QQuickView Class
The QQuickView class provides a window for displaying a Qt Quick user interface. More...
| Header: | #include <QQuickView> |
| qmake: | QT += quick |
| Since: | Qt 5.0 |
| Inherits: | QQuickWindow |
Public Types
| enum | ResizeMode { SizeViewToRootObject, SizeRootObjectToView } |
| enum | Status { Null, Ready, Loading, Error } |
Properties
- resizeMode : ResizeMode
- source : QUrl
- status : const Status
- 3 properties inherited from QQuickWindow
- 16 properties inherited from QWindow
Public Functions
| QQuickView(QWindow *parent = Q_NULLPTR) | |
| QQuickView(QQmlEngine *engine, QWindow *parent) | |
| QQuickView(const QUrl &source, QWindow *parent = Q_NULLPTR) | |
| virtual | ~QQuickView() |
| QQmlEngine * | engine() const |
| QList<QQmlError> | errors() const |
| QSize | initialSize() const |
| ResizeMode | resizeMode() const |
| QQmlContext * | rootContext() const |
| QQuickItem * | rootObject() const |
| void | setResizeMode(ResizeMode) |
| QUrl | source() const |
| Status | status() const |
- 31 public functions inherited from QQuickWindow
- 80 public functions inherited from QWindow
- 6 public functions inherited from QSurface
Public Slots
| void | setSource(const QUrl &url) |
- 2 public slots inherited from QQuickWindow
- 22 public slots inherited from QWindow
Signals
| void | statusChanged(QQuickView::Status status) |
- 14 signals inherited from QQuickWindow
- 18 signals inherited from QWindow
Reimplemented Protected Functions
| virtual void | keyPressEvent(QKeyEvent *e) override |
| virtual void | keyReleaseEvent(QKeyEvent *e) override |
| virtual void | mouseMoveEvent(QMouseEvent *e) override |
| virtual void | mousePressEvent(QMouseEvent *e) override |
| virtual void | mouseReleaseEvent(QMouseEvent *e) override |
- 14 protected functions inherited from QQuickWindow
- 18 protected functions inherited from QWindow
Additional Inherited Members
- 5 static public members inherited from QQuickWindow
- 1 static public member inherited from QWindow
- 14 protected functions inherited from QQuickWindow
- 18 protected functions inherited from QWindow
- 2 protected variables inherited from QSurface
Detailed Description
The QQuickView class provides a window for displaying a Qt Quick user interface.
This is a convenience subclass of QQuickWindow which will automatically load and display a QML scene when given the URL of the main source file. Alternatively, you can instantiate your own objects using QQmlComponent and place them in a manually setup QQuickWindow.
Typical usage:
QQuickView *view = new QQuickView; view->setSource(QUrl::fromLocalFile("myqmlfile.qml")); view->show();
To receive errors related to loading and executing QML with QQuickView, you can connect to the statusChanged() signal and monitor for QQuickView::Error. The errors are available via QQuickView::errors().
QQuickView also manages sizing of the view and root object. By default, the resizeMode is SizeViewToRootObject, which will load the component and resize it to the size of the view. Alternatively the resizeMode may be set to SizeRootObjectToView which will resize the view to the size of the root object.
See also Exposing Attributes of C++ Types to QML and QQuickWidget.
Member Type Documentation
enum QQuickView::ResizeMode
This enum specifies how to resize the view.
| Constant | Value | Description |
|---|---|---|
QQuickView::SizeViewToRootObject | 0 | The view resizes with the root item in the QML. |
QQuickView::SizeRootObjectToView | 1 | The view will automatically resize the root item to the size of the view. |
enum QQuickView::Status
Specifies the loading status of the QQuickView.
| Constant | Value | Description |
|---|---|---|
QQuickView::Null | 0 | This QQuickView has no source set. |
QQuickView::Ready | 1 | This QQuickView has loaded and created the QML component. |
QQuickView::Loading | 2 | This QQuickView is loading network data. |
QQuickView::Error | 3 | One or more errors has occurred. Call errors() to retrieve a list of errors. |
Property Documentation
resizeMode : ResizeMode
This property holds whether the view should resize the window contents
If this property is set to SizeViewToRootObject (the default), the view resizes to the size of the root item in the QML.
If this property is set to SizeRootObjectToView, the view will automatically resize the root item to the size of the view.
Access functions:
| ResizeMode | resizeMode() const |
| void | setResizeMode(ResizeMode) |
See also initialSize().
source : QUrl
This property holds the URL of the source of the QML component.
Ensure that the URL provided is full and correct, in particular, use QUrl::fromLocalFile() when loading a file from the local filesystem.
Note that setting a source URL will result in the QML component being instantiated, even if the URL is unchanged from the current value.
Access functions:
status : const Status
The component's current status.
Access functions:
| Status | status() const |
Notifier signal:
| void | statusChanged(QQuickView::Status status) |
Member Function Documentation
QQuickView::QQuickView(QWindow *parent = Q_NULLPTR)
Constructs a QQuickView with the given parent. The default value of parent is 0.
QQuickView::QQuickView(QQmlEngine *engine, QWindow *parent)
Constructs a QQuickView with the given QML engine and parent.
Note: In this case, the QQuickView does not own the given engine object; it is the caller's responsibility to destroy the engine. If the engine is deleted before the view, status() will return QQuickView::Error.
See also Status, status(), and errors().
QQuickView::QQuickView(const QUrl &source, QWindow *parent = Q_NULLPTR)
Constructs a QQuickView with the given QML source and parent. The default value of parent is 0.
[virtual]
QQuickView::~QQuickView()
Destroys the QQuickView.
QQmlEngine *QQuickView::engine() const
Returns a pointer to the QQmlEngine used for instantiating QML Components.
QList<QQmlError> QQuickView::errors() const
Return the list of errors that occurred during the last compile or create operation. When the status is not Error, an empty list is returned.
QSize QQuickView::initialSize() const
Returns the initial size of the root object.
If resizeMode is QQuickItem::SizeRootObjectToView the root object will be resized to the size of the view. initialSize contains the size of the root object before it was resized.
[override virtual protected]
void QQuickView::keyPressEvent(QKeyEvent *e)
Reimplemented from QWindow::keyPressEvent().
[override virtual protected]
void QQuickView::keyReleaseEvent(QKeyEvent *e)
Reimplemented from QWindow::keyReleaseEvent().
[override virtual protected]
void QQuickView::mouseMoveEvent(QMouseEvent *e)
Reimplemented from QWindow::mouseMoveEvent().
[override virtual protected]
void QQuickView::mousePressEvent(QMouseEvent *e)
Reimplemented from QWindow::mousePressEvent().
[override virtual protected]
void QQuickView::mouseReleaseEvent(QMouseEvent *e)
Reimplemented from QWindow::mouseReleaseEvent().
QQmlContext *QQuickView::rootContext() const
This function returns the root of the context hierarchy. Each QML component is instantiated in a QQmlContext. QQmlContext's are essential for passing data to QML components. In QML, contexts are arranged hierarchically and this hierarchy is managed by the QQmlEngine.
QQuickItem *QQuickView::rootObject() const
Returns the view's root item.
[slot]
void QQuickView::setSource(const QUrl &url)
Sets the source to the url, loads the QML component and instantiates it.
Ensure that the URL provided is full and correct, in particular, use QUrl::fromLocalFile() when loading a file from the local filesystem.
Calling this method multiple times with the same url will result in the QML component being reinstantiated.
Note: Setter function for property source.
See also source().
QUrl QQuickView::source() const
Returns the source URL, if set.
Note: Getter function for property source.
See also setSource().
[signal]
void QQuickView::statusChanged(QQuickView::Status status)
This signal is emitted when the component's current status changes.
Note: Notifier signal for property status.


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COMMENT ON { TABLE object_name | AGGREGATE agg_name (agg_type [, ...] ) | CAST (source_type AS target_type) | COLUMN relation_name.column_name | CONSTRAINT constraint_name ON table_name | CONVERSION object_name | DATABASE object_name | DOMAIN object_name | FUNCTION function_name ( [ [ argmode ] [ argname ] argtype [, ...] ] ) | INDEX object_name | LARGE OBJECT large_object_oid | OPERATOR operator_name (left_type, right_type) | OPERATOR CLASS object_name USING index_method | OPERATOR FAMILY object_name USING index_method | [ PROCEDURAL ] LANGUAGE object_name | ROLE object_name | RULE rule_name ON table_name | SCHEMA object_name | SEQUENCE object_name | TABLESPACE object_name | TEXT SEARCH CONFIGURATION object_name | TEXT SEARCH DICTIONARY object_name | TEXT SEARCH PARSER object_name | TEXT SEARCH TEMPLATE object_name | TRIGGER trigger_name ON table_name | TYPE object_name | VIEW object_name } IS 'text'
COMMENT stores a comment about a database object.
To modify a comment, issue a new COMMENT command for the same object. Only one comment string is stored for each object. To remove a comment, write NULL in place of the text string. Comments are automatically dropped when the object is dropped.
Comments can be viewed using psql's
\d family of commands.
Other user interfaces to retrieve comments can be built atop
the same built-in functions that psql uses, namely
obj_description
, col_description
,
and shobj_description
(see Table 9-51).
The name of the object to be commented. Names of tables, aggregates, domains, functions, indexes, operators, operator classes, operator families, sequences, text search objects, types, and views can be schema-qualified. When commenting on a column, relation_name must refer to a table, view, or composite type.
An input data type on which the aggregate function operates. To reference a zero-argument aggregate function, write * in place of the list of input data types.
The name of the source data type of the cast.
The name of the target data type of the cast.
The mode of a function argument: IN, OUT, INOUT, or VARIADIC. If omitted, the default is IN. Note that COMMENT ON FUNCTION does not actually pay any attention to OUT arguments, since only the input arguments are needed to determine the function's identity. So it is sufficient to list the IN, INOUT, and VARIADIC arguments.
The name of a function argument. Note that COMMENT ON FUNCTION does not actually pay any attention to argument names, since only the argument data types are needed to determine the function's identity.
The data type(s) of the function's arguments (optionally schema-qualified), if any.
The OID of the large object.
This is a noise word.
The new comment, written as a string literal; or NULL to drop the comment.
There is presently no security mechanism for comments: any user connected to a database can see all the comments for objects in that database (although only superusers can change comments for objects that they don't own). For shared objects such as databases, roles, and tablespaces comments are stored globally and any user connected to any database can see all the comments for shared objects. Therefore, don't put security-critical information in comments.
Attach a comment to the table mytable:
COMMENT ON TABLE mytable IS 'This is my table.';


og cabin, small house built of logs notched at the ends and laid one upon another with the spaces filled with plaster, moss, mortar, mud, or dried manure. Log cabins are found especially in wooded areas, where the construction material is easily at hand.


