The most simple example, all we need is to use element tag, for example
<mwc-icon>
and add
*axLazyElement
directive with the url pointing to the
element implementation.
The most simple example, all we need is to use element tag, for example
<mwc-icon>
and add
*axLazyElement
directive with the url pointing to the
element implementation.
<ng-template #loading>
Counter: {{ counter }}
In this example we're loading
<mwc-button>
using the
*axLazyElement
directive but we're also adding
<ng-template #loading>Loading...<ng-template>
which
will be displayed before the element was loaded (depending on your
connection speed)
<ng-template #error>
In this example we're loading
<mwc-button>
using the
*axLazyElement
directive but we're also adding
<ng-template #error>Loading failed...<ng-template>
which will be displayed because the loading request will fail (wrong
url)
In this example we're loading ionic! Ionic comes with all elements in
single bundle so we can use multiple ionic elements while using
*axLazyElement
directive only on the outmost element.
Besides that in our Angular component we have defined
customYearValues
array with the
[2020, 2030, 2040]
values which are passed in the element
using standard Angular property binding
[yearValues]="customYearValues"
.


New Lagos CP: free flow of traffic will curb crime - The Nation Newspaper
THE new Lagos State Commissioner of Police, Hakeem Odumosu has said that managing the menace of traffic in the metropolis would be his top priority.
Odumosu made this known during a news conferece on Monday in Ikeja.
The News Agency of Nigeria (NAN) reports that Odumosu took over from AIG Zubairu Muazu, who was recently promoted from Commissioner of Police to Assistant Inspector General of Police (AIG).
Muazu has been posted to Force Headquarters, Abuja as AIG in charge of Counter Terrorism Unit.
The commissioner said that bad roads were the major cause of traffic in Lagos State, adding that poor attitude of drivers also contributed to the traffic problem in the state.
“The Lagos State Government under Governor Babajide Sanwo-Olu has started palliatives on all the roads especially now that the rains have subsided.
“However, I urge him to do more of the palliatives because bad roads contribute to traffic congestion.
“If we have the government tackling bad roads from that angle and we the police on the road controlling the traffic, congestion would be reduced to a minimum.
“Once traffic flows, we would have reduced crime by at least 30 per cent in the city,” Odumosu said.
Read Also: Women face hurdles in politics, says Alli-Macaulay
He said that more men would be mobilised from all sections of the police so that there would be enough personnel to manage traffic in the state.
The commissioner also said that he had alerted and educated the various Divisional Police Officers (DPO) and Area Commanders on the need to change strategy towards traffic management.
“We need to change our traffic management strategy such as the time of reporting for duty and the time of closing of the traffic officers.
“The closing time for any traffic junction will be 10 pm and in areas where the traffic congestion is very serious, the time would be extended to 12 midnight,” he said.
The new CP added that part of the strategy to affect community policing would include publishing the phone numbers of all the DPOs in national dailies for easy access by the public.
“Improved communication matters in every relationship for sustainability and growth. So, we want to reduce the gap between the police and the members of the public through the press,” he said.
Odumosu also said that his administration would tackle commercial motorcyclists’ infractions.


Hocon is really a version of Json with less syntax. Commas can be removed when a value is on a single line. Colons can be replaced by equals and when a value is an object, the colon or equals can be dropped altogether. Since these forms are similar we will only give examples in Hocon. Json examples are the same with the added syntax of colons, quotes for keys and commas.
Another thing to note is that Typesafe Config variable resolving is disabled in favor of Maven’s. This is obviously necessary as resolving variables in Maven’s style is preferred even if the two styles are nearly identical.
Hocon has an additional syntax of particular interest to Unbound’s use cases. Hocon can include other hocon files. This means you can abstract arbitrary parts of a multi-module build system into any Hocon file. Then these build components can be included in sub-modules. For instance in a file called scalaCompile.conf could be
dependencies += { groupId = "org.scala-lang", artifactId = "scala-library" version = "${versionScalaRelease}", scope = "compile" } build { plugins += { groupId = "org.apache.maven.plugins", artifactId = "maven-compiler-plugin" version = "3.7.0" configuration { skip = true, skipMain = true } } plugins += { groupId = "net.alchim31.maven", artifactId = "scala-maven-plugin" version = "4.0.2" configuration { scalaVersion = "${versionScalaRelease}" } executions = [ { goals = [ "compile", "testCompile" ] } ] } }
and then in your pom.conf file you have
{ project { artifactId = "my-sub-module" properties { versionScalaRelease = "2.12.8" } include "scalaCompile.conf" } }
This allows for arbitary abstraction of any part of the maven POM without breaking how reporting aggregration works. This allows for a nice addition to Maven’s existing abstraction functionality without requiring existing code to change.
Translating Hocon to XML is generally a straight forward process. Most XML Elements directly translate into ConfigObjects (or JObjects). Theses two data structures can be thought of as a Map from String to Any. So the key of the map is the label of the child XML node. So:
parent { groupId = "bar", artifactId = "foo" }
becomes
<parent> <groupId>bar</groupId> <artifactId>foo</artifactId> </parent>
Here we see both map/object and string conversion. Hocon also supports Numbers, Doubles, Boolean and Date/Time values. To convert these to XML, toString and/or render are used to convert them to strings as POM XML converts everything to strings. Maps and primitive types are always converted in this way.
So value = true becomes <value>true</value> and value2 = -14.5 becomes <value2>-14.5</value2>
There are a few exceptions for other types however.
Lists are handled differently in pom.xml files. A parent element is labeled with a pluralized form of a noun and the child elements are all labeled with the same singular form of the noun. In Hocon this gets compressed to
dependencies = [ { groupId = "foo", artifactId = "bar" } { groupId = "foo2", artifactId = "bar2" } ]
So this Hocon becomes the following XML
<dependencies> <dependency> <groupId>foo</groupId> <artifactId>bar</artifactId> </dependency> <dependency> <groupId>foo2</groupId> <artifactId>bar2</artifactId> </dependency> </dependencies>
Notice that the word dependency disappears from the Hocon (and Json) form(s).
Another difference is how Properties objects are handled in configuration elements. In Plugins and some other POM model components, there are often a configuration element whose values are bound to fields of the Plugin’s Mojo. When the Mojo binds a Properties object, its XML is expressed in this rather verbose way:
<configuration> <myProperties> <property> <name>propertyName1</name> <value>propertyValue1</value> <property> <property> <name>propertyName2</name> <value>propertyValue2</value> <property> </myProperties> </configuration>
In Hocon becomes:
configuration { myProperties { properties = true propertyName1 = "propertyValue1" propertyName2 = "propertyValue2" } }
Note the properties = true entry that is added. This way when this Hocon is converted back to XML, it can be converted into the correct XML for the Plugin. Otherwise, this block of Hocon would be converted to
<configuration> <myProperties> <propertyName1>propertyValue1</propertyName1> <propertyName2>propertyValue2</propertyName2> </myProperties> </configuration>
by following the general rules of translating XML Elements to Map of String to Any. See Configuring Plugins for more information.
Even though most Maven POM XML files don’t have configuration elements with attributes it does happen. To handle this case, you must add a special key called attributeKeys to your Hocon or Json object to tell Unbound which children to create XML elements for and which ones to create XML attributes for. So this Hocon
"target" { "chmod" { "attributeKeys" = [ "perm" ] "perm" = "755" "fileset" { "attributeKeys" = [ "dir" ] "dir" = "${basedir}/target/deb" "include" = { "attributeKeys" = [ "name" ] "name" = "usr/bin/mvnu" } } } }
becomes this XML
<target> <chmod perm="755"> <fileset dir="${basedir}/target/deb"> <include name="usr/bin/mvnu"/> </fileset> </chmod> </target>
which is messy but its such a rare case that it hardly matters.
There are three other special cases that appear because of shared infrastructure supplied by Maven and used by Plugins. Transformer and Archiver functionality can be used by Plugin authors to provide compression, dependency resolution or other common functionality provided by Maven itself. These features are configured in commons but special ways.
Transformers are used to merge multiple artifacts into a single large artifact. They are specified in the configuration section of a Plugin. Here is an example of a piece of XML that configures a Transformer
<transformers> <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"> <mainClass>org.apache.maven.unbound.Cli</mainClass> </transformer> </transformers>
would become
transformers = [ { implementation = "org.apache.maven.plugins.shade.resource.ManifestResourceTransformer", mainClass = "org.apache.maven.unbound.Cli" } ]
Note the only change in usual behavior is that the implementation entry becomes a XML attribute. Since this is a special case, you don’t have to add the attributeKeys list to this Hocon.
An Archiver is a piece of shared code that compresses a group of files into one artifact such as a Jar file. They are configured in the configuration section of a Plugin and always have the label archiver. For example the following block of XML specifies that a manifest file should be created with a certain main class and the classpath should be added to the manifest. Also entries in another file should be added to the manifest of this artifact. Here is the XML:
<archive> <manifest> <addClasspath>true</addClasspath> <mainClass>com.footballradar.jpademo.App</mainClass> </manifest> <manifestFile>src/main/resources/Manifest.txt</manifestFile> </archive>
which becomes
archive { manifestFile = "src/main/resources/Manifest.txt" manifest { addClasspath = true, mainClass = "com.footballradar.jpademo.App" } }
A Fileset is a piece of shared code that selects a group of files to be mapped to another location. Its common for plugins to have such functionality so it can be configured in a generic way in a plugin’s configuration using a fileset. Here is the XML:
<fileset> <directory>src/main/java</directory> <outputDirectory>target/classes</outputDirectory> <includes><include>*.java</include><includes> </fileset>
becomes in Hocon:
fileset { directory = "src/main/java", outputDirectory = "target/classes", includes = [ "*.java" ] }
A dependency is a commonly used part of a POM file. Often Plugins will also have lists of dependencies in their configuration sections. When a Hocon object is composed entirely of keys that match the keys of a dependency object, the Hocon will be translated into XML in the following way:
defineBridge = [ { groupId = "org.scala-sbt", artifactId = "compiler-bridge_${version.scala.epoch}", version = "${version.scala.zinc}" } ] defineCompiler = [ { groupId = "org.scala-lang", artifactId = "scala-compiler", version = "${version.scala.release}" } ]
becomes
<defineBridge> <dependency> <groupId>org.scala-sbt</groupId> <artifactId>compiler-bridge_${version.scala.epoch}</artifactId> <version>${version.scala.zinc}</version> </dependency> </defineBridge> <defineCompiler> <dependency> <groupId>org.scala-lang</groupId> <artifactId>scala-compiler</artifactId> <version>${version.scala.release}</version> </dependency> </defineCompiler>
Notice that the normal pattern is applied except that the XML produced doesn’t try to compute the child label from defineBridge or defineCompiler but instead uses "dependency" instead. It does this when all the child labels ("groupId", "artifactId" and "version") are valid parts of a Maven Dependency object.
Here is an example of a simple Hocon POM file that builds a libarary jar.
{ project { groupId = "my-group", artifactId = "unbound-lib" properties { versionScalaRelease = "2.12.8" } # from example in the beginning of this page include "scalaCompile.conf" dependencies += { artifactId = "scala-xml_${version.scala.epoch}", groupId = "org.scala-lang.modules", version = "1.2.0" }, dependencies += { artifactId = "ficus_${version.scala.epoch}", groupId = "com.iheart", version = "1.4.6" } dependencies += { artifactId = "json4s-native_${version.scala.epoch}", groupId = "org.json4s", version = "3.6.6" } dependencies += { artifactId = "scalatest_${version.scala.epoch}", groupId = "org.scalatest", scope = "test", version = "${version.scalatest}" } } }
Here is an example of a simple Hocon POM file. That builds scala code and uses shade to create an executable jar.
{ project { artifactId = "unbound" properties { versionScalaRelease = "2.12.8" } # from example in the beginning of this page include "scalaCompile.conf" dependencies += { artifactId = "scala-xml_${version.scala.epoch}", groupId = "org.scala-lang.modules", version = "1.2.0" } dependencies += { artifactId = "ficus_${version.scala.epoch}", groupId = "com.iheart", version = "1.4.6" } dependencies += { artifactId = "json4s-native_${version.scala.epoch}", groupId = "org.json4s", version = "3.6.6" } dependencies += { artifactId = "maven-model", groupId = "org.apache.maven", version = "3.6.1" } dependencies += { artifactId = "maven-shared-utils", groupId = "org.apache.maven.shared", version = "3.2.1" } dependencies += { artifactId = "scalatest_${version.scala.epoch}", groupId = "org.scalatest", scope = "test", version = "${version.scalatest}" } build { plugins += { groupId = "org.apache.maven.plugins", artifactId = "maven-shade-plugin", version = "3.2.1" executions = [ { configuration { minimizeJar = true, shadedArtifactAttached = true, shadedClassifierName = "exec" transformers = [ { implementation = "org.apache.maven.plugins.shade.resource.ManifestResourceTransformer", mainClass = "org.apache.maven.unbound.Cli" } ] } goals = [ "shade" ], phase = "package" } ] } } } } There are [More Examples](https://github.com/hunterpayne/maven-unbound/tree/master/examples) here in the Unbound source repository.


