First Steps
1. Click and drag the piano block onto the workspace.
2. Drag in a "green block". Connect these together.
3. Click on the dark blue plus button and click an option.
4. A note will appear. Move this by pressing the arrows shown when your mouse on a note.
5. Click the play button. You should hear the note playing!
Alittle more...
1. Click on the "Time" tab.
2. Drag in the repeat block and connect it.
3. Press play!
4. Now try to make the picture below! What happens?
Task!
Write a short piece of music using any of Codetta's blocks. Feel free to figure out what different blocks do.
You can spend as long as you like on the music - minimum 15 mins!
When you are happy with your music, close the program!
Please then complete a short questionaire, found in your parents e-mail.


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Monday's weather: Cold start today with frost and patches of freezing fog
by NewstalkToday
A cold start today with frost and patches of freezing fog slow to clear in places, leading to difficult driving conditions.
A dry and sunny day is expected with highest temperatures generally 6 to 9 degrees, a good deal lower where fog lingers into the afternoon.
Light variable winds will back southeasterly later in the day and freshen along Atlantic coasts.
Tonight
Tonight cloud will thicken from the west with rain on the west coast overnight, slowly spreading eastwards in to Connacht and West Munster.
Lowest temperatures will be between plus 1 and plus 4 degrees, coldest in the north with a light to moderate southeast wind.
Status Yellow - Low-Temperature warning for Connacht, Cavan, Monaghan, Donegal, Carlow, Kildare, Kilkenny, Laois, Longford, Louth, Offaly, Westmeath, Meath, Clare, Cork, Kerry, Limerick, Tipperary
Minimum air temperatures will range -2 to -4 degrees Celsius. Widespread severe frost with the risk of icy patches. Some pockets of freezing fog also.
Valid until 10am.


Here's a novel version of the more traditional 2D Rose chart - the 3D Rose chart. It doesn't add any advantages over the 2D version - though it might make your presentations look a little nicer!
There are tooltips, which you can see by clicking on the segments as usual. These tooltips were formerly built dynamically. They still are currently however the method that's used has changed to the new (version 5.22) formatted tooltips.
This means the amount of code has been both reduced and simplified. The tooltips are created by
concatenating the name (the %{property:myNames[%{index}]}
bit) and the value (the
%{value}
bit).
In terms of responsive
features, on smaller screens, it switches from 3D to 2D and is slightly smaller.
The labels are changed from the full names of the weekdays to the shorter three-letter
variations.
<script src="RGraph.common.core.js"></script> <script src="RGraph.common.dynamic.js"></script> <script src="RGraph.common.tooltips.js"></script> <script src="RGraph.rose.js"></script>Put this where you want the chart to show up:
<div style="float:right"> <canvas id="cvs" width="600" height="300">[No canvas support]</canvas> </div>This is the code that generates the chart - it should be placed AFTER the
canvas
tag(s):


I have a few basic tasks that I need to perform on the file system with Node.js. I’m going to clone a repository into a directory, but before that, if the directory that the clone action will put the repository in exists, I’d like to do something with that directory first. To check for the existence of the directory I quickly found two functions that work well for this purpose.
First there is the asynchronously executing “exists” function.
var fs = require('fs');
fs.exists('/etc/passwd', function (exists) {
console.log(exists ? "it's there" : 'no passwd!');
});
This function takes the path, passed in, then has a callback that can then react to the result which is true or false. A similar function for a synchronous call is available too, called “existsSync”.
var fs = require('fs');
var result = fs.existsSync(path)
// result will be true or false.
console.log(result);
Now there is one major problem with these two functions. Currently, they’re marked as “deprecated” with a stability expectation of 0. This means simply, that they’re likely to go away in the near future. Now, I hate the idea of using these functions with the idea that I upgrade to a new version one day and my application is nuked. That just isn’t really acceptable.
So I go digging around at the other functions that the documentation states to use instead. For the asynchronous fs.exists(path, callback) function it states to use “fs.stat” or “fs.access” instead. Let’s take a look at these two first.
The “fs.stat” function is very similar to “fs.exists” in calling signature, it takes a path and a callback to execute. I created the short snippet below to show what this function looks like.
var fs = require('fs');
var path2 = 'thisShouldntExist';
var path1 = 'newdirectory';
function myDirectoryExistsCheck (path) {
fs.stat(path2, function (err, stat) {
if (err.code === 'ENOENT') {
console.log('No file asynchronously found.')
} else if (err) {
console.log(err)
} else {
console.log('File found asynchronously - Mode: ' + stat.mode + ' Size: ' + stat.size);
}
});
}
myDirectoryExistsCheck(path1);
myDirectoryExistsCheck(path2);
Based on the first call finding a directory and the second call not finding a directory, here’s the results I got from this code snippet.
File found asynchronously - Mode: 16877 Size: 102
No file asynchronously found.
Based on the first functions, which are now deprecated, the amount of code has ballooned up pretty dramatically over making a standard function call with a true or false result, to something where I have to confirm based off of the data returned in a fs.stats object. I wrote a little console.log code just to show what this object looks like when it is printed out. This…
fs.stat(path1, function (err, stat) {
console.log(stat);
});
…prints out this.
{ dev: 16777220,
mode: 16877,
nlink: 3,
uid: 501,
gid: 20,
rdev: 0,
blksize: 4096,
ino: 10692619,
size: 102,
blocks: 0,
atime: Mon Nov 23 2015 11:23:55 GMT-0800 (PST),
mtime: Mon Nov 23 2015 11:20:14 GMT-0800 (PST),
ctime: Mon Nov 23 2015 11:20:14 GMT-0800 (PST),
birthtime: Mon Nov 23 2015 11:19:40 GMT-0800 (PST) }
It’s kind of nice to have an object come back with data that one can use to derive a result from, but it’s kind of a bummer when all I want to do is write code that checks for existence and returns true or false. Now, in either case, if an error occurs, such as what happens when a file or directory is not found with the “fs.stat” function, the result looks like this. This…
fs.stat(path2, function (err, stat) {
console.log(err);
});
…prints out this.
{ [Error: ENOENT: no such file or directory, stat 'thisShouldntExist']
errno: -2,
code: 'ENOENT',
syscall: 'stat',
path: 'thisShouldntExist' }
Another thing I added, to show two useful functions when there is a file or directory present is shown below.
fs.stat(path, function (err, stat) {
if (err) {
if (err.code === 'ENOENT') {
console.log('No file asynchronously found.');
} else {
console.log('Some other error occurred.');
}
} else {
console.log('File found asynchronously - Mode: ' + stat.mode + ' Size: ' + stat.size);
console.log('Other things to checks:');
console.log(' - ' + stat.isFile());
console.log(' - ' + stat.isDirectory());
}
});
This of course checks for errors, which will be thrown if there is not a file or directory to find. But if there is, the stat object that is returned asynchronously via the callback has several functions attached, the two that are immediately useful for me are the “isFile()” and “isDirectory()” functions. They’re pretty self explanatory.
Now, of course this still means you’re writing code to deal with errors instead of what the “fs.exists” functions would do. So really, what needs to be done is a wrapper needs to be written to handle the somewhat basic and crude handling of the file system. But since this is such a common need for many applications, I thought, “hey, time to check and see if there’s some npm library bagic that’s available!” …and oddly enough I wasn’t impressed by anything I could dig up. Maybe search-fu wasn’t so hot. But it looks like I’ll be building up this stuff from scratch. With that, happy hacking and I’ll be back later with more…


This document describes the changes made to the Javadoc tool between versions 1.3 and 1.4. You can also see a concise list of outstanding bugs listed in Release Notes for Java SE 1.4.2, and view importatn bug fixes and changes in Bug Fixes in Subsequent 1.4.2 Update Release Versions.
{@linkplain}
, {@inheritDoc}
, @serial
, {@value}
New Options
-breakiterator
,
-docfilessubdirs
-exclude
, -excludedocfilessubdir
-nocomment
, -noqualifier
, -quiet
, -source
, -linksource
, -subpackages
, -tag
, -taglet
-subpackages
option to recursively traverse all
subpackages by passing in a single package root. The
-exclude
option unconditionally exclude packages from
the list of packages to document even if it would otherwise be
included by some previous or later -subpackages
command-line flag. For example, -subpackages java -exclude
java.lang.ref
would include java.io, java.util, and
java.lang (among others), but not java.lang.ref. (4074234)
Added "-source
1.4
" option for assertions - This option documents code
that was compiled using "javac -source 1.4
", necessary
for code that contains assertions. (4400430)
Added public methods to invoke Javadoc tool from within Java - Added a programmatic interface to the Javadoc tool in com.sun.tools.javadoc.Main (consequently, the standard doclet was made re-entrant). For more details, see Standard Doclet. (4113483)
Warning and error messages now contain filename and line
number. The line number is to the declaration line rather than
to the particular line in the doc comment. Uses the
SourcePosition
class. (4396665)
Serialized form page
enhancements - Javadoc now includes private classes in the
serialized form page (without requiring the -private
flag). This means the serialized form page can be properly
generated in a normal Javadoc run. This was done by adding the
method PackageDoc.allClasses(boolean filter)
where private and package-private classes are included when
filter
is false. () The method
writeReplace()
is now included in the serialized form
page. Javadoc also now looks at "@serial include
" and
"@serial exclude
" tags and includes or excludes
classes accordingly. For more information, see @serial
tag. (4290079,
4180839, 4341304)
Documented
@files
to work with command line options as well as
filenames This changes the documentation to conform to the
implementation. The @files
feature was originally
documented in javadoc and javac to allow only filenames, not
command line options. This expands the documentation to say that
@files
also allows command line options. (Also renamed
@files
to @argfile
in the documentation
to make it clear it's a file of arguments.) (4469119)
Added -quiet
option to shut off non-error messages
Only the warnings and errors appear, making them easier to find.
(4217345)
The standard doclet prints its version number in its output
stream. Suppressed by -quiet
option. (4114089)
Automatically create destination directory
(-d
). Since a primary function of javadoc is to
create files and directories, it seems reasonable to create the
root destination directory as well. (4464477)
Document only legal classes - When documenting a package,
Javadoc no longer reads files whose names are not composed of legal
class names. Example: When passing com.sun.foo
into
Javadoc, it used to parse every file in the directory
com\sun\foo
whose name ended with ".java", whether or
not the filename, stripped of that suffix, was actually a legal
class name. Now Javadoc will parse only files whose names are legal
class names. This enables developers to include templates, test
source files, or other .java files that will not be documented, by
including, for example, a hyphen "-" in its filename. (4398440)
Fixed -linkoffline
separator '/' - When
running on Microsoft Windows, the -linkoffline
option
now properly inserts '/
' instead of '\
'
in each link that points to an external class. This bug caused
broken links to external classes when documentation that was
created by Javadoc on Windows was then browsed on Solaris, Linux, or Mac OS X.
(4359874)
Removed transitional "-1.1" option - The "-1.1" option was introduced in version 1.2 as a doclet to provide a transition path from Javadoc 1.1 to 1.2. This transition is not necessary for moving to 1.3. The "1.1" doclet did not handle new features of the language (such as inner classes) and because of shared code with the standard doclet was an impediment to maintenance. (4312499)
@return
, and inline tags,
similar to {@link}
.
-tag
option.-taglet
and -tagletclasspath
options
(don't use the -tag
option).-tag
and
-taglet
options determine the order they are output.
You can mix these options with the standard tags "-tag
return
", "-tag param
" to intersperse them.
For custom inline tags, you must create a taglet. (4282805)
Flag any unknown tags while printing custom tags. This is a part of the custom tag mechanism. When javadoc parses the doc comments, any tag encountered that is not either a standard tag or passed in with -tag or -taglet is considered unknown, and a warning is thrown. (4039014)
When omitting the leading asterisk (*), keep indentation
within

