Methods
Constructor: Single parameter allows setting of global encoding for use by
the current object.
__construct(string $encoding = null)
|
|
|
| Throws |
- \Zend\Escaper\Exception\InvalidArgumentException
|
Arguments
Encoding conversion helper which wraps iconv and mbstring where they exist or throws
and exception where neither is available.
convertEncoding(string $string, string $to, array|string $from) : string
| Throws |
- \Zend\Escaper\Exception\RuntimeException
|
Arguments
Response
string
Callback function for preg_replace_callback that applies CSS
escaping to all matches.
cssMatcher(array $matches) : string
Arguments
Response
string
Escape a string for the CSS context. CSS escaping can be applied to any string being
inserted into CSS and escapes everything except alphanumerics.
escapeCss(string $string) : string
Arguments
Response
string
Escape a string for the HTML Body context where there are very few characters
of special meaning. Internally this will use htmlspecialchars().
escapeHtml(string $string) : string
Arguments
Response
string
Escape a string for the HTML Attribute context. We use an extended set of characters
to escape that are not covered by htmlspecialchars() to cover cases where an attribute
might be unquoted or quoted illegally (e.g. backticks are valid quotes for IE).
escapeHtmlAttr(string $string) : string
Arguments
Response
string
Escape a string for the Javascript context. This does not use json_encode(). An extended
set of characters are escaped beyond ECMAScript's rules for Javascript literal string
escaping in order to prevent misinterpretation of Javascript as HTML leading to the
injection of special characters and entities. The escaping used should be tolerant
of cases where HTML escaping was not applied on top of Javascript escaping correctly.
escapeJs(string $string) : string
Backslash escaping is not used as it still leaves the escaped character as-is and so
is not useful in a HTML context.
Arguments
Response
string
Escape a string for the URI or Parameter contexts. This should not be used to escape
an entire URI - only a subcomponent being inserted. The function is a simple proxy
to rawurlencode() which now implements RFC 3986 since PHP 5.3 completely.
escapeUrl(string $string) : string
Arguments
Response
string
Converts a string from UTF-8 to the base encoding. The base encoding is set via this
class' constructor.
fromUtf8(string $string) : string
Arguments
Response
string
Return the encoding that all output/input is expected to be encoded in.
getEncoding() : string
Callback function for preg_replace_callback that applies HTML Attribute
escaping to all matches.
htmlAttrMatcher(array $matches) : string
Arguments
Response
string
Checks if a given string appears to be valid UTF-8 or not.
isUtf8(string $string) : boolean
Arguments
Response
boolean
Callback function for preg_replace_callback that applies Javascript
escaping to all matches.
jsMatcher(array $matches) : string
Arguments
Response
string
Converts a string to UTF-8 from the base encoding. The base encoding is set via this
class' constructor.
toUtf8(string $string) : string
| Throws |
- \Zend\Escaper\Exception\RuntimeException
|
Arguments
Response
string
Properties
Entity Map mapping Unicode codepoints to any available named HTML entities.
htmlNamedEntityMap : array
static
While HTML supports far more named entities, the lowest common denominator
has become HTML5's XML Serialisation which is restricted to the those named
entities that XML supports. Using HTML entities would result in this error:
XML Parsing Error: undefined entity
Type(s)
array
Current encoding for escaping. If not UTF-8, we convert strings from this encoding
pre-escaping and back to this encoding post-escaping.
encoding : string
Holds the value of the special flags passed as second parameter to
htmlspecialchars().
htmlSpecialCharsFlags : integer
Static Matcher which escapes characters for HTML Attribute contexts
htmlAttrMatcher : callable
Static Matcher which escapes characters for Javascript contexts
jsMatcher : callable
Static Matcher which escapes characters for CSS Attribute contexts
cssMatcher : callable
List of all encoding supported by this class
supportedEncodings : array


Hunt Details
Date:
Time of Day:
Location:
Hunters
Birds
Species
Gender
Banded
Lost
Mounted
False
True
False
True
False
True