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split
Split a file into pieces.
More information: home page
- Split a file, each split having 10 lines (except the last split):
split -l 10 path/to/file
- Split a file into 5 files. File is split such that each split has same size (except the last split):
split -n 5 path/to/file
- Split a file with 512 bytes in each split (except the last split; use 512k for kilobytes and 512m for megabytes):
split -b 512 path/to/file
- Split a file with at most 512 bytes in each split without breaking lines:
split -C 512 path/to/file


The M51 Galaxy and Saturn
Photographs taken right here on campus with the UTSC telescope.
Pluto seen through the UTSC telescope!
The UTSC Telescope
Contact Prof. Hanno Rein to get on the telescope mailing list!
If you are interested in a research project,
talk to us!
Hanno Rein
Assistant Professor, SW504C


Class Features
Standard set of features.
Inheritance
Namespace: SigStat.Common
Assembly: SigStat.Common.dll
Syntax
public static class Features : object
Fields
| Improve this Doc View SourceAll
Returns a readonly list of all FeatureDescriptors defined in Features
Declaration
public static readonly IReadOnlyList<FeatureDescriptor> All
Field Value
| Type | Description |
|---|---|
| IReadOnlyList<FeatureDescriptor> |
Altitude
Altitude of an online signature as a function of T
Declaration
public static readonly FeatureDescriptor<List<double>> Altitude
Field Value
| Type | Description |
|---|---|
| FeatureDescriptor<List<System.Double>> |
Azimuth
Azimuth of an online signature as a function of T
Declaration
public static readonly FeatureDescriptor<List<double>> Azimuth
Field Value
| Type | Description |
|---|---|
| FeatureDescriptor<List<System.Double>> |
Cog
Center of gravity in a signature
Declaration
public static readonly FeatureDescriptor<Point> Cog
Field Value
| Type | Description |
|---|---|
| FeatureDescriptor<Point> |
Dpi
Dots per inch
Declaration
public static readonly FeatureDescriptor<int> Dpi
Field Value
| Type | Description |
|---|---|
| FeatureDescriptor<System.Int32> |
Image
The visaul representation of a signature
Declaration
public static readonly FeatureDescriptor<Image<Rgba32>> Image
Field Value
| Type | Description |
|---|---|
| FeatureDescriptor<Image<Rgba32>> |
PenDown
Pen position of an online signature as a function of T. It is true when the pen touches the paper.
Declaration
public static readonly FeatureDescriptor<List<bool>> PenDown
Field Value
| Type | Description |
|---|---|
| FeatureDescriptor<List<System.Boolean>> |
PointType
Type of points of an online signature as a function of T. The type of a point is defined by: 0 - Stroke - Internal point of an up or downstroke 1 - Start - Starting point of a downstroke 2 - End - Last point of a downstroke 3 - ShortStroke - First and last point of a downstroke
Declaration
public static readonly FeatureDescriptor<List<double>> PointType
Field Value
| Type | Description |
|---|---|
| FeatureDescriptor<List<System.Double>> |
Pressure
Pressure of an online signature as a function of T
Declaration
public static readonly FeatureDescriptor<List<double>> Pressure
Field Value
| Type | Description |
|---|---|
| FeatureDescriptor<List<System.Double>> |
Size
Actual bounds of the signature
Declaration
public static readonly FeatureDescriptor<SizeF> Size
Field Value
| Type | Description |
|---|---|
| FeatureDescriptor<SizeF> |
T
Timestamps for online signatures
Declaration
public static readonly FeatureDescriptor<List<double>> T
Field Value
| Type | Description |
|---|---|
| FeatureDescriptor<List<System.Double>> |
TrimmedBounds
Represents the main body of the signature BasicMetadataExtraction
Declaration
public static readonly FeatureDescriptor<Rectangle> TrimmedBounds
Field Value
| Type | Description |
|---|---|
| FeatureDescriptor<Rectangle> |
X
X coordinates of an online signature as a function of T
Declaration
public static readonly FeatureDescriptor<List<double>> X
Field Value
| Type | Description |
|---|---|
| FeatureDescriptor<List<System.Double>> |
Y
Y coordinates of an online signature as a function of T
Declaration
public static readonly FeatureDescriptor<List<double>> Y
Field Value
| Type | Description |
|---|---|
| FeatureDescriptor<List<System.Double>> |


{include file="Public/breadcrumbs" /}
{include file="Public/set"/}
{include file="Public/head"/}
{include file="Public/header"/}


BBBCSIO
The PWMPortMM Class
The PWMPortMM Class
The PWMPortMM class reads from the one of the six PWM bus On Chip Peripheral (OCP) devices integrated into the Beaglebone Black CPU via the
PWM memory Mapped access method. There is also a file system based PWM port available. For more information
see the PWMPortFS help file.
Source Code
The source code for this class is available online for
download
and also in
browseable form.
Example Code
Example code which demonstrates the use of this class can be found on the PWM Port Example page.
Syntax
public class PWMPortMM : PortMM
Provides Pulse Width Modulation (PWM) port functionality for a BeagleBone Black (Memory Mapped Version).
Public Constructors
public PWMPortMM(PWMPortEnum pwmPortIn) : base(GpioEnum.GPIO_NONE)
Constructor.
- Parameters
- pwmPortIn - The PWM port to access.
Public Methods
public override void ClosePort()
Closes the port.
public void Dispose()
Implements IDisposable. Should be called after the class is closed to release resources.
public override PortDirectionEnum PortDirection()
Gets the PortDirection
- Returns
- A PortDirectionEnum value. This value is always PortDirectionEnum.PORTDIR_OUTPUT.
Public Properties
public uint DutyNS { get; set; }
Gets/Sets the duty cycle of the PWM output square wave form in nanoseconds
The duty cycle is the part of the wave form devoted to a high state.
- value
- the duty cycle of the PWM output in nanoseconds. This should always
be less than the PeriodNS.
public double DutyPercent { get; set; }
Gets/Sets the duty cycle of the PWM output square wave form as a percent
- value
- percentage of the input value. Must be between 0 and 100.
public uint FrequencyHz { get; set;}
Gets/Sets the frequency of the PWM output square wave form.
- value
- frequency in Hz.
public uint PeriodNS { get; set;}
Gets/Sets the period of the PWM output square wave form
- value
- the period (1/Freq) in nano seconds.
public PWMPortEnum PWMPort { get; }
Gets the PWM Port. There is no Set accessor this is set in the constructor
- value
- The working PWMPortEnum.
public bool RunState { get; set;}
Gets/Sets the run state of the PWM output square wave
- value
- true - begin running, false - stop running.