{% extends 'team_base.html' %} {% load commonmark %} {% block title %} Leave Team: {{ team.name }} | {{ block.super }} {% endblock %} {% block team_content %}
Really leave the {{ team.name }} team?


--- layout: post title: diy pantone easter eggs date: '2012-04-09T17:27:37+01:00' tags: [] tumblr_url: http://backlog.robbevan.com/post/20783374100/diy-pantone-easter-eggs ---
DIY Pantone Easter eggs


react-native start
Command-line tools to start the React Native server.
More information: home page
- Start the server that communicates with connected devices:
react-native start
- Start the metro bundler with a clean cache:
react-native start --reset-cache
- Start the server in a custom port (defaults to 8081):
react-native start --port 3000
- Start the server in verbose mode:
react-native start --verbose
- Specify the maximum number of workers for transforming files (default is the number of CPU cores):
react-native start --max-workers count
- Disable interactive mode:
react-native start --no-interactive


My awesome web page
Tessa's Stories
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Google
Hello there, awesome person!


brick-deck
A Brick box element in which cards can be cycled independently of order with a variety of different transitions.
Demo
Usage
Import Web Components polyfill:
<script src="bower_components/platform/platform.js"></script>
Import Custom Element:
<link rel="import" href="src/element.html">
Start using it:
<brick-deck selected-index="0"> <brick-card selected>0</brick-card> <brick-card>1</brick-card> <brick-card>2</brick-card> <brick-card>3</brick-card> <brick-card>4</brick-card> </brick-deck>
Options
| Attribute | Options | Default | Description |
|---|---|---|---|
transition-type |
string
|
- |
Defines the type of animation to use for cycling between cards.
The default is no transition animation.
This property can either be set as an HTML attribute under the name transition-type ,
or programmatically with the property transitionType selected-index .
|
selected-index |
number | - |
Gets/sets the index of the currently selected card in the deck.
Can either be set as an HTML attribute under the name selected-index or programmatically with the property selectedIndex. |
loop |
boolean | - | Toggle allowance of looping when calling nextCard and previousCard methods has reached the end of either side of the index. |
Accessors
| Poperty | Type | Description |
|---|---|---|
transitionType |
string | corresponds to the transition-type attribute |
selectedIndex |
string | corresponds to the selected-index attribute |
loop |
boolean | corresponds to the loop attribute |
cards (getter only) |
array | array of all the brick-card elements contained in an brick-deck |
selectedCard (getter only) |
brick-card | the brick-card DOM element that is currently displayed by the deck. Returns null if no such card exists. |
Methods
| Method | Returns | Description |
|---|---|---|
showCard(index / element, [direction]) |
- | Transitions to the brick-card at the given index within the deck. If given a direction of 'forward', will perform the forwards/normal version of the current transition animation. If given 'reverse', will performs the reverse animation. If the direction is omitted, the deck will perform a forward animation. |
hideCard(index / element) |
- | Hides the card element or card located at a specified index. |
nextCard([direction]) |
- | Transitions to the next card in the deck, looping back to the start if needed. |
previousCard([direction]) |
- | Transitions to the previous card in the deck, looping back to the end if needed. |
Events
| Event | Description |
|---|---|
show |
Fired from a card target after it has completed its show animation, and the show state has been finalized. |
hide |
Fired from a card target after it has completed its hide animation, and the hide state has been finalized. |
Development
Brick components use Stylus to generate their CSS.
This repository comes outfitted with a set of tools to ease the development process.
To get started:
-
$ npm install -g bower gulp
Install local dependencies:
$ npm install && bower install
While developing your component, there is a development server that will watch your files for changes and automatically re-build your styles and re-lint your code.
To run the development server:
- Run
gulp server
- Navigate to
http:localhost:3001
To simply build and lint your code, run gulp build
.
You can also push your code to GitHub Pages by running gulp deploy
.


Event Summary
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Event Feedback
I liked the way presenters conveyed the information. Real fun and good activities.
I liked the concept of doing activities whenever we felt bored and you all taught really well.
I loved the session to my fullest. Very informative. I am very anxious for the upcoming classes. Thankyou for teaching.
From this session I liked learning new things like IP addressing, what is a packet, how does a message move from one place to another. I also liked activities andit was fun.
Likes-Everything! Especially IP address and the Internet Traffic Activity. Dislikes - Nothing!
Awesome. It was one of the best classes of Idea Lab. I didn't feel bored. I could learn lot of things. Thank You! Feeling Excited!


Parameter list for the current execution of FitHiChIP: /home/springer/liang795/projects-in-nathan-lab/HiChip/2021-analysis/HiChip2021/Mo17-H3K4me3-Loop-Chip-1000//Parameters.txt
List of CIS interactions within the specified distance thresholds (lower threshold: 20000 upper threshold: 2000000 ): /home/springer/liang795/projects-in-nathan-lab/HiChip/2021-analysis/HiChip2021/Mo17-H3K4me3-Loop-Chip-1000//HiCPro_Matrix_BinSize1000/L_20000_U2000000/FitHiChIP.cis.interactions.DistThr.bed
Number of interacting (non zero contacts) bin pairs ( all to all ) : 14341918Bin specific HiChIP coverage, coverage bias, and peak / non-peak boolean values: /home/springer/liang795/projects-in-nathan-lab/HiChip/2021-analysis/HiChip2021/Mo17-H3K4me3-Loop-Chip-1000//NormFeatures/Coverage_Bias/FitHiChIP.coverage_Bias.bed
All interactions with their FitHiChIP significance values: /home/springer/liang795/projects-in-nathan-lab/HiChip/2021-analysis/HiChip2021/Mo17-H3K4me3-Loop-Chip-1000//FitHiChIP_Peak2ALL_b1000_L20000_U2000000/P2PBckgr_0/Coverage_Bias/FitHiC_BiasCorr/FitHiChIP.interactions_FitHiC.bed
Number of interactions considered: 5704688Significant interactions: /home/springer/liang795/projects-in-nathan-lab/HiChip/2021-analysis/HiChip2021/Mo17-H3K4me3-Loop-Chip-1000//FitHiChIP_Peak2ALL_b1000_L20000_U2000000/P2PBckgr_0/Coverage_Bias/FitHiC_BiasCorr/FitHiChIP.interactions_FitHiC_Q0.01.bed
Total number of significant interactions ( FDR 0.01 ) : 2195After merging adjacent loops (connected component modeling) significant interactions: /home/springer/liang795/projects-in-nathan-lab/HiChip/2021-analysis/HiChip2021/Mo17-H3K4me3-Loop-Chip-1000//FitHiChIP_Peak2ALL_b1000_L20000_U2000000/P2PBckgr_0/Coverage_Bias/FitHiC_BiasCorr/Merge_Nearby_Interactions/FitHiChIP.interactions_FitHiC_Q0.01_MergeNearContacts.bed
Total number of significant interactions ( FDR 0.01 ) after merging adjacent loops: 287