tags. This enables you to paste
code examples directly into a doc comment. Indentation is relative
to the left margin (rather than the separator /**
).
(4232882)
Added
-breakiterator
for new way to determine end of first
sentence. We plan to change the algorithm for determining the
end of the first sentence in the next major feature release. The
-breakiterator
option gives you a preview of the new
algorithm. In 1.2 and 1.3, the java.text.BreakIterator class was
used to determine the end of sentence for all languages but English
(4165985).
English had its own algorithm, which looked for a period followed
by a space. When -breakiterator
is omitted, the end of
the first sentence is unchanged from 1.2 and 1.3, but warnings are
emitted displaying where there would be a difference. Using
-breakiterator
uses the new algorithm. Differences in
the algorithms show up in English as follows: (4165985)

.Fixed Javadoc to no longer require method bodies. - You can now run javadoc on .java source files that are pure stub files with no method bodies. This means you can write documentation comments and run Javadoc in the earliest stages of design while creating the API, before writing the implementation. Previously, javadoc complained if you tried to do this, insisting that you add "abstract" to the methods and the classes.
Added
{@linkplain}
, a plain text version of
{@link}
. The link's label is displayed in plain
text rather than code font. Useful when the label is plain text.
(4429628)
Example:
Refer to {@linkplain add() the overridden method}.
Added
{@inheritDoc}
tag for inheriting documentation.
This tag copies the doc comment from a superclass into the current
doc comment. This allows developers to write around the copied text
rather than have the inherited text be the only text. Previously,
text was copied only if the comment was missing. (4186639)
Javadoc tags @return, @param, and @throws are now individually inherited. In 1.3, they would be inherited only if the entire doc comment was empty. The @see tag is also inherited, but only if there are no @see tags in the overriding element. (4496270)
The
@throws documentation is copied from an overridden method to a
subclass only when the exception is explicitly declared in the
overridden method. In 1.3, the @throws text would be copied to
an overriding method, whether or not that method actually could
throw that execption. This new behavior may remove some
documentation that @throws was properly inheriting. You can use
{@inheritDoc}
to cause @throws
to inherit
documentation. (4317583)
{@value}
, when used in a
static field comment, returns its value. This tag is useful for
inserting the value into a doc comment. (4422788)
This change required adding to the Doclet API the methods
FieldDoc.constantValue()
and
FieldDoc.constantValueExpression()
in package
com.sun.javadoc. () (4320557)
Added
-noqualifier
option to omit qualifying package name
from ahead of class names in output
The previous behavior was as follows: On the page for class p.C,
add the package name only to classes not belonging to package p.
The argument to -noqualifier
is either
"all
" (all package qualifiers are omitted) or a
colon-separate list of packages, with wildcards, to be removed as
qualifiers (such as "java.lang:java.awt:javax.*"). (4359889)
Add links to source
code, using -linksource
option
Creates an HTML version of each source file and adds links to them
from the normal documentation. (Named -src
in Beta 2.
Will rename it to -linksource
in the final version, to
better differentiate it from -source
.) (1242492)
Put current class or package name first in window
title.
This enables the name to appear in the Windows task bar when a
window is minimized. (Also works in Internet Explorer when frames
are turned on.) (4232597)
Generate package page when passing in source filenames (*.java). The docs that are generated should not be any different when passing in package names than when passing in the source filenames for classes in those packages. (4359386)
Put exception class link in throws section in two
cases:
(1) there a @throws
tag but no text accompanies the
tag
(2) if an exception is declared but there is no tag (4074202)
Added
-nocomment
to suppress description and tags,
generating only declarations. Enables re-using source files
originally intended for a different purpose. (4464558)
Error exit status - Fixed javadoc to use the exit status of the doclet. (4136558)
Use the -encoding option when reading package.html. (4463408)
Added "All Classes" to navigation bar for improved accessibility (4140824)
Directory doc-files is now copied when passing in .java files - When passing in source files (*.java) to Javadoc, it now copies the "doc-files" directories to the destination. (Formerly, the "doc-files" directories were not copied.) This behavior is now identical to that when passing in package names. (4340814)
Fixed doc-files directory at doc root to be copied to
destination.
This enables the inclusion of overview-level documentation to be
included. (4256505)
Added
-docfilessubdirs
to enable deep copy of doc-files
- Subdirectories of the "doc-files" directory are now recursively
copied to the destination when -docfilessubdirs
is
used. For example, doc-files/example/images
and all
its contents would now be copied.If you need it, this option is
also available:
-excludedocfilessubdir name1>:<name2>...
to exclude any doc-files subdirectories with the given names. This
prevents the copying of SCCS and other source-code-control
subdirectories. Previously, only files directly in "doc-files" were
copied. (4385048)
Fixed {@docroot}
in HTML frame - The
{@docroot}
tag is now properly resolved when it
appears in the upper left HTML frame
(overview-frame.html
). (4365290)
Fixed {@docroot}
in @see
- The
{@docroot}
tag is now properly resolved when it
appears in the text of an @see
tag. (4416364)
Fixed {@link}
with {@docRoot}
-
The {@docRoot}
tag no longer disables any
{@link}
tag that follows it in the same comment.
(4369014)
"Implements" heading - A doc comment inherited from an abstract method now uses the proper subheading "implements" rather than "overrides". (4318787)
Fixed "Implementing Class" on interface page - Fixed bug on interface page where some classes were not showing up as "implementing class". (4378491)
Fixed display of static initializers - The initializer
static {...}
caused the "Methods Inherited From" table
to start with a comma (,). The underlying bug was that javadoc
considered static {}
to be an anonymous method. It
will no longer appear as a method entry in the generated docs.
(4136861)
Properly document fields and methods for private inner classes. (445611)
Corrected "nested classes" terminology - Javadoc now uses the term "nested classes" rather than "inner classes" throughout its headings and subheadings. The definitions are: "A nested class is any class whose declaration occurs within the body of another class or interface." while "An inner class is a nested class that is not static." Therefore, "nested" is the more general term. (4307151)
Expose filename and
line number of declarations. A new class
SourcePosition
has been added to the Doclet API, as
well as a new method position()
in Doc
and Tag
(see 4192783). These enable the complete
decomposing and recomposing of source files. (4192783,
4208989)
Added
MethodDoc.overriddenMethod()
for returning the list of
methods that are overridden.
Improved documentation of the Doclet API.
Potential
incompatibility - The Tag
interface now has a
position()
method. Doclets that implement the 1.3
Tag
interface (such as MIF Doclet 1.2 Beta 1) will not
work with Javadoc 1.4.
configuration
argument to the
MessageRetriever
constructor signature. This may
affect code that subclasses the standard doclet. New constructor is
now
MessageRetriever(Configuration configuration, String resourcelocation)
(No bug number)
Complete reimplementation of the Javadoc tool and API (4400430): - Javadoc now uses the new javac compiler instead of the old.
A few changes in behavior are known. These are not bugs and will probably never be "fixed" in javadoc:
<clinit>
. The new javadoc correctly omits
them.this$0
parameter to constructors for nested classes. While this agrees
with the reflective view of these constructors, it is not correct
from the source or the language viewpoint. The new javadoc reports
the signature as it appears in the source.this$0
as a serializable field. The new javadoc
correctly omits mention of this$0
and other synthetic
members. See
java.util.logging.LogManager.LogProperties
for an
example.java.io.PipedOutputStream
there
is a (useless and redundant) "import java.io.*;
". The
new javadoc correctly includes this in the list of imports.java.util.regex.Pattern.Caret
. The workaround is
to use a locale that supports a wider set of Unicode.Some further known examples of incorrect behavior of the old javadoc are intentionally reproduced in the new javadoc implementation for compatibility. For example, if a class a.A has inner classes and you import them using:
import a.A.*;Old Javadoc would incorrectly report (through the Doclet API) an import of:
import a.*;There is no way of correctly expressing this import declaration with the current javadoc API.
ClassDoc instances are no longer unique - Prior to 1.4.0, every class being documented was represented by a single ClassDoc instance -- this was an undocumented implementation detail. With 1.4.0, this is no longer true -- the Javadoc tool is capable of creating two different ClassDoc instances that represent the same class. This would break any doclets that mistakenly relied on this fact. One such bug was 4496290: The -use option is severely broken.


