsyncEvent> list)
{
logger.log (Level.INFO, String.format("Size of List<GatewayEvent> = %s", list.size()));
List<JdbcBatch> newEntries = new ArrayList<JdbcBatch>();
List<JdbcBatch> updatedEntries = new ArrayList<JdbcBatch>();
List<String> destroyedEntries = new ArrayList<String>();
int possibleDuplicates = 0;
for (@SuppressWarnings("rawtypes") AsyncEvent ge: list)
{
if (ge.getPossibleDuplicate())
possibleDuplicates++;
if ( ge.getOperation().equals(Operation.UPDATE))
{
updatedEntries.add((JdbcBatch) ge.getDeserializedValue());
}
else if ( ge.getOperation().equals(Operation.CREATE))
{
newEntries.add((JdbcBatch) ge.getDeserializedValue());
}
else if ( ge.getOperation().equals(Operation.DESTROY))
{
destroyedEntries.add(ge.getKey().toString());
}
}
Configuring an AsyncEventListener
To configure a write-behind cache listener, you first configure an asynchronous queue to dispatch the region events, and then create the queue with your listener implementation. You then assign the queue to a region in order to process that region’s events.
Procedure
Configure a unique
AsyncEventQueue
with the name of your listener implementation. You can optionally configure the queue for parallel operation, persistence, batch size, and maximum memory size. See WAN Configuration for more information.gfsh configuration
gfsh>create async-event-queue --id=sampleQueue --persistent --disk-store=exampleStore --listener=com.myCompany.MyAsyncEventListener --listener-param=url#jdbc:db2:SAMPLE,username#gfeadmin,password#admin1
The parameters for this command uses the following syntax:
create async-event-queue --id=value --listener=value [--group=value] [--batch-size=value] [--persistent(=value)?] [--disk-store=value] [--max-queue-memory=value] [--listener-param=value(,value)*]
For more information, see create async-event-queue.
cache.xml Configuration
<cache> <async-event-queue id="sampleQueue" persistent="true" disk-store-name="exampleStore" parallel="false"> <async-event-listener> <class-name>MyAsyncEventListener</class-name> <parameter name="url"> <string>jdbc:db2:SAMPLE</string> </parameter> <parameter name="username"> <string>gfeadmin</string> </parameter> <parameter name="password"> <string>admin1</string> </parameter> </async-event-listener> </async-event-queue> ... </cache>
Java Configuration
Cache cache = new CacheFactory().create(); AsyncEventQueueFactory factory = cache.createAsyncEventQueueFactory(); factory.setPersistent(true); factory.setDiskStoreName("exampleStore"); factory.setParallel(false); AsyncEventListener listener = new MyAsyncEventListener(); AsyncEventQueue asyncQueue = factory.create("sampleQueue", listener);
If you are using a parallel
AsyncEventQueue
, the gfsh example above requires no alteration, as gfsh applies to all members. If using cache.xml or the Java API to configure yourAsyncEventQueue
, repeat the above configuration in each Geode member that will host the region. Use the same ID and configuration settings for each queue configuration. Note: You can ensure other members use the sample configuration by using the cluster configuration service available in gfsh. See Overview of the Cluster Configuration Service.On each Geode member that hosts the
AsyncEventQueue
, assign the queue to each region that you want to use with theAsyncEventListener
implementation.gfsh Configuration
gfsh>create region --name=Customer --async-event-queue-id=sampleQueue
Note that you can specify multiple queues on the command line in a comma-delimited list.
cache.xml Configuration
<cache> <region name="Customer"> <region-attributes async-event-queue-ids="sampleQueue"> </region-attributes> </region> ... </cache>
Java Configuration
RegionFactory rf1 = cache.createRegionFactory(); rf1.addAsyncEventQueue(sampleQueue); Region customer = rf1.create("Customer"); // Assign the queue to multiple regions as needed RegionFactory rf2 = cache.createRegionFactory(); rf2.addAsyncEventQueue(sampleQueue); Region order = rf2.create("Order");
Using the Java API, you can also add and remove queues to regions that have already been created:
AttributesMutator mutator = order.getAttributesMutator(); mutator.addAsyncEventQueueId("sampleQueue");
See the Geode API documentation for more information.
Optionally configure persistence and conflation for the queue. Note: You must configure your AsyncEventQueue to be persistent if you are using persistent data regions. Using a non-persistent queue with a persistent region is not supported.
Optionally configure multiple dispatcher threads and the ordering policy for the queue using the instructions in Configuring Dispatcher Threads and Order Policy for Event Distribution.
The AsyncEventListener
receives events from every region configured with the associated AsyncEventQueue
.


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