Data Saving and Analytics
I built a robust save system for Ballroom Banter to ensure that game data never gets lost. All important data is put into a custom class and then serialized and saved on the device, which occurs on application closing as well as certain checkpoints in the game. I also implemented devtodev analytics into the game, allowing analysis of player gameplay, session length, etc.


|
QuantLib: a free/open-source library for quantitative finance
Fully annotated sources - version 1.30
|
Base inertia class used to alter the PSO state. More...
#include <ql/experimental/math/particleswarmoptimization.hpp>
Public Member Functions | |
| virtual | ~Inertia ()=default |
| virtual void | setSize (Size M, Size N, Real c0, const EndCriteria &endCriteria)=0 |
| initialize state for current problem More... | |
| virtual void | setValues ()=0 |
| produce changes to PSO state for current iteration More... | |
Protected Member Functions | |
| virtual void | init (ParticleSwarmOptimization *pso) |
Protected Attributes | |
| ParticleSwarmOptimization * | pso_ |
| std::vector< Array > * | X_ |
| std::vector< Array > * | V_ |
| std::vector< Array > * | pBX_ |
| std::vector< Array > * | gBX_ |
| Array * | pBF_ |
| Array * | gBF_ |
| Array * | lX_ |
| Array * | uX_ |
Friends | |
| class | ParticleSwarmOptimization |
Base inertia class used to alter the PSO state.
This pure virtual base class provides the access to the PSO state which the particular inertia algorithm will change upon each iteration.
Definition at line 127 of file particleswarmoptimization.hpp.
|
virtualdefault |
|
pure virtual |
initialize state for current problem
Implemented in TrivialInertia, SimpleRandomInertia, DecreasingInertia, AdaptiveInertia, and LevyFlightInertia.
|
pure virtual |
produce changes to PSO state for current iteration
Implemented in TrivialInertia, SimpleRandomInertia, DecreasingInertia, AdaptiveInertia, and LevyFlightInertia.
|
protectedvirtual |
Reimplemented in LevyFlightInertia.
Definition at line 141 of file particleswarmoptimization.hpp.
|
friend |
Definition at line 128 of file particleswarmoptimization.hpp.
|
protected |
Definition at line 136 of file particleswarmoptimization.hpp.
|
protected |
Definition at line 137 of file particleswarmoptimization.hpp.
|
protected |
Definition at line 137 of file particleswarmoptimization.hpp.
|
protected |
Definition at line 137 of file particleswarmoptimization.hpp.
|
protected |
Definition at line 137 of file particleswarmoptimization.hpp.
|
protected |
Definition at line 138 of file particleswarmoptimization.hpp.
|
protected |
Definition at line 138 of file particleswarmoptimization.hpp.
|
protected |
Definition at line 139 of file particleswarmoptimization.hpp.
|
protected |
Definition at line 139 of file particleswarmoptimization.hpp.


OpenCV
Integral Images
Viola-Jones
Predator
You can go home now
free software developer
openSUSE
Google Summer Of Code Mentor x2
Rails
http://json.northpole.ro/
a LOT of projects
define your goals people!
learning on the fly
recognizes objects
make detection easily available on mobile
was hot 4 years ago


Posted by Sandy Kurniawan on 09 November, 2016
Leaflet is a new JavaScript library for embedding maps which is quickly gaining popularity. Simpler and smaller than OpenLayers, it is a good choice for those with fairly standard embedding needs. On this page, we explain how to create a simple embedded map with markers using Leaflet, as shown on a recent switcher to OpenStreetMap, property site PlotBrowser.com.
For ease of use, we’ll create a .js file with all our map code in it. You can of course put this inline in the main page if you like. Create this page in your `leaflet/` directory and call it `leafletembed.js.`Use the following code in leafletembed.js:
var map; var ajaxRequest; var plotlist; var plotlayers=[]; function initmap() { // set up the map map = new L.Map('map'); // create the tile layer with correct attribution var osmUrl='http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png'; var osmAttrib='Map data © OpenStreetMap contributors'; var osm = new L.TileLayer(osmUrl, {minZoom: 8, maxZoom: 12, attribution: osmAttrib}); // start the map in South-East England map.setView(new L.LatLng(51.3, 0.7),9); map.addLayer(osm); }


--- title: "Behind the Scenes" date: "2017-01-13" categories: - whats-blooming layout: "post" blog-banner: "whats-blooming-now-winter.jpg" post-date: "January 13, 2017" post-time: "5:40 PM" blog-image: "2017-01-13-wbn.jpg" published: true ---
Here is a sneak peek of behind the scenes and inside of our Greenhouses, which is where the magic begins at Red Butte Garden.
Greenhouse
Hart's Tongue Fern Asplenium scolopendrium
This is the underside of a fern leaf. The tiny black round specks are spores, which can be thought of as seeds of a fern, and they are what will develop into a mature plant.
Venus Slipper Paphiopedilum sukhakulii x roebelenii
Rain Tree Brunfelsia sp.
This tree's flowers exude a pleasant sweet scent.
Chinese Hibiscus Hibiscus rosa-sinensis
Moth Orchid Phalaenopsis sp.
Mexican Flame Vine Senecio confusus
Queen's Tears Billbergia nutans
I hope you enjoyed your sneak peek at behind the scenes of Red Butte Garden. We hope to see you soon!


Asoriba Writers Project Ghana website WPG Bookstore Choral Music Ghana Flash Fiction Ghana Poetry Foundation Ghana
Achimota Senior High School Kwame Nkrumah University of Science and Technology Alliance Français d'Accra Meltwater Entrepreneurial School of Technology Innova DDB Techstars Cape Town 2016
Student Violinist Amateur Composer Fashion Photographer Writer & Editor Graphic & Interface Designer Full-stack Web Developer with Python & JavaScript Native Android & iOS Developer Roman Catholic


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Simple GPIO
Simple GPIO controls the simplest GPIO task, outputting digital pulses or trains of pulses from a single GPIO pin by repeatedly setting the output to be high or low. The polarity of the pulses can be reversed, so the normal resting state can be high instead of low. The relevant files are:
- SimpleGPIO_thread.cpp/h -- C++ class subclassed from pulsedThread to do a pulse or a train of pulses on a GPIO pin
- SimpleGPIO_tester.cpp -- C++ application using SimpleGPIO_thread to do software pulse width modulation
- SimpleGPIO_Py.cpp -- C++ code for a Python module to make and use a SimpleGPIO_thread from Python
- SimpleGPIO_setup.py -- Python code to make and install the ptSimpleGPIO Python library
- PTSimpleGPIO.py -- Python code that wraps the ptSimpleGPIO module in a Python object interface
- PTSimpleGPIO_test.py -- Python code with tests for PTSimpleGPIO. May require oscilloscope, LED
SimpleGPIO_thread Thread Makers
The SimpleGPIO_thread class extends the pulsedThread class. The constructors call a pulsedThread constructor with a structure holding data for initilization, a function for initialization, high and low callbacks, and parameters for pulse timing and number. The SimpleGPIO_thread class simplifies thread creation a little bit by providing two static ThreadMaker functions that make an initStruct and call a constructor with it, returning a pointer to a SimpleGPIO_thread:
- static SimpleGPIO_thread * SimpleGPIO_threadMaker (
- int pin
- GPIO pin number to use, in Broadcom numbering
- int polarity
- Zero for normally low, non-zero for normally high
- unsigned int delayUsecs
- time of low period of pulse, in microseconds
- unsigned int durUsecs
- time of high period of pulse, in microseconds
- unsigned int nPulses
- number of pulses in a train, or 1 for a single pulse, or 0 for an infnite train
- int accuracyLevel
- controls how timing is done, see pulsedThread
);
- static SimpleGPIO_thread * SimpleGPIO_threadMaker (
- int pin
- GPIO pin number to use, in Broadcom numbering
- int polarity
- Zero for normally low, non-zero for normally high
- float frequency
- frequency of train, in Hz
- float dutyCycle
- duty cycle in train, from 0 to 1
- float trainDuration
- Duration of train, in seconds
- int accuracyLevel
- controls how timing is done, see pulsedThread
);
One ThreadMaker sets timing parameters in microsecond delays and durations, and the other sets timing parameters in frequency and duty cycle; each threadMaker calls the corresponding constructor that takes either unsigned integer microsecond delays and durations, or floating point frequency and duty cycle. Each threadMaker makes a simple initStruct with the passed-in pin number and polarity, plus the base address of the GPIO peripheral obtained by useGpioPeri ().
SimpleGPIO_thread Thread Functions
SimpleGPIO_thread is all about setting the level of a single GPIO pin, high and low, in a pulse or train. The low callback sets the GPIO pin low, and the high callback sets the GPIO pin high. Initializing with a reversed polarity will, of course, reverse these. The initialization function calculates the addresses to ON and OFF register as Hi or Lo as appropriate to save a level of indirection later.
Back to GPIO Thread index


Recipient {{$index+1}} {{lineitem.UnitPrice | currency}}
{{addressbook.FirstName}} {{addressbook.LastName}} {{addressbook.Street1}}, {{addressbook.Street2}} {{addressbook.City}}, {{addressbook.State}} {{addressbook.Country}}, {{addressbook.Zip}} {{addressbook.Phone}}
Same-Day Available
Patient Name
In Memory of:
Card Message:


Coffee
$10.99
Toilet Paper
Toys
Telephone
Wand
Cookies
Boyfriend
Dog
Love
Fruits
Sandwich
Burger
Fake Teeth
Sandals
Old Jeans