---
layout: post
title: Communicating thru Intenet
date: '2008-10-02T13:29:00.000+02:00'
author: Luca Ferrari
tags:
- riflessioni
- web
modified_time: '2008-10-02T14:32:32.861+02:00'
blogger_id: tag:blogger.com,1999:blog-1836481905487384887.post-4734356097467039492
blogger_orig_url: http://fluca1978.blogspot.com/2008/10/communicating-thru-intenet.html
permalink: /:year/:month/:day/:title.html
---
~
It's amazing how easy communicating thru Internet is. Just as an example yesterday I got a contact from Rick McKinney, an archer myth for myself! This is just the last important and/or famous person I met thru Internet, and in fact in the past I got contact with a lot of important developers (from PostgreSQL to Samba and Linux....).
This is one of the things I like the most about Internet: it does not matter who you are or what you do, you can always and easily meet people you only heard about!


Adding a new Avatar Provider¶
Registration¶
$this->avatarManager->register(new CustomAvatarProvider());
Interface¶
The provider must implements the interface
Kanboard\Core\User\Avatar\AvatarProviderInterface
:
| Method | Description |
|---|---|
render(array $user, $size) |
Render HTML |
isActive(array $user) |
Returns a boolean if the provider is able to render something |
The $user
argument is a dictionary that contains these keys:
[
'id' => 123,
'username' => 'admin',
'name' => 'Administrator',
'email' => 'me@localhost',
]


|
AnahitaPlus
|
This ROS package configures and communicates with the Teledyne Navigator Doppler Velocity Log (DVL). This has only been tested on ROS Kinetic and Melodic over RS232.
You must clone this repository as teledyne_navigator
into your catkin
workspace's src
directory:
Before proceeding, make sure to install all the dependencies by running:
You must compile this package before being able to run it. You can do so by running:
from the root of your workspace.
To run, simply connect the DVL over RS232 and launch the package with:
The following run-time ROS launch arguments are available:
port
: Serial port to read from, default: /dev/dvl
.baudrate
: Serial baud rate, default: 9600
.timeout
: Serial read timeout in seconds, default: 1.0
.frame
: tf
frame to stamp the messages with, default: dvl
.The package will keep trying to connect to the DVL until it is successful.
The teledyne_navigator
node will output to the following ROS topic:
~ensemble
: DVL scan data as an Ensemble
message.This driver is limited to the PD5 output format and the earth-coordinate frame (ENU). You may change other parameters as you please using TRDI Toolz and save them with CK
, but the PD
and EX
commands will be overridden.
Contributions are welcome. Simply open an issue or pull request on the matter, and it will be accepted as long as it does not complicate the code base too much.
As for style guides, we follow the ROS Python Style Guide for ROS-specifics and the Google Python Style Guide for everything else.
We use YAPF for all Python formatting needs. You can auto-format your changes with the following command:
We also use catkin_lint for all catkin
specifics. You can lint your changes as follows:
See [LICENSE](LICENSE).


--- layout: page title: About header-img: "img/about-bg.png" ---
I am currently a student of Flatiron school in the self-paced software development course. I really enjoy learning, so I am happy to be in this course due to the constant demand to learn and grow as a software developer.


t
Posted on April 10, 2017
The Tenth Blog Post!
What did you do this past week?
This week I spent grinding away at the darwin lab. I had the misfortune of doing the lab in the wrong way, starting out, resulting in some unnceccesarily complicated code and thus an incredibly hard time getting it to work. And once it did work, my solution proved impossible to optimize to be fast enough to pass the final test. I wish I had known that speed of the overall program would be a focus, as I would have started the lab very differently. I began with the simplest possible solution in mind, which was simply a poor solution in terms of speed and complexity, I discovered.
What will you do next week?
As always, on weeks with a lab assigned, I'll spend some time understanding the lab and then setting up the workflow. Once that's complete I'll spend some time, more time than the last lab assigned, working on the lab. I plan to get this lab done one day early, rather than 3 minutes early, as I did last week.
What's in the way?
I have a heavy interview schedule in the coming weeks, despite relatively little class. I'm not looking forward to that and balancing the final lab.
What's my experience in the class?
Again, I'm wishing I could work with a partner. I feel as if the last lab would have gone very differently if I had another person watching my back. I'll have to stop and do a lot more thinking before I do ANY writing next time.
What's the tip of the week?
Before starting the lab, immediately after setting up everything, spend some time mapping out how all of the methods and objects will connect. I should have done that this last lab, and I'd have spent less time and I'd have a better grade.


A very refreshing way to create and experiment with new layouts and designs with collaboration from around the world.


?ISLE
or
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01443430
Legend -
Level of confidence that token is an accurately-transcribed word
extremely low
very low
low
undetermined
medium
high
very high


Class WC_Product
Abstract Product Class
The WooCommerce product class handles individual product data.
Direct known subclasses
WC_Product_External
,
WC_Product_Grouped
,
WC_Product_Simple
,
WC_Product_Variable
,
WC_Product_Variation
Category: Abstract Class
Author: WooThemes
Version: 2.0.0
Class: WC_Product
Located at classes/abstracts/abstract-wc-product.php
Methods summary
public
|
|
public
boolean
|
|
public
mixed
|
|
public
object
|
|
public
array
|
|
public
string
|
|
public
integer
|
|
public
integer
|
|
public
integer
|
|
public
integer
|
|
public
integer
|
|
public
|
|
public
boolean
|
|
public
boolean
|
|
public
boolean
|
|
public
array
|
|
public
boolean
|
|
public
boolean
|
|
public
boolean
|
|
public
boolean
|
|
public
boolean
|
|
public
boolean
|
|
public
boolean
|
|
public
boolean
|
|
public
string
|
|
public
integer
|
|
public
string
|
|
public
boolean
|
|
public
boolean
|
|
public
boolean
|
|
public
boolean
|
#
backorders_require_notification( )
Returns whether or not the product needs to notify the customer on backorder. |
public
boolean
|
|
public
boolean
|
#
has_enough_stock( mixed $quantity )
Returns whether or not the product has enough stock for the order. |
public
string
|
|
public
boolean
|
|
public
boolean
|
|
public
boolean
|
|
public
string
|
|
public
|
|
public
|
|
public
string
|
|
public
cool
|
|
public
string
|
#
get_price_including_tax( mixed $qty = 1 )
Returns the price (including tax). Uses customer tax rates. Can work for a specific $qty for more accurate taxes. |
public
string
|
#
get_price_excluding_tax( mixed $qty = 1 )
Returns the price (excluding tax) - ignores tax_class filters since the price may include tax and thus needs subtracting. Uses store base tax rates. Can work for a specific $qty for more accurate taxes. |
public
string
|
|
public
string
|
|
public
string
|
|
public
string
|
#
get_price_html_from_text( )
Functions for getting parts of a price, in html, used by get_price_html. |
public
string
|
#
get_price_html_from_to( mixed $from, mixed $to )
Functions for getting parts of a price, in html, used by get_price_html. |
public
|
|
public
|
|
public
string
|
|
public
array
|
|
public
array
|
|
public
array
|
#
get_categories( string $sep = ', ', mixed $before = '', string $after = '' )
Returns the product categories. |
public
array
|
|
public
string
|
|
public
integer
|
|
public
array
|
|
public
string
|
|
public
array
|
|
public
mixed
|
|
public
boolean
|
#
enable_dimensions_display( )
Returns whether or not we are showing dimensions on the product page. |
public
boolean
|
|
public
boolean
|
|
public
string
|
|
public
|
|
public
string
|
Magic methods summary
Properties summary
public
integer
|
$id |
#
The product (post) ID. |
public
object
|
$post |
#
The actual post object. |
public
string
|
$product_type |
#
The product's type (simple, variable etc). |


| register_test_backend {checkmate} | R Documentation |
Allows to explicitly select a backend for the unit tests.
Currently supported are "testthat"
and "tinytest"
.
The respective package must be installed and are loaded (but not attached).
If this function is not explicitly called, defaults to "testthat"
unless
the "tinytest"
's namespace is loaded.
register_test_backend(name)
name |
[ |
NULL
(invisibly).


