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This section outlines a few application scenarios to help illustrate the capabilities enabled by JNDI.
The examples below are not meant to be prescriptive. There are often several ways to solve a problem, and JNDI is designed with flexibility in mind.
In secure systems, a user must authenticate himself to the computer, network, or service that he wishes to access. For example, logging into UNIX requires the user to supply a password. Similarly, use of SSL requires that the user supply his X.509 certificate. Such authentication information can be stored as attributes associated with each user in the directory. The system performing the authentication would look up the attribute (for example, "password") of the user and verify the authenticity using the information supplied by the user.
DirContext ctx = new InitialDirContext(); Attribute attr = ctx.getAttributes(userName).get("password"); String password = (String)attr.get();
A useful feature of an electronic mail system is a directory service that provides a mapping between users and email addresses. This allows mail users to search for the email address of a particular user. This is analogous to searching for an individual's telephone number in the phone book in order to dial his phone number. For example, when I want to send mail to John Smith in my department, I search for "John Smith" in the directory using a "search" widget in the mail application. The widget returns to me five entries of John Smith, from which I select