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Overview
Employees Tracker (E.T.) is a Human Resource Manager application that helps managers to manage their subordinates. Its has 2 main functionalities: providing information about employees, as well as helping in tracking the tasks assigned to each employee.
Its User Interface (UI) is a hybrid of Command Line Interface (CLI) while still having the benefits of a Graphical User Interface (GUI). That said, ET will suit you better if you can type fast and are familiar with CLI.
Summary of contributions
Code contributed: [Functional code] [Test code] {links to collated code files}
Unlocking E.T. : unlock
Unlocks E.T.
Format: unlock
|
Examples:
-
unlock
A pop-up window will appear as shown in Figure 9.
Fill in the input box with matching password to unlock E.T.
Locking E.T.: lock
Locks E.T., so that the data is protected without the need of closing the program or shutting down your computer.
Format: lock
|
E.T. will not respond to any command other than |
Examples:
-
lock
Locks E.T.
All information in E.T. will be hidden when it is locked as shown in Figure 10 below.
End of Extract
Justification
Employees Tracker is a locked by default application in order to prevent the data from unauthorized access. With the lock-unlock system, only the application owner(typically, the manager) can access the application with a unlock password only known to him.
Lock and Unlock system
Current Implementation
The Lock and Unlock system is facilitated by maintaining a password inside LogicManager
at runtime, and also maintaining
the password in storage when application is closed. It allows to lock the application (hiding information) while keeping the application
open, and unlock it to resume at anytime.
The password is stored in storage as a field annotated as @XmlElement
in XmlSerializableAddressBook
, and is been read and converted to model type when the application
is launched and kept at LogicManager
in which the password can be handled at runtime.
Below is the overall design of Lock and Unlock system. Arrows are representing logic flow and lines in blue, red and green are for event posting and handling.
Implementation of lock
command
The logic flow of lock
command is:
-
AddressBookParser
is used to let the application acceptlock
command. -
LockCommandParser
is to make sure no other extra inputs are entered besides the command wordlock
. -
LockCommand
is used to set the state of the application to be locked, and post an event to indicate the application is locked such that no information should be shown now. Note theDetailPanel
is the handler of the event. There are mainly two parts that need to be hidden:PersonList
andDetailPanel
. Refer to the first code snippet below. -
LogicManager
is used to check the state and decide whether the application is locked or not, and decide the logic flow accordingly. Refer to the second code snippet below.
Below is the execution logic of LockCommand
:
public CommandResult execute() {
model.updateFilteredPersonList(predicate);
EventsCenter.getInstance().post(new HideDetailPanelEvent());
LogicManager.lock();
return new CommandResult(MESSAGE_SUCCESS);
}
Below is the logic flow in LogicManger
:
if (isLocked && !(command instanceof HelpCommand)) { //check if locked
command.setData(model, history, undoRedoStack);
if (command instanceof UnlockCommand) { //check unlock command
UnlockCommand unlockCommand = (UnlockCommand) command;
result = unlockCommand.execute();
} else {
result = new CommandResult("Addressbook has been locked, please unlock it first!");
}
} else { //unlocked case
command.setData(model, history, undoRedoStack);
result = command.execute();
undoRedoStack.push(command);
}
The following sequence diagram shows how lock
command works:
The event posted by LockCommand should firstly be reacted by EventsCenter and then handled by DetailPanel ,
this step is removed for clearer viewing and without messing up the diagram.
|
Implementation of unlock
command
The logic flow of unlock
command is:
-
AddressBookParser
is used to let the application acceptunlock
command. -
UnlockCommandParser
is to make sure no other extra inputs are entered besides the command wordunlock
. Similar toLockCommandParser
. -
UnlockCommand
is used to post an event requestingMainWindow
to pop up a password input dialog. -
MainWindow
will handle the event posted byUnlockCommand
and show the password input dialog. Then it will post an event containing user entered password. -
UnlockCommand
will then handle the event and get the password from the event, and compare it with the application’s unlock password to decide whether the unlock process is successful. Refer to the code snippet below. -
LogicManager
is used to decide whether the application is locked or not, and decide the logic flow accordingly.
Below is the execution logic of UnlockCommand
:
public CommandResult execute() {
if (!LogicManager.isLocked()) {
return new CommandResult("Employees Tracker is already unlocked!");
}
//post a event to show password input dialog.
EventsCenter.getInstance().post(new ShowPasswordFieldEvent());
// if the password is set to "nopassword", means no input got from user.
if (this.password.equals("nopassword")) {
return new CommandResult(MESSAGE_MISSING_PASSWORD);
}
//check if the entered password match the unlock password.
if (this.password.compareTo(LogicManager.getPassword()) == 0) {
LogicManager.unLock();
EventsCenter.getInstance().post(new AddressBookUnlockedEvent());
model.updateFilteredPersonList(PREDICATE_SHOW_ALL_PERSONS);
return new CommandResult(MESSAGE_SUCCESS);
} else {
return new CommandResult(MESSAGE_INCORRECT_PASSWORD);
}
}
/**
* handle the event to get the input password.
*/
@Subscribe
private void handlePasswordEnteredEvent(PasswordEnteredEvent event) {
this.password = event.getPassword();
}
The following sequence diagram shows how unlock
command works:
The detail of the instantiation of UnlockCommand is removed, because it is similar to that of
LockCommand . Note that both MainWindow and UnlockCommand are event handler, which is indicated by the two post method and the
blue activation bar in the diagram, and the interaction with EventsCenter is also omitted like before.
|
Implementation of setPassword
command
This command is used to set new unlock password of the application, which is also part of
the Lock and Unlock system. The implementation of setPassword
command is similar to that of unlock
command, but additionally,
setPassword
command requires to update the password in both model and storage.
The logic flow of setPassword
command is:
-
AddressBookParser
is used to let the application acceptsetPassword
command. -
SetPasswordCommandParser
is to make sure no other extra inputs are entered besides the command wordsetPassword
. Similar toLockCommandParser
. -
SetPasswordCommand
is used to post an event requestingMainWindow
to pop up a password input dialog, get the passwords (old password and new password) entered by user, and compare the old password with the application’s current unlock password to decide whether they match. If match, then update the password in bothLogicManager
and storage. Refer to the code snippet below. -
MainWindow
will handle the event and post another event containing user inputs, which is similar to that inUnlock
command.
public CommandResult execute() {
EventsCenter.getInstance().post(new ShowSetPasswordDialogEvent());
//check if all password input fields are inputed by user.
if (!isComplete) {
return new CommandResult(MESSAGE_INCOMPLETE_FIELD);
}
//check if the old password match the current one.
if (this.oldPassword.compareTo(LogicManager.getPassword()) == 0) {
LogicManager.setPassword(this.newPassword);
model.setPassword(this.newPassword);
return new CommandResult(MESSAGE_SUCCESS);
} else {
return new CommandResult(MESSAGE_INCORRECT_OLDPASSWORD);
}
}
Design Considerations
Aspect: How to input password values
-
Alternative 1 (current choice): Input all password in dialogs.
-
Pros: It is more secure as all password inputs in dialogs can be invisible.
-
Cons: Need the cooperation with UI to pop up the dialogs, which makes it harder to implement.
-
-
Alternative 2 (old version): Just let the passwords be the command parameters.
-
Pros: Easy to achieve as only need to parse the inputs in command parser to get the passwords.
-
Cons: Not so secure, because the password inputs are all visible like the command word, and someone else may accidentally see them.
-
Aspect: Way of showing the password input dialog
-
Alternative 1 (current choice): Post an event to request MainWindow to show the Dialog.
-
Pros: Good to comply with the Events-Driven nature of the application’s design, making the design more cohesive and less coupling.
-
Cons: Events-Driven design is routine-less. Need to put extra effort to control the events. As the application grows, there are more events posted and it is necessary to control these events well to prevent events messing up.
-
-
Alternative 2: Just add a static method in MainWindow that will show the Dialog.
-
Pros: Simpler implementation than current one, no need extra effort for event controlling.
-
Cons: The static method could not use the non-static attributes in MainWindow, as a result, need extra effort to deal with referencing non-static variables.
-
Aspect: How to store the password in storage
-
Alternative 1 (current choice): Password is a visible field in storage in plaintext.
-
Pros: Easy to retrieve and update the password in storage.
-
Cons: Not secure because password is visible in plaintext.
-
-
Alternative 2: Password is still visible but encrypted.
-
Pros: Though password is visible, it it encrypted and one can only get the correct password by getting the encryption key. It is more secure.
-
Cons: Every time load the password from data, need to decrypt it and every time update it in storage, need to encrypt it. Also need to keep the encryption key somewhere secret.
-
End of Extract
Adding an event to an employee’s calendar: addEvent
Adds an event to the employee identified by the index number used in the last employees listing.
Format: addEvent INDEX title/TITLE loca/LOCATION stime/STARTTIME etime/ENDTIME descrip/DESCRIPTION
Examples:
-
list
addEvent 2 title/Test Event loca/NUS, Singapore stime/2017-04-09T19:00:00 etime/2018-04-09T21:00:00 descrip/A Test Event
Adds the event to 2nd employee in the list calendar.
Deleting an event in an employee’s calendar: deleteEvent
Deletes an event with specified title which is the first occurrence in the calendar of employee identified by the index number used in the last employees listing.
Format: deleteEvent INDEX TITLE
Examples:
-
list
deleteEvent 2 Project Meeting
Deletes the event with title "Project Meeting" in 2nd employee in the list calendar. === Viewing my own calendar:myCalendar
Views my own calendar.
Format: myCalendar
Examples:
-
myCalendar
Your Google calendar will be displayed on a pop-up window.
Viewing my to-do-list: todoList
Views the upcoming events on my google account main calendar.
Format: todoList
Examples:
-
todoList
A pop-up window will appear as shown in Figure 16.
Authorizing E.T. : authenET
Gets the permission to allow E.T. to access your Google calendar.
Format: authenET
End of Extract
Justification
Each employee who exists in ET will have his or her owm calendar. Manager can manage all the calendars through some commands that will be covered next.
Calendars and operations on calendars
Current Implementation
To implement the calendars for employees, a third party source has been used which is Google Calendar API, it allows to manage google
calendars on desktop applications. The commands that relating to calendars are addEvent
, deleteEvent
, todoList
and authenET
.
Below is the overall design:
Command authenET should be executed before all other commands if it is the first time to use E.T., because only when E.T. is authorized
with one working google account, all other commands can be executed correctly.
|
Implementation of todoList
command
The logic flow of todoList
command is:
-
AddressBookParser
is used to let the application accepttodoList
command. -
TodoListCommand
will firstly get the google calendar service throughAuthentication
, then it will request google calendar service to retrieve all the events on the main calendar. After that, it will post an event to request to open a todo-list window. And post another event containing all the retrieved events that are to be displayed. -
UiManager
will handle the first event posted byTodoListCommand
and show theTodoListWindow
. -
TodoListWindow
will handle the second event posted byTodoListCommand
and display all the events.
Here is the code snippet of how todoList
command executes:
public CommandResult execute() {
// Build a new authorized API client service.
com.google.api.services.calendar.Calendar service =
null;
try {
service = Authentication.getCalendarService();
} catch (IOException e) {
e.printStackTrace();
}
//retrieve events from the main calendar
String calendarId = "primary";
String pageToken = null;
do {
Events events = null;
try {
events = service.events().list(calendarId).setPageToken(pageToken).execute();
} catch (IOException e) {
e.printStackTrace();
}
List<Event> items = events.getItems();
for (Event event : items) {
eventList.add(new ListEvent(event.getSummary(), event.getLocation(), event.getStart().getDateTime()));
}
pageToken = events.getNextPageToken();
} while (pageToken != null);
//post events
EventsCenter.getInstance().post(new ShowTodoListEvent());
EventsCenter.getInstance().post(new ShowTodoListDisplayContentEvent(eventList));
return new CommandResult(MESSAGE_SUCCESS);
}
Below is the sequence diagram for the execution of todoList
command.
todoList
.Implementation of addEvent
, deleteEvent
and authenET
commands
As stated, authenET
command is to be executed at the very beginning, and what it does is to sent a HTTP request through Authentication
in order
to authorize E.T.. It will then receive a status code and a content page which will be opened by the default browser to ask the permission of authorizing E.T..
The implementation of addEvent
and deleteEvent
commands are similar to todoList
command, both require to first build a new authorized API calendar service.
Then they will just sent request through the API service and all other things will be done at google service side. Finally, they will do updates according to the request results.
Design Considerations
Aspect: Where to place the todo-list window
-
Alternative 1 (current choice): Make it as a pop-up window.
-
Pros: Easy to manage, it is relatively independent to main window as it is created at a new javaFX stage.
-
Cons: Cannot update information in pop-up windows, that is, if leave the todo-list window open and execute another
todoList
command, another todo-list window will pop up which contains the most up-to-date information, then the two windows may cause confusion.
-
-
Alternative 2: create a field called todo-list panel in
MainWindow
.-
Pros: Every time execute
todoList
command, the information can be updated, without creating new windows. -
Cons: Need to re-structure the layout of MainWindow.
-
Aspect: When and how to authorize E.T.
-
Alternative 1 (current choice): A dedicated command
authenET
to authorize E.T..-
Pros: Make the logic more clear and systematic.
-
Cons: Single point of failure: if not execute
authenET
ahead, all other commands relating to calendars will not work.
-
-
Alternative 2 (old version): Every command goes through the authorization step to check if authorized.
-
Pros: No need extra command ahead, each command can execute independently.
-
Cons: A lot of unnecessary authorization processes, because this step is supposed to be run only once and all are set. The response time per command will be longer.
-
End of Extract
Adding a profile photo to an employee: addPhoto
Adds a profile photo to an existing employee in E.T.
Format: addPhoto INDEX
|
This command will automatically copy the file you chosed to the application’s data folder if it does not exist. Once the photo is copied, you should not delete it from that folder manually. |
Examples:
-
list
addPhoto 1
Adds a photo to the 1st employee in the last employees listing.
End of Extract
Justification
Employees have a photo field, and manager can update this field for every employee.
Add photo to employees
Current Implementation
Command addPhoto
mainly copy the local photo files chosen by users to the data folder of E.T., and employees will be assigned with these
photos which matches to their fields for photo.
The logic flow of addPhoto
command is:
-
AddressBookParser
is used to let the application acceptaddPhoto
command. -
AddPhotoCommandParser
is to make sure the user inputs are correct and extract the parameter. -
AddPhotoCommand
is will first post an event requestingMainWindow
to pop up a file chooser, get the photo file chose by user, and check its validation. It will then copy this photo to the data folder if this photo does not exist there. Finally, it will update person and pass toModelManager
. -
ModelManager
will update the person list and the photo list accordingly.
Here is the class diagram of addPhoto
command:
addPhoto
command.Design Considerations
Aspect: How to maintain the photos
-
Alternative 1 (current choice): Store them at application’s data folder which can be retrieved at runtime.
-
Pros: Easy to manage, as the photos are all in application’s data folder.
-
Cons: Need to maintain an extra list in runtime storage to manage the photos in data folder.
-
-
Alternative 2: No need to store photos at application’s data folder, load them directly from local disk.
-
Pros: No need to maintain the list of photos in application.
-
Cons: The change of photos' paths in local disk will cause loading error at runtime, need mechanisms to ensure person photo paths are dynamically referenced.
-
End of Extract
Exporting the employees : export
Exports current employees in E.T. to a .csv (Excel) file named "employees.csv" inside data folder.
Format: export
|
Make sure that the employees.csv is not open in your computer before executing |
Examples:
-
export
Current employees in E.T. will be exported.
End of Extract
Justification
Manager can export the information of employees to an excel file.
Export employees data
Command export
will export employees data as a .csv file into data folder.
The logic flow of addPhoto
command is:
-
AddressBookParser
is used to let the application acceptexport
command. -
ExportEmployeesCommand
is will first post an event to get the current employee list inModelManager
, and then create a .csv file at data folder. It will finally write the employees' information to that file.
Here is the code snippet of the execution of export
command:
public CommandResult execute() {
EventsCenter.getInstance().post(new GetEmployeesRequestEvent());
File csv = new File(EXPORT_FILE_PATH);
BufferedWriter bw = null;
try {
bw = new BufferedWriter(new FileWriter(csv));
bw.write("Name,Phone,Email,Address,Tags\n");
for (Person p : employees) {
String temp = p.getName().fullName + "," + p.getPhone().value + "," + p.getEmail().value + ","
+ p.getAddress().value.replaceAll(",", " ");
if (!p.getTags().isEmpty()) {
temp = temp + "," + p.getTags().toString()
.replaceAll(", ", " | ");
}
temp = temp + "\n";
bw.write(temp);
}
} catch (IOException e) {
e.printStackTrace();
return new CommandResult(MESSAGE_FAIL);
}
try {
bw.close();
} catch (IOException e) {
e.printStackTrace();
}
return new CommandResult(MESSAGE_SUCCESS);
}
End of Extract
Enhancement Proposed: Data Encryption
For now, the application’s password and employees' information are in plaintext and visible to others besides the user. It is crucial to
to do data encryption to secure the data from leaking. I am proposing to add a new class Crypto
which is used to encrypt and decrypt the
data. Refer to the diagram below:


---
layout: null
section-type: about
title: About
---
## About
I'm a iOS Developer beside a Graphics Engineer, I believe that developer needs to have a design sense to be able to develop, imagine and create a new creative applications ideas.
Why iOS specially ?
I believe that developing ( Native ) iOS Applications is more successful than using a ( Multiplatform ) Softwares, Besides being specialist is much more productive, professional, elegant and charming.
Support my repos by starring or forking it!


packages and web page editors now use Lorem Ipsum as their default model text, and a search for 'lorem ipsum' will uncover many web sites still in their infancy. Various versions have evolved over the years, sometimes by accident, sometimes on purpose (injected humour and the like).
packages and web page editors now use Lorem Ipsum as their default model text, and a search for 'lorem ipsum' will uncover many web sites still in their infancy. Various versions have evolved over the years, sometimes by accident, sometimes on purpose (injected humour and the like).
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ALASKA A film review by James Berardinelli Copyright 1996 James Berardinelli
RATING (0 TO 10): 5.5 Alternative Scale: ** out of ****
United States, 1996 U.S. Release Date: 8/14/96 (wide) Running Length: 1:48 MPAA Classification: PG (Dangerous situations, mild profanity) Theatrical Aspect Ratio: 2.35:1
Cast: Thora Birch, Vincent Kartheiser, Dirk Benedict, Charlton Heston, Duncan Fraser, Ben Cardinal Director: Fraser C. Heston Producers: Carol Fuchs and Andy Burg Screenplay: Andy Burg & Scott Myers Cinematography: Tony Westman Music: Reg Powell U.S. Distributor: Columbia Pictures
With a title that sounds like it belongs to a James Michner novel, ALASKA represents the latest children-and-a-cuddly-animal adventure. As such, it includes a raft of requisite stock elements: the kids are brighter and braver than the adults, there's a mammoth natural obstacle for them to overcome, and the wildlife they meet is inevitably helpful (no need to be afraid of a bear with Reg Powell's cheerful music playing). The problem with this sort of script-by-numbers method of screenwriting is that rarely are even the most prominent characters invested with any depth or individuality. ALASKA gives us cardboard people who struggle to engage our sympathies on even the most basic level.
Another characteristic of this sort of movie is great cinematography. Tony Westman, ALASKA's director of photography, offers up a portfolio of breathtaking, panoramic shots. Admittedly, it would be difficult to mess up the look of a film set in such a gorgeous locale, but Westman takes full advantage of his surroundings. In fact, this film is almost more successful as a travelogue than as an adventure -- too often, I was paying attention to the background while action was taking place in the foreground. Remove the badly-developed characters and silly plot contrivances and film this using the IMAX process, and you might have a winner.
The story, such as it is, hinges on formulaic situations and difficult-to-swallow implausibilities. Children under 10 might be impressed, but anyone who appreciates a degree of complexity in their motion picture entertainment will be galled by some of the film makers' choices. There are some involving action sequences that enable the viewer to forget, however momentarily, about what got the characters into this hard-to-swallow situation. Unfortunately, these scenes, which include riding rapids and climbing mountains, aren't involving enough to allow perceptive audience members to forgive the weakness of the linking material.
When ALASKA opens, airplane pilot Jake Barnes (Dirk Benedict) and his two children, Jessie (Thora Birch) and Sean (Vincent Kartheiser), have moved from Chicago to Alaska following the death of Jake's wife. In the "starting over" department, Jake and Jessie are doing okay, but Sean misses his old life, going so far as to wish his father had died instead of his mother. Then, one night, while Jake is winging his way home, he runs into a storm and crashes somewhere around a peak called Devil's Thumb. When the rescue effort fails to locate him, the two intrepid children, accompanied by a baby polar bear cub they save from a poacher (Charlton Heston), set out to find Jake.
One might wonder why an actor of Charlton Heston's status would be slumming in this sort of film, especially considering that the only other recognizable name is Dirk Benedict, a C-level personality best known for roles in TV's BATTLESTAR GALACTICA and THE A-TEAM. The mystery really doesn't run all that deep, however: the star of epics like BEN HUR and THE TEN COMMANDMENTS is director Fraser C. Heston's father.
The two children, Vincent Kartheiser (THE INDIAN IN THE CUPBOARD) and Thora Birch (NOW AND THEN), are reasonably fresh faces, although both can boast previous screen exposure. Neither is especially good or bad as a performer, although the script challenges their physicality more than their acting range. Unfortunately (or fortunately, depending on your point of view), they are constantly upstaged by their four legged companion.
ALASKA would have been marginally better without the heavy dose of Native American mysticism that has been injected into the screenplay. The poachers are also an unwanted distraction -- why add human villains when the terrain itself is enough of a hazard? Yet, even had the writers trimmed these elements, ALASKA still would have been trapped by the confines of a formula-driven genre. It would be a welcome pleasure to witness the results of someone taking a real chance with a movie like this. As such, ALASKA is a lost opportunity. This film plays it safe, and, as a result, will follow the similar-but-better THE AMAZING PANDA ADVENTURE on the fast track to the "family" section of the video store.
- James Berardinelli e-mail<EMAIL_ADDRESS>ReelViews web site: http://www.cybernex.net/~berardin
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
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THE WHOLE NINE YARDS (M). (Warner Bros/Village Roadshow) Director: Jonathan Lynn Stars: Bruce Willis, Matthew Perry, Natasha Henstridge, Rosanna Arquette, Amanda Peet, Kevin Pollak, Michael Clarke Duncan, Harland Williams Running time: 98 minutes.
Murder, marital discord, hit men and mercenary killers combine to produce some unexpected belly laughs in this curiously appealing black comedy, filmed largely in Montreal.
 The answer to their various dilemmas arrives in the form of Jimmy Tudeski (Bruce Willis), a former mob hitman turned informer, who moves in next door. Learning that Jimmy is wanted by Chicago gang boss Janni Gogolak (Kevin Pollak), Sophie persuades Oz to go to Chicago and collect the reward money for turning him in to the mob. Then she informs Jimmy of her husband's actions in the hope that he will kill him.
Events get wildly out of control when Oz meets Jimmy's estranged wife (Natasha Henstridge, from Species, etc), and quickly falls for her. Meanwhile, Oz's pretty young receptionist (Amanda Peet) turns out to be an aspiring assassin herself with a fan-like adoration for Jimmy's past work. With $10,000,000 at stake for the survivors of the final confrontation, loyalty amongst killers is thin on the ground. While audiences may occasionally become confused with the details of who is double crossing whom along the way, everything is resolved neatly by the end.
The cast seem to have had a good time while making this film, and their enjoyment is reflected in their enthusiastic performances. Perry seems more comfortable with his role here, and turns in his best screen performance to date. He seems to have an affinity for the slapstick nature of his role, and suffers the brunt of the movie's pratfalls, walking into doors and falling off chairs, whilst maintaining some dignity. Willis seems to enjoy sending up his taciturn, laconic tough screen image with this broadly comic turn as a sensitive hit man with a complex set of moral values. Pollak provides some fine humour as the crude gangster whose biggest crime is his relentless mangling of the English language. Michael Clarke Duncan (recently seen in the superb The Green Mile) lends his formidable presence to the role of Frankie Figs, the hitman whose loyalties are uncertain.
Written by first time screen writer Mitchell Kapner, The Whole Nine Yards is the latest screen outing for British director Jonathan Lynn (best known for his work on the classic tv sitcom Yes Minister, and films such as My Cousin Vinny, etc). Lynn has a good eye for clever visual gags and he maintains a reasonably cracking pace throughout the convoluted turns and twists. Unfortunately, Kapner's sense of invention does not quite last the distance, and he seems to run out of fresh ideas before the final showdown.
Nonetheless, The Whole Nine Yards is an entertaining mix of black comedy and broad slapstick humour that works a treat, and is one of the funniest films to hit our screens so far this year.
*** greg king http://www.netau.com.au/gregking
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Please input username and password, then click on Load Tables button. You can select or unselect tables that
you want to load into Tableau by using the checkbox in the table list. The Filters column accepts filter query
(fq) that you can apply to the table to filter the results. The Sample % column accepts a number from 1 to 100
where you can specify the maximum number of rows (in term of the percentage of the total rows) that you want
to load into Tableau.
NOTES: You need to select at least one table.