Company profile - Canadian Company Capabilities
Third-Party Information Liability Disclaimer
Some of the information on this Web page has been provided by external sources. The Government of Canada is not responsible for the accuracy, reliability or currency of the information supplied by external sources. Users wishing to rely upon this information should consult directly with the source of the information. Content provided by external sources is not subject to official languages, privacy and accessibility requirements.
TJS Technical Services Inc.
Mailing Address:
160-203 304 Main StAIRDRIE, Alberta
T4B 3C3
Location Address:
144 Marquis Pl SEAIRDRIE, Alberta
T4A 1Y7
Tel.:<PHONE_NUMBER>
Fax:
Logo
Company Profile
"Your virtual Product Integrity Department"
Product Compliance services are essential for your business whether you want an environmental IP/NEMA rating, NEBS compliance, industry certifications, design consulting, market specific approvals or just a source with broad experience that you can draw upon as the need arises.
TJS Technical Services Inc. assists electronics manufacturers throughout the design cycle, from concept to market readiness, to understand the global regulatory requirements, and to obtain timely, cost-effective regulatory approvals to sell in global markets.
Full profile
Full profile
Contact information
Company description
541990 - All Other Professional, Scientific and Technical Services
Product / Service / Licensing
Product Safety (UL/CSA/IEC 60950 / 60601 / 61010 / 60335 and others)
EMC (FCC Pt 15, CISPR 22, EN 55022 / 55024)
Telecom requirements (FCC Pt68, TIA-968, IC CS03 etc.)
Environmental requirements like RoHS and WEEE
Quality Management Systems (ISO9000 and ISO13485)
Reliability Consulting
Recognitions and Memberships
-----------------------------
We have staff that are members of the following associations and/or have received the following accreditations and recognitions.
- Association of Professional Engineers, Geologists, and Geophysicists of Alberta (APEGA)
- Association of Professional Engineers of Ontario (PEO)
- Institute of Electrical and Electronics Engineers (IEEE), Senior Member
- IEEE Product Safety Engineering Society
- Appointed by Industry Canada as an Examiner for Amateur Radio Certifications
- Member of Canadian Standards Association
- CSA (Participant on industry Standards Development Committees)
- Member of Standards Council of Canada
- SCC (Participant on industry Standards Development Committees)
- Regulatory Affairs Professionals Society (RAPS)
- Registered Consultant to the Hong Kong Office of Communication Authority (OFCA)
- Tecterra Authorized Services Provider (ASP)
R005-Technical Assistance
R008-Engineering and Technical Services (incl. Mechanical, Electrical, Chemical, Electronic Engineering)
R019-Other Professional Services
Technology profile
-----------------------------------------
TJS Technical Services Inc. is able to provide a wide range of test and evaluation service, using both our resources and in cooperation with other quality test houses. We have almost 30 years of experience regulatory, environmental and product integrity testing and approvals and are therefore are capable of driving the success of your testing program and of assisting in ensuring the success of your design.
The benefits that our customers typically realize from our test and evaluation services include - but are not limited to:
- Faster time to market resulting from a reduction in design issues during formal certification testing
- Reduced certification time due to details upfront preparation, making the evaluation process smoother
- Reduced overall cost of the test and certification program, resulting in reduced risk of recycle as a result of test failure; more cost effective use of certification budget.
Tests are performed either by TJS Technical Services Inc. or an accredited third party test house. Unless otherwise indicated, test equipment is calibrated in accordance with ISO 17025.
Product Safety
---------------
Most manufacturers are all too familiar with the costs and delays which result from surprises during the evaluation, design modifications and subsequent retesting. Some certification agencies offer limited technical advice but typically are unable to provide support from concept phase through to end of life. The Certification Agency high hourly rates also tend to discourage use of the service.
TJS Technical Services Inc. will provide an knowledgeable and independent customized service to address your needs and to complement in-house resources to help minimize cost and effort. Examples of how we do this are as follows:
- Work with your team and provide consulting advice as required
- Review designs to identify issues and to help provide solutions
- Perform minimal set of key tests on prototypes to reduce risk of failure during formal tests
Electromagnetic Compatibility (EMC)
-----------------------------------
To minimize risk of EMC non-compliance, we will review your current design, and coordinate testing at a quality test house for a minimal set of evaluation tests. The test objective is to cost-effectively identify potential issues prior to paying for the full suite of formal tests.
Custom Test Requirements
--------------------------
Product Related Tests
Examples of the tests that we perform are provided below.
- Heating Tests: Conduct temperature/heating measurements on products either using thermocouples or infrared (non-contact) technology.
- Leakage Current: Standard burn hazard and electric shock tests.
- Electric Strength Tests (Hipot): High voltage electric strength and insulation strength tests up to 5kV (pre-compliance or small volume production)
- Insulation Resistance Tests (Megger): High voltage insulation resistance tests up to 10 Gohm
General Electrical Tests
-----------------------
Contact us regarding your custom test needs.
Facility Related Tests
---------------------
- ESD Workstation Tests (ANSI/ESD S4.1): Verification of effectiveness of workstation ESD surfaces through resistance measurement in accordance with the ANSI standard S4.1.
- Telecommunications/Computer Room Power Noise and Grounding: Wiring (neutral and grounding) issues in power systems can result in both safety and noise issues that can impact computer and communications equipment. We perform a series of tests to determine if there are wiring, grounding and ratings (voltage/current) concerns.
Market profile
Industry sector market interests:
- Agriculture
- Consumer Products
- Information Technology and Telecommunications
- Manufacturing
- Medical/Biotechnology/Chemical
- Mining/Petroleum/Gas
- Service Industry
- Automotive
- Electrical Equipment
Sector information
Key / Major clients:
Zenovia Electronics Inc.GE Energy, Oilfield Technology
Sanmina-SCI Corporation
Smith and Nephew (Tenet Medical Engineering)
National Technical Systems Inc.
E-Metrotel
InfoChip RFID
Interalia Inc.
Jireh Industries Ltd.
Testimonial:
"TJS Technical Services Inc. provided us with exceptional engineering and technical support. Tom demonstrated an unparalleled wealth of regulatory knowledge and expertise that was instrumental in guiding us through to successfully completing all necessary product certifications. We are forever grateful for his part in bringing our innovative consumer electronics from prototype to production, and we'll be back with the next product." Logan Jacobs, President & CEO, Zenovia Electronics Inc.I would not hesitate to recommend Tom as an effective, personable, and widely experienced certification and compliance executive. Tim Kuechler P. Eng. PMP, Director Product Management , Hatsize Learning Corporation
Tom is exceptionally well qualified to provide consulting services related to product safety and regulatory approvals. As a member of my team he provided guidance, expertise and solutions related to UL/CSA, International regulatory bodies and EMC compliance requirements. Tom is thoroughly versed in reports and records required for maintaining product integrity. David Erling, Product Line Management , Nortel
I worked with Tom for a number of years in the telecommunications industry and was very impressed with Toms extensive experience and in depth knowledge of Product Safety and Product Regulatory approval requirements. Tom ensured our designers were kept abreast of all pertinent requirements and was very effective in project managing all the intricate details and activities required to successfully secure certification approvals within what were often very tight timelines. Pearl Doerksen, MBA, PMP, Senior Management, Nortel Networks
Thomas is very systematic and exceptionally good in managing any sized compliance approval projects. Alex Mathews, NEBS / Quality Manager , National Technical Systems
I've spent many years working closely with Tom on a large number of very diverse product development programs for which Tom was the safety & regulatory prime. His expansive and detailed knowledge of the numerous standards across a variety of market segments including telecommunications, medical, and consumer products was critical to the ultimate success of the programs. Fred Volk, Project Manager, Sanmina-SCI
Tom Smith has a thorough understanding of product regulatory requirements and the ability to develop and manage the compliance strategy. My experience with Tom included product development and regulatory compliance for complicated devices in Medical, Industrial and Telecommunications sectors. Bruce Malkinson, Chief Operating Officer , XSENSOR Technology Corporation
I worked with Tom Smith on several projects for Sanmina-SCI. He contributed to the success of these projects by helping us navigate the maze of safety standards that were different for each project. I was impressed not only by Tom's knowledge of the standards, but his in depth understanding of the intent and rationale behind the standards and his ability to organize this information to make it easy for team members to find the requirements they needed. Dale Tardiff, President , Innovative Power Solutions Inc
I worked on projects with Tom at Sanmina where he was the lead for product safety and environmental compliance. He was hard working, honest, ethical, and a pleasure to work with. His technical background and training led to improvements in the entire process. Chris Rogers, Global Project Manager , Sanmina-SCI
Third-Party Information Liability Disclaimer
Some of the information on this Web page has been provided by external sources. The Government of Canada is not responsible for the accuracy, reliability or currency of the information supplied by external sources. Users wishing to rely upon this information should consult directly with the source of the information. Content provided by external sources is not subject to official languages, privacy and accessibility requirements.
Contacts
Contact information
Description
Company description
541990 - All Other Professional, Scientific and Technical Services
Products, services and licensing
Product / Service / Licensing
Product Safety (UL/CSA/IEC 60950 / 60601 / 61010 / 60335 and others)
EMC (FCC Pt 15, CISPR 22, EN 55022 / 55024)
Telecom requirements (FCC Pt68, TIA-968, IC CS03 etc.)
Environmental requirements like RoHS and WEEE
Quality Management Systems (ISO9000 and ISO13485)
Reliability Consulting
Recognitions and Memberships
-----------------------------
We have staff that are members of the following associations and/or have received the following accreditations and recognitions.
- Association of Professional Engineers, Geologists, and Geophysicists of Alberta (APEGA)
- Association of Professional Engineers of Ontario (PEO)
- Institute of Electrical and Electronics Engineers (IEEE), Senior Member
- IEEE Product Safety Engineering Society
- Appointed by Industry Canada as an Examiner for Amateur Radio Certifications
- Member of Canadian Standards Association
- CSA (Participant on industry Standards Development Committees)
- Member of Standards Council of Canada
- SCC (Participant on industry Standards Development Committees)
- Regulatory Affairs Professionals Society (RAPS)
- Registered Consultant to the Hong Kong Office of Communication Authority (OFCA)
- Tecterra Authorized Services Provider (ASP)
R005-Technical Assistance
R008-Engineering and Technical Services (incl. Mechanical, Electrical, Chemical, Electronic Engineering)
R019-Other Professional Services
Technology
Technology profile
-----------------------------------------
TJS Technical Services Inc. is able to provide a wide range of test and evaluation service, using both our resources and in cooperation with other quality test houses. We have almost 30 years of experience regulatory, environmental and product integrity testing and approvals and are therefore are capable of driving the success of your testing program and of assisting in ensuring the success of your design.
The benefits that our customers typically realize from our test and evaluation services include - but are not limited to:
- Faster time to market resulting from a reduction in design issues during formal certification testing
- Reduced certification time due to details upfront preparation, making the evaluation process smoother
- Reduced overall cost of the test and certification program, resulting in reduced risk of recycle as a result of test failure; more cost effective use of certification budget.
Tests are performed either by TJS Technical Services Inc. or an accredited third party test house. Unless otherwise indicated, test equipment is calibrated in accordance with ISO 17025.
Product Safety
---------------
Most manufacturers are all too familiar with the costs and delays which result from surprises during the evaluation, design modifications and subsequent retesting. Some certification agencies offer limited technical advice but typically are unable to provide support from concept phase through to end of life. The Certification Agency high hourly rates also tend to discourage use of the service.
TJS Technical Services Inc. will provide an knowledgeable and independent customized service to address your needs and to complement in-house resources to help minimize cost and effort. Examples of how we do this are as follows:
- Work with your team and provide consulting advice as required
- Review designs to identify issues and to help provide solutions
- Perform minimal set of key tests on prototypes to reduce risk of failure during formal tests
Electromagnetic Compatibility (EMC)
-----------------------------------
To minimize risk of EMC non-compliance, we will review your current design, and coordinate testing at a quality test house for a minimal set of evaluation tests. The test objective is to cost-effectively identify potential issues prior to paying for the full suite of formal tests.
Custom Test Requirements
--------------------------
Product Related Tests
Examples of the tests that we perform are provided below.
- Heating Tests: Conduct temperature/heating measurements on products either using thermocouples or infrared (non-contact) technology.
- Leakage Current: Standard burn hazard and electric shock tests.
- Electric Strength Tests (Hipot): High voltage electric strength and insulation strength tests up to 5kV (pre-compliance or small volume production)
- Insulation Resistance Tests (Megger): High voltage insulation resistance tests up to 10 Gohm
General Electrical Tests
-----------------------
Contact us regarding your custom test needs.
Facility Related Tests
---------------------
- ESD Workstation Tests (ANSI/ESD S4.1): Verification of effectiveness of workstation ESD surfaces through resistance measurement in accordance with the ANSI standard S4.1.
- Telecommunications/Computer Room Power Noise and Grounding: Wiring (neutral and grounding) issues in power systems can result in both safety and noise issues that can impact computer and communications equipment. We perform a series of tests to determine if there are wiring, grounding and ratings (voltage/current) concerns.
Market
Market profile
Industry sector market interests:
- Agriculture
- Consumer Products
- Information Technology and Telecommunications
- Manufacturing
- Medical/Biotechnology/Chemical
- Mining/Petroleum/Gas
- Service Industry
- Automotive
- Electrical Equipment
Sector
Sector information
Key / Major clients:
Zenovia Electronics Inc.GE Energy, Oilfield Technology
Sanmina-SCI Corporation
Smith and Nephew (Tenet Medical Engineering)
National Technical Systems Inc.
E-Metrotel
InfoChip RFID
Interalia Inc.
Jireh Industries Ltd.
Testimonial:
"TJS Technical Services Inc. provided us with exceptional engineering and technical support. Tom demonstrated an unparalleled wealth of regulatory knowledge and expertise that was instrumental in guiding us through to successfully completing all necessary product certifications. We are forever grateful for his part in bringing our innovative consumer electronics from prototype to production, and we'll be back with the next product." Logan Jacobs, President & CEO, Zenovia Electronics Inc.I would not hesitate to recommend Tom as an effective, personable, and widely experienced certification and compliance executive. Tim Kuechler P. Eng. PMP, Director Product Management , Hatsize Learning Corporation
Tom is exceptionally well qualified to provide consulting services related to product safety and regulatory approvals. As a member of my team he provided guidance, expertise and solutions related to UL/CSA, International regulatory bodies and EMC compliance requirements. Tom is thoroughly versed in reports and records required for maintaining product integrity. David Erling, Product Line Management , Nortel
I worked with Tom for a number of years in the telecommunications industry and was very impressed with Toms extensive experience and in depth knowledge of Product Safety and Product Regulatory approval requirements. Tom ensured our designers were kept abreast of all pertinent requirements and was very effective in project managing all the intricate details and activities required to successfully secure certification approvals within what were often very tight timelines. Pearl Doerksen, MBA, PMP, Senior Management, Nortel Networks
Thomas is very systematic and exceptionally good in managing any sized compliance approval projects. Alex Mathews, NEBS / Quality Manager , National Technical Systems
I've spent many years working closely with Tom on a large number of very diverse product development programs for which Tom was the safety & regulatory prime. His expansive and detailed knowledge of the numerous standards across a variety of market segments including telecommunications, medical, and consumer products was critical to the ultimate success of the programs. Fred Volk, Project Manager, Sanmina-SCI
Tom Smith has a thorough understanding of product regulatory requirements and the ability to develop and manage the compliance strategy. My experience with Tom included product development and regulatory compliance for complicated devices in Medical, Industrial and Telecommunications sectors. Bruce Malkinson, Chief Operating Officer , XSENSOR Technology Corporation
I worked with Tom Smith on several projects for Sanmina-SCI. He contributed to the success of these projects by helping us navigate the maze of safety standards that were different for each project. I was impressed not only by Tom's knowledge of the standards, but his in depth understanding of the intent and rationale behind the standards and his ability to organize this information to make it easy for team members to find the requirements they needed. Dale Tardiff, President , Innovative Power Solutions Inc
I worked on projects with Tom at Sanmina where he was the lead for product safety and environmental compliance. He was hard working, honest, ethical, and a pleasure to work with. His technical background and training led to improvements in the entire process. Chris Rogers, Global Project Manager , Sanmina-SCI