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File: source/peer-privileged.js
/** * These are the list of Peer list retrieval states that Skylink would trigger. * - This relates to and requires the Privileged Key feature where Peers using * that Privileged alias Key becomes a privileged Peer with privileged functionalities. * @attribute GET_PEERS_STATE * @type JSON * @param {String} ENQUIRED Value "enquired" * The state when the privileged Peer already enquired signaling for list of peers. * @param {String} RECEIVED Value "received" * The state when the privileged Peer received list of peers from signaling. * @readOnly * @component Peer * @for Skylink * @since 0.6.1 */ Skylink.prototype.GET_PEERS_STATE = { ENQUIRED: 'enquired', RECEIVED: 'received' }; /** * These are the list of Peer introduction states that Skylink would trigger. * - This relates to and requires the Privileged Key feature where Peers using * that Privileged alias Key becomes a privileged Peer with privileged functionalities. * @attribute INTRODUCE_STATE * @type JSON * @param {String} INTRODUCING Value "enquired" * The state when the privileged Peer have sent the introduction signal. * @param {String} ERROR Value "error" * The state when the Peer introduction has occurred an exception. * @readOnly * @component Peer * @for Skylink * @since 0.6.1 */ Skylink.prototype.INTRODUCE_STATE = { INTRODUCING: 'introducing', ERROR: 'error' }; /** * Whether this user automatically introduce to other peers. * @attribute _autoIntroduce * @type Boolean * @default true * @private * @component Peer * @for Skylink * @since 0.6.1 */ Skylink.prototype._autoIntroduce = true; /** * Whether this user is a privileged user. * @attribute isPrivileged * @type Boolean * @default false * @private * @component Peer * @for Skylink * @since 0.6.1 */ Skylink.prototype._isPrivileged = false; /** * List of peers retrieved from signaling * @attribute _peerList * @type Object * @default null * @private * @component Peer * @for Skylink * @since 0.6.1 */ Skylink.prototype._peerList = null; /** * Retrieves the list of rooms and peers under the same realm based * on the Application Key configured in {{#crossLink "Skylink/init:method"}}init(){{/crossLink}} * from the platform signaling. * This will only work if self is a privileged Peer. * @method getPeers * @param {Boolean} [showAll=false] The flag that indicates if returned list should * also include privileged and standard in the list. By default, the value is false. * Which means only unprivileged peers' ID (isPrivileged = autoIntroduce = false) is included. * @param {Function} [callback] The callback fired after the receiving the current * list of Peers from platform signaling or have met with an exception. * The callback signature is function (error, success). * @param {Object} callback.error The error object received in the callback. * This is the exception thrown that caused the failure for getting self user media. * If received as null, it means that there is no errors. * @param {JSON} callback.success The success object received in the callback. * If received as null, it means that there are errors. * @example * * // To get list of unprivileged peers only * SkylinkDemo.getPeers(); * * // To get list of all peers, including other privileged peers * SkylinkDemo.getPeers(true); * * // To get a list of unprivileged peers then invoke the callback * SkylinkDemo.getPeers(function(error, success){ * if (error){ * console.log("Error happened. Can not retrieve list of peers"); * } * else{ * console.log("Success fully retrieved list of peers", success); * } * }); * * // To get a list of all peers then invoke the callback * SkylinkDemo.getPeers(true, function(error, success){ * if (error){ * console.log("Error happened. Can not retrieve list of peers"); * } * else{ * console.log("Success fully retrieved list of peers", success); * } * }); * * @trigger getPeersStateChange * @component Peer * @for Skylink * @since 0.6.1 */ Skylink.prototype.getPeers = function(showAll, callback){ var self = this; if (!self._isPrivileged){ log.warn('Please upgrade your key to privileged to use this function'); return; } if (!self._appKey){ log.warn('App key is not defined. Please authenticate again.'); return; } // Only callback is provided if (typeof showAll === 'function'){ callback = showAll; showAll = false; } self._sendChannelMessage({ type: self._SIG_MESSAGE_TYPE.GET_PEERS, showAll: showAll || false }); self._trigger('getPeersStateChange',self.GET_PEERS_STATE.ENQUIRED, self._user.sid, null); log.log('Enquired server for peers within the realm'); if (typeof callback === 'function'){ self.once('getPeersStateChange', function(state, privilegedPeerId, peerList){ callback(null, peerList); }, function(state, privilegedPeerId, peerList){ return state === self.GET_PEERS_STATE.RECEIVED; }); } }; /** * Introduces two Peers to each other to start a connection with each other. * This will only work if self is a privileged Peer. * @method introducePeer * @param {String} sendingPeerId The Peer ID of the peer * that initiates the connection with the introduced Peer. * @param {String} receivingPeerId The Peer ID of the * introduced peer who would be introduced to the initiator Peer. * @trigger introduceStateChange * @component Peer * @for Skylink * @since 0.6.1 */ Skylink.prototype.introducePeer = function(sendingPeerId, receivingPeerId){ var self = this; if (!self._isPrivileged){ log.warn('Please upgrade your key to privileged to use this function'); self._trigger('introduceStateChange', self.INTRODUCE_STATE.ERROR, self._user.sid, sendingPeerId, receivingPeerId, 'notPrivileged'); return; } self._sendChannelMessage({ type: self._SIG_MESSAGE_TYPE.INTRODUCE, sendingPeerId: sendingPeerId, receivingPeerId: receivingPeerId }); self._trigger('introduceStateChange', self.INTRODUCE_STATE.INTRODUCING, self._user.sid, sendingPeerId, receivingPeerId, null); log.log('Introducing',sendingPeerId,'to',receivingPeerId); };


| 1 | /* | |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
| 3 | * contributor license agreements. See the NOTICE file distributed with | |
| 4 | * this work for additional information regarding copyright ownership. | |
| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 | |
| 6 | * (the "License"); you may not use this file except in compliance with | |
| 7 | * the License. You may obtain a copy of the License at | |
| 8 | * | |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 | * | |
| 11 | * Unless required by applicable law or agreed to in writing, software | |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 | * See the License for the specific language governing permissions and | |
| 15 | * limitations under the License. | |
| 16 | */ | |
| 17 | package org.apache.commons.io.output; | |
| 18 | ||
| 19 | import java.io.IOException; | |
| 20 | import java.io.OutputStream; | |
| 21 | ||
| 22 | /** | |
| 23 | * Classic splitter of OutputStream. Named after the unix 'tee' | |
| 24 | * command. It allows a stream to be branched off so there | |
| 25 | * are now two streams. | |
| 26 | * | |
| 27 | */ | |
| 28 | public class TeeOutputStream extends ProxyOutputStream { | |
| 29 | ||
| 30 | /** the second OutputStream to write to */ | |
| 31 | protected OutputStream branch; //TODO consider making this private | |
| 32 | ||
| 33 | /** | |
| 34 | * Constructs a TeeOutputStream. | |
| 35 | * @param out the main OutputStream | |
| 36 | * @param branch the second OutputStream | |
| 37 | */ | |
| 38 | public TeeOutputStream(final OutputStream out, final OutputStream branch) { | |
| 39 | super(out); | |
| 40 | this.branch = branch; | |
| 41 | } | |
| 42 | ||
| 43 | /** | |
| 44 | * Write the bytes to both streams. | |
| 45 | * @param b the bytes to write | |
| 46 | * @throws IOException if an I/O error occurs | |
| 47 | */ | |
| 48 | @Override | |
| 49 | public synchronized void write(final byte[] b) throws IOException { | |
| 50 |
1
1. write : removed call to org/apache/commons/io/output/ProxyOutputStream::write → KILLED |
super.write(b); |
| 51 |
1
1. write : removed call to java/io/OutputStream::write → KILLED |
this.branch.write(b); |
| 52 | } | |
| 53 | ||
| 54 | /** | |
| 55 | * Write the specified bytes to both streams. | |
| 56 | * @param b the bytes to write | |
| 57 | * @param off The start offset | |
| 58 | * @param len The number of bytes to write | |
| 59 | * @throws IOException if an I/O error occurs | |
| 60 | */ | |
| 61 | @Override | |
| 62 | public synchronized void write(final byte[] b, final int off, final int len) throws IOException { | |
| 63 |
1
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| 65 | } | |
| 66 | ||
| 67 | /** | |
| 68 | * Write a byte to both streams. | |
| 69 | * @param b the byte to write | |
| 70 | * @throws IOException if an I/O error occurs | |
| 71 | */ | |
| 72 | @Override | |
| 73 | public synchronized void write(final int b) throws IOException { | |
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| 79 | * Flushes both streams. | |
| 80 | * @throws IOException if an I/O error occurs | |
| 81 | */ | |
| 82 | @Override | |
| 83 | public void flush() throws IOException { | |
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| 89 | * Closes both output streams. | |
| 90 | * | |
| 91 | * If closing the main output stream throws an exception, attempt to close the branch output stream. | |
| 92 | * | |
| 93 | * If closing the main and branch output streams both throw exceptions, which exceptions is thrown by this method is | |
| 94 | * currently unspecified and subject to change. | |
| 95 | * | |
| 96 | * @throws IOException | |
| 97 | * if an I/O error occurs | |
| 98 | */ | |
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Australian Human Rights Commission AI - Submission
At Braneshop we’re keen to see AI develop positively in our community. The rules and regulation around AI will play a key role in ensuring that the AI that is ultimately built and used ends up creating good community outcomes.
The Australian Human Rights Commission recently put out a call for consultation on AI - Governance and Leadership. The deadline for a submission is the 18th of March at 5pm (so there’s still time if you’re quick!)
Working with Martin and Sam at Northraine and other interested parties, we prepared a joint submission, which you can read here: Our HRC Submission.
One really important message regarding ethics and AI, that I’ve seen recently, comes from the following papers: The Ethics of AI Ethics – An Evaluation of Guidelines.
Quoting the author:
“Ethics is then no longer understood as a deontologically inspired tick-box exercise, but as a project of advancing personalities, changing attitudes, strengthen responsibilities and gaining courage to refrain from certain actions, which are deemed unethical. […] It should not be the objective of ethics to stifle activity, but to do the exact opposite, i.e. broadening the scope of action, uncovering blind spots, promoting autonomy and freedom, and fostering self-responsibility.” - Thilo Hagendorff
Emphasis mine.
This is a crucial and important thought when considereding any kind of “normative”, rule-based, punishment-driven acitivies, over those that enrich, embolden and allow for, and encourage, the growth of people and communities.