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September 16, 2003
Brazil's summary executions, death squads
Tri-City Herald | Submitted by: Reid Fleming
"Summary executions and killings by death squads, often comprised of police officers, are commonplace in Brazil and frequently are tolerated by authorities, according to a human rights report released Monday. ... The report documents the execution of 335 people in 24 of Brazil's 27 states since 1997, and said authorities failed to take any action in 202 of those cases to bring perpetrators to justice. ... In some cases, law enforcement agents receive promotions and bonuses for their 'engagement in fatal shootings,' the report said. ... In May, the country's top human rights official said an Amnesty International report accusing Brazilian police of torturing and killing thousands of people last year 'reflects the truth.'"
|
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Read article...
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Another sexual abuse witch hunt
canada.com | Submitted by: The Grza
"The boy who made up fantastic stories of ritual sexual abuse against his former foster parents admitted in court Monday that he lied because he was mad at them. 'I was angry. That's why I started telling stories and stuff,' Michael Ross testified Monday during the malicious prosecution lawsuit filed by 12 adults once charged with sexually assaulting children. ... The horrific allegations included the murder of animals and babies, and graphic descriptions of sex parties involving adults and children."
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Read article...
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Japanese hostage situation ends badly
CNN | Submitted by: Reid Fleming
"Three people have been killed and more than 20 others injured in an explosion at a Japanese office building after a knife-wielding man took several hostages and then set light to the area. The attacker, identified as 52-year-old Noboru Beppu, entered the building in the city of Nagoya at around 10 a.m. on Tuesday morning, armed with a knife and carrying a flammable liquid, Kyodo news agency reported. ... shortly after 1 p.m., a blast rocked the fourth-floor office of Nagoya-based Keikyubin Co., shattering windows and engulfing the floor with flames. Black smoke was seen billowing from the building and witnesses described bystanders bleeding from glass shards that rained down from the explosion."
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Read article...
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Another fetus found in sewage plant
kold.com | Submitted by: Reid Fleming
"Workers at a temporary headworks at the Roger Road Wastewater Treatment Facility found a fetus Monday morning as they were cleaning a filter. ... Normally the large debris is automatically cleared from the filter and trucks carry the debris to the landfill. The headworks have been under construction for three weeks to a month and the fetus might not have been discovered if the normal, automatic system was working. 'You know we really have no way of knowing if this is, if this has happened before and we haven't caught it,' says Laura Fairbanks of Pima County Wastewater Management. 'It's hard to say. About six years ago a fetus came into the plant and it was spotted on the refuse truck.'"
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Read article...
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Deadbeat dad used to hunt deadbeat dads
Wire Services | Submitted by: Laila Toosexyformyshirt
"A former Minnesota state official who once oversaw the state's child support enforcement division has been arrested in Las Vegas for allegedly failing to pay child support, federal officials said Monday. Francis Giberson, 56, who was deputy commissioner of the state Department of Human Services from 1983 to 1987, owes more than $106,000 in child support, according to the U.S. Health and Human Services Department's office of the inspector general. ... Police discovered he had a fake ID with the name of Charles F. Walsh III, which Giberson told police he used to avoid paying child support."
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The House at Poo Corner
Stuff NZ | Submitted by: Crazy Quagga
"A leak in an aircraft sewerage system could have created the 'bomb' of smelly flying waste that hit a house in a rural part of Wellington yesterday, the Civil Aviation Authority (CAA) said today... Sheep and cattle farmer Shonnie Gordon said yesterday she could not believe her eyes or her nose, when she found the bathroom, outside walls and the roof of her home splattered with the substance." Includes mouth-watering photo.
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Read article...
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Mountaintop 9-11 flag burned
Denver Post | Submitted by: American Buzz Beer
"A giant American flag raised as a Sept. 11 memorial on a prominent mountaintop was torched over the weekend, sparking outrage from local residents and putting law enforcement on high alert. ... apparently sometime on Saturday, someone set the day-old, 10-by-15-foot flag ablaze, bent the pole and left a typewritten note condemning the U.S. war in Iraq, according to Summit County Sheriff Joe Morales. ... 'This was more than just simple vandalism. Whoever perpetrated this appears to either support (the terrorist attacks of) 9/11 or is just anti-American. It is very concerning,' said Morales, who notified the FBI's counterterrorism task force about the incident and launched a criminal investigation." [Brace yourself for that flag-burning amendment.]
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Solar flares are for lightweights
rednova.com | Submitted by: Crazy Quagga
"'The source of the blast was SGR 1900+14, a neutron star about 45,000 light years away,' says NASA astronomer Pete Woods. 'It was the strongest burst of cosmic x-rays and gamma rays we've ever recorded.' SGR 1900+14 is a special kind of neutron star called a magnetar. 'Magnetars have the strongest magnetic fields in the universe: a million billion (1015) gauss,' he says. For comparison, the magnetic field of the sun is less than 10 gauss in most places, and about 1000 gauss near sunspots. ... Flares from magnetars are about a million million times stronger, ~1044 ergs, befitting their more intense magnetic fields. ... When the blast wave from SGR 1900+14 arrived on August 27, 1998, it hit the night side of our planet -- something flares from the sun never do."
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Read article...
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Idiots mistake mercury jar for super happy fun ball
Muncie Star-Press | Submitted by: Gumabear
"A group of young people playing with a small bottle of mercury forced police to shut down a one-block area in the Old West End Neighborhood on Monday evening and seal off a southside business, authorities said. ... about 18 people who were playing with or were exposed to the hazardous liquid metal were detained, stripped and washed down. ... the group of teenagers found a 2-ounce bottle of mercury inside an abandoned business near Eighth and Walnut streets. ... They were tossing it on each other, dropping it and 'sloshing it all over the place,' Muncie Deputy Police Chief James Peters said." [Maybe they thought it was just robot jism.]
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Australian blood system runs on Visual Basic
Australian | Submitted by: Reid Fleming
"Australia's national blood management system is vulnerable to hacker attacks that could cause chaos and potentially endanger lives, according to a Red Cross IT insider. The new IT system for Australia's first national blood service is also tenfold over budget and four years behind schedule... But the greatest concern is the security risk caused by the fact that programmers who do the updates and corrections for Australia's blood management system are based overseas, including in Macedonia. ... 'My worry is that the system could be hacked and something could be slipped into the code and we would never know. Many of the programs are written in the Visual Basic language, which goes back some time, so we are not talking about (needing) phenomenal (hacking) skills here.'"
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Cheney still lying about Saddam and 9-11
Boston Globe | Submitted by: raw
"Vice President Dick Cheney, anxious to defend the White House foreign policy amid ongoing violence in Iraq, stunned intelligence analysts and even members of his own administration this week by failing to dismiss a widely discredited claim: that Saddam Hussein might have played a role in the Sept. 11 attacks. ... Details that Cheney cited to make the case that the Iraqi dictator had ties to Al Qaeda have been dismissed by the CIA as having no basis, according to analysts and officials. ... Vincent Cannistraro, a former CIA counterterrorism specialist, said that Cheney's 'willingness to use speculation and conjecture as facts in public presentations is appalling. It's astounding.'"
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Read article...
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Robertson still telling God what to do
WTVM-TV 9 Columbus | Submitted by: Reid Fleming
"Pat Robertson, whose Christian Broadcasting Network could be hit by Hurricane Isabel, has asked God to turn the storm away from Virginia Beach and the U-S East Coast. On today's broadcast of The 700 Club, Robertson gave God credit for turning past hurricanes away in response to prayer. ... [Robertson invoked Jesus to cause] 'this storm to go out into the sea and to pass land harmlessly.'"
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After setting up my rPi TorrentBox, I wanted to let my family access the
downloaded files.
Since they use Windows (and I don't want to bother their systems with
NFS), I wanted to install Samba on the rPi and create a read-only share
(and a weak user for them to access the share with).
I found a lot of guides for setting up Samba, but every one was missing
something, so I documented my own procedure:
1. Plan Configuration
Answer these questions before you start:
- Shares:
- Are you going to use authentication or guest access? (hint: authentication is better)
- Is the share read-only?
- What is the share name? (best to keep it in lower-case)
- What is the physical path the share is pointing to? Is it always mounted or on a removable drive?
- Users / authentication:
- Do you need to change the workgroup's name?
- Do you need to disable password encryption (VERY old clients)?
- How many different remote-access users will be required? How are they called?
- Do some users already exist as UNIX users?
It's much easier working with a clear understanding of the desired configuration.
2. Prepare Access User
Create the linux user you want to use (in my case "theothers"). You can use this command:
adduser --shell /bin/false --no-create-home
Note that:
- Shell is set to
/bin/false
to help prevent the user from actually logging in - No home directory is created, because the user isn't supposed to login anyway
3. Prepare Permissions
Make sure the access user can't do too much damage, because it might be
abused. I limited its permissions to read (since I don't want my family
messing about the directory anyway).
I won't go into the POSIX permissions model, but the best way to test
the user's permissions is to impersonate that user using
sudo su -s /bin/bash theothers
Note that the terminal prompt changes to show the impersonated user, like "theothers@bestrpi". Try and test everything:
touch
: Creating filesmkdir
: Creating directoriesls
: Listing directoriestail
: Reading files
Use exit
when finished to return to your own user
4. Install Samba
As always, you should update & upgrade before:
sudo apt-get update ; sudo apt-get upgrade
The installation couldn't be simpler:
sudo apt-get install samba
5. Create User Mapping
Assuming you're using the default authentication method (you should!),
any user accessing Samba should be imported to the Samba user database.
Use this command to add the user. I'm not sure about password
synchronization, so I just gave it the same password as the "real"
user.
sudo pdbedit -a -u theothers
6. Edit Configuration File
This is the hardest part. I'd back up the configuration file to
somewhere safe and start fresh.
Refer to this site and this one for
how the configuration file should look like.
After modifying the configuration, restart the Samba service to apply:
sudo service samba restart
You can test your shares from gnome, using "connect to server" and using the "smb" initial
7. Apply to Clients
Make sure everything works. I find it best to restart all involved
machines and testing again, to make sure all settings are persistent.
When accessing the shares from Windows, I find it best to use network
drives. Check "reconnect at sign-in" to make the drive "permanent" and
check "Connect using different credentials".
(photo from techynotes)
Use the workgroup from the Samba configuration as a domain, e..g
WORKGROUP\theothers
.
Enjoy your Samba server!


Conduct background checks on new employees.
A background check assures that a potential new employee is not a known criminal and is representing themselves truthfully.
Conduct background checks on new employees before hiring.
Contact an agency that can perform background checks. Attorneys and private investigators can often provide this service for a small fee. Instruct Human Resources staff to conduct background checks before hiring new employees who will have access to cardholder data or the cardholder data environment.