Moltres
Moltres is a legendary dual Fire / Flying type Pokémon from the first generation of Pokémon. Its Galar form has a double Dark / Flying-type. It is included in the trio of legendary Kanto birds along with Articuno and Zapdos.


YAHOO.widget.CalendarGroup
Class YAHOO.widget.CalendarGroup
Object | +--YAHOO.widget.CalendarGroup
- Direct Known Subclasses:
- YAHOO.widget.Calendar2up
class
YAHOO.widget.CalendarGroup
Method Summary [top]
| void |
addMonthRenderer
Calls the addMonthRenderer function of all child calendars within the group.
|
| void |
addRenderer
Calls the addRenderer function of all child calendars within the group.
|
| void |
addWeekdayRenderer
Calls the addWeekdayRenderer function of all child calendars within the group.
|
| void |
callChildFunction
|
| void |
clear
Calls the clear function of all child calendars within the group.
|
| YAHOO.widget.Calendar_Core |
constructChild
Constructs a child calendar.
|
| Object |
deselect
Calls the deselect function of all child calendars within the group.
|
| Object |
deselectAll
Calls the deselectAll function of all child calendars within the group.
|
| Object |
deselectCell
Calls the deselectAll function of all child calendars within the group.
|
| Date[] |
getSelectedDates
Gets the list of currently selected dates from the calendar.
|
| void |
init
Initializes the calendar group.
|
| void |
nextMonth
Calls the nextMonth function of all child calendars within the group.
|
| void |
nextYear
Calls the nextYear function of all child calendars within the group.
|
| void |
previousMonth
Calls the previousMonth function of all child calendars within the group.
|
| void |
previousYear
Calls the previousYear function of all child calendars within the group.
|
| void |
render
Calls the render function of all child calendars within the group.
|
| void |
reset
Calls the reset function of all child calendars within the group.
|
| Object |
select
Calls the select function of all child calendars within the group.
|
| Object |
selectCell
Calls the selectCell function of all child calendars within the group.
|
| void |
setChildFunction
|
| void |
setMonth
Sets the calendar group's month explicitly.
|
| void |
setYear
Sets the calendar group's year explicitly.
|
| Date[] |
sync
Synchronizes the data values for all child calendars within the group.
|
| void |
wireEvent
Sets an event handler universally across all child calendars within the group.
|
Constructor Detail [top]
YAHOO.widget.CalendarGroup
YAHOO.widget.CalendarGroup
()
- Parameters:
-
pageCount
- The number of pages that this calendar should display. -
id
- The id of the element that will be inserted into the DOM. -
containerId
- The id of the container element that the calendar will be inserted into. -
monthyear
- The month/year string used to set the current calendar page -
selected
- A string of date values formatted using the date parser. The built-in default date format is MM/DD/YYYY. Ranges are defined using MM/DD/YYYY-MM/DD/YYYY. Month/day combinations are defined using MM/DD. Any combination of these can be combined by delimiting the string with commas. Example: "12/24/2005,12/25,1/18/2006-1/21/2006"
Method Detail [top]
addMonthRenderer
void
addMonthRenderer
Calls the addMonthRenderer function of all child calendars within the group.
addRenderer
void
addRenderer
Calls the addRenderer function of all child calendars within the group.
addWeekdayRenderer
void
addWeekdayRenderer
Calls the addWeekdayRenderer function of all child calendars within the group.
callChildFunction
void
callChildFunction
clear
void
clear
Calls the clear function of all child calendars within the group.
constructChild
YAHOO.widget.Calendar_Core
constructChild
Constructs a child calendar. This method can be overridden if a subclassed version of the default
calendar is to be used.
- Returns:
- The YAHOO.widget.Calendar_Core instance that is constructed
deselect
Object
deselect
Calls the deselect function of all child calendars within the group.
deselectAll
Object
deselectAll
Calls the deselectAll function of all child calendars within the group.
deselectCell
Object
deselectCell
Calls the deselectAll function of all child calendars within the group.
getSelectedDates
Date[]
getSelectedDates
Gets the list of currently selected dates from the calendar.
- Returns:
- An array of currently selected JavaScript Date objects.
init
void
init
Initializes the calendar group. All subclasses must call this method in order for the
group to be initialized properly.
nextMonth
void
nextMonth
Calls the nextMonth function of all child calendars within the group.
nextYear
void
nextYear
Calls the nextYear function of all child calendars within the group.
previousMonth
void
previousMonth
Calls the previousMonth function of all child calendars within the group.
previousYear
void
previousYear
Calls the previousYear function of all child calendars within the group.
render
void
render
Calls the render function of all child calendars within the group.
reset
void
reset
Calls the reset function of all child calendars within the group.
select
Object
select
Calls the select function of all child calendars within the group.
selectCell
Object
selectCell
Calls the selectCell function of all child calendars within the group.
setChildFunction
void
setChildFunction
setMonth
void
setMonth
Sets the calendar group's month explicitly. This month will be set into the first
page of the multi-page calendar, and all other months will be iterated appropriately.
setYear
void
setYear
Sets the calendar group's year explicitly. This year will be set into the first
page of the multi-page calendar, and all other months will be iterated appropriately.
sync
Date[]
sync
Synchronizes the data values for all child calendars within the group. If the sync
method is called passing in the caller object, the values of all children will be set
to the values of the caller. If the argument is ommitted, the values from all children
will be combined into one distinct list and set into each child.
- Returns:
- Array of selected dates, in JavaScript Date object form.
wireEvent
void
wireEvent
Sets an event handler universally across all child calendars within the group. For instance,
to set the onSelect handler for all child calendars to a function called fnSelect, the call would be:
calGroup.wireEvent("onSelect", fnSelect);