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Please feel free to take a look at some of the projects I have worked on. These projects include implmenetations in various languages, using different software applications for development.
Seam Carving Post Processing Algorithm for Inkwell Framework
Developed a post processing system for microfluidics CAD designs using the seam carving technique from image processing and other techniques from graph theory. This project was implemented in C++ using Lemon and STL libraries and a suite of tests using Travis CI to ensure continued functionality of the sub-system.
This post process algorithm reduced the area of a chip with a better time complexity than the system previous used.
Research Experience For Undergrads (REU) - National Science Foundation (NSF)
( June 2016 - Present )
Inkwell Framework Software Development & Seam Carving Extension
Extended the seam carving post-process algorithm which allowed the removal of contraints and facilitated further chip area reduction.
Implmented a suite of intersection detection algorithms to the inkwell framework.
Updated the Travis Continuous Integration script and test suite.
Education
Highlander - UCR Alumni
University Of California, Riverside ( June 2015 - June 2018)
Bachelor's of Science, Computer Engineering
GPA: 3.26
Contact
Please feel free to check out my resume, Github, or contact me, I look forward to hearing from you.
Cody Falzone
QuadCopter
Category: Embedded Systems
Language: C++
Software: Arduino IDE
Designed and implemented a quadcopter using an Arduino UNO with an ATmega328P on board, interfacing with several peripherals. These peripherals include a MPU-6050 for angular data, which is used to inform the PID controller, an HC-05 Bluetooth module, four ESC motors controlled using pulse width modulation, and two parallax two-axis joysticks for the controller.
Designed and implemented an RC car using an ATmega1284 microcontroller, interfacing with several peripherals. The RC car used peripherals such as DC motors, Ultrasonic Ranging Module for collision detection and bluetooth communication. Below is my documentation on the project including schematics, finite state diagrams (FSMs) and in depth periphieral descriptions.
For more information, check out my video description on Youtube or my Full Project Documenation.
Video Description
Full Project Documentation
RC Car Project
The embedded system project that was implemented was a remote control car with an LED matrix display, range detection, and collision avoidance.
Web Automation
Python application in an effort to learn automation testing web frameworks.
Category: Web Automation Testing Frameworks
Language: Python
Software: VIM Terminal/Linux
This project is a application that automates the process of reserving library rooms reservations for studing purposes in my college studious endeavors. Additionally, Google's GCalendar API was used in order to sync reservations made with Google Calendar to track reservations made automatically. This application was implemented in Python using Selenium and BeautifulSoup libraries. Developed using an OO page model for agile and modular, easily extensible, reusable code. This automated web application and libries has helped improve my knowledge and experience with automation web testing frameworks for quality assurance of future products.
Applied Machine Learning and Data Mining techniques using MATLAB.
Category: Applied Machine Learning/Data Mining
Language: MATLAB
Software: MATLAB
This repository is for Applied Machine Learning and Data Mining techniques using MATLAB.
Some techniques include Nueral Networks, Decision Trees, Rule Association, Nearest Neighbor.
Artifical Intelligence in Python.
Use of Search Algorithms to solve problems including uninformed search and A* search applied to solving a sliding puzzle for a proof of concept. Additionally, Feature Selection with Nearest Neighbor classifier and leave-one-out validation were also implmented.
This project was implemented in an OO manner with agile, modular, easily extensible code. This allows for any search or feature selection algorithm to be easily deployed and switched between one another.
A networked Hangman game for learning threads, sockets, and network communcation.
Category: Threading/Networking
Language: Python
Software: VIM / Linux Terminal
This is a Hangman Game developed with for the purpose of learning Threads, Networking Libraries, and Networking protocols. This application allows for multiple client connections to the server and facilitates multiple games with multiple users in each game. This is implemented in Python using the Threading and Socket.io libraries.


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Game Quirk Generator
Select quirk generation options, and press "Generate"!
Perspective:
Any
Perspectiveless
Sidescroller
Isometric
First-person
Third-person
Mechanic:
Any
Puzzle
Platformer
Shooter
Strategy
Quirks:
Generate
{{perspective}} {{mechanic}} {{quirks}}