Display
Towns
Shops and services
Work
zoom
nothing
Not connected
Connect
⬤
X
42
Y
69
Height
420
Heading
30
Speed
60
Time
0


val listener: ManagedCameraStatus
Listener to observe notifications from camera state and FPS changeΩs


#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
from __future__ import absolute_import
from cproton import PN_ACCEPTED, PN_MODIFIED, PN_RECEIVED, PN_REJECTED, PN_RELEASED, pn_delivery_abort, \
pn_delivery_aborted, pn_delivery_attachments, pn_delivery_link, pn_delivery_local, pn_delivery_local_state, \
pn_delivery_partial, pn_delivery_pending, pn_delivery_readable, pn_delivery_remote, pn_delivery_remote_state, \
pn_delivery_settle, pn_delivery_settled, pn_delivery_tag, pn_delivery_update, pn_delivery_updated, \
pn_delivery_writable, pn_disposition_annotations, pn_disposition_condition, pn_disposition_data, \
pn_disposition_get_section_number, pn_disposition_get_section_offset, pn_disposition_is_failed, \
pn_disposition_is_undeliverable, pn_disposition_set_failed, pn_disposition_set_section_number, \
pn_disposition_set_section_offset, pn_disposition_set_undeliverable, pn_disposition_type, pn_work_next
from ._condition import cond2obj, obj2cond
from ._data import dat2obj, obj2dat
from ._wrapper import Wrapper
class NamedInt(int):
values = {} # type: Dict[int, str]
def __new__(cls, i, name):
ni = super(NamedInt, cls).__new__(cls, i)
cls.values[i] = ni
return ni
def __init__(self, i, name):
self.name = name
def __repr__(self):
return self.name
def __str__(self):
return self.name
@classmethod
def get(cls, i):
return cls.values.get(i, i)
class DispositionType(NamedInt):
values = {}
[docs]class Disposition(object):
"""
A delivery state.
Dispositions record the current state or final outcome of a
transfer. Every delivery contains both a local and remote
disposition. The local disposition holds the local state of the
delivery, and the remote disposition holds the last known remote
state of the delivery.
"""
RECEIVED = DispositionType(PN_RECEIVED, "RECEIVED")
"""
A non terminal state indicating how much (if any) message data
has been received for a delivery.
"""
ACCEPTED = DispositionType(PN_ACCEPTED, "ACCEPTED")
"""
A terminal state indicating that the delivery was successfully
processed. Once in this state there will be no further state
changes prior to the delivery being settled.
"""
REJECTED = DispositionType(PN_REJECTED, "REJECTED")
"""
A terminal state indicating that the delivery could not be
processed due to some error condition. Once in this state
there will be no further state changes prior to the delivery
being settled.
"""
RELEASED = DispositionType(PN_RELEASED, "RELEASED")
"""
A terminal state indicating that the delivery is being
returned to the sender. Once in this state there will be no
further state changes prior to the delivery being settled.
"""
MODIFIED = DispositionType(PN_MODIFIED, "MODIFIED")
"""
A terminal state indicating that the delivery is being
returned to the sender and should be annotated by the
sender prior to further delivery attempts. Once in this
state there will be no further state changes prior to the
delivery being settled.
"""
def __init__(self, impl, local):
self._impl = impl
self.local = local
self._data = None
self._condition = None
self._annotations = None
@property
def type(self):
"""
Get the type of this disposition object.
Defined values are:
* :const:`RECEIVED`
* :const:`ACCEPTED`
* :const:`REJECTED`
* :const:`RELEASED`
* :const:`MODIFIED`
:type: ``str``
"""
return DispositionType.get(pn_disposition_type(self._impl))
def _get_section_number(self):
return pn_disposition_get_section_number(self._impl)
def _set_section_number(self, n):
pn_disposition_set_section_number(self._impl, n)
section_number = property(_get_section_number, _set_section_number, doc="""
The section number associated with a disposition.
:type: ``int``
""")
def _get_section_offset(self):
return pn_disposition_get_section_offset(self._impl)
def _set_section_offset(self, n):
pn_disposition_set_section_offset(self._impl, n)
section_offset = property(_get_section_offset, _set_section_offset, doc="""
The section offset associated with a disposition.
:type: ``int``
""")
def _get_failed(self):
return pn_disposition_is_failed(self._impl)
def _set_failed(self, b):
pn_disposition_set_failed(self._impl, b)
failed = property(_get_failed, _set_failed, doc="""
The failed flag for this disposition.
:type: ``bool``
""")
def _get_undeliverable(self):
return pn_disposition_is_undeliverable(self._impl)
def _set_undeliverable(self, b):
pn_disposition_set_undeliverable(self._impl, b)
undeliverable = property(_get_undeliverable, _set_undeliverable, doc="""
The undeliverable flag for this disposition.
:type: ``bool``
""")
def _get_data(self):
if self.local:
return self._data
else:
return dat2obj(pn_disposition_data(self._impl))
def _set_data(self, obj):
if self.local:
self._data = obj
else:
raise AttributeError("data attribute is read-only")
data = property(_get_data, _set_data, doc="""
Access the disposition as a :class:`Data` object.
Dispositions are an extension point in the AMQP protocol. The
disposition interface provides setters/getters for those
dispositions that are predefined by the specification, however
access to the raw disposition data is provided so that other
dispositions can be used.
The :class:`Data` object returned by this operation is valid until
the parent delivery is settled.
:type: :class:`Data`
""")
def _get_annotations(self):
if self.local:
return self._annotations
else:
return dat2obj(pn_disposition_annotations(self._impl))
def _set_annotations(self, obj):
if self.local:
self._annotations = obj
else:
raise AttributeError("annotations attribute is read-only")
annotations = property(_get_annotations, _set_annotations, doc="""
The annotations associated with a disposition.
The :class:`Data` object retrieved by this operation may be modified
prior to updating a delivery. When a delivery is updated, the
annotations described by the :class:`Data` are reported to the peer
if applicable to the current delivery state, e.g. states such as
:const:`MODIFIED`. The :class:`Data` must be empty or contain a symbol
keyed map.
The :class:`Data` object returned by this operation is valid until
the parent delivery is settled.
:type: :class:`Data`
""")
def _get_condition(self):
if self.local:
return self._condition
else:
return cond2obj(pn_disposition_condition(self._impl))
def _set_condition(self, obj):
if self.local:
self._condition = obj
else:
raise AttributeError("condition attribute is read-only")
condition = property(_get_condition, _set_condition, doc="""
The condition object associated with a disposition.
The :class:`Condition` object retrieved by this operation may be
modified prior to updating a delivery. When a delivery is updated,
the condition described by the disposition is reported to the peer
if applicable to the current delivery state, e.g. states such as
:const:`REJECTED`.
:type: :class:`Condition`
""")
[docs]class Delivery(Wrapper):
"""
Tracks and/or records the delivery of a message over a link.
"""
RECEIVED = Disposition.RECEIVED
"""
A non terminal state indicating how much (if any) message data
has been received for a delivery.
"""
ACCEPTED = Disposition.ACCEPTED
"""
A terminal state indicating that the delivery was successfully
processed. Once in this state there will be no further state
changes prior to the delivery being settled.
"""
REJECTED = Disposition.REJECTED
"""
A terminal state indicating that the delivery could not be
processed due to some error condition. Once in this state
there will be no further state changes prior to the delivery
being settled.
"""
RELEASED = Disposition.RELEASED
"""
A terminal state indicating that the delivery is being
returned to the sender. Once in this state there will be no
further state changes prior to the delivery being settled.
"""
MODIFIED = Disposition.MODIFIED
"""
A terminal state indicating that the delivery is being
returned to the sender and should be annotated by the
sender prior to further delivery attempts. Once in this
state there will be no further state changes prior to the
delivery being settled.
"""
@staticmethod
def wrap(impl):
if impl is None:
return None
else:
return Delivery(impl)
def __init__(self, impl):
Wrapper.__init__(self, impl, pn_delivery_attachments)
def _init(self):
self.local = Disposition(pn_delivery_local(self._impl), True)
self.remote = Disposition(pn_delivery_remote(self._impl), False)
@property
def tag(self):
"""
The identifier for the delivery.
:type: ``bytes``
"""
return pn_delivery_tag(self._impl)
@property
def writable(self):
"""
``True`` for an outgoing delivery to which data can now be written,
``False`` otherwise..
:type: ``bool``
"""
return pn_delivery_writable(self._impl)
@property
def readable(self):
"""
``True`` for an incoming delivery that has data to read,
``False`` otherwise..
:type: ``bool``
"""
return pn_delivery_readable(self._impl)
@property
def updated(self):
"""
``True`` if the state of the delivery has been updated
(e.g. it has been settled and/or accepted, rejected etc),
``False`` otherwise.
:type: ``bool``
"""
return pn_delivery_updated(self._impl)
[docs] def update(self, state):
"""
Set the local state of the delivery e.g. :const:`ACCEPTED`,
:const:`REJECTED`, :const:`RELEASED`.
:param state: State of delivery
:type state: ``int``
"""
obj2dat(self.local._data, pn_disposition_data(self.local._impl))
obj2dat(self.local._annotations, pn_disposition_annotations(self.local._impl))
obj2cond(self.local._condition, pn_disposition_condition(self.local._impl))
pn_delivery_update(self._impl, state)
@property
def pending(self):
"""
The amount of pending message data for a delivery.
:type: ``int``
"""
return pn_delivery_pending(self._impl)
@property
def partial(self):
"""
``True`` for an incoming delivery if not all the data is
yet available, ``False`` otherwise.
:type: ``bool``
"""
return pn_delivery_partial(self._impl)
@property
def local_state(self):
"""
A string representation of the local state of the delivery.
:type: ``str``
"""
return DispositionType.get(pn_delivery_local_state(self._impl))
@property
def remote_state(self):
"""
A string representation of the state of the delivery as
indicated by the remote peer.
:type: ``str``
"""
return DispositionType.get(pn_delivery_remote_state(self._impl))
@property
def settled(self):
"""
``True`` if the delivery has been settled by the remote peer,
``False`` otherwise.
:type: ``bool``
"""
return pn_delivery_settled(self._impl)
[docs] def settle(self):
"""
Settles the delivery locally. This indicates the application
considers the delivery complete and does not wish to receive any
further events about it. Every delivery should be settled locally.
"""
pn_delivery_settle(self._impl)
@property
def aborted(self):
"""
``True`` if the delivery has been aborted, ``False`` otherwise.
:type: ``bool``
"""
return pn_delivery_aborted(self._impl)
[docs] def abort(self):
"""
Aborts the delivery. This indicates the application wishes to
invalidate any data that may have already been sent on this delivery.
The delivery cannot be aborted after it has been completely delivered.
"""
pn_delivery_abort(self._impl)
@property
def work_next(self):
"""Deprecated: use on_message(), on_accepted(), on_rejected(),
on_released(), and on_settled() instead.
The next :class:`Delivery` on the connection that has pending
operations.
:type: :class:`Delivery`
"""
return Delivery.wrap(pn_work_next(self._impl))
@property
def link(self):
"""
The :class:`Link` on which the delivery was sent or received.
:type: :class:`Link`
"""
from . import _endpoints
return _endpoints.Link.wrap(pn_delivery_link(self._impl))
@property
def session(self):
"""
The :class:`Session` over which the delivery was sent or received.
:type: :class:`Session`
"""
return self.link.session
@property
def connection(self):
"""
The :class:`Connection` over which the delivery was sent or received.
:type: :class:`Connection`
"""
return self.session.connection
@property
def transport(self):
"""
The :class:`Transport` bound to the :class:`Connection` over which
the delivery was sent or received.
:type: :class:`Transport`
"""
return self.connection.transport