Things fall. Pencils, buildings, people, everything falls. The Earth is falling towards the Sun. Luckily, it is falling in a way that consistently misses the Sun.
Early Theories of Gravity
Physics often contradicts our feelings for how it should work. The history of gravity tells the story of humanity realizing we aren't the center of the universe.
The Greek philosopher Aristotle (384–322 BC) believed that the natural place for the element of earth and water was down. The natural place for the elements of air and fire was up. He also believed that heavier objects fell faster than light objects.
Like many early philosophers, Aristotle organized the sky into a geocentric model. Moving planetary spheres surrounded a stationary and spherical Earth.
The geocentric models showed flaws. Planets would inexplicably change in speed and direction. To correct these flaws several small circles called epicycles were added to the path of the planets. As telescopes and data collection methods improved, the number of epicycles grew.
Around 1543, Polish astronomer, Nicolaus Copernicus published a book on the heliocentric theory. The idea that the planets revolved around the Sun, not the Earth. His heliocentric theory marks the beginning of the the scientific revolution.
In 1609, German astronomer, Johannes Kepler published 3 laws of planetary motion based on the heliocentric theory. In his model orbits moved in an ellipse, not circles.
Italian natural philosopher, Galileo Galilei, discovered that falling objects all accelerate at the same rate as long as air resistance isn't a significant factor.
Galileo also championed Copernican heliocentrism. This blasphemous idea upset the Catholic church so much they held a trail and found him guilty of heresy. They forced him to recant his findings, they banned his work, and they sentenced him to house arrest from 1633 until his death in 1642.
Universal Gravitation
In 1687 Isaac Newton published his book, Mathematical Principles of Natural Philosophy. The book contained his laws of motion and his law of universal gravitation. His reasoning was based on geometric proofs and new mathematical techniques which are now called calculus.
Universal gravitation states that every particle in the universe is attracted to every other particle. Amazingly, universal gravitation connects the earth and sky with one equation. The same force that makes apples fall also makes stars, planets, and moons orbit each other!
$$ F = \frac{GM_{1}M_{2}}{r^{2}} $$
\(F\) = force of gravity [N, Newtons, kg m/s²]
vector
\(G\) = 6.67408 × 10
-11 = universal gravitation constant [N m²/kg²]
\(M\) = mass [kg, kilograms]
\(r\) = distance between the center of each mass [m, meters]
In 1916 universal gravitation was improved on by Einstein's general relativity, but universal gravitation is still used for low mass and low speed situations, like the Earth and its satellites.
Each mass feels an equal but opposite force as predicted by Newton's 3rd law. This means that the same force of gravity you feel towards the Earth the Earth feels towards you. So why don't we notice the Earth accelerate towards you?
Notice how small G is (6.674 x 10 -11). Out of the four fundamental forces gravity is by far the weakest. If gravity is so weak why do we notice its effects so easily?
Local Massive Objects Data Table
| name | mass (kg) | radius (km) | density (g/cm 3) |
|---|---|---|---|
| Sun | 2.00 × 10 30 | 695,700 | 1.408 |
| Mercury | 3.301 × 10 23 | 2,440 | 5.427 |
| Venus | 4.867 × 10 24 | 6,052 | 5.243 |
| Earth | 5.972 × 10 24 | 6,371 | 5.515 |
| Moon | 7.346 × 10 22 | 1,737 | 3.344 |
| Mars | 6.417 × 10 23 | 3,390 | 3.933 |
| Jupiter | 1.899 × 10 27 | 70,000 | 1.326 |
| Saturn | 5.685 × 10 26 | 58,232 | 0.687 |
| Uranus | 8.682 × 10 25 | 25,362 | 1.270 |
| Neptune | 1.024 × 10 26 | 24,622 | 1.638 |
solution
$$ F = \frac{GM_{1}M_{2}}{r^{2}} $$ $$ F = \frac{(6.674 \times 10^{-11})(5.972 \times 10^{24}) (7.346 \times 10^{22})}{(3.844 \times 10^{8})^{2}}$$ $$ F = \frac{(6.674 \times 10^{-11})(5.972 \times 10^{24}) (7.346 \times 10^{22})}{14.78 \times 10^{16}}$$ $$ F = \frac{6.674 \times 5.972 \times 7.346}{14.78} \times \frac{10^{-11}10^{24}10^{22}}{10^{16}}$$ $$ F = 19.798 \times 10^{19} \, \mathrm{N}$$solution
$$ F = \frac{GM_{1}M_{2}}{r^{2}} $$ $$ F = \frac{(6.674 \times 10^{-11})(5.972 \times 10^{24}) (2.00 \times 10^{30})}{(149.6 \times 10^{9})^{2}}$$ $$ F = \frac{(6.674 \times 10^{-11})(5.972 \times 10^{24}) (2.00 \times 10^{30})}{22380 \times 10^{18}}$$ $$ F = 3.561 \times 10^{22} \, \mathrm{N}$$solution
$$ F = \frac{GM_{1}M_{2}}{r^{2}} $$ $$ F = \frac{(6.674 \times 10^{-11})(5.972 \times 10^{24})(100)}{ 10,000,000^{2}}$$ $$ F = \frac{(6.674 \times 10^{-11})(5.972 \times 10^{24})(100)}{ 10^{14}}$$ $$ F = 398.57 \, \mathrm{N}$$solution
$$ F = \frac{GM_{1}M_{2}}{r^{2}} $$ $$ M_{1} = \frac{Fr^{2}}{GM_{2}}$$ $$ M_{1} = \frac{(100)(10,000,000)^{2}}{(6.674 \times 10^{-11})(5.972 \times 10^{24})}$$ $$ M_{1} = \frac{(100)(10^{14})}{(6.674 \times 10^{-11})(5.972 \times 10^{24})}$$ $$ M_{1} = 25.01 \, \mathrm{kg}$$solution
$$ F = \frac{GM_{1}M_{2}}{r^{2}} $$ $$ r^{2} = \frac{GM_{1}M_{2}}{F} $$ $$ r^{2} = \frac{(6.674 \times 10^{-11})(2.00 \times 10^{30})(2.2 \times 10^{14})}{3.65 \times 10^{12}} $$ $$ \sqrt{r^{2}} = \sqrt{8.04 \times 10^{21}} $$ $$ r = 8.97 \times 10^{10}\,\mathrm{m} $$Gravitational Acceleration
It is useful to adapt the universal gravitation equation to predict acceleration. To find acceleration we just need to divide an object's gravitational force by its mass.
derivation of universal gravitational acceleration
$$ F = mg $$ $$ \frac{F}{m} = g $$Newton's second law tells us we can replace F/M with acceleration.
$$ F = \frac{GM_{1}M_{2}}{r^{2}} $$ $$ \frac{F}{M_{2}} = \frac{GM_{1}}{r^{2}} $$ $$ g = \frac{GM_{1}}{r^{2}} $$$$ g = \frac{GM}{r^{2}} $$
\(g\) = acceleration of gravity [m/s²]
vector
\(G = \small 6.674 \times 10^{-11}\) = universal gravitation constant [m³/kg/s²]
\(M\) = mass of the body pulling [kg, kilograms]
(not the body experiencing the acceleration)
\(r\) = distance between the center of each mass [m, meters]
The acceleration vector is pointed towards the center of the mass producing the acceleration.
The mass of the body being accelerated isn't used in this equation. Use the mass of the body producing the acceleration. To find the acceleration of objects on Earth use Earth's mass.
The simulation below shows a vector field. Each vector shows the gravitational acceleration potentially felt at that location. These diagrams are helpful for predicting how a particle will accelerate.


State three essential features of a computer language, comparing to natural language. (2 marks)
Fixed vocabulary
Unambiguous meaning
Consistent grammar & syntax
Define the term Object. (2 marks)
In Object-oriented programming (OOP), an object is an instance of a class.
Objects are an abstraction: they hold both data (states), and ways to manipulate the data (behaviors).
State two key differences between binary search and linear search. (2 marks)
Binary search requires the input data to be sorted; linear search doesn't
Binary search has complexity O(log n); linear search has complexity O(n) as discussed earlier
Binary search requires random access to the data; linear search only requires sequential access.
Listing how bubble sort can be used to sort this list of numbers? (4 marks)
42, 16, 84, 12, 77, 26, 53
12, 16, 64, 42, 77, 26, 53
12, 16, 84, 42, 77, 26, 53
12, 16, 26, 42, 77, 84, 53
12, 16, 26, 42, 77, 84, 53
12, 16, 26, 42, 53, 84, 77
12, 16, 26, 42, 53, 77, 84
Discussions


see Github or contact Luke
updated fonts, added resources
Updated CSS to water.css 2.0
Updated HTML
Automatically switches between light and dark mode
Added Dr. Renna's email
Now reachable from the HMS website
This log did not exist


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ServerMultiDataSampler
or ServerSingleDataSampler
-- one of which must be the superclass of any implementations you want automatically loaded by CivSpy.See: Description
| Class | Description |
|---|---|
| ServerMultiDataSampler |
Abstract wrapper expecting server name at construction.
|
| ServerSingleDataSampler |
Abstract wrapper expecting server name at construction.
|
ServerMultiDataSampler
or ServerSingleDataSampler
-- one of which must be the superclass of any implementations you want automatically loaded by CivSpy.
Each abstract class defines two constructors but you don't have to implement for both constructors; choose the one that suits your needs.
Samplers can declare their own period, but no guarantee is made in terms of ordering of execution or alignment of samplers; their executions may be offset, in some cases intentionally, even if their period is the same.
DataManager
. This data does not need to be aggregate-able, although it is welcome to be so.
PointDataSample
POJO to store your samples before passing to the DataManager.
PeriodicDataSample
POJO to store your samples.
sample
implementation.
ServerMultiDataSampler
, your MultiDataSampler.sample()
method must return a List of DataSample POJOs.
ServerSingleDataSampler
, your SingleDataSampler.sample()
method must return a single DataSample POJO.
DataManager
is CivSpy system provided and your code should likely leave it alone to prevent abnormalities.Logger
is put into protected variable logger
and is available to subclasses to write exceptional circumstances to the log (do not log on every execution of your sampler!).
getServer
. Note while you don't have to pass this value along to the superclass, it is strongly recommended, and regardless the parameter must exist on your constructor.
ConfigurationSection
is the configuration for your Sampler as defined in the config.yml
file. The _simple name_ of your class determines which section to extract and pass along. So if you Sampler is called PlayerLocationSampler
then CivSpy attempts to give the config.yml root-level section of the same name to your Sampler, if a constructor is found that accepts configuration sections.
setPeriod
from within your constructor. Subsequent calls to setPeriod
will be ignored.
getServer()
. Be sure to include the server name in your DataSampler POJOs -- see the constructor on PointDataSample
and PeriodicDataSample
. If local or not specified in CivSpy config, this value will be the string literal "local".
Your sampler can turn itself off by calling deactivate
-- the sampler is still called on period, but your sample
method won't be called, so only do so in case of exceptional circumstance; otherwise, leave activation and de-activation up to CivSpy's management routines.
Copyright © 2016. All rights reserved.