☰ Control Panel
ASU ~ IMS
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| Package | Description |
|---|---|
| net.cassite.style | |
| net.cassite.style.aggregation | |
| net.cassite.style.reflect | |
| net.cassite.style.util |
| Class and Description |
|---|
| Async
Async supporter.
|
| AsyncGroup
Joins results of a group of Async process.
|
| def
an object representing a function
|
| Entry
Entry which formats a map from key to value
|
| ForSupport
Supporter for For-to-step expression
|
| ForSupport.ToSupport
Supporter for For-to-step expression
|
| IfBlock
Supporter for if expression
|
| JSONLike
Provide a way of forming up a map in the way looks like JSON
|
| LoopInfo
Info about current Iterator.
It's a subclass of LoopInfo |
| ptr
A container of objects, usually used when accessing a non-final value from
inner classes.
|
| Style
All functions in Style tool box are provided here.
Let your class extends Style to avoid retyping
Style. which makes your coding prettier |
| StyleRuntimeException
A RuntimeException to simplify exception handling.
it is recommended to create this exception using Style.$(Throwable) |
| SwitchBlock
Supporter for switch expression
Note that it doesn't support break, because it doesn't go through other cases except the matched one. |
| Class and Description |
|---|
| Core |
| def
an object representing a function
|
| Entry
Entry which formats a map from key to value
|
| JSONLike
Provide a way of forming up a map in the way looks like JSON
|
| LoopInfo
Info about current Iterator.
It's a subclass of LoopInfo |
| var
All functions in Style tool box are provided both in Style and
here.
They are excatly the same. However sometimes you may not able to extends Style , then try
implements var to get full support.But in this way, you are still not able to invoke methods directly from static methods. Anyway implements var still works in most cases.Also you may write code like this: |
| Class and Description |
|---|
| Core |
| Style
All functions in Style tool box are provided here.
Let your class extends Style to avoid retyping
Style. which makes your coding prettier |
| Class and Description |
|---|
| Core |
| def
an object representing a function
|
| Style
All functions in Style tool box are provided here.
Let your class extends Style to avoid retyping
Style. which makes your coding prettier |


[gecode-users] Using Gecode for benchmarking
Christian Schulte
cschulte at kth.se
Mon Nov 2 11:14:45 CET 2009
Dear all,
Over the years Gecode has become a popular platform for conducting
experiments and benchmarks.
However, we kindly ask to take the following suggestions into account:
Always use the latest version of Gecode (it is pretty pointless to use a
three year old version and then draw conclusions about the state of the
art).
Use a binary package created by us or compile Gecode with its default
settings. For example, measurements with compiler optimizations switched off
do not make any statement about Gecode. This is like assessing the top-speed
of a Porsche with flat tires and handbrake on.
If you compare models among different constraint programming systems, make
sure that you compare apples with apples. The following paper discusses
common pitfalls: http://www.springerlink.com/content/gn1h43w83721m667/
Then, if you are unsure and see behavior that is difficult to explain, just
ask us! We are always willing to help.
All the best
Christian
--
Christian Schulte, www.ict.kth.se/~cschulte/
More information about the gecode-users
mailing list


Cultural Blogs
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Cultural Blog 9


Dragon BASIC, online at http://github.com/uli/dragonbasic
APPEND$ - Appends one string to another, returning a new string.
COMPARE - Compare two strings for equality.
HEX$ - Converts an integer to a string.
LEFT$ - Gets the left portion of a string.
LEN - Calculates the length of a string.
MID$ - Gets the middle portion of a string.
MOVE - Copies one string into another.
PRINT - Prints a string to a tiled background.
RESIZE - Resizes the length of a string.
RIGHT$ - Gets the right portion of a string.
STR$ - Converts an integer to a string.


DANDY
Word commands
Press the buttons below to make your NAO speak on command.
Stop
Wait
Your turn
Please sit down
Great job!
Go!
Text-To-Speech
If you want your NAO robot to say something special, you can enter it into the text area down below!
Enter what you want your NAO robot to say!
Submit
Feature dropdown menu
Click on the features in the dropdown menu to start the feature. .
Feature dropdown
Yoga
Meditation
Maths
Letter Land
Stories to Read
Body parts
Cooking Steps
Wellbeing Expectations
Dance
Jokes
Games
Remove options box.
Options
Click on the various songs you want Dandy to dance too!
Celebration
Cotton-Eye Joe
Ghostbusters
Happy
I Gotta Feeling
Macarena
One More Time
Titanium
Robot Options
Control the volume.
Volume
STOP


|
Bouncy Castle Cryptography Library 1.46 | ||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object org.bouncycastle.asn1.x509.X509Extension
public class X509Extension
an object for the elements in the X.509 V3 extension block.
| Constructor Summary | |
|---|---|
X509Extension(boolean critical,
ASN1OctetString value)
|
|
X509Extension(DERBoolean critical,
ASN1OctetString value)
|
| Method Summary | |
|---|---|
static ASN1Object |
convertValueToObject(X509Extension ext)
Convert the value of the passed in extension to an object |
boolean |
equals(java.lang.Object o)
|
ASN1Encodable |
getParsedValue()
|
ASN1OctetString |
getValue()
|
int |
hashCode()
|
boolean |
isCritical()
|
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
public static final ASN1ObjectIdentifier subjectDirectoryAttributes
public static final ASN1ObjectIdentifier subjectKeyIdentifier
public static final ASN1ObjectIdentifier keyUsage
public static final ASN1ObjectIdentifier privateKeyUsagePeriod
public static final ASN1ObjectIdentifier subjectAlternativeName
public static final ASN1ObjectIdentifier issuerAlternativeName
public static final ASN1ObjectIdentifier basicConstraints
public static final ASN1ObjectIdentifier cRLNumber
public static final ASN1ObjectIdentifier reasonCode
public static final ASN1ObjectIdentifier instructionCode
public static final ASN1ObjectIdentifier invalidityDate
public static final ASN1ObjectIdentifier deltaCRLIndicator
public static final ASN1ObjectIdentifier issuingDistributionPoint
public static final ASN1ObjectIdentifier certificateIssuer
public static final ASN1ObjectIdentifier nameConstraints
public static final ASN1ObjectIdentifier cRLDistributionPoints
public static final ASN1ObjectIdentifier certificatePolicies
public static final ASN1ObjectIdentifier policyMappings
public static final ASN1ObjectIdentifier authorityKeyIdentifier
public static final ASN1ObjectIdentifier policyConstraints
public static final ASN1ObjectIdentifier extendedKeyUsage
public static final ASN1ObjectIdentifier freshestCRL
public static final ASN1ObjectIdentifier inhibitAnyPolicy
public static final ASN1ObjectIdentifier authorityInfoAccess
public static final ASN1ObjectIdentifier subjectInfoAccess
public static final ASN1ObjectIdentifier logoType
public static final ASN1ObjectIdentifier biometricInfo
public static final ASN1ObjectIdentifier qCStatements
public static final ASN1ObjectIdentifier auditIdentity
public static final ASN1ObjectIdentifier noRevAvail
public static final ASN1ObjectIdentifier targetInformation
| Constructor Detail |
|---|
public X509Extension(DERBoolean critical, ASN1OctetString value)
public X509Extension(boolean critical, ASN1OctetString value)
| Method Detail |
|---|
public boolean isCritical()
public ASN1OctetString getValue()
public ASN1Encodable getParsedValue()
public int hashCode()
hashCode
in class java.lang.Object
public boolean equals(java.lang.Object o)
equals
in class java.lang.Object
public static ASN1Object convertValueToObject(X509Extension ext) throws java.lang.IllegalArgumentException
ext
- the extension to parse
java.lang.IllegalArgumentException
- if conversion is not possible
|
Bouncy Castle Cryptography Library 1.46 | ||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |


Kill
Heal
Add armor
Add Money
Remove Money
Buy Armor
What's New?
We have changed the defalt health damage up to 2 so click Kill,
then add armor then hit kill it will reduce health by 1 instead of 2!!
Info
Money:
Health:
Armor:
Alerts


Paragraphs don’t require any special markup in AsciiDoc. A paragraph is just one or more lines of consecutive text.
To begin a new paragraph, separate it by at least one blank line.
Paragraphs don’t require any special markup in AsciiDoc. A paragraph is just one or more lines of consecutive text.
To begin a new paragraph, separate it by at least one blank line.
Paragraphs don’t require any special markup in AsciiDoc. A paragraph is just one or more lines of consecutive text.