The responsibilities of Services, Managers, and Drivers, can be a bit confusing to people that are new to nova. This document attempts to outline the division of responsibilities to make understanding the system a little bit easier.
Currently, Managers and Drivers are specified by flags and loaded using utils.load_object(). This method allows for them to be implemented as singletons, classes, modules or objects. As long as the path specified by the flag leads to an object (or a callable that returns an object) that responds to getattr, it should work as a manager or driver.
Generic Node base class for all workers that run on hosts.
Bases: object
Launch one or more services and wait for them to complete.
Load and start the given server.
| Parameters: | server – The server you would like to start. |
|---|---|
| Returns: | None |
Start and wait for a server to finish.
| Parameters: | service – Server to run and wait for. |
|---|---|
| Returns: | None |
Stop all services which are currently running.
| Returns: | None |
|---|
Waits until all services have been stopped, and then returns.
| Returns: | None |
|---|
Bases: object
Loop waiting on children to die and respawning as necessary
Bases: object
Bases: object
Service object for binaries running on hosts.
A service takes a manager and enables rpc by listening to queues based on topic. It also periodically runs tasks on the manager and reports it state to the database services table.
Instantiates class and passes back application object.
| Parameters: |
|
|---|
Destroy the service object in the datastore.
Tasks to be run at a periodic interval.
Update the state of this service in the datastore.
Bases: nova.service.Launcher
Bases: exceptions.SystemExit
Bases: object
Provides ability to launch API from a ‘paste’ configuration.
Start serving this service using loaded configuration.
Also, retrieve updated port number in case ‘0’ was passed in, which indicates a random port should be used.
| Returns: | None |
|---|
Stop serving this API.
| Returns: | None |
|---|
Wait for the service to stop serving this API.
| Returns: | None |
|---|
Base Manager class.
Managers are responsible for a certain aspect of the system. It is a logical grouping of code relating to a portion of the system. In general other components should be using the manager to make changes to the components that it is responsible for.
For example, other components that need to deal with volumes in some way, should do so by calling methods on the VolumeManager instead of directly changing fields in the database. This allows us to keep all of the code relating to volumes in the same place.
We have adopted a basic strategy of Smart managers and dumb data, which means rather than attaching methods to data objects, components should call manager methods that act on the data.
Methods on managers that can be executed locally should be called directly. If a particular method must execute on a remote host, this should be done via rpc to the service that wraps the manager
Managers should be responsible for most of the db access, and non-implementation specific data. Anything implementation specific that can’t be generalized should be done by the Driver.
In general, we prefer to have one manager with multiple drivers for different implementations, but sometimes it makes sense to have multiple managers. You can think of it this way: Abstract different overall strategies at the manager level(FlatNetwork vs VlanNetwork), and different implementations at the driver level(LinuxNetDriver vs CiscoNetDriver).
Managers will often provide methods for initial setup of a host or periodic tasks to a wrapping service.
This module provides Manager, a base class for managers.
Bases: nova.db.base.Base
Get the rpc dispatcher for this manager.
If a manager would like to set an rpc API version, or support more than one class as the target of rpc messages, override this method.
Handle initialization if this is a standalone service.
Child classes should override this method.
Tasks to be run at a periodic interval.
Bases: type
Bases: nova.manager.Manager
Periodically send capability updates to the Scheduler services.
Services that need to update the Scheduler of their capabilities should derive from this class. Otherwise they can derive from manager.Manager directly. Updates are only sent after update_service_capabilities is called with non-None values.
Remember these capabilities to send on next periodic update.
Decorator to indicate that a method is a periodic task.
This decorator can be used in two ways:
- Without arguments '@periodic_task‘, this will be run on every tick of the periodic scheduler.
- With arguments, @periodic_task(ticks_between_runs=N), this will be run on every N ticks of the periodic scheduler.
A manager will generally load a driver for some of its tasks. The driver is responsible for specific implementation details. Anything running shell commands on a host, or dealing with other non-python code should probably be happening in a driver.
Drivers should minimize touching the database, although it is currently acceptable for implementation specific data. This may be reconsidered at some point.
It usually makes sense to define an Abstract Base Class for the specific driver (i.e. VolumeDriver), to define the methods that a different driver would need to implement.