Due to heavy population, road congestion a nightmare to every city dweller. Be it a student at be it a working professional road congestions spare no one, during peak hours of the day, traffic moves at snail's pace. With the ever increasing number of urban population increasing number of owned vehicles and unfortunately constrained size of the roads, road congestions are in epidemic spreading across cities at high pace, Especially in metropolitan cities. Road congestions are a never ending tale and of course, everyone hates that Whe attending the complaint by Ambulance Services, it is becoming very difficult to reach the emergencies due to road congestions in metropolitan cities To overcome the problem, it is proposed to create Telangana Ambulance Project in one of our metropolitan city Hyderabad to serve the medical emergencies in the State of Telangana This service operated initially in cities of Telangana through call centers and will expand throughout the State in due course


6.1 quake near Thai-Laos border shakes the kingdom
by AFPHanging lights could be seen swinging back and forth without anyone touching them on the 10th floor of a Bangkok office building this morning. Paranormal activity? No, in an uncommon occurrence, it was actually a moderately strong earthquake.
This morning #Earthquake became a top trending hashtag in Thailand after a shallow magnitude-6.1 quake hit northwestern Laos near the Thai border early Thursday, sending tremors across the region.
“The shaking … was the main shock from a quake in Laos at 6:50 am and was felt in northern and northeastern Thailand and Bangkok and suburbs,” said Sophon Chaila, an official at the Thai Meteorological Department.
Shaking could be felt more than 700 kilometres away in the Thai capital Bangkok, where Pope Francis is currently on a four-day visit.
Pope Francis lands in Bangkok for 4-day visit (Photos)
There were no immediate reports of damage or injuries after the quake struck.
Many on social media flocked to share videos of the quake that seemed felt the most by those in high-rise buildings. Suspended lights and chandeliers could be seen swinging back and forth from the motion.
Residents in the Vietnamese capital Hanoi also felt buildings sway.
“The ceiling lights were shaking quite strongly. I felt dizzy and scared,” said Hanoi resident Tran Hoa Phuong, who felt the earthquake in her 27-storey apartment building.
The temblor hit about three hours after a 5.7-magnitude earthquake struck the same region of Laos, near the site of the large Xayaburi dam project.
Information is slow to trickle out of the closed communist state, and there were no reports of damage or injuries after the twin quakes early Thursday.
Pope Francis arrived in Bangkok on Wednesday and has a busy agenda Thursday meeting officials and His Majesty the King before he leads a mass in the evening.
There was no word from his team on whether he felt the quake.
Additional reporting by Coconuts Bangkok
Related:
Pope Francis lands in Bangkok for 4-day visit (Photos)
6,500+ cops deployed as Pope Francis arrives in Bangkok
Persecuted Catholics ‘honored’ to glimpse Pope Francis in Thailand
Thai convent weaves ‘beautiful’ robes for Pope Francis visit


Front-end news
Frontend Design
Getting Ready For HTTP/2
Managing Typography on Large Apps
Estimating A Front End Web Dev Job
The One CSS Feature I Really Want


UTC +2.
Voltage: 220/230 V*
Frequency: 50 Hz
*Grahamstad & Port Elizabeth 250V;
Note that many companies close for the holiday period mid-December until 4 January (approx.).
Rand (R) of 100 cents. Import or export is limited to R500.
Visa credit cards are accepted in many places.
ATMs are in most shopping areas and elsewhere in the cities.
Telephones
International dialing code for South Africa is +27.
South Africa has an extensive GSM network. There are five cell phone providers in South Africa: Vodacom, MTN, Cell-C, Virgin Mobile and 8ta.
The networks support GPRS countrywide and 3G, EDGE and HSDPA support is available in larger urban areas.
SIM card prepaid starter kits are available. You will need a passport and a proof of residential address and it has to be registered before you can call or receive calls. A letter from the police saying the marina is your place of residence will suffice. If you call into a Vodacom or MTN store with a passport and drivers licence, you can be all connected on the spot. You can buy credit for prepaid phones just about everywhere, remembering you will usually need cash to do so from service stations.
Internet
There are plenty of Internet Cafes and access rates are cheap. Alternatively you can buy a dongle for your computer and access the internet through mobile phone networks.
SSB Nets
The waters around SA are tough sailing after the tropics and with daily weather updates and local knowledge it can be made much more fun. Go here for a list of SA SSB nets.
Cape to Rio Yacht Race - 2014. Read about it here.
Ambulance - Dial 10177
Fire Service - Dial 10177
Police - Dial 10111
IMRAY AND ADLARD COLES PILOT BOOKS are available at a discounted price for Noonsite.com users via World Cruising Club
South Africa Nautical Almanac
By Tom Morgan
Publisher: On Board Publications (10th Edn 2012)
ISBN:<PHONE_NUMBER>000
The only complete book for navigating the coasts of South Africa and Namibia Recommended by SAMSA Revised SAFETY RULES Pilotage, ports and facilities Lights, Radio schedules and selected launch sites
South West Africa
Free download from the RCC Pilotage Foundation Website
By Pete Hill (2010)
Havens & anchorages: A companion to the South Atlantic circuit for the South American coast
By Tom Morgan
Publisher: On Board Publications (2002)
ISBN-13:<PHONE_NUMBER>040
The companion to the South Atlantic Circuit covers the smaller and lesser known havens and anchorages between the major stops of South Africa (Brazil, Uruguay and Argentina). The pilot includes details of Natal, Brazil to Caleta Horno, and Argentina. There are 80 destinations and plans based on Argentinian and Brazilian charts. Country profiles include language (words and phrases), money, travel, food, drink and shopping etc.
Indian Ocean Crossing Notes and Books
A range of useful books by Tony Herrick (email<EMAIL_ADDRESS>)
Sadly currently not available as ebooks, but hard copies can be shipped world-wide.
See www.cruisingconnections.co.za for the full range.
East Africa Pilot
By Delwyn McPhun
Publisher: Imray,Laurie,Norie & Wilson Ltd - 1st edition 1998
ISBN-13:<PHONE_NUMBER>511
Download update supplement here


Before Change
Observations are expected to are unit norm normalized.
Returns: Affiliations with shape (..., K, T).
log_pdf = self.complex_gaussian.log_pdf(y[..., None, :, :])
affiliation = np.log(self.weight)[..., :, None] + log_pdf
affiliation -= np.max(affiliation, axis=-2, keepdims=True)
np.exp(affiliation, out=affiliation)
denominator = np.maximum(
np.einsum("...kn->...n", affiliation)[..., None, :],
np.finfo(affiliation.dtype).tiny,
)
affiliation /= denominator
return affiliation
class CCSGMMTrainer:
def fit(
After Change
Observations are expected to are unit norm normalized.
Returns: Affiliations with shape (..., K, T).
return log_pdf_to_affiliation(
self.weight[..., :, None],
self.complex_gaussian.log_pdf(y[..., None, :, :]),
source_activity_mask=None,
affiliation_eps=0.,
)
class CCSGMMTrainer:
def fit(


I am a Responsive Designer & Developer who thrives on visual storytelling. When I'm not working, I can be found swimming, cooking, travelling, and searching for new stories.
I am a Responsive Designer & Developer who thrives on visual storytelling. When I'm not working, I can be found swimming, cooking, travelling, and searching for new stories.
I was born and raised in Indonesia. Married to a Dutch guy in August 2017 and moved to The Netherlands since April 2018. My new adventure begin since!
My passion: I LOVE music - it's one of the most powerful and diverse methods for expression & communication. And since I live far from my hometown, I started learning how to cook and I'm loving it!
A fun fact: Married to a Big Nerd has been so challanging for me. From not-knowing-at-all, I learn about lot of stuff from my nerd husband. Now I never look anything the same was as before!


Accept-Language
) and the operating
system (from header User-Agent
) for your browser.
{ "Ip Address": "XXX.XXX.XXX.XXX", "Language": "en-US,en;q=0.5", "Operative System": "Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0" }