from IPython.display import HTML
HTML('''<script>
code_show=true;
function code_toggle() {
if (code_show){
$('div.input').hide();
$('div.prompt').hide();
} else {
$('div.input').show();
$('div.prompt').show();
}
code_show = !code_show
}
$( document ).ready(code_toggle);
</script>
<form action="javascript:code_toggle()"><input type="submit" value="Code Toggle"></form>''')
from IPython.display import HTML
HTML('''
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The linear elastic energy of a body is
\begin{equation} E_{\rm elastic}=\frac{1}{2}\int \sigma_{ij}\epsilon_{ij}\,dV=\frac{1}{2}\int C_{ijkl}\epsilon_{ij}\epsilon_{kl}\,dV, \end{equation}where $\sigma_{ij}=C_{ijkl}\epsilon_{kl}$ is the stress, $C_{ijkl}$ is the elastic tensor, and $\epsilon_{ij}$ is the strain, \begin{equation} \epsilon_{ij}=\frac{1}{2}\left[\frac{\partial u_i}{\partial x_j}+\frac{\partial u_j}{\partial x_i}\right], \end{equation} with $u_i$ the displacement field. The indices $i,j,k,l$ run from 1 to 3, and $x_i,\,i=1,2,3$, are Cartesian coordinates; we are using Einstein summation convention so repeated indices are summed over.
The elastic tensor obeys symmetries $C_{ijkl}=C_{jikl}=C_{ijlk}=C_{jilk}$ and $C_{ijkl}=C_{klij}$. These symmetries imply that there are only 21 independent entries in the elastic tensor. Usually Voigt notation is used, in which the four indices $ijkl$ are replaced by two indices $IJ$. The mapping for each pair $ij$ (or $kl$) is $11\to1$, $22\to2$, $33\to3$, $23\to4$ (and $32\to4$), $13\to5$ (and $31\to5$), and $12\to6$ (and $21\to6$). The crystal symmetry may further reduce the number of independent entries. In an orthorombic crystal, there are only nine independent entries, and they are (in Voigt notation) $C_{11}, C_{22}, C_{33}, C_{44}, C_{55}, C_{66}, C_{12}, C_{13}$, and $C_{23}$. The tensor $C_{IJ}$ thus has the form
\begin{equation} \left( \begin{matrix} C_{11} & C_{12} & C_{13} & 0 & 0 & 0\\ C_{12} & C_{22} & C_{23} & 0 & 0 & 0 \\ C_{13} & C_{23} & C_{33} & 0 & 0 & 0 \\ 0 & 0 & 0 & C_{44} & 0 & 0\\ 0 & 0 & 0 & 0 & C_{55} & 0\\ 0 & 0 & 0 & 0 & 0 & C_{66} \end{matrix} \right). \end{equation}For tetragonal symmetry, there are six independent entries, $C_{11}, C_{33}, C_{44}, C_{66}, C_{12}$, and $C_{13}$.
Aluminum silicate, Al$_2$SiO$_5$ is a crystal with orthorombic symmetry and unit cell parameters $a=7.738\;\unicode{x212B}$ , $b=7.857\;\unicode{x212B}$, and $c=5.534\;\unicode{x212B}$. The elastic tensor is given by $C_{11}=233.4$, $C_{22}=289.0$, $C_{33}=380.1$, $C_{44}=99.5$, $C_{55}=87.8$, $C_{66}=112.3$; $C_{11}+C_{22}-2C_{12}=233.4$, $C_{11}+C_{33}-2C_{13}=380.9$, and $C_{22}+C_{33}-2C_{23}=506.3$, all in units of GPa.
(a) (Potato in space) What is the equilibrium shape of a 0.0042~$\mu$m$^3$ volume of Al$_2$SiO$_5$ in free space (stress-free boundaries)? Take the surface energy, $\gamma$, to be equal to 200 mJ/m$^2$. The crystalline axes $a$, $b$, and $c$ are aligned with the $x$, $y$, and $z$-axes of a Cartesian lab coordinate system.
This problem can be cast as a phase field problem, where the phase field $\varphi\in[0,1]$ takes the value of 1 in one phase (the "potato"), and a value of 0 in the other (the surrounding vacuum). Thus, the total free energy can be written \begin{equation} {\mathcal F}=\int \left[f_{\rm elastic}+\frac{\kappa}{2}|\nabla\varphi|^2+h_0f(\varphi)\right]\,dV, \end{equation} with the integral extended over all space, where $f(\varphi)$ is a (dimensionless) double-well function \begin{equation} f(\varphi)=\varphi^2\left[\varphi-1\right]^2, \end{equation} and $h_0$ has the dimension of energy per unit volume. The interface width $W$ between approximately $\varphi=0.1$ and $\varphi=0.9$ in this model is given by $W=2\sqrt{2\kappa/h_0}$, while $\gamma=\sqrt{\kappa h_0/18}$, $\kappa=1.5\gamma W$, and $h_0=12\gamma/W$ (ignoring modification of the phase field order parameter $\varphi$ by the elastic interactions through the interface). Use $\kappa=3\times10^{-9}$~J/m, and $h_0=2.4\times10^{8}$~J/m$^3$.
We use a simple interpolation of the elastic constants,
\begin{equation} C_{ijkl}=h(\varphi)C_{ijkl}^{\rm potato},%+\left[1-h(\varphi)\right]C_{ijkl}^{\rm matrix}, \end{equation}where $h(\varphi)$ is a smooth interpolation function, \begin{equation} h(\varphi)=\varphi^3\left[6\varphi^2-15\varphi+10\right], \end{equation} that interpolates between $h(\varphi=0)=0$ and $h(\varphi=1)=1$.
Hint: find time-evolution equations for $\varphi$ that monotonically drive the total energy to a minimum while preserving the volume. One way to do this is to set up a Cahn-Hilliard equation for $\varphi$.
(b) (Compressed potato in space) What is the equilibrium shape of a 0.0042 $\mu$m$^3$ volume Al$_2$SiO$_5$ with uniaxial compressive stress of 500~MPa applied in the $z$-direction? Note that the strain must go to zero far from the "potato."
(c) (Potato in a stew) A volume of Al$_2$SiO$_5$ is embedded coherently in a matrix of tetragonal symmetry with unit cell parameters $a_m=b_m=7.6918\;\unicode{x212B}$ and $c_m=5.5674\;\unicode{x212B}$ such that $a$ and $a_m$, $b$ and $b_m$ and $c$ and $c_m$ are pairwise aligned. The elastic tensor of the matrix is given by $C_{11}=C_{22}=269.0$, $C_{12}=177.0$, $C_{13}=146.0$, $C_{33}=480.0$, $C_{44}=124.0$, and $C_{66}=192.0$, all in units of GPa.
This problem can also be cast as a phase field problem, where now the phase field $\varphi\in[0,1]$ takes the value of 1 in one phase (the inclusion), and a value of 0 in the other (the matrix). The total free energy is again \begin{equation} {\mathcal F}=\int \left[f_{\rm elastic}+\frac{\kappa}{2}|\nabla\varphi|^2+h_0f(\varphi)\right]\,dV, \end{equation} where $f(\varphi)$ is given by above.
The interpolation of the elastic constants is now,
\begin{equation} C_{ijkl}=h(\varphi)C_{ijkl}^{\rm inclusion}+\left[1-h(\varphi)\right]C_{ijkl}^{\rm matrix}, \end{equation}where again $h(\varphi)$ is a smooth interpolation function given above.
In the elastic energy, the relevant strain is the total strain $\epsilon_{ij}$ minus the local misfit strain $\epsilon^0_{ij}$, so
\begin{equation} f_{\rm elastic}=\frac{1}{2}C_{ijkl}\left(\epsilon_{ij}-\epsilon^0_{ij}\right)\left(\epsilon_{kl}-\epsilon^0_{kl}\right). \end{equation}We will use Vegard's law to determine the local misfit strain, for which we just interpolate the crystallographic misfit strain tensor, $\epsilon^T_{ij}$:
\begin{equation} \epsilon^0_{ij}=h(\varphi)\epsilon^T_{ij}, \end{equation}where $h(\varphi)$ is the interpolation function, and $\epsilon^T_{ij}$ is \begin{equation} \epsilon^T_{ij}=\left( \begin{matrix} \frac{a-a_m}{a_m} & 0 & 0\ 0 & \frac{b-b_m}{b_m} & 0\ 0& 0 & \frac{c-c_c}{c_m} \end{matrix} \right). \end{equation}
Find the equilibrium shape of an isolated inclusion with a volume of 0.0042 $\mu$m$^3$ for $\kappa=3\times10^{-9}$ J/m, and $h_0=2.4\times10^{8}$ J/m$^3$. Use as an initial condition a prolate ellipsoid with $a=c=0.155$ $\mu$m and $b=0.042$ $\mu$m. Because of elastic strain energy and interfacial energy within the system, you will need to increase the intial values of the phase field variable in the matrix and the precipitate (e.g., $\varphi$ in the precipitate $\approx$ 1.05; $\varphi$ in the matrix $\approx 0.05$). Note that the strain must go to zero far from the "potato".
For parts (a) - (c), present a rendering of the final shape as well as the lengths of the "potato" along the principal axes, and also track the total free energy as function of "time" and plot it.


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|
Bitstream Interpretation Library (BIL)
0.1
|
A register for setting/checking the target device type. More...
#include <packetprocessor/V5IDCODERegister.hpp>
Public Member Functions | |
| V5IDCODERegister (V5FDRIRegister &fdriReg, const V5AddressLayoutRegistry ®istry) | |
| Constructs a V5IDCODERegister instance. | |
| virtual void | write (const boost::uint32_t *words, size_t wordCount) |
| When writing a word, it will be set as current ID code by calling deviceID(). | |
| virtual void | read (boost::uint32_t *words, size_t wordCount) const |
| When reading a word, the current ID code will be returned. | |
| void | idCode (DeviceID::ID_t id) |
| Sets device ID code, looks up the corresponding address layout in the address layout registry, and copies it to FDRI register. | |
| DeviceID::ID_t | idCode () const |
| Gets current device ID code. | |
| V5FDRIRegister & | fdriRegister () const |
| Gets linked V5FDRIRegister instance. | |
| const V5AddressLayoutRegistry & | layoutRegistry () const |
| Gets linked V5AddressLayoutRegistry instance. | |
| Public Member Functions inherited from bil::Register | |
| Register (RegisterAddress::address_t address, const std::string &name, bool writable=true, bool readable=true) | |
| Constructs a Register instance. | |
| virtual | ~Register ()=0 |
| Destructs a Register instance. | |
| RegisterAddress::address_t | address () const |
| Gets register address. | |
| const std::string & | name () const |
| Gets register name. | |
| bool | writable () const |
| Tells if register is writable. | |
| bool | readable () const |
| Tells if register is readable. |
A register for setting/checking the target device type.
The IDCODE register is an one word write- and readable register. It contains the device ID code of the device to be configured. Writes will set this ID code (and prepare the FDRI register for that device); reads will return the current ID code.
Definition at line 28 of file V5IDCODERegister.hpp.
| V5IDCODERegister::V5IDCODERegister | ( | V5FDRIRegister & | fdriReg, |
| const V5AddressLayoutRegistry & | registry | ||
| ) |
Constructs a V5IDCODERegister instance.
| fdriReg | Reference to a V5FDRIRegister instance that should be linked to this register (e.g. for doing target device related setup of FDRI). |
| registry | Reference to a V5AddressLayoutRegistry instance that should be linked to this register (e.g. for looking up address layouts based on the device ID). |
Definition at line 15 of file V5IDCODERegister.cpp.
|
virtual |
When writing a word, it will be set as current ID code by calling deviceID().
| words | Pointer to data words to write. |
| wordCount | Number of data words to write. |
| . |
Reimplemented from bil::Register.
Definition at line 25 of file V5IDCODERegister.cpp.
|
virtual |
When reading a word, the current ID code will be returned.
| words | Pointer to data buffer. |
| wordCount | Number of data words to read. |
| . |
Reimplemented from bil::Register.
Definition at line 36 of file V5IDCODERegister.cpp.
| void V5IDCODERegister::idCode | ( | DeviceID::ID_t | id | ) |
Sets device ID code, looks up the corresponding address layout in the address layout registry, and copies it to FDRI register.
| id | The new ID code. |
| . |
Definition at line 47 of file V5IDCODERegister.cpp.
| DeviceID::ID_t V5IDCODERegister::idCode | ( | ) | const |
Gets current device ID code.
Definition at line 62 of file V5IDCODERegister.cpp.
| V5FDRIRegister & V5IDCODERegister::fdriRegister | ( | ) | const |
Gets linked V5FDRIRegister instance.
Definition at line 68 of file V5IDCODERegister.cpp.
| const V5AddressLayoutRegistry & V5IDCODERegister::layoutRegistry | ( | ) | const |
Gets linked V5AddressLayoutRegistry instance.
Definition at line 74 of file V5IDCODERegister.cpp.