Guide to Service Security
This documentation describes the objectives, mechanisms, assets and threats that were considered when designing the GEOPM Service security architecture. This information may be useful for system administrators, developers, and users who would like to better understand how the GEOPM Service provides security guarantees.
High Level Security Objectives
The GEOPM Service provides a secure gateway to privileged hardware features. This section describes the security expectations of the system administrator who deploys and configures the GEOPM Service as described in the GEOPM documentation.
Fine-grained access management for hardware features
The GEOPM Service provides a user gateway to privileged system software interfaces. In general, these system software interfaces have other Linux mechanisms for system administrators to grant or deny user access. The GEOPM Service improves upon other available Linux security mechanisms by combining fine-grained access management, ease of extension, and an optional high performance interface. Alternative options available tend to be more course-grained, less performant, or more difficult to extend.
Some features of existing device drivers may be enabled for end users by changing file permissions, however this does not allow for filtering of which driver features will be available, and is often insufficient due to Linux capabilities(7) requirements.
Granting Linux capabilities to a helper command line tool or adding a command line tool to the sudoers(5) configuration is a common way to filter which secure features are enabled. These command line tools may also require independent security review and typically do not provide a high performance programmatic solution.
High performance security solutions tend to require modifications to Linux kernel code through either a specialized driver, or through the insertion of eBPF programs. These solutions require installation of custom tools into the Linux kernel that may require independent security review by administrators. The developers and security experts must have specialized knowledge of the kernel or eBPF development environment. Errors and security vulnerabilities in these filtering and device driver implementations may be more difficult to identify.
The GEOPM Service provides the system administrator with fine-grained
access management for individual hardware features for a variety of
hardware interfaces. Access to each individual feature provided by a
system software interface may be granted to individual users, or to
Unix user groups, or to all users of the system. The hardware
interfaces may be expanded through the IOGroup
C++ plugin
interface.
Each hardware feature that may be read is referred to as a “signal” and mapped to a specific string name. Each hardware feature that may be written is referred to as a “control” and is mapped to a specific string name. These signals and controls are represented as double precision floating point numbers in SI units. Requests to GEOPM interfaces to read a signal or write a control are combined with a hardware domain and a domain index. The hardware domain specifies the type of hardware component and the domain index identifies the specific component where the request will be applied.
The GEOPM Service does not provide user access to any signals or
controls until a system administrator grants this access; this follows
the “Secure by Default” design. All available signals and controls are
documented, and the description includes the security implications of
granting access. The geopmaccess
command line tool is used by a
system administrator to query descriptions of signals and controls
available on a system as well as managing user access to each feature
by name.
Restore control configuration after a writing session ends
Users are not allowed to make persistent changes to hardware settings using the GEOPM Service. The lifetime of configuration changes made through the GEOPM Service is limited to the lifetime of the writing PID’s process session. To learn more about the Linux process session interface see the setsid(2) man page. Typically the process session is coupled to a controlling terminal.
The GEOPM Service implements this feature by saving all control
configuration settings to disk prior to enabling a user session to
write. When the user’s write session terminates, all configuration
settings are restored to their previous value. The storage location
for the saved state is in the directory
/run/geopm-service/SAVE_FILES
.
Note that all configuration settings are restored regardless of whether or not they were adjusted during the session through the service.
One writing GEOPM session allowed at any time
The GEOPM Service enforces that at most one writing user session is supported at any time. This restriction enables the save/restore methodology outlined in the previous section to be effective. The write lock that enables this mutual exclusion is associated with the Unix “process session leader” PID of the requesting process. If this session leader PID does not refer to an active process, then the lock is associated with the requesting process PID. Otherwise, any PID within the requesting Unix process session is enabled to write through the GEOPM Service for the duration of the process session leader PID lifetime.
Provide a low latency interface
The GEOPM Service provides a batch interface that allows users to
configure a server process. The batch server process is forked by
geopmd
which is the primary GEOPM Service daemon process started
by
systemd(1).
The user configures the batch server with an array of requests through
DBus. The access permissions are checked when the call to start the
server is made, and the server is only forked if the client has
permission for all requests in the array. The batch server creates one
or two inter-process shared memory regions to interact with the
client: one region provides a user interface to read signals, and the
other if requested provides a user interface to write
controls. Requests to read, write, or quit are made through a FIFO
channel connecting the client to the batch server, and a second FIFO
is used to communicate to the client when requests have been
completed. These FIFOs are opened in /tmp
which by default systemd
creates as a tmpfs(5).
Secure restart of the geopmd
daemon process
All state that is required to maintain the security guarantees of the
GEOPM Service are stored to disk in a secure way (see
File usage/configuration
for more details). This information is read from disk when the
geopmd
daemon process begins. This enables the service to cleanly
recover from any premature ending of the daemon process. The restart
of the daemon process is enabled by the systemd Linux service though a
configuration option that the GEOPM Service provides. These options
enable the GEOPM Service to be restarted immediately, and to attempt
to restart twice in rapid succession if necessary. The first attempt
may be used to provide a clean environment for the second restart.
Secure Interfaces
The interfaces that enable a user to access privileged system
resources through the GEOPM Service are limited to the GEOPM DBus
interface published on the system bus at io.github.geopm
. Using
this interface may enable the creation of a batch server. The access
rights of this batch server are verified prior to its creation, and
the user may then interact with this batch server through faster
mechanisms than DBus provides. In particular, the user interfaces with
the batch server over inter-process shared memory and FIFO special files,
both of which are created in /run/geopm-service
.
The DBus interface provides a layer of security that is leveraged throughout Linux services to verify the user identity of requests made to daemon processes. The GEOPM Service relies on the systemd DBus interface to provide the PID, UID, and GID of the requesting client. These identifiers are then used with standard system calls to enforce access permissions defined by a system administrator.
Secure Software Dependencies
The GEOPM Service relies on external software packages to support security objectives. These external packages enable secure use of the DBus interface to systemd and provide standard methods for verifying JSON data.
GEOPM Service DBus Interface
dasbus >= 1.6
libsystemd.so / systemd service > 234
PyGObject >= 3.34.0
GEOPM Service Input/Output Validation
jsonschema >= 2.6.0
json11 >= 1.0.0
Protected Assets
The GEOPM Service provides a security gateway to privileged hardware interfaces. These interfaces expose power and energy management features as well as hardware monitoring features such as reading performance counters. The secure system software interfaces that are available through the GEOPM Service are described in this section. These interfaces may also be expanded by using the GEOPM IOGroup plugin interface.
The GEOPM Service provides the geopmaccess
command line interface
for system administrators to manage access to hardware features. This
interface is expected to be a reliable and secure mechanism for
managing access rights of users to the assets described in this
section. Maintaining user privacy such that client interactions with
the GEOPM service are not observable to other users is also a security
priority.
Model Specific Register device driver
The GEOPM Service may be used as a gateway to the x86 Model Specific
Register device driver
msr(4)
which is loaded as the /dev/cpu/*/msr
devices. There are many
features available through the MSR device driver, and the GEOPM
Service provides access to a subset of these features. The features
supported by the GEOPM Service are focused on power and energy
management as well as performance monitoring. Some examples are
reading instruction counters or setting limits on CPU core operating
frequency.
Direct access to the MSR driver is restricted as this may enable users to obtain information about processes they do not own or impact system performance for other users. For these reasons using the MSR driver requires the CAP_SYS_RAWIO Linux capability.
The GEOPM Service access management system allows a system administrator to control precisely which subset of features available through the MSR driver may be accessed. Additionally, the GEOPM Service does not allow persistent changes to the MSR driver. For these reasons a system administrator may wish to provide MSR access through the GEOPM Service to processes that do not have the CAP_SYS_RAWIO Linux capability.
Intel Speed Select device driver
The GEOPM Service may be used as a gateway to the Intel Speed Select
device driver which is loaded as the /dev/isst_interface
device. This device driver enables a wide range of capabilities
introduced with the 3rd generation Xeon Scalable server processor.
https://www.kernel.org/doc/html/latest/admin-guide/pm/intel-speed-select.html
The specific features enabled through the GEOPM Service are the
SST-CP
and
SST-TF
features. Using the isst_interface
device driver requires the
Linux
capability
of CAP_SYS_ADMIN because changes may impact system performance for
other users of the system. The ISST interface may also be used to
change the hardware characteristics reported by the Linux kernel, such
as number of cores, base frequency, and which turbo frequencies are
achievable.
LevelZero sysman library interface
The LevelZero sysman library interface enables users to monitor and control Intel GPU devices. These signals and controls include setting bounds on GPU operating frequency and reading performance counters from GPU devices. Access to the LevelZero sysman interface is restricted because it provides ability to modify the performance of the system and direct access to hardware metrics that reflect user activity.
Nvidia NVML device management library interface
The NVML library interface enables users to monitor and control Nvidia GPU devices. These controls and monitors include setting bounds on GPU operating frequency and reading performance counters from GPU devices. Access to some of the interfaces of the NVML library are restricted and some of those restrictions may be relaxed based on settings enabled by a system administrator.
Service user data
Interactions with the GEOPM Service by each client are private information and an asset that the GEOPM Service is designed to protect. Unprivileged users of the system should not be able to observe the calls, inputs, or outputs to the GEOPM Service by other users of the system.
Attack Surface
This section describes the interfaces that must be protected to ensure the security requirements of the GEOPM Service.
System files
The state used to manage access permissions, track open sessions, and
store control settings for reset is stored in system files. The files
controlling access permissions are located in the
/etc/geopm-service
directory. The state required to support active
user sessions is stored in /run/geopm-service
. Protecting
these files is paramount to the integrity of the GEOPM Service
security model. In general these files have root access permissions
only, and are modified by calling into GEOPM Service interfaces, or by
running GEOPM Service command line tools like geopmaccess
.
FIFO special files
In conjunction with the inter-process shared memory, there are FIFO
special files created in /tmp
, the temporary file system, to
support the batch server features of the GEOPM Service. Notifications
sent between the client and server about updates to data in
inter-process shared memory go across the FIFOs which serve as a
synchronization mechanism. Adversarial access to these files could
cause deadlocks in the batch server or client process or enable
information about the client session requests to be observed.
Systemd DBus interface
The systemd DBus implementation is a standard Linux interface for secure communication with Linux system services. The sd-bus(3) DBus interface of the Linux systemd service provides the mechanism for users to securely exchange requests and results with the GEOPM Service. The DBus interface also enables the GEOPM Service to securely identify the source of client requests. The GEOPM implementation uses the dasbus and PyGObject Python modules to implement the server side of the GEOPM DBus interface in Python, while it uses the libsystemd.so to implement a C interface to the client side of the GEOPM DBus interface directly with the sd-bus(3) interface. The GEOPM Service relies on these standard Linux tools to provide a trusted interface and a secured attack surface.
Logging
GEOPM’s implementation ensures that GEOPM has sufficient logging to provide traceability to system administrators about user interactions. This includes logging of security critical events (e.g. user interactions that result in changing the system configuration), avoiding excessive logging, avoiding public logging of private information and ensuring logs are reliable.
The GEOPM Service has the capability of writing to the logging service
provided by dasbus
. Most commonly this is the logging capabilities
provided by systemd, and are accessible via the journalctl command
(e.g. journalctl -u geopm) or through inspection of
/var/log/messages
or similar ways of viewing the syslog
which
may depend on how the system is configured.
The GEOPM Service will log any error conditions that arise from attempting to set up or use configuration files stored in a secure location. See System files for more information about these secure files.
Security Threats
This section enumerates the mechanisms that an adversary may use in an attempt to breach the attack surface to subvert the security guarantees of the GEOPM Service. Each threat is split out into its own subsection. The threat is described in the context of how the mechanism might be used against the GEOPM Service attack surface, and how the surface is secured against this threat.
Malicious input or private output
Each GEOPM Service interface that may be accessed by an unprivileged user is a threat vector. All input received from the user is validated to ensure no malicious or malformed data is used in any way that may result in a compromised or misconfigured system. All output from these interfaces is vetted to ensure that the service does not emit private, malicious, or malformed data.
The GEOPM Service provides two interfaces for end users. One is the
io.github.geopm
DBus interface published through systemd. The
other is the batch server interface which may be created with a
request to the GEOPM DBus interface. The batch server is accessed by
the end user through inter-process shared memory, and FIFO special
files in the temporary file system.
File usage/configuration
As GEOPM reads and writes configuration files to disk, it is important to validate that the file usage is done as securely as possible. This includes verifying an input file is not a symbolic link to an unintended resource, verifying that all temporary files are cleaned up properly, and that the temporary files and directories that are used do not have excessive permissions.
The GEOPM Service utilizes files on disk to support several behaviors including facilitating user/group access to privileged signals/controls, storing state information about in-progress client sessions, and saving the initial state of hardware controls so that any control changes may be reverted. GEOPM utilizes temporary files and move semantics to ensure that files written to the secure locations previously described are complete and have valid data.
GEOPM mitigates threats in this space by performing several checks on any files/directories used for input. Note that there are no user facing APIs provided by the GEOPM Service that take paths as input. All directory paths used in the GEOPM Service are statically defined in the source code.
A secure API for dealing with files and directories resides in
system_files.py.
The functions that match the pattern system_files.secure_*() are the
only interfaces called by the GEOPM Service to access files located in
/etc
and /run
. These secure functions are used to make
directories and any input or output to these system files.
When making directories, if the path already exists checks are performed to ensure: the path is a regular directory, the path is not a link, the path is accessible by the caller, the path is owned by the calling process UID/GID, and the permissions on the directory are set to the right permissions (chosen to be as restrictive as possible). If the path is determined to be insecure, the existing path is renamed to indicate it is invalid and preserved for later auditing. In this case a new directory will be created at the specified path. If the path did not already exist, a new directory is created with the proper permissions.
By default, directories are created with 0o700 permissions (i.e. rwx
only for the owner). Some directories, for example
/run/geopm-service
, also require execution permissions (i.e.
0o711). For more details on how directories are created and default
permissions, please see the system_files.py
documentation
When making files, a temporary file is first created with 0o600 or owner rw only permissions. The desired contents are then written to this temporary file. Once writing is complete, the temporary file is renamed to the desired path while preserving the 0o600 permissions. This rename is atomic, so it is not possible for files to exist with partial/corrupt data. Any existing file at the desired location will be overwritten.
When reading files, first the path’s security is verified. The implementation asserts that the path describes an existing regular file which is not a link nor a directory. After the path is verified, a file descriptor is opened referencing the path and this file descriptor’s security is verified. The implementation asserts that the descriptor refers to a regular file owned by the calling process UID/GID and that the file descriptor has minimal permissions (i.e. 0o600 or rw for the owner only). After these assertions have been made, the implementation reads the entire file contents into a string buffer and the file descriptor is closed.
External dependencies
The GEOPM Service utilizes shared libraries to facilitate user plugins
of the IOGroups and Agents. The service expects the plugins to reside
in a particular path on disk that can only be set by the system
administrator. If valid shared objects reside in the prescribed
location, they will be loaded at service startup and utilized if
requested by the user. The expectation is that a system administrator
would set the plugin path and only place vetted plugins there if
needed. The GEOPM Service is a systemd service unit which is
configured through the
systemd.service(5)
file. The configuration file provided with the GEOPM source code,
geopm.service,
does not export the GEOPM_PLUGIN_PATH
environment variable before
launching geopmd
, so this feature is disabled by default.
GEOPM makes use of third-party JSON libraries in the C/C++ runtime, and several Python modules in the case of the GEOPM Service. Through the course of the nightly integration testing of GEOPM, the latest released versions of all external Python modules are installed via pip. If any issues arise, reports are automatically generated to detail the failure and are sent to the developers. For the C/C++ JSON usage, the upstream repository is periodically checked to ensure the code that resides in GEOPM is up-to-date.