Table of Contents
Introduction and Set up
-
The Margin:
The margin of a linear classifier is the distance from the decision boundary to the nearest sample point.
-
- The current Problem:
- All the classifiers discussed thus far (i.e. Centroid, Perceptron) will converge to a correct classifier on linearly seprable data; however, the classifier they converge to is not unique nor the best.
-
But what does it mean to be the “best” classifier?
- We assume that if we can maximize the distance between the data points to be classified and the hyperplane that classifies them, then we have reached a boundary that allows for the “best-fit”, i.e. allows for the most room for error.
-
- The Solution:
- We enforce a constraint that achieves a classifier that has a maximum-margin.
- The Signed Distance:
The signed distance is the minimum distance from a point to a hyperplane. We solve for the signed distance to achieve the following formula for it: \(d = \dfrac{\| w \cdot x_0 + b \|}{\|w\|},\)
where we have an n-dimensional hyperplane: \(w \cdot x + b = 0\) and a point \(\mathbf{x}_ n\).- Proof.
- Suppose we have an affine hyperplane defined by \(w \cdot x + b\) and a point \(\mathbf{x}_ n\).
- Suppose that \(\mathbf{x} \in \mathbf{R}^n\) is a point satisfying \(w \cdot \mathbf{x} + b = 0\), i.e. it is a point on the plane.
-
We construct the vector \(\mathbf{x}_ n−\mathbf{x}\) which points from \(\mathbf{x}\) to \(\mathbf{x}_ n\), and then, project (scalar projection==signed distance) it onto the unique vector perpendicular to the plane, i.e. \(w\),
\[d=| \text{comp}_{w} (\mathbf{x}_ n-\mathbf{x})| = \left| \frac{(\mathbf{x}_ n-\mathbf{x})\cdot w}{\|w\|} \right| = \frac{|\mathbf{x}_ n \cdot w - \mathbf{x} \cdot w|}{\|w\|}.\] -
Since \(\mathbf{x}\) is a vector on the plane, it must satisfy \(w\cdot \mathbf{x}=-b\) so we get
\[d=| \text{comp}_{w} (\mathbf{x}_ n-\mathbf{x})| = \frac{|\mathbf{x}_ n \cdot w +b|}{\|w\|}\]
Thus, we conclude that if \(\|w\| = 1\) then the signed distance from a datapoint \(X_i\) to the hyperplane is \(\|wX_i + b\|\).
(Caltech):
So, now we can characterize the margin, with its size, as the distance, \(\frac{1}{\|\mathbf{w}\|}\), between the hyperplane/boundary and the closest point to the plane \(\mathbf{x}_ n\), in both directions (multiply by 2) \(= \frac{2}{\|\mathbf{w}\|}\) ; given the condition we specified earlier \(\left|\mathbf{w}^{\top} \mathbf{x}_ {n} + b\right|=1\) for the closest point \(\mathbf{x}_ n\).Thus, we formulate the optimization problem of maximizing the margin by maximizing the distance, subject to the condition on how we derived the distance:
$$\max_{\mathbf{w}} \dfrac{2}{\|\mathbf{w}\|} \:\:\: : \:\: \min _{n=1,2, \ldots, N}\left|\mathbf{w}^{\top} \mathbf{x}_{n}+b\right|=1$$
Which we can reformulate by (1) Flipping and Minimizing, (2) Taking a square since it’s monotonic and convex, and (3) noticing that \(\left|\mathbf{w}^{T} \mathbf{x}_ {n}+b\right|=y_{n}\left(\mathbf{w}^{T} \mathbf{x}_ {n}+b\right)\) (since the signal and label must agree, their product will always be positive) and the \(\min\) operator can be replaced by ensuring that for all the points the condition \(y_{n}\left(\mathbf{w}^{\top} \mathbf{x}_ {n}+b\right) \geq 1\) holds proof (by contradiction) as:
$$\min_w \dfrac{1}{2} \mathbf{w}^T\mathbf{w} \:\:\: : \:\: y_{n}\left(\mathbf{w}^{\top} \mathbf{x}_ {n}+b\right) \geq 1 \:\: \forall i \in [1,N]$$
Now when we solve the “friendly” equation above, we will get the separating plane with the best possible margin (best=biggest).
To solve the above problem, we need something that deals with inequality constraints; thus, we use the KKT method for solving a Lagrnagian under inequality constraints.
The Lagrange Formulation:- Formulate the Lagrangian:
- Take each inequality constraint and put them in the zero-form (equality with Zero)
- Multiply each inequality by a Lagrange Multiplier \(\alpha_n\)
- Add them to the objective function \(\min_w \dfrac{1}{2} \mathbf{w}^T\mathbf{w}\)
The sign will be \(-\) (negative) simply because the inequality is \(\geq 0\)
$$\min_{w, b} \max_{\alpha_n} \mathcal{L}(\mathbf{w}, b, \boldsymbol{\alpha}) = \dfrac{1}{2} \mathbf{w}^T\mathbf{w} -\sum_{n=1}^{N} \alpha_{n}\left(y_{n}\left(\mathbf{w}^{\top} \mathbf{x}_ {n}+b\right)-1\right) \:\:\: : \:\: \alpha_n \geq 0$$
- Optimize the objective independently, for each of the unconstrained variables:
- Gradient w.r.t. \(\mathbf{w}\):
$$\nabla_{\mathrm{w}} \mathcal{L}=\mathrm{w}-\sum_{n=1}^{N} \alpha_{n} y_{n} \mathrm{x}_ {n}=0 \\ \implies \\ \mathbf{w}=\sum_{n=1}^{N} \alpha_{n} y_{n} \mathbf{x}_ {n}$$
- Derivative w.r.t. \(b\):
$$\frac{\partial \mathcal{L}}{\partial b}=-\sum_{n=1}^{N} \alpha_{n} y_{n}=0 \\ \implies \\ \sum_{n=1}^{N} \alpha_{n} y_{n}=0$$
- Gradient w.r.t. \(\mathbf{w}\):
- Get the Dual Formulation w.r.t. the (tricky) constrained variable \(\alpha_n\):
- Substitute with the above conditions in the original lagrangian (such that the optimization w.r.t. \(\alpha_n\) will become free of \(\mathbf{w}\) and \(b\):
$$\mathcal{L}(\boldsymbol{\alpha})=\sum_{n=1}^{N} \alpha_{n}-\frac{1}{2} \sum_{n=1}^{N} \sum_{m=1}^{N} y_{n} y_{m} \alpha_{n} \alpha_{m} \mathbf{x}_{n}^{\mathrm{T}} \mathbf{x}_{m}$$
- Notice that the first constraint \(\mathbf{w}=\sum_{n=1}^{N} \alpha_{n} y_{n} \mathbf{x}_ {n}\) has-no-effect/doesn’t-constraint \(\alpha_n\) so it’s a vacuous constraint. However, not the second constraint \(\sum_{n=1}^{N} \alpha_{n} y_{n}=0\).
- Set the optimization objective and the constraints, a quadratic function in \(\alpha_n\):
$$\max_{\alpha} \mathcal{L}(\boldsymbol{\alpha})=\sum_{n=1}^{N} \alpha_{n}-\frac{1}{2} \sum_{n=1}^{N} \sum_{m=1}^{N} y_{n} y_{m} \alpha_{n} \alpha_{m} \mathbf{x}_{n}^{\mathrm{T}} \mathbf{x}_{m} \\ \:\:\:\:\:\:\:\:\:\: : \:\: \alpha_n \geq 0 \:\: \forall \: n= 1, \ldots, N \:\: \wedge \:\: \sum_{n=1}^{N} \alpha_{n} y_{n}=0$$
- Substitute with the above conditions in the original lagrangian (such that the optimization w.r.t. \(\alpha_n\) will become free of \(\mathbf{w}\) and \(b\):
- Set the problem as a Quadratic Programming problem:
- Change the maximization to minimization by flipping the signs:
$$\min _{\alpha} \frac{1}{2} \sum_{n=1}^{N} \sum_{m=1}^{N} y_{n} y_{m} \alpha_{n} \alpha_{m} \mathbf{x}_{0}^{\mathrm{T}} \mathbf{x}_{m}-\sum_{n=1}^{N} \alpha_{n}$$
- Isolate the Coefficients from the \(\alpha_n\)s and set in matrix-form:
$$\min _{\alpha} \frac{1}{2} \alpha^{\top} \underbrace{\begin{bmatrix} y_{1} y_{1} \mathbf{x}_{1}^{\top} \mathbf{x}_{1} & y_{1} y_{2} \mathbf{x}_{1}^{\top} \mathbf{x}_{2} & \ldots & y_{1} y_{N} \mathbf{x}_{1}^{\top} \mathbf{x}_{N} \\ y_{2} y_{1} \mathbf{x}_{2}^{\top} \mathbf{x}_{1} & y_{2} y_{2} \mathbf{x}_{2}^{\top} \mathbf{x}_{2} & \ldots & y_{2} y_{N} \mathbf{x}_{2}^{\top} \mathbf{x}_{N} \\ \ldots & \ldots & \ldots & \ldots \\ y_{N} y_{1} \mathbf{x}_{N}^{\top} \mathbf{x}_{1} & y_{N} y_{2} \mathbf{x}_{N}^{\top} \mathbf{x}_{2} & \ldots & y_{N} y_{N} \mathbf{x}_{N}^{\top} \mathbf{x}_{N} \end{bmatrix}}_{\text{quadratic coefficients}} \alpha+\underbrace{\left(-1^{\top}\right)}_ {\text { linear }} \alpha \\ \:\:\:\:\:\:\:\:\:\: : \:\: \underbrace{\mathbf{y}^{\top} \boldsymbol{\alpha}=0}_{\text { linear constraint }} \:\: \wedge \:\: \underbrace{0}_{\text { lower bounds }} \leq \alpha \leq \underbrace{\infty}_{\text { upper bounds }} $$
The Quadratic Programming Package asks you for the Quadratic Term (Matrix) and the Linear Term, and for the Linear Constraint and the Range of \(\alpha_n\)s; and then, gives you back an \(\mathbf{\alpha}\).
Equivalently:
$$\min _{\alpha} \frac{1}{2} \boldsymbol{\alpha}^{\mathrm{T}} \mathrm{Q} \boldsymbol{\alpha}-\mathbf{1}^{\mathrm{T}} \boldsymbol{\alpha} \quad \text { subject to } \quad \mathbf{y}^{\mathrm{T}} \boldsymbol{\alpha}=0 ; \quad \boldsymbol{\alpha} \geq \mathbf{0}$$
- Change the maximization to minimization by flipping the signs:
- Proof.
- Geometric Analysis:
First, we notice that for any given plane \(w^Tx = 0\), the equations, \(\gamma * w^Tx = 0\), where \(\gamma \in \mathbf{R}\) is a scalar, basically characterize the same plane and not many planes.
This is because \(w^Tx = 0 \iff \gamma * w^Tx = \gamma * 0 \iff \gamma * w^Tx = 0\).
The above implies that any model that takes input \(w\) and produces a margin, will have to be Scale Invariant.
To get around this and simplify the analysis, I am going to consider all the representations of the same plane, and I am going to pick one where we normalize (re-scale) the weight \(w\) such that the signed distance (distance to the point closest to the margin) is equal to one:$$|w^Tx_n| > 0 \rightarrow |w^Tx_n| = 1$$
, where \(x_n\) is the point closest to the plane.
We constraint the hyperplane by normalizing \(w\) to this equation \(|w^Tx_i| = 1\) or with added bias, \(|w^Tx_i + b| = 1\).
This implies that there exists a “slab” of width \(\dfrac{2}{\|w\|}\). - The Margin, mathematically:
Now, we can mathematically characterize the margin.
By substituting the constraints \(\: y_i(w^TX_i+ b) \geq 1, \forall i \in [1,n]\) and the signed distance:$$\min_i \dfrac{1}{\|w\|} \|w^TX_i + b\| \geq \dfrac{1}{w}$$
-
- The distance of the point closest to the hyperplane:
- We find the distance of the point closest to the hyperplane.
- Let \(X_n\) be the point that is closest to the plane, and let \(\hat{w} = \dfrac{w}{\|w\|}\).
Take any point \(X\) on the plane, and let \(\vec{v}\) be the vector \(\vec{v} = X_n - X\). - Now, the distance, d is equal to
- \[\begin{align} d & \ = \|\hat{w}\vec{v}\| \\ & \ = \|\hat{w}(X_n - X)\| \\ & \ = \|\hat{w}X_n - \hat{w}X)\| \\ & \ = \dfrac{1}{\|w\|}\|wX_n + b - wX) - b\|, & \text{we add and subtract the bias } b\\ & \ = \dfrac{1}{\|w\|}\|(wX_n + b) - (wX + b)\| \\ & \ = \dfrac{1}{\|w\|}\|(wX_n + b) - (0)\|, & \text{from the eq. of the plane on a point on the plane} \\ & \ = \dfrac{1}{\|w\|}\|(1) - (0)\|, & \text{from the constraint on the distance of the closest point} \\ & \ = \dfrac{1}{\|w\|} \end{align}\]
-
- Slab Existence:
- The analysis done above allows us to conclusively prove that there exists a slab of width \(\dfrac{2}{\|w\|}\) containing no sample points where the hyperplane runs through (bisects) its center.
-
- Maximizing the Margin:
- To maximize the margin we need to maximize the width of the slab, i.e. maximize \(\dfrac{2}{\|w\|}\),
or equivalently, - \[\max_w \dfrac{2}{\|w\|} = \min_w \dfrac{\|w\|}{2} = \min_w \dfrac{1}{2}\|w\| \min_w \dfrac{1}{2}\|w\|^2\]
- subject to the constraint mentioned earlier \(\min_i \|wX + b\| = 1, \forall i \in [1,n]\), or equivalently
- \[y_i(wX_i + b) \geq 1, \forall i \in [1,n]\]
- since the equation \(y_i(wX_i + b)\) enforces the absolute value condition as was our analysis for regular linear classifiers.
-
- The Optimization Problem for Maximum Margin Classifiers:
- \[\min_w \dfrac{1}{2}w^Tw \:\:\: : \:\: y_i(wX_i + b) \geq 1, \forall i \in [1,n]\]
-
The above problem is a Quadratic Program, in \(d + 1\)-diminsions and \(n\)-constraints, in standard form.
-
Notice that we use the quadratic \(w^Tw\) instead of the linear \(w\) as the objective because the quadratic function is smooth at zero as opposed to the linear objective which hinders the optimization.
- Notes:
- The weight vector \(\mathbf{w}\) is orthogonal to the separating-plane/decision-boundary, defined by \(\mathbf{w}^T\mathbf{x} + b = 0\), in the \(\mathcal{X}\) space; Reason:
Since if you take any two points \(\mathbf{x}^\prime\) and \(\mathbf{x}^{\prime \prime}\) on the plane, and create the vector \(\left(\mathbf{x}^{\prime}-\mathbf{x}^{\prime \prime}\right)\) parallel to the plane by subtracting the two points, then the following equations must hold:$$\mathbf{w}^{\top} \mathbf{x}^{\prime}+b=0 \wedge \mathbf{w}^{\top} \mathbf{x}^{\prime \prime}+b=0 \implies \mathbf{w}^{\top}\left(\mathbf{x}^{\prime}-\mathbf{x}^{\prime \prime}\right)=0$$
- In a problem of minimizing a function:
- Unconstrained problem:
You set the gradient of the function to Zero and solve. - Constrained (regularization?):
The gradient becomes related to the constraint; the gradient \(\nabla E_{\mathrm{in}}\) is normal to the constraint.
- Unconstrained problem:
- Conceptual Dichotomy between Regularization and SVM:
img
- The weight vector \(\mathbf{w}\) is orthogonal to the separating-plane/decision-boundary, defined by \(\mathbf{w}^T\mathbf{x} + b = 0\), in the \(\mathcal{X}\) space; Reason:


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Amazon EC2 API with OpenStack - Developer Quick Start
OpenStack has support for EC2 API, that is, you can fire Amazon's API against an OpenStack cloud and it will still work. This article gets you started with using them locally against DevStack. It is more of a starter guide to a novice.
Fire a DevStack with it's default settings. See this post for more information on it.
git clone http://github.com/openstack-dev/devstack
cd devstack/
./stack.sh
Source openrc
source openrc
View all EC2 credentials available for the current user (here, demo
user in demo
tenant)
$ keystone ec2-credentials-list
+----------------------------------+----------------------------------+----------------------------------+
| tenant | access | secret |
+----------------------------------+----------------------------------+----------------------------------+
| 0e9f99a6f2064464aa054d305ba08052 | ef61007dae74468eb9593ffbbd22d9f1 | 28c7ad6248de4e6a8649b3e2d122ac5d |
| 9b93a67201264492be3d0998b87d821b | 1b0a617dbef347cb968c8eed160de0b3 | b6525738ad6044ea9c49abeefabf86de |
+----------------------------------+----------------------------------+----------------------------------+
But which one is my current tenant? Let's get that from parsing the output of token-get
command
$ keystone token-get | grep tenant | awk '{print $4}'
0e9f99a6f2064464aa054d305ba08052
Note the access and secret keys.
Let's get started with the boto
client for consuming AWS APIs. I prefer ipython
shell, for its interactive features, but normal Python shell is just fine too. (Install ipython as sudo apt-get install ipython
).
Import necessary module
>> import boto
Create a conn
connection object, which we'll use for querying our cloud
>> conn = boto.connect_ec2_endpoint('http://<IP_ADDRESS>:8773/services/Cloud',
aws_access_key_id='ef61007dae74468eb9593ffbbd22d9f1',
aws_secret_access_key='28c7ad6248de4e6a8649b3e2d122ac5d')
Here <IP_ADDRESS>
is the IP of my machine. Don't forget to change it to yours.
If everything is successful, call to get_all_instances()
will return an empty list
>> conn.get_all_instances()
[]
Okay, now let's create an instance. List all the images first
In [20]: conn.get_all_images()
Out[20]:
[Image:aki-00000001,
Image:ari-00000002,
Image:ami-00000003,
Image:ami-00000004]
Image ami-00000003
should be the cirros image from which we'll create an instance. But still, let's confirm that
In [26]: img = conn.get_image('ami-00000003')
In [27]: img.name
Out[27]: u'cirros-0.3.2-x86_64-uec'
Now let's use this image to create an instance. Boto's get_all_instances
returns a list of reservations, which makes getting the instance object slightly roundabout.
In [35]: conn.run_instances(image_id='ami-00000003', instance_type='m1.tiny')
Out[35]: Reservation:r-08b8idoz
In [40]: reservations = conn.get_all_instances()
In [42]: resvn = reservations[0]
In [44]: instance = resvn.instances[0]
In [45]: instance.state
Out[45]: u'running'
And then delete it
In [47]: conn.terminate_instances('i-00000002')
Out[47]: [Instance:i-00000002]
In [50]: conn.get_all_reservations()
Out[50]: []
That's it for now :)
Use ipython
or bpython
for exploring boto library more and discover more APIs.
If you want to see what EC2 API was actually called behind the scenes, create a file /etc/boto.cfg
and add these two lines. Now whenever you will use an interactive Python terminal, you'll see on your screen the EC2 API being called.
[Boto]
debug=2
Cheers!


About Me
Skills
Management
People
Service
Product
Technology
Development
Infrastructure
Personality
Team spirit
Patience
Stubborn
Language
French
English
German
Experience
Provide standard Cloud apps for developpers and It manager
IT Product Manager focus on strategy, Design, Developement and Operations
Comply with Micro Service Oriented Architecture and latest Technology
Manage Product Releases and Deployments
Participate to developments and operations if required
Provide standard Cloud apps for developpers and It manager
IT Product Manager focus on strategy, Design and Operations
Comply with Micro Service Oriented Technology
Manage Product Releases and Deployments
Define and Follow Budget, Revenues
develop and operate if required
Logitics company specialised in Premium Freight
Manage 30 people with various profiles as developers, support and infrastructure.
Migrate to major cloud provider
Implement Agile to the development team
Support and Challenge Infrastructure and development team in Technical Orientation
Migrate monolithic CRM to SOA
Support HR for recruitment, job description and career plan
Convert Company strategy and vision to IT plans
Arbitrate Business/IT decisions
IT Company - Formerly Bull by acquisition
Responsible for the “IS Customer Service” operational service at the European Commission
within the agreed budget and SLAs.
Managed the Transition from T&M to a Managed Service
Manage/Implement ITIL processes (Change, Request Fulfillment, Configuration and Capacity
Management).
Lead Project/Change Managers and service desk agents profiles
Manage critical projects (migration, development, transition…)
Coach, support and develop team members
Ensure discussions, decisions and escalations to deliver projects/changes successfully
Coordinate with internal and external customers and/or stakeholders
Improve Methodology and/or workflow/processes/procedures
IT Company - Branch of TATA group
Responsible for the “Backup & Storage” operational service at the European Commission
Manage Transition from/to Managed Services
Responsible for the SLA with the European Commission - reporting: weekly, monthly and
specifics (supervision, validation and presentation) - improvement and adjustment according
to the ITIL standards.
Team leading including organisation Setup, Task assignment and daily follow up of
activities
Responsible for main ITIL processes implementation (Incident, Change, Problem,
Configuration, Capacity Management..)
IT Company - Branch of NTT group
Responsible for the “Backup & Storage”operational service at the European Commission.
Responsible for the SLA with the European Commission - reporting: weekly, monthly and
specifics (supervision, validation and presentation) - improvement and adjustment according
to the ITIL standards.
Team leading including Organisation Setup, Task assignment and daily follow up of
activities
Responsible for main ITIL processes implementation (Incident, Change, Problem,
Configuration, Capacity Management..)
IT Company specialized in OS, Servers and Storage
Sun Luxembourg Clients Support Service
Supports hardware servers and storage in Large Data Centers
Supports Software (Operating Systems, Backups..) for Customers
Defines, schedules, and implements advanced infrastructure maintenance
Develops standards and policies
On call activities to support customers infrastructure
Fiancial Digital Company
Manage Projects (Migration of the Solaris servers to Linux)a
Responsible for the company’s servers, DMZ clustered servers (LAMT/P), and LAN’s servers
(Samba, Ldap, Mail, Dns .)
Manage Infrastructure, Servers, Network (switches and firewalls), Desktops
IT company
Meet Customers with Sales Team to support them with technical expertise.
Install and Configure Linux solutions for Customers.
Provide Linux Trainings (Basic and Advanced) to Customers and colleagues.
IT company providing infrastructure assets
Analyse Linux/Unix/Vmware issues and problems for DELL and EMC’s european customers on
Server/Storage/SAN Switch environment.
Work on site to install and configure customer’s systems in large Datacentre
Work on shift for recovery and complex issues (infrastructure,system recovery…)
Vivendi Games
www.vivendi.com/en/activities/video-games/Game debugger and tester
Feb 2003 - Aug 2003
Game producer
Game debugger (Warcraft 3, Final fight, the Hobbit…)
Game tester
Retail Company
Operation lead for Open Systems infrastructure
Management of the Open system team.
Installation/Configuration and Operations of Servers (LDAP, mail,Samba,DNS,FW,DB2,
VPN,Firewall, IDS..)
Manage Projects such as Migration from Token ring to Ethernet, Install new Shop
infrastructure.
IT consultanty company
Improvement and evolution of portable Afis system development.
Creation of Afis Protocol system messenger with Specification, Messenger analyse and
conception, Development, Test and documentation.
Correction of a radar chip setting software including errors corrections and validation,
Creation of tests procedures
Logistic company
Java Applet development for truck logistic
Industry
Intranet Website developement (LAMP)
Education
ULP Strasbourg
Degree Computer Science
1999 - 2000
French University located in Strasbourg
Degree in computer science specialized in parallel computing.
UFR Besancon
Degree in Mathematics
1995 - 1999
French University located in Besancon
Degree in mathematics specialized in applied mathematics
Fun Projects (with my kids)
Game racing car
Simple car racing game done with my kids. Very simplist but good learning path.
Node-red fan. NoCode is the way to go.
I am using NR in many cases: personnal and professional. Love it. Quick and simple. Give it a try. Created few palettes for work.
Just for Fun.
Simple app to demonstrate js coding, socket and chromecast support. Just for the fun of it with my kids. Used to have the yoctu services plugged in as well.
Bash Framework. Do you believe it ?
full Bash web framework. Used to create quick bash apis or cgi script. Simple and easy.
A Little More About Me
Alongside my interests in IT some of my other interests and hobbies are:
- Familly :)
- Gaming
- Working


class Comparator : Comparator<Double>
A comparator that allows to compare heuristic values according to a specific TextMetric. The comparator implicitly takes into account whether the metric is a gain metric or a loss metric.
Comparator(metric: TextMetric)
A comparator that allows to compare heuristic values according to a specific TextMetric. The comparator implicitly takes into account whether the metric is a gain metric or a loss metric. |
val metric: TextMetric
The metric that has been used to calculate the heuristic values |
fun compare(o1: Double?, o2: Double?): Int |


Climate Data Online: Dataset Discovery
Click on each dataset name to expand and view more details. Information generally includes a description of each dataset, links to related tools, FTP access, and downloadable samples.
Climate Data Online
The datasets listed in this section are accessible within the Climate Data Online search interface.
Legacy Applications
The datasets listed below are for older system access and aren't directly accessible with the current Climate Data Online toolset, but are available through legacy servers and application.


Amazing HTML
(Home tasty Meal & Lunch) Restaurant
You order was confirmed!
Thanks for choosing our services!
Time do deliver 01:00:00
HTML Restaurant ® 2019 | need help? call us:
+123456789


Tell Us About Yourself
Let's go ahead and get you signed up.
visa
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mastercard
discover
unionpay
jcb
dinersClub
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visaElectron


The IFRC’s Middle East and North Africa regional office works in support of 17 National Red Cross and Red Crescent Societies in the region. Through its country cluster support teams and country offices, it provides coordination, financial and technical support for disaster operations and longer term development programmes throughout the region. Amid political turmoil that has been ravaging several countries in MENA in recent years, National Red Cross and Red Crescent Societies have focused much of their efforts of providing relief and support to communities affected by conflicts. They have also made significant investment in strengthening the expertise of their volunteer teams to respond to a variety of crises. This form of development is an ongoing process.
Data Source: The INFORM Risk Index
| Appeal | Start Date | End Date | Targeted | Budget | Funding | Coverage | Appeal Code |


| Interface | Description |
|---|---|
| Algorithm |
Marker interface for all interfaces which define algorithms.
|
| AlgorithmFactory<T extends Algorithm> |
Interface to define a factory which can generate instances of
Algorithm from a specified algorithm name. |
| Algorithms |
Constant algorithm names for retrieving implementations from the
AlgorithmManager instance. |
| Compression |
Interface for defining an algorithm which supports compressing and
decompressing byte data for an SSH session.
|
| KeyPairGenDSA |
Interface for defining a key-pair generator using the Digital Signature
Standard (DSS).
|
| KeyPairGenRSA |
Interface for defining a key-pair generator using the RSA algorithm.
|
| Random |
Interface to define an algorithm which generates pseudo-random data used
in cryptographic processes.
|
| SignatureDSA |
Interface to define a DSA signature.
|
| SignatureRSA |
Interface to define a RSA signature.
|
| Class | Description |
|---|---|
| AlgorithmManager |
Algorithm manager provides a central location for creating
Algorithm
instances using the manager's AlgorithmFactory . |
| CompressionImpl |
Implementation of
Compression which uses the JCraft jzlib library
to compress and/or uncompress byte data. |
| DefaultAlgorithmFactory<T extends Algorithm> |
Default implementation of the
AlgorithmFactory factory pattern
which supports the use of generics to create instances of Algorithm
of the specified type T . |
| KeyPairGenDSAImpl |
Implementation of
KeyPairGenDSA for generating key pairs using
DSA encryption. |
| KeyPairGenRSAImpl |
Implementation of
KeyPairGenRSA for generating key pairs using
RSA encryption. |
| RandomImpl |
Implementation of
Random which wraps a SecureRandom instance
to create cryptographically strong random numbers. |
| SignatureDSAImpl |
Implementation of
SignatureDSA . |
| SignatureRSAImpl |
Implementation of
SignatureRSA . |
| Exception | Description |
|---|---|
| UnsupportedAlgorithmException |
An implementation of
JSchException to use when an Algorithm
implementation is not supported. |
Copyright © 2015. All rights reserved.