FRIENDS Children's Environmental Health Center
EPA Grant Number: R829390Center: CECEHDPR - University of Illinois FRIENDS Children’s Environmental Health Center
Center Director: Schantz, Susan L.
Title: FRIENDS Children's Environmental Health Center
Investigators: Schantz, Susan L.
Institution: University of Illinois at Urbana
EPA Project Officer: Fields, Nigel
Project Period: November 1, 2001 through October 31, 2006 (Extended to October 31, 2008)
Project Amount: $5,568,992
RFA: Centers for Children's Environmental Health and Disease Prevention Research (2001) RFA Text | Recipients Lists
Research Category: Children's Health , Health Effects , Human Health , Health
Objective:
The overall research objectives of the Friends Children's Environmental Health Center are to: (1) study the impact of exposure to polychlorinated bipbenyls (PCBs) and methy1mercury (MeHg) on cognitive, sensory and motor development of children, (2) develop effective educational strategies to reduce exposure to these neurotoxic contaminants, and (3) undertake laboratory studies to better understand the mechanisms by which these contaminants induce neurological deficits in children. The Center will build on several long-standing research collaborations and will be organized around an exposure cohort that is already being recruited. The cohort consists of Hmong, and Laotian refugees who are consuming PCB and MeHg contaminated fish from the Fox River in northeastern Wisconsin. The Center includes an administrative core, a community-based project, two biomedical research projects and an analytical toxicology core. The two primary goals of the community-based project are: (1) to evaluate the impact of PCB and MeHg exposure on reproductive health and child development and (2) to provide families with practical information that will help them to reduce their exposure to PCBs and MeHg. The assessments of the children will focus on specific aspects of behavioral and sensory function that have not been adequately addressed in previous human studies. These goals will be accomplished in partnership with community resource groups in the area. The biomedical research projects will complement the community based project by characterizing the cognitive, sensory, motor and neurochemical effects of exposure to PCBs alone, MeHg alone or PCBs and McHg combined in a rodent model. Both projects will use a mixture of PCBs that models the PCB congener profile in Fox River fish, and a ratio of PCBs to MeHg similar to that found in -the fish. The findings from the animal studies mill guide the selection of additional behavioral and sensory endpoints for use in the children exposed to PCBs and MeHg via maternal consumption of Fox River fish. The analytical toxicology, core will formulate the PCB mixture to be used in the animal studies and provide congener specific PCB- analysis, heavy metal analysis, and pesticide analysis in human and animal samples from the three research projects. The administrative core will provide oversight, coordination and integration of all Center activities.Journal Articles: 22 Displayed | Download in RIS Format
| Other center views: | All 38 publications | 23 publications in selected types | All 22 journal articles |
|---|
| Type | Citation | ||
|---|---|---|---|
|
|
Bemis JC, Seegal RF. Polychlorinated biphenyls and methylmercury act synergistically to reduce rat brain dopamine content in vitro. Environmental Health Perspectives 1999;107(11):879-885. |
R829390 (2005) R825812 (1999) |
|
|
|
Bemis JC, Seegal RF. Polychlorinated biphenyls and methylmercury alter intracellular calcium concentrations in rat cerebellar granule cells. Neurotoxicology 2000;21(6):1123-1134. |
R829390 (2005) R825812 (1999) |
|
|
|
Bemis JC, Seegal RF. PCB-induced inhibition of the vesicular monoamine transporter predicts reductions in synaptosomal dopamine content. Toxicological Sciences 2004;80(2):288-295. |
R829390 (2005) R829390C004 (2004) R825812 (1999) |
Exit Exit Exit |
|
|
Dietrich KN, Eskenazi B, Schantz S, Yolton K, Rauh VA, Johnson CB, Alkon A, Canfield RL, Pessah IN, Berman RF. Principles and practices of neurodevelopmental assessment in children: lessons learned from the Centers for Children's Environmental Health and Disease Prevention Research. Environmental Health Perspectives 2005;113(10):1437-1446. |
R829390 (2005) R829390 (Final) R829390C002 (2005) R827027 (2002) R829388 (2006) R829388 (Final) R829388C006 (2005) R829389 (2005) R829389 (Final) R831710 (2005) R831710 (Final) R831711 (2005) R832141 (2006) R832141 (2007) R832141 (Final) |
|
|
|
Dreiem A, Gertz CC, Seegal RF. The effects of methylmercury on mitochondrial function and reactive oxygen species formation in rat striatal synaptosomes are age-dependent. Toxicological Sciences 2005;87(1):156-162. |
R829390 (2005) R829390C004 (2005) |
Exit Exit Exit |
|
|
Dreiem A, Seegal RF. Methylmercury-induced changes in mitochondrial function in striatal synaptosomes are calcium-dependent and ROS-independent. NeuroToxicology 2007;28(4):720-726. |
R829390 (2005) |
Exit Exit Exit |
|
|
Eskenazi B, Gladstone EA, Berkowitz GS, Drew CH, Faustman EM, Holland NT, Lanphear B, Meisel SJ, Perera FP, Rauh VA, Sweeney A, Whyatt RM, Yolton K. Methodologic and logistic issues in conducting longitudinal birth cohort studies: lessons learned from the Centers for Children's Environmental Health and Disease Prevention Research. Environmental Health Perspectives 2005;113(10):1419-1429. |
R829390 (2005) R829390 (Final) R829390C002 (2005) R827027 (2002) R829389 (2003) R829389 (2004) R829389 (2005) R829389 (Final) R831709 (2005) R831709C001 (2004) R831710 (2005) R831710 (Final) R831710C001 (2006) R831710C002 (2006) R831711 (2005) R831711 (2006) R831711 (2007) R831711 (Final) R831711C001 (2006) R831711C002 (2004) R831711C002 (2006) R831711C003 (2006) R832141 (2005) R832141 (2007) R832141 (Final) |
|
|
|
Kornosky JL, Peck JD, Sweeney AM, Adelson PL, Schantz SL. Reproductive characteristics of Southeast Asian immigrants pre and post migration. Journal of Immigrant and Minority Health 2008;10(2):135-143. |
R829390 (2005) |
Exit |
|
|
Kostyniak PJ, Hansen LG, Widholm JJ, Fitzpatrick RD, Olson JR, Helferich JL, Kim KH, Sable HJ, Seegal RF, Pessah IN, Schantz SL. Formulation and characterization of an experimental PCB mixture designed to mimic human exposure from contaminated fish. Toxicological Sciences 2005;88(2):400-411. |
R829390 (2005) R829388 (2006) R829388 (Final) R829388C006 (2005) |
Exit Exit Exit |
|
|
Lyng GD, Synder-Keller A, Seegal RF. Dopaminergic development of prenatal ventral mesencephalon and striatum in organotypic co-cultures. Brain Research 2007;1133(1):1-9. |
R829390 (2005) |
Exit Exit Exit |
|
|
Lyng GD, Synder-Keller A, Seegal RF. Polychlorinated biphenyl-induced neurotoxicity in organotypic co-cultures of developing rat ventral mesencephalon and striatum. Toxicological Sciences 2007;97(1):128-139. |
R829390 (2005) |
Exit Exit Exit |
|
|
Lyng GD, Seegal RF. Polychlorinated biphenyl-induced oxidative stress in organotypic co-cultures: experimental dopamine depletion prevents reductions in GABA. NeuroToxicology 2008;29(2):301-308. |
R829390 (2005) |
Exit Exit Exit |
|
|
Powers BE, Widholm JJ, Lasky RE, Schantz SL. Auditory deficits in rats exposed to an environmental PCB mixture during development. Toxicology Science 2006;89(2):415-422. |
R829390 (2005) |
Exit Exit Exit |
|
|
Roegge CS, Wang VC, Powers BE, Klintsova AY, Villareal S, Greenough WT, Schantz SL. Motor impairment in rats exposed to PCBs and methylmercury during early development. Toxicological Sciences 2004;77(2):315-324. |
R829390 (2005) R829390C001 (2004) |
Exit Exit Exit |
|
|
Roegge CS, Morris JR, Villareal S, Wang VC, Powers BE, Klintsova AY, Greenough WT, Pessah IN, Schantz SL. Purkinje cell and cerebellar effects following developmental exposure to PCBs and/or MeHg. Neurotoxicology and Teratology 2006;28(1):74-85. |
R829390 (2005) R829390C001 (2005) R829388 (2006) R829388 (Final) R829388C006 (2005) |
Exit Exit Exit |
|
|
Roegge CS, Schantz SL. Motor function following developmental exposure to PCBS and/or MEHG. Neurotoxicology and Teratology 2006;28(2):260-277. |
R829390 (2005) R829390C001 (2005) |
Exit Exit Exit |
|
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Roegge CS, Wang VC, Powers BE, Klintsova A, Villareal S, Greenough WT, Schantz SL. Motor functions in rats exposed to PCBs and methylmercury during early development. Neurotoxicology and Teratology 2002;24(3):424-425. |
R829390C001 (2002) R829390C001 (2003) |
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Sable HJK, Powers BE, Wang VC, Widholm JJ, Schantz SL. Alterations in DRH and DRL performance in rats developmentally exposed to an environmental PCB mixture. Neurotoxicology and Teratology 2006;28(5):548-556. |
R829390 (2005) |
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Seegal RF, Brosch KO, Okoniewski RJ. Coplanar PCB congeners increase uterine weight and frontal cortical dopamine in the developing rat: implications for developmental neurotoxicity. Toxicological Sciences 2005;86(1):125-131. |
R829390 (2005) R829390C004 (2005) |
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Sweeney AM, Peck JD, Gasior DM, Gardiner J, Schantz SL. Perinatal PCBs and mercury exposure and neurodevelopmental outcomes. Epidemiology 2004;15(4):S147. |
R829390C002 (2004) |
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Widholm JJ, Villareal S, Seegal RF, Schantz SL. Spatial alternation deficits following developmental exposure to Aroclor 1254 and/or methylmercury in rats. Toxicological Sciences 2004;82(2):577-589. |
R829390 (2002) R829390 (2005) R829390C001 (2004) |
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Widholm, J., Villareal, S., Seegal, R., and Schantz, S. (2002). Impaired spatial alternation following developmental exposure to PCBs and methylmercury in rats. The Toxicologist, 66(1S): LB128. |
R829390C001 (2002) |
not available |
Supplemental Keywords:
RFA, Health, Scientific Discipline, Geographic Area, Midwest, Toxicology, Health Risk Assessment, Chemistry, Risk Assessments, Susceptibility/Sensitive Population/Genetic Susceptibility, Disease & Cumulative Effects, Children's Health, genetic susceptability, Ecological Risk Assessment, Molecular Biology/Genetics, neurotoxic, human data, Fox River, PCBs, pesticides, behavioral assessment, children, neurotoxicity, motor development, methylmercury, PCB, behavioral deficits, cognitive development, Wisconsin (WI), reproductive health, animal studies, biomedical research, exposure assessmentProgress and Final Reports:
2002 Progress Report2003 Progress Report
2004 Progress Report
2005 Progress Report
Final Report
Subprojects under this Center: (EPA does not fund or establish subprojects; EPA awards and manages the overall grant for this center).
R829390C001 Neurobehavioral Effects of PCBs and Methylmercury in Rats
R829390C002 Perinatal PCB Exposure and Neuropsychological/Auditory Function
R829390C003 FRIENDS Analytical Toxicology Core Facility
R829390C004 Developmental Effects of PCBs and Methylmercury


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