I am a motivated web developer who is a hard worker, a team player and a person who is never afraid of accepting challenges. Besides, I posses strong creative and analytical skills.
The best part of programming for me is that you always have to evolve and be up to date with all the latest releases that occur within the technologies. And, I'm quite passionate to learn something new every day.
View Resume
Productivity Full Stack Application using Firebase, ReactJS, Framer Motion and Bootstrap. Realtime database using Firestore.
Track your time and manage tasks.
Data Visualisation of spend time coming soon...
My first Front-End Application from scratch using Vanilla Javascript, Bootstrap and HTML5. The main idea is to create an array of object and add it to cart. The application support 3 currencies and dark mode. Also calculates total and subtotal.
this.Classic and basic app class-Components ReactJS front-end application. Also used React-Bootstrap library.
This is an application using NASA APoD API, Vanilla JavaScript, Bootstrap and HTML5 to show a different astronomy and space science related image is featured each day, along with a brief explanation.
Looking forward to collab!
Email Me


Located on the western extremity of Sicily, this is an attractive town, known for its Marsala wine. Although Mazara del Vallo or Trapani might be considered as alternatives when visiting the western end of the island.
Position 37° 47' 09"N, 12° 17' 4"E (harbour entrance)
The harbour has been renovated in recent times, but is still exposed to southerly winds.
Last updated October 2015.


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Self Study Platform with:
Do you prefer to have a teacher guide you through lessons, give you instant feedback and create a course specifically for you? Enhance offers you a structured Business English course with a teacher so you can reach objectives every lesson, track your progress and apply what you learned to your work instantly!
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A course developed for beginner levels, which is designed for developing a basic understanding of English. Get started with essential management of grammar and vocabulary.
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{% load static %}
Thank you for using the Game Collector App, you are now logged out.
click
here
to log back in


Code for data reduction and analysis of Galaxy Zoo 2
This project is maintained by willettk
This page hosts the drafts and reduction code for the Galaxy Zoo 2 project. It is currently intended for the exclusive use of the GZ science team. Contact Kyle Willett if you have questions about the project, code, or data availability.
If you have a GitHub account, you should be able to download the code and paper drafts from this site. Use the following command:
$ git clone https://github.com/willettk/galaxyzoo2.git
Or, if you want to make changes to the code/contribute to the paper draft via git (which would be really cool to try), you can fork it:
First, click the "Fork" button on https://github.com/willettk/galaxyzoo2. Next:
$ cd your_directory
$ git clone https://github.com/your_username/galaxyzoo2.git
$ git remote add upstream https://github.com/willettk/galaxyzoo2.git
$ git pull upstream
Make some changes to the draft:
$ vim galaxyzoo2/datapaper/gz2datarelease.tex
Finally, go back to your GitHub page and switch to the branch you've been working on. Click the "Pull Request" button, add a title (eg, "Added reference to 1926 Hubble paper") and hit "Send". If we agree on the changes, I'll accept them and they'll be automatically merged into the upstream repository (ie, the master draft).
Contributors to Galaxy Zoo 2 on GitHub: Chris Lintott (@chrislintott), Steven Bamford (@bamford), Mike Williams (@mikewilliams), and Arfon Smith (@arfon).
Having trouble with Pages? Check out the documentation at http://help.github.com/pages or contact<EMAIL_ADDRESS>and we’ll help you sort it out.


It's Go Time! I only have 5 more months of university and then I am free! Right now I am interning for a web development company and building skills for web development.
My favorite development projects so far have included using SQL. However, I am really enjoying learning Javascript, CSS, and HTML. I am also using Google Analytics and SEO techniques to improve the visibility of our websites.
If you would like to contact me you can do so at<EMAIL_ADDRESS>or you can visit my LinkedIn frofile.


module Digest
This module provides a framework for message digest libraries.
You may want to look at OpenSSL::Digest as it supports more algorithms.
A cryptographic hash function is a procedure that takes data and returns a fixed bit string: the hash value, also known as digest. Hash functions are also called one-way functions, it is easy to compute a digest from a message, but it is infeasible to generate a message from a digest.
Examples¶ ↑
require 'digest' # Compute a complete digest Digest::SHA256.digest 'message' #=> "\xABS\n\x13\xE4Y..." sha256 = Digest::SHA256.new sha256.digest 'message' #=> "\xABS\n\x13\xE4Y..." # Other encoding formats Digest::SHA256.hexdigest 'message' #=> "ab530a13e459..." Digest::SHA256.base64digest 'message' #=> "q1MKE+RZFJgr..." # Compute digest by chunks md5 = Digest::MD5.new md5.update 'message1' md5 << 'message2' # << is an alias for update md5.hexdigest #=> "94af09c09bb9..." # Compute digest for a file sha256 = Digest::SHA256.file 'testfile' sha256.hexdigest
Additionally digests can be encoded in “bubble babble” format as a sequence of consonants and vowels which is more recognizable and comparable than a hexadecimal digest.
require 'digest/bubblebabble' Digest::SHA256.bubblebabble 'message' #=> "xopoh-fedac-fenyh-..."
See the bubble babble specification at web.mit.edu/kenta/www/one/bubblebabble/spec/jrtrjwzi/draft-huima-01.txt.
Digest algorithms¶ ↑
Different digest algorithms (or hash functions) are available:
- MD5
-
See RFC 1321 The MD5 Message-Digest Algorithm
- RIPEMD-160
-
As Digest::RMD160. See homes.esat.kuleuven.be/~bosselae/ripemd160.html.
- SHA1
-
See FIPS 180 Secure Hash Standard.
- SHA2 family
-
See FIPS 180 Secure Hash Standard which defines the following algorithms:
-
SHA512
-
SHA384
-
SHA256
-
The latest versions of the FIPS publications can be found here: csrc.nist.gov/publications/PubsFIPS.html.
Constants
- REQUIRE_MUTEX
A mutex for Digest().
Public Class Methods
Returns a BubbleBabble encoded version of a given string.
static VALUE rb_digest_s_bubblebabble(VALUE klass, VALUE str) { return bubblebabble_str_new(str); }
Generates a hex-encoded version of a given string.
static VALUE rb_digest_s_hexencode(VALUE klass, VALUE str) { return hexencode_str_new(str); }


hello,world!
welcome to my first web page!
check out Moringa schooit's a great place to learn web development skill!
Here are some things i'm going to learn about coding:


#include <Logger.hpp>
Public Types | |
| enum | LogSeverity { NORMAL, VERBOSE } |
| Log severity to describe the granularity of logging. More... | |
| enum | ErrorSeverity { Debugging = 1, Info = 2, Warn = 4, Err = 8 } |
| Description for severity of a log message. More... | |
Public Member Functions | |
| virtual | ~Logger () |
| Virtual destructor. | |
| void | debug (const char *message) |
| Writes a debug message. | |
| void | info (const char *message) |
| Writes a info message. | |
| void | warn (const char *message) |
| Writes a warning message. | |
| void | error (const char *message) |
| Writes an error message. | |
| void | setLogSeverity (LogSeverity log_severity) |
| Set a new log severity. | |
| LogSeverity | getLogSeverity () const |
| Get the current log severity. | |
| virtual bool | attachStream (LogStream *pStream, unsigned int severity=Debugging|Err|Warn|Info)=0 |
| Attach a new log-stream. | |
| virtual bool | detatchStream (LogStream *pStream, unsigned int severity=Debugging|Err|Warn|Info)=0 |
| Detach a still attached stream from the logger (or modify the filter flags bits). | |
Protected Member Functions | |
| Logger () | |
| Logger (LogSeverity severity) | |
| virtual void | OnDebug (const char *message)=0 |
| Called as a request to write a specific debug message. | |
| virtual void | OnInfo (const char *message)=0 |
| Called as a request to write a specific info message. | |
| virtual void | OnWarn (const char *essage)=0 |
| Called as a request to write a specific warn message. | |
| virtual void | OnError (const char *message)=0 |
| Called as a request to write a specific error message. | |
Protected Attributes | |
| LogSeverity | m_Severity |
| Logger severity. |
Definition at line 62 of file Logger.hpp.
Description for severity of a log message.
Every LogStream has a bitwise combination of these flags. A LogStream doesn't receive any messages of a specific type if it doesn't specify the corresponding ErrorSeverity flag.
| Debugging | Debug log message. |
| Info | Info log message. |
| Warn | Warn log message. |
| Err | Error log message. |
Definition at line 87 of file Logger.hpp.
| Assimp::Logger::Logger | ( | ) | [inline, protected] |
Default constructor
Definition at line 212 of file Logger.hpp.
References NORMAL, and setLogSeverity().
00212 { 00213 setLogSeverity(NORMAL); 00214 }
| Assimp::Logger::Logger | ( | LogSeverity | severity | ) | [inline, explicit, protected] |
Construction with a given log severity
Definition at line 224 of file Logger.hpp.
References setLogSeverity().
00224 { 00225 setLogSeverity(severity); 00226 }
| void Assimp::Logger::debug | ( | const char * | message | ) |
Writes a debug message.
| message | Debug message |
| void Assimp::Logger::info | ( | const char * | message | ) |
Writes a info message.
| message | Info message |
| void Assimp::Logger::warn | ( | const char * | message | ) |
Writes a warning message.
| message | Warn message |
| void Assimp::Logger::error | ( | const char * | message | ) |
Writes an error message.
| message | Error message |
| void Assimp::Logger::setLogSeverity | ( | LogSeverity | log_severity | ) | [inline] |
Set a new log severity.
| log_severity | New severity for logging |
Definition at line 230 of file Logger.hpp.
References m_Severity.
Referenced by Logger().
00230 { 00231 m_Severity = log_severity; 00232 }
| virtual bool Assimp::Logger::attachStream | ( | LogStream * | pStream, | |
| unsigned int | severity = Debugging|Err|Warn|Info | |||
| ) | [pure virtual] |
Attach a new log-stream.
The logger takes ownership of the stream and is responsible for its destruction (which is done using delete when the logger itself is destroyed). Call detachStream to detach a stream and to gain ownership of it again.
| pStream | Log-stream to attach | |
| severity | Message filter, specified which types of log messages are dispatched to the stream. Provide a bitwise combination of the ErrorSeverity flags. |
Implemented in Assimp::DefaultLogger, and Assimp::NullLogger.
| virtual bool Assimp::Logger::detatchStream | ( | LogStream * | pStream, | |
| unsigned int | severity = Debugging|Err|Warn|Info | |||
| ) | [pure virtual] |
Detach a still attached stream from the logger (or modify the filter flags bits).
| pStream | Log-stream instance for detaching | |
| severity | Provide a bitwise combination of the ErrorSeverity flags. This value is &~ed with the current flags of the stream, if the result is 0 the stream is detached from the Logger and the caller retakes the possession of the stream. |
Implemented in Assimp::DefaultLogger, and Assimp::NullLogger.
| virtual void Assimp::Logger::OnDebug | ( | const char * | message | ) | [protected, pure virtual] |
Called as a request to write a specific debug message.
| message | Debug message. Never longer than MAX_LOG_MESSAGE_LENGTH characters (excluding the '0'). |
Implemented in Assimp::NullLogger.
| virtual void Assimp::Logger::OnInfo | ( | const char * | message | ) | [protected, pure virtual] |
Called as a request to write a specific info message.
| message | Info message. Never longer than MAX_LOG_MESSAGE_LENGTH characters (ecxluding the '0'). |
Implemented in Assimp::NullLogger.
| virtual void Assimp::Logger::OnWarn | ( | const char * | essage | ) | [protected, pure virtual] |
Called as a request to write a specific warn message.
| message | Warn message. Never longer than MAX_LOG_MESSAGE_LENGTH characters (exluding the '0'). |
Implemented in Assimp::NullLogger.
| virtual void Assimp::Logger::OnError | ( | const char * | message | ) | [protected, pure virtual] |
Called as a request to write a specific error message.
| message | Error message. Never longer than MAX_LOG_MESSAGE_LENGTH characters (exluding the '0'). |
Implemented in Assimp::NullLogger.


Full Stack Developer in training
Hello! My name is Amara Malekebu. I am currently enrolled in a coding bootcamp to help me become a developer. I hope to use the skills from this class to help me make an dating app & game.
This is my first application that I created for challenge one. This project is located in my github. I enjoyed making this project but it was hard.
This is a group project that was created using two APIs. I really enjoyed making this project as well. My group did a great job, I was part of the CSS team for this project.
This is my project that I have not yet create. I hope I will enjoy making this project as well. I am very excited to see what I create
This is my project that I have not yet create. I hope I will enjoy making this project as well. I am very excited to see what I create


Preparation time
less than 30 mins
Cooking time
10 to 30 mins
Serves
Serves 6-8
A very easy and quick dish for the family, cooked and served in one pan. Similar to a frittata, this omelette is started on the hob and finished under the grill.
In a large saucepan, bring the milk up to the boil. Place the smoked haddock into the milk and turn off the heat. Place a lid on the pan and leave to gently poach in the milk for approximately 8-10 minutes.
Remove the haddock from the pan and cover with aluminium foil to keep warm. Remove all bones and discard the skin. Pass the poaching milk through a fine sieve into a jug.
In a saucepan, melt half of the butter and then add the flour. Mix to form a smooth paste. Gradually add half of the poaching milk in batches, stirring all the time, to make a white sauce.
Whisk the whole eggs in a bowl and season with salt and pepper. In a large non-stick frying pan, melt the remaining butter over a low heat. Pour the whisked eggs into the pan and cook slowly. When just cooked, remove from the heat and cover with grated parmesan. Add the chopped chives and place flakes of smoked haddock over the top.
Preheat the grill to the hottest setting.
In a mixing bowl, mix together the egg yolks and the crème fraîche with six tablespoons of the white sauce. Spoon this mix over the top of the omelette and place under the preheated grill to make a glaze (alternatively use a blowtorch).


{% extends "base.html" %} {% block body_block %}
The job has been done! We hope you enjoy the service!


Prototypes
When I work on a design, I prototype as I go. This allows me to see what I'm doing in a working environment, while keeping expectations realistic.
Below you will find links to various prototypes from my years of work.
Sites
| Project | URL |
|---|---|
| PatternFly 4 website | PatternFly 4 test site |
| OpenShift.io | |
| KubeVirt.io | |
| The Scouters Lodge A.F. & A.M. | TheScoutersLodge.org |
| Rufus Putnam Lodge A.F. & A.M. | |
| Design Tracker | design-tracker-template/ |
| Feature Flag prototype | feature-flag-prototype/ |
| Agile Development Test Environment | testing_environment/ |


May 30, 2015
CSS Madness
I spent the past week learning HTML and CSS, having zero prior experience with either. With the right guidance, it's surprisingly doable. No learning experience is complete without some moments of struggle, and I had plenty. Hopefully you will be able to benefit from my pain. The two worst positioning nightmares I came accross were position:relative/absolute/fixed and display:inline/block/inline-block. I'll run through the definitions of each, and include my advice on using the things.
| position:fixed | Object displays relative to the browser window, and is immune to scrolling. |
| position:relative | Objects display relative to the browser, irrespective of any other elements on the page. I'm not sure why anyone would use this option, ever. |
| position:absolute | The most useful option for positioning objects. Objects display relative to it's preceeding positioned (fixed, relative, or absolute) element. If the object is the first positioned element, it will display relative to the browser window. |
| position:static | This is the default position setting. Objects will display in order. |
| display:inline | This is the default value. It doesn't do anything. |
| display:block | Displays objects the same way <p> displays text, in vertically arranged chunks. |
| display:inline-block | Displays objects in horizontally arranged chunks. This is the most useful display option. |
In conclusion, you most likely want to be using position:absolute, and display:inline-block if you're trying to position objects.
A word to the wise - If you're changing the display or position properties and you think elements should be moving, but they are not, please, please, check your spelling. Do it for me. I wasted at least an entire hour fiddling with my stylesheet while my HTML class had a dash, and my CSS representation had an underscore. That was not the only time I had a spelling bug this week, it's easy to do, and easy to miss, so check your work!
Hopefully some of this was helpful. Feedback is always welcome.


Lazy Evaluation
Whatever I operating on the data
is to get the final result
Do we care about the intermidiate result?
No
So why do we execute it before we want the result?
We can deduct back, when we want the result
Catalyst Optimizer is used for generate the optimal execution plan


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Official Statistics
Official statistics covering October 2014 to December 2014 provisional and July 2014 to September 2014 revised.
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These statistics from inspections of maintained schools and academies in England are made up of:
Published: 19 March 2015
Updated: 16 July 2015
From: Ofsted