Julius Ngwu
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3 references to _commandEntryList
System.Management.Automation (3)
FormatAndOutput\common\OutputManager.cs (3)
274
foreach (CommandEntry ce in
_commandEntryList
)
290
foreach (CommandEntry ce in
_commandEntryList
)
310
foreach (CommandEntry ce in
_commandEntryList
)


Static Properties
ChainCache
Simple, lightweight, efficient cache for large numbers of keys which expire on a uniform TTL but may be renewed frequently. This cache type uses a double-linked-list structure. A single timer is used and no events are provided.
DocumentChainCache
Simple, lightweight, efficient cache for large numbers of keys which expire on a uniform TTL but may be renewed frequently. This cache type uses a double-linked-list structure. A single timer is used and no events are provided.
LimitDropCache
Simple, lightweight, efficient cache for large numbers of keys which expire on a uniform TTL but may be renewed frequently. This cache type uses a double-linked-list structure. A single timer is used and no events are provided.
RangeIndex
Map values to Numbers, then perform nearby-value and range queries.


EastEnders arrest, Corrie fire and 18 more soap spoilers
There’s tough times ahead for some big soap characters, as Linda Carter (Kellie Bright) finds herself on the wrong side of the law in EastEnders, while Tyrone Dobbs (Alan Halsall) and Fiz Stape (Jennie McAlpine) worry about daughter Hope when she seemingly stars a fire in Coronation Street.
In Emmerdale, Bernice Blackstock (Samantha Giles) prepares for her wedding to Dr Liam Cavanagh (Jonny McPherson), while in Hollyoaks, Damon Kinsella (Jacob Roberts) is back in the village.
EastEnders
With Mick having to attend a doctor’s appointment, Linda agrees to to leave Ollie to school — in spite of the fact that she’s still a bit hungover. While at the school, she accidentally reverses her car into another, and refrains from telling anyone. However, unbeknown to her, someone was watching. Later, Mieko and Shelley wait on her — with two police officer’s in tow — and, after a breathalyser test, Linda is arrested.
Mick is determined to make his Wife Swap competition a success, and — as the day of said competition arrives — everyone awaits the outcome at The Queen Vic. However, Gray decides to take it upon himself to sabotage the results.
Martin’s problems continue, and when drama ensues in The Queen Vic, he makes a quick exit. However, Ruby is quick to follow him, and tells him that he can stay at her flat if he wishes. Martin’s emotional as a result, and her thanks her for being so supportive, and leans in to kiss her — however, he stops himself from doing so.
Advertisement Advertisement
Coronation Street
Paul’s fuming with Bernie when he discovers that she’s reported Kel for sexual abuse. Kel’s arrested for burglary, but — during the interview — he’s shown the photos that were at his flat. As a result, and angry Kel later takes Bernie hostage at No. 5. However, Gemma and Paul come to the rescue, and Bernie promises to be a better mum.
Hope isn’t pleased when Fiz refuses to throw a fireworks party. However, with the young girl exhibiting worrying behaviour once more, Tyrone suggests that maybe they’d be better off doing as she wishes. Later, during the party, Kevin and Tyrone come to the realisation that the back yard is on fire — and Hope is evidently amused as she watches the flames.
Richard and Nina pay a visit to Weatherfield to see where Roy works. However, Richard’s tired and frail afterwards, and Nina blames Roy for the setback. Later, Roy looks after Richard — and realises just how hard it must be for Nina to do this on a regular basis.
Emmerdale
Determined to get revenge on Graham, Kim implies to Marlon that her ex-lover shouldn’t be around Leo. Rhona berates her for interfering, but little does she know Kim’s planning something big. Later, Graham receives a text from Kim saying she needs to speak to her employees in the Woolpack. However, when Graham arrives, he knows what’s about to happen. Kim reveals a shocking secret about Graham — and Rhona’s floored as a result.
Afterwards, Graham attempts to damage control, and thus he heads over to speak to Rhona. However, he’s not given much opportunity to do so, as Marlon intervenes and punches him as a result.
The week of Bernice and Liam’s wedding arrives, and Dee Dee informs her mum that she’s decided to start school in Emmerdale as a wedding gift. At the hen do, Bernice’s kids are mortified when a stripper shows up, but — during the celebrations — Bernice misses a call. Meanwhile Dee Dee takes a call — and she makes a shocking revelation.
Advertisement Advertisement
Hollyoaks
Sylver and Grace spend quite a bit of time together, and Breda is disgusted when Grace enters the living room in nothing more than her dressing gown — with Sylver’s tool belt as an accompaniment. Worried about how Sylver’s actions will look to the police, Breda asks her son to choose between his family and Grace.
After Luke disappears without telling her where he’s off to, Cindy becomes suspicious and decides to check out his laptop. However, Joel spies an opportunity and thus hides the device, promising to return it to her if she helps him out in the soup kitchen.
Damon returns to the village — as does Maxine — and the pair set their sights upon one another for the first time since his sentencing. However, with Liberty flirting with Damon, Maxine begins to believe that they’re dating.
Plus!
- Ian is determined to impress as he holds an event to plug his councillor campaign in EastEnders
- Nick reveals his new plans for the factory in Coronation Street
- Jimmy offers to babysit for Laurel in Emmerdale
- Juliet learns that Sid is homeless in Hollyoaks
- Ben helps Sonia out in EastEnders
- Michelle informs Robert she wants to go ahead with the wedding in Coronation Street
- Dawn discovers a secret of Al’s in Emmerdale
- Scott suggests he could move in with Mitchell in Hollyoaks


Moving
Moving to a new location is one of the most exciting changes, but it is challenging as well.
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Moving to a new location is one of the most exciting changes, but it is challenging as well.
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Moving home from one place to another is such a hectic task and involves a lot of efforts. But at the end of the day you will find that you have mistakenly broken some of your fragile pieces of stuff while moving.
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Lorraine Kelly weeps as she receives special honour to mark her 60th birthday
The TV presenter was shocked by the many surprises during the live broadcast.
Lorraine Kelly could not hold back her tears as she was treated to several surprises on her morning TV show to celebrate her 60th birthday.
The TV presenter cried a number of times during the programme, but the Scottish broadcaster wept the most when being given the title of Honorary Colonel of the Army Cadets across the UK.
Kelly, a passionate supporter of the armed forces, wiped tears away as she was presented with a uniform and cap.
She said she was “so honoured” and added: “Gosh that’s amazing. Thank you, goodness me. I’m so thrilled.”
A post on the official Army Cadet Force Twitter said: “We are enormously proud to announce that @reallorraine has been appointed National Honorary Colonel of the @ArmyCadetsUK.
“Lorraine has been an avid supporter of Army Cadets for many years and we are delighted to welcome her to the ACF Team. #GoingFurther #ToInspiretoAchieve.”
The programme was hosted by Ben Shephard, who wore a kilt for the occasion.
He opened the show by telling her that he was the first surprise and would be fronting the show for her, and Kelly admitted to being quite scared about not knowing what was going to happen.
She was greeted by a bagpipe band called the Red Hot Chili Pipers wearing t-shirts with her face on.
Kelly was shocked when football pundit-turned-singer Chris Kamara popped out of a giant birthday cake for her, and was touched when Craig David appeared in the studio to wish her a happy birthday while armed with gifts.
Dr Hilary was also there to present Kelly with a special portrait painted to celebrate her time as Rector of Dundee University painted by local artist Sylvia Tarvet.
The painting will be hung at the university, and Kelly said: “I had such an amazing time at the university… it was like going without any of the studying, I have an honorary degree… what an honour. I think that’s amazing.”
Kelly, whose birthday is on Saturday, was also shocked by an appearance from her brother Graham and his daughter Rosie, all the way from Singapore via videolink.
There were more tears as they shared stories of why she is so special to them, and Rosie told her auntie that she would be home at Christmas to keep celebrating.
Kelly told Shephard that she has had one of the best years having being on Coronation Street and appearing on the panel of RuPaul’s Drag Race UK, as well as astronaut training.


Week 3
Week three has come and gone, and I must say much was accomplished.
It started out with the completion of our second project, Netflix. It was definately a step into some new territory completing that project, but all in all, it ended in success. I was able to submit it in time and complete all of the requirements. Exposure to JSON … Check. Practicing XP practices … Check. Learning the Value of Testing … Check.
The high point of the week, however, was meeting our guest lecturer from Rackspace, Everett Toews. He came in to give us a tutorial on how to spin up our own servers (hosted by Rackspace) and launch a VM, which will all tie in to our 3-phase group project that we’ll be starting on this upcoming week.
Test 3 is on Monday, and I can’t help but feel a little eager to take it. I feel like my head is about to explode from the plethera of Python coding guru-knowledge that’s just beginning to settle in my brain, and I’m ready to put it to the test. As quoted from Downing, the test itself will be soley code based, and if that is the case, I feel as though I’ll have a fun time.
Tip of the Week:
Throughout this painful (and short) weekend of studying, I have found posts by Jeff and Praveen to be really helpful in giving thorough explainations of topics we have covered in class. I especially enjoyed their posts about Python Generators, Classes and OO Style, and understanding Python Iterables and Iterators.


Part of clickndrag.gui View In Hierarchy
This class implements a fixed-dimension plane with a scroll bar to scroll its content plane. Subplane structure: ScrollingPlane | +---content | | | +---content_plane from __init__() | +---scrollbar_container | +---scrollbar
| Method | __init__ | Initalise. |
Inherited from Plane:
| Method | sub | Remove the Plane given from its current parent and add it as a subplane of this Plane. |
| Method | remove | Remove subplane by name or Plane instance. |
| Method | remove_all | Convenience method to call Plane.remove() for all subplanes. |
| Method | __getattr__ | Access subplanes as attributes. |
| Method | render | Draw a composite surface of this plane and all subplanes, in order of their addition. |
| Method | get_plane_at | Return the (sub)plane and the succeeding parent coordinates at the given coordinates. |
| Method | update | Update hook. |
| Method | clicked | Called when there is a MOUSEDOWN event on this plane. |
| Method | dropped_upon | If a plane is dropped on top of this one, call dropped_upon_callback() and conditionally grab it. |
| Method | destroy | Remove this Plane from the parent plane, remove all subplanes and delete all pygame Surfaces. |
| Method | sync | Save the Plane given as master Plane and the position offset to that Plane for position synchronisation in Plane.update(). |
| Method | unsync | Remove the position synchronisation to the sync master Plane. |
| Method | __repr__ | Readable string representation. |
Initalise. rect states the dimensions without the scroll bar.


{{data?.type| titlecase }}
{{data?.subtype| titlecase }}
{{data?.area}}{{data?.areaType| titlecase }}
{{data?.subtype| titlecase }}
{{data?.rooms.beds}} Bedrooms
{{data?.rooms.baths}} Bathrooms
4 Floors
Kitchens {{data?.rooms.kitchens}}
|
Servant Quarters {{data?.rooms.servant_quarters}}
|
Store Rooms {{data?.rooms.store_rooms}}
|
Other Rooms {{data?.rooms.other_rooms}}
Servant Quarters {{data?.rooms.servant_quarters}}
|
Other Rooms {{data?.rooms.other_rooms}}
Special Features
Balloted
|
Boundary Wall
|
Corner
|
Disputed
|
Electricity
|
File
|
Park Facing
|
Possession
|
Sewerage
|
Sui Gas
|
Water Supply
Dining Room
|
Drawing Room
|
Gym
|
Laundry Room
|
Lounge Room
|
Powder Room
|
Prayer Room
|
Steam Room
|
Studying Room
|
ATM
|
Business Center
|
Cable Tv
|
Intercom
|
Internet
|
Lawn
|
Maintainance Staff
|


Welcome To Our Family
Our Family Developed recipe for a coffee-time confection called Salmon Cookies,These cookies made into the shape of a salmon that has just a hint of fishy goodness.
We are excited for you to visit us !
coffee-time
Our Family Developed recipe for a coffee-time confection called Salmon Cookies,These cookies made into the shape of a salmon that has just a hint of fishy goodness.
We are excited for you to visit us !
Our Locations Are :
We open on 6:00 AM to 8:00 PM for all locations
Our goal It is the happiness of every customer who deals with us and that we achieve the best services and prices for him


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Test-driven development
Test, code, refactor. Repeat as necessary.
Dec 12, 2015
What is test-driven development?
Test-driven development is a style of coding that centers on the repetition of a short development cycle. Basically, a programmer adds a test case that defines a new function, adds a minimum amount of code to pass that test (and all previous tests), and then refactors the code.
OK, then. Why would I want to do it?
- Tends to produce modular, flexible, and extensible code
- Ensures all code is covered by at least one test
- Limits number of defects in the code
- Catches errors early in the development cycle, helping to avoid complicated degugging later in development
- Tests tend to be very thorough, and detect unexpected changes in code behavior when the code base is later edited
- Prevents extraneous labor since code is not written unless there is first a test to motivate that code
Convincing. How do I do it?
- Add a test - figure out what feature you would like to add, and then write a test to cover that feature.
- Run all tests and make sure the new one fails - this will validate that the test setup is working, that the feature you want to add doesn't already exist, and that the new test is actually useful and fails in the expected circumstances.
- Write new code - write code so that your new test passes; it doesn't have to be pretty, it just has to work. For now.
- Run the tests again - they should all pass. If so, congratulations - you added a new feature and didn't break anything. Move to the next step. Otherwise, go fix your new code.
- Refactor your code - clean up your code; improve the readability, split methods to maintain simple, one-function methods, remove duplication, etc.
- Test again - make sure your refactoring didn't break anything.
- Do it again - write more tests, add more features, be more awesome.
Do you maybe have a fancy graphic to illustrate the process of test-driven design?
Of course I do. Well, Wikipedia else does, and I'm heartlessly swiping it:
"TDD Global Lifecycle" by Xarawn - Own work. Licensed under CC BY-SA 4.0 via Commons.
What concerns are there about the process?
Hey, look, another list!
- Some worry that test-driven design leads to code that passes the tests, but won't necessarily work under real world conditions
- Often doesn't perform sufficient testing in situations involving GUIs or database work
- Tests are usually created by the same person doing the coding, meaning that similar things will be overlooked in both testing and coding
- Tests create extra maintenance load on the project
- TDD provides a false sense of confidence, and may prevent sufficient testing at later stages, e.g. in integration testing


NEXT STOP WONDERLAND A movie review by Joe Barlow (c) Copyright 1998
STARRING: Hope Davis, Alan Gelfant DIRECTOR: Brad Anderson WRITERS: Brad Anderson and Lyn Vaus RATED/YEAR: Not Rated/1998
RATING: *** 1/2 (out of a possible *****)
One of the biggest delights of Brad Anderson's "Next Stop Wonderland" is the simple fact that our heroine, Erin Castleton (Hope Davis), understands the absurdity of what's happening to her. Beautiful, intelligent, yet sadly cynical, Erin refuses to participate in the standard romantic comedy cliches so prevalent in films of this type. It's something we discover early on, as three men attempt to play a cruel joke on her. Erin cheerfully goes along with them, pretending to be duped... then brilliantly turns the tables in one of the movie's funniest scenes. She's apparently seen "In the Company of Men."
Being smart isn't enough to ensure her happiness, however. Her problems begin in the film's opening scene, in which her boyfriend Sean (Philip Seymour Hoffman) uncerimoniously dumps her (via videotape, no less) to go participate in an activist campaign. Upon hearing the news, Erin's mother takes matters into her own hands by placing a highly misleading personal ad in the local paper, extolling her daughter's virtues. Erin, understandably furious by this invasion of her privacy, nonetheless gives into curiousity and listens to her messages... all 64 of them.
In another part of town, an aspiring marine-biologist named Alan Monteiro (Alan Gelfant) is also unlucky in love. He's the proverbial "nice guy," eschewing the sexual advances of his friend Julie (Caro Buono) because he'd rather wait for true romance. His friends don't understand his sensitive nature: when he complains that he can't find a woman he can talk to, they burst into giggles.  they taunt.
It's obvious that Alan and Erin are meant to be together, but there's a small problem: they don't know each other. Over the course of the movie, we watch them almost meet on several occasions, but something always happens to negate their encounter. In the interim, Erin goes out with many of the respondents to her personal ad (the "loser montage" is wonderful) while Alan deals with some unpleasant events in his life, including a gambling-addicted father and a career which isn't progressing quite the way he wants it to.
"Next Stop Wonderland" feels more "real" than the average romantic comedy because it knows the pursuit of love is not a full-time endeavor. In the real world, single people go to work, pay bills, and do things not related to the search for romance. For this reason, the film endeared itself to me: it doesn't seem like a fairy-tale, but instead depicts a couple of everyday people coming to terms with being alone, and not really minding it. If they find love, great. If they don't, they know they'll survive. It's definitely the right approach to take.
Another small touch I liked: Erin practices a bit of philosophy that I first encountered in Richard Bach's wonderful novel, "Illusions." The technique states that one should never close an open book without reading something from its pages, even if it's only a few words or sentences. Whatever you read will supposedly give you a clue to your future. The film uses this as a clever way to provide foreshadowing, even though Erin (and we) don't always understand the clues initially. ("Linoleum?")
"Next Stop Wonderland" has a lot to cover in its 110-minute running time. In order to fit everything in, writer/director Anderson chooses to focus more on the big picture than the little details; therefore, some subplots are not satisfactorially resolved. These include the sudden reappearance of Erin's ex-boyfriend, the fate of Alan's father, and the outcome of a special assignment Alan is given, pertaining to the aquarium he's employed at. The big question is, will Erin and Alan eventually meet and live happily ever after? C'mon, it's a romantic comedy. What do you think?
There's nothing really spectacular about "Next Stop Wonderland," but it tells its tale entertainingly and competently. The script is very funny, the characters are memorable, and the photography is highly original (I found it interesting that Puff the Blowfish, one of the aquarium's biggest attractions, is one of the film's most photogenic characters). I enjoyed the film a great deal. If you don't typically like romantic comedies, this one probably won't change your mind... but if you do, I recommend you make "Next Stop Wonderland" your next stop at the movies.
E-Mail<EMAIL_ADDRESS>Joe Barlow on Film: http://www.ipass.net/~jbarlow/film.htm
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This site provides a demo of how the Google Cloud Text-to-Speech Service can be used to deliver accessible EPG (Electronic Program Guides). Any text contained in the mock EPG below (bordered in red) can be clicked, and will be synthesized by the Google Cloud Text-to-Speech Service. Once synthesized, the audio will be cached for future reuse. For more information, see the README on GitHub.


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