There was once a lizard. She was a friend of the deer. The lizard said,
Friend, take care of my child because I am going to catch fish.
While I am away do not dance because you might step on my child. then she left.
She reached the river and started to fish. When she had been fishing for some time,
she felt tired, for she did not catch any.
Soon she heard a noise in the house. She returned home immediately
because she became worried about her child.

She said, What caused the death of my child?
The deer said, I stepped on it because I danced, for I heard the mangawag bird yelling.
The lizard said, Come with me and let us ask from ba.i’ why she yelled.
Now they left.
When they reached the home of the mangawag, the lizard asked, Why did you yell?
The mangawag said, I yelled because I heard the woodpecker drumming the tree.
I was surprised why she was tapping the tree.
The lizard said, Come and let us go to her. Then they left.
When they reached the place, immediately the lizard asked, Ba.i’, why did you tap the tree?
The woodpecker said, I tapped the tree because I was surprised that the crocodile was drying up her limbutung under the sun.
The lizard said, Come with me and let us go to the crocodile and ask her why she was drying up her limbutung.
They started right away.
When they reached the crocodile said, Ba.i’, what news do you bring me?
The lizard said, We are asking you why you were drying up your limbutung.
The crocodile answered, I dried up my limbutung because I was surprised
that the shrimp was carrying his gun downstream.
Then the lizard said, Come with me and we shall ask the shrimp why he was carrying his gun.
They left at once, and went to the shrimp and when they reached there the lizard asked, Ba.i’,
why did you carry your gun? The shrimp replied,
I carried my gun because I was afraid of the lizard who was running after me.
The lizard was surprised too,
she did not say any word because she saw the cause of the trouble. She was not able to say anything,
so she lost her case.
- THE END -


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0 |
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--- title: "Problem Set 5" editor_options: chunk_output_type: console ---
Due by 11:59 PM Sunday, April 25, 2021 by PDF upload in Blackboard Assignments
Please type your answers to the following questions in a document and save as a PDFIn MS Word, or Pages, or most word processing software, File -> Save As -> PDF, or File -> Export -> PDF.
to upload on Blackboard under Assignments. You may handwrite answers if you will be able to scan/photograph & convert them to a single PDF, if they are easily readable, but this is not preferred. See my guide to making a PDF - an essential skill in the modern world. If you are handwriting answers, you may print the pdf
above and write on it, or just write on a piece of paper (we only need your answers).
For the few questions that ask you to draw a graph, try to do so on your computer (use MS Paint, the drawing tools in MS Word or MS Powerpoint, plot points in MS Excel, drawing/notetaking apps, etc.), and save it as an image to include on your homework document. Again, they need not be perfect or to scale, just show that you understand the broad idea. Being able to understand and sketch the graphs is still a very important and useful skill! If all else fails, I will be lenient in grading graph questions if you are unable to technologically include a graph.
You may work together (and I highly encourage that) but you must turn in your own answers. Your TA, under my supervision, will grade homeworks 70% for completion, and for the remaining 30%, and one question will be graded for accuracy - so it is best that you try every problem, even if you are unsure how to complete it accurately.
Please answer the following questions briefly (1-3 sentences). Use examples as necessary. Be sure to label graphs fully, if appropriate.
In your own words, what do (1) allocative efficiency, (2) productive efficiency, and (3) Pareto efficiency mean? Under what three conditions are markets efficient?
In your own words, what are the functions of market prices in society?
In your own words, what are transaction costs, and how do they affect exchange?
In your own words, explain the law of one price. Why would we expect it to be true (i.e. what market processes push us towards the predicted outcome)? What might prevent the same goods from being exchanged at the same price?Hint: Think about your answer to the previous question!
In your own words, explain what entrepreneurship is, and how it affects market prices.
In your own words, explain what consumer surplus and producer surplus mean. If Ann is willing to pay up to $6,000 for a used car, but buys it at a market price of $2,000, what is her consumer surplus? What is the producer’s surplus for Bob, who sells Ann the car for $2,000, but would be willing to go as low as $1,000?
In your own words, explain why consumers who have less elastic demand earn greater consumer surplus.
In your own words, explain what an externality is. Give an example, and draw a graph — either for a negative externality or a positive externality. Explain some possible ways that the problem can be solved.
In your own words, explain what a public good is, and give an example. Explain why markets face problems providing public goods.
In your own words, explain the “nirvana fallacy” and provide an example.
Show all work for calculations. You may lose points, even if correct, for missing work. Be sure to label graphs fully, if appropriate.
The Ministry of Tourism in the Republic of Palau estimates that the monthly supply and demand for its scuba diving tours are: \[\begin{align*} q_S&=30p-2000\\ q_D&=6000-20p\\ \end{align*}\] > where quantity represents the number of individual dives each month and \(p\) is the price of a two-tank dive.
Calculate the equilibrium quantity and price (\(q^*,p^*)\).
Calculate the consumer surplus received by divers visiting Palau, and the producer surplus received by the dive ships.
Calculate the price elasticity of demand at equilibrium. Is it relatively elastic or inelastic?
Calculate the price elasticity of supply at equilibrium. Is it relatively elastic or inelastic?
Who earns more surplus, consumers or producers, and why?
Suppose that the demand for scuba diving services increases, and that the new demand curve is given by \(q_D'=7,000-20P\). Calculate the impact of this change in demand on the consumer surplus and producer surplus.
Draw a well-labelled graph of all that you found in this question (label prices, quantities, surpluses, curves, etc).
The market for hotel rooms in a small town is characterized by the following equations:
\[\begin{align*} q_D&=200-0.4p\\ q_S&=0.8p-40\\ \end{align*}\]
Calculate the equilibrium price and quantity.
Calculate the price elasticity of demand and price elasticity of supply in equilibrium. Is each relatively elastic or inelastic?
Calculate the consumer and producer surplus in equilibrium. Who gets more surplus, and why?
Suppose the local government sets a price ceiling on the price of hotel rooms - saying they can charge no more than $150/night. At $150, how many hotel rooms do consumers want to rent, and how many rooms do the hotels want to rent out? What is this situation?
Explain what would happen as a result of part D if the price were allowed to change.
The price cannot change because of the price control. Hotels will only rent out the quantity you found in part D. Calculate consumer surplus and producer surplus at this price and quantity. Compare it to your answer in part C, what has changed?
Due to the situation created, how do you think those hotel rooms will be allocated and why?Hint: Think about the example we did with COVID.


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chia-dotnet
Cross-platform .Net5 rpc client library for chia.
Status
Still very much a work in progress. Websocket communication to the daemon
works and can proxy messages to other services.
Browse the api documentation and integration test code for more info and examples.
Quick Start Notes
using Daemon daemon = new Daemon(Config.Open().GetEndpoint("daemon"), "my-fancy-service");
await daemon.Connect(CancellationToken.None);
await daemon.Register(CancellationToken.None);
var message = Message.Create("get_blockchain_state", new ExpandoObject(), ServiceNames.FullNode, daemon.ServiceName);
var state = await daemon.SendMessage(message, CancellationToken.None);


Reading: Text: Chapters 6,7.
What is so important about DFT that it led to the 1998 Nobel Prize in Chemistry for Walter Kohn? Why did it happen in 1998? Why in Chemistry?
DFT is by far the main method used for realistic calculations in solids. Under what circumstances does it appear to be successful? When are present approximations not successful? This lecture and the next are devoted to the theory and description of some typical results.
- The Hohenberg-Kohn Theorems
- These are exact theorems that ALL properties of electron systems are functionals of the density
- Holds the promise of solving many-electron problems WITHOUT dealing with the full many-body wave-function
- But no hint of how to accomplish this! Must still solve the many-body problem to find the functional
- Analogy with P-V relation of a classical liquid - Legendre transformation between V and P as independent variables
- What are reasons that transforming to in terms of density instead` of potential?
- The hard parts to calculate are effects of correlation among the electrons. This is intrinsically a function of density (how far apart the the electrons are). It is only an indirect functional of the potential.
- Kohn-Sham Auxiliary system
- The H-K theorems expressions in terms of many-body expectation values, but is this useful?
- Exact expressions in terms of many-body expectation values, but is this useful?
- Replace interacting-electron problem with non-interacting particle problem
- Require the density be the same as interacting-electron system (not proven in general that this is possible)
- Leads to density and ground state energy of the interacting-electron system by solving appropriate non-interacting particle equations called the Kohn-Sham equations
- NO other properties are guaranteed to be given correctly by solution of Kohn-Sham equations
- Force`and Stress are also given exactly in principle. They are ground state properties given by the "force theorem" ("Helmann-Feynman theorem", even though a small displacement of an atom can be expressed in terms of perturbation theory involving excitations. Similarly for the "stress theorem"
- This is valid in an interacting particle system. It is independent of the HK theorem, but the analogy can be instructive.
- Conclusions


| Package | Description |
|---|---|
| com.sri.ai.grinder.api | |
| com.sri.ai.grinder.core.solver | |
| com.sri.ai.grinder.group | |
| com.sri.ai.grinder.interpreter | |
| com.sri.ai.grinder.tester |
| Modifier and Type | Method and Description |
|---|---|
AssociativeCommutativeGroup |
MultiQuantifierEliminationProblem.getGroup() |
| Modifier and Type | Method and Description |
|---|---|
default Expression |
MultiQuantifierEliminator.extendContextAndSolve(AssociativeCommutativeGroup group,
ExtensionalIndexExpressionsSet indexExpressions,
Expression indicesCondition,
Expression body,
Context context) |
default Expression |
MultiQuantifierEliminator.extendContextAndSolve(AssociativeCommutativeGroup group,
java.util.List<Expression> indices,
Expression body,
Context context)
Convenience substitute for
#extendContextAndSolve(AssociativeCommutativeGroup, Expression, Expression, Collection, Context)
assuming a true constraint. |
default Expression |
MultiQuantifierEliminator.solve(AssociativeCommutativeGroup group,
Expression expression,
java.util.List<Expression> indices,
java.util.Map<java.lang.String,java.lang.String> mapFromSymbolNameToTypeName,
java.util.Map<java.lang.String,java.lang.String> mapFromCategoricalTypeNameToSizeString,
java.util.Collection<Type> additionalTypes,
com.google.common.base.Predicate<Expression> isUniquelyNamedConstantPredicate,
Theory theory)
Convenience substitute for
#extendContextAndSolve(AssociativeCommutativeGroup, Collection, Expression, Context) that takes care of constructing the Context
given the data required to build it. |
default Expression |
MultiQuantifierEliminator.solve(AssociativeCommutativeGroup group,
java.util.List<Expression> indices,
Expression indicesConstraint,
Expression body,
Context context)
Returns the summation (or the provided semiring additive operation) of an expression over the provided set of indices and a constraint on them
|
| Modifier and Type | Field and Description |
|---|---|
AssociativeCommutativeGroup |
AbstractMultiQuantifierEliminationProblem.group |
| Modifier and Type | Method and Description |
|---|---|
AssociativeCommutativeGroup |
SingleQuantifierEliminationStepSolver.getGroup() |
AssociativeCommutativeGroup |
MultiQuantifierEliminationProblemWrapper.getGroup() |
AssociativeCommutativeGroup |
AbstractSingleQuantifierEliminationStepSolver.getGroup() |
AssociativeCommutativeGroup |
AbstractMultiQuantifierEliminationProblem.getGroup() |
| Modifier and Type | Method and Description |
|---|---|
static java.util.List<Integration> |
IntegrationRecording.getIntegrationsOverGroup(AssociativeCommutativeGroup group) |
static int |
IntegrationRecording.getNumberOfIntegrationsOverGroup(AssociativeCommutativeGroup group) |
static DefaultMultiQuantifierEliminationProblem |
DefaultMultiQuantifierEliminationProblem.makeProblem(AssociativeCommutativeGroup group,
java.util.List<Expression> indices,
Expression indicesCondition,
Expression body,
Context context) |
| Modifier and Type | Interface and Description |
|---|---|
interface |
AssociativeCommutativeSemiRing
Object representing an associative commutative semi-ring.
|
| Modifier and Type | Class and Description |
|---|---|
class |
AbstractAssociativeCommutativeGroup
An abstract implementation specifying that toString returns the object's name as extracted from the class name.
|
class |
AbstractFunctionBasedGroup
A group whose related problems are represented as function applications on sets
(e.g.: sum({{ (on X in Integer) X | X > 0 and X < 5 }}) ). |
class |
AbstractNumericGroup
An abstract implementation of groups on numbers, capable of processing symbolic numeric expressions,
and leaving the additive operation to be specified by abstract methods.
|
class |
AbstractQuantifierBasedGroup
A group whose related problems are represented by a quantified expression
(e.g.: for all X in Integer: X > 0 and X < 5 ). |
class |
Conjunction
Object representing a group on booleans and conjunction.
|
class |
Disjunction
Object representing a group on booleans and disjunction.
|
class |
Max
Object representing a group on symbolic numbers with the maximum operation.
|
class |
Product
Object representing a group on symbolic numbers with multiplication.
|
class |
Sum
Object representing a group on symbolic numbers with addition.
|
class |
SumProduct
Object representing a group on symbolic numbers with addition.
|
| Modifier and Type | Method and Description |
|---|---|
Expression |
AbstractIterativeMultiQuantifierEliminator.extendContextAndSolve(AssociativeCommutativeGroup group,
ExtensionalIndexExpressionsSet indexExpressions,
Expression indicesCondition,
Expression body,
Context context) |
| Constructor and Description |
|---|
AdderIterator(AssociativeCommutativeGroup group,
java.util.Iterator<Assignment> assignmentIterator,
Expression body,
TopRewriterUsingContextAssignments topRewriterUsingContextAssignments,
Context context) |
| Modifier and Type | Method and Description |
|---|---|
static void |
SGDPLLTTester.testGroupProblemSolvingForMultipleIndices(int numberOfIndices,
boolean testAgainstBruteForce,
AssociativeCommutativeGroup group,
TheoryTestingSupport theoryTestingSupport,
long numberOfTests,
int maxNumberOfLiterals,
int bodyDepth,
boolean outputCount)
Given a list of problem types, a theory and a number
n of tests,
generates n problems with given number of indices and body depth (number of levels of if then else expressions)
and checks if symbolic evaluation works (checked by brute force). |
static void |
SGDPLLTTester.testGroupProblemSolvingForMultipleIndicesForTheoriesWithoutConstraintLiterals(int numberOfIndices,
boolean testAgainstBruteForce,
AssociativeCommutativeGroup group,
TheoryTestingSupport theoryTestingSupport,
long numberOfTests,
int bodyDepth,
boolean outputCount)
Same as
SGDPLLTTester.testGroupProblemSolvingForMultipleIndices(int, boolean, AssociativeCommutativeGroup, TheoryTestingSupport, long, int, int, boolean) ,
but for theories without constraint literals (usually translation-based theories). |
static void |
SGDPLLTTester.testGroupProblemSolvingForSingleVariableConstraints(boolean testAgainstBruteForce,
AssociativeCommutativeGroup group,
TheoryTestingSupport theoryTestingSupport,
long numberOfTests,
int maxNumberOfLiterals,
int bodyDepth,
boolean outputCount)
Given a list of problem types, a theory and a number
n of single-variable constraint tests,
generates n problems with given body depth (number of levels of if then else expressions)
and checks if symbolic evaluation works (checked by brute force). |
static void |
SGDPLLTTester.testGroupProblemSolvingForSingleVariableConstraintsForTheoriesWithoutConstraintLiterals(boolean testAgainstBruteForce,
AssociativeCommutativeGroup group,
TheoryTestingSupport theoryTestingSupport,
long numberOfTests,
int bodyDepth,
boolean outputCount)
Same as
SGDPLLTTester.testGroupProblemSolvingForSingleVariableConstraints(boolean, AssociativeCommutativeGroup, TheoryTestingSupport, long, int, int, boolean) ,
but for theories without constraint literals (usually translation-based theories). |


Sentencing scheduled Tuesday for man who killed Belgian tourist
Sean McKenzie pleaded guilty to second-degree murder of 28-year-old Amelie Sakkalis near Boston Bar
by Paul HendersonA sentencing hearing is scheduled to be held Tuesday for the 27-year-old Oliver man who killed a Belgian tourist near Boston Bar in 2008.
Sean McKenzie pleaded guilty in BC Supreme Court in New Westminster on Sept. 23 to killing 28-year-old Amelie Sakkalis in August 2018.
• READ MORE: Oliver man pleads guilty to killing 28-year-old Belgian tourist near Boston Bar
• READ MORE: First court date in Chilliwack for man accused of murdering Belgian tourist
Sakkalis’s body was found near Highway 1 north of Boston Bar on August 22, 2018 at approximately 7:45 p.m.
“Amelie’s murder was a shock to the community and even for our seasoned investigators,” IHIT spokesperson Sgt. Frank Jang said.
Visit www.theprogress.com for an update on the case.


| cvt | Centroidal Voronoi (Dirichlet) tessellation. |
| deldir | Delaunay triangulation and Dirichlet tessellation |
| divchain | Dividing chain. |
| divchain.default | Dividing chain. |
| divchain.deldir | Dividing chain. |
| duplicatedxy | Determine duplicated points. |
| grapherXmpl | grapherXmpl |
| lawSummary | Produce a Lewis-Aboav-Weaire summary of a tessellation. |
| niProperties | Northern Ireland properties. |
| plot.deldir | Plot objects produced by deldir |
| plot.divchain | Plot a dividing chain. |
| plot.tile.list | Plot Dirichlet (Voronoi) tiles |
| plot.triang.list | Plot Delaunay triangles |
| print.deldir | Print some information about a tessellation/triangulation. |
| print.tileInfo | Print a summary of tile information. |
| seaweed | seaweed |
| tile.centroids | Compute centroids of Dirichlet (Voronoi) tiles |
| tile.list | Create a list of tiles in a tessellation |
| tileArea | Area of a Dirichlet tile. |
| tileInfo | Extract information from a tile list. |
| tilePerim | Calculate tile perimeters. |
| toyPattern | A toy marked point pattern object, with 59 points. |
| triang.list | Create a list of Delaunay triangles |
| triMat | Produce matrix of triangle vertex indices. |
| volTriPoints | Solute plume concentration data set. |
| which.tile | Determine the tile containing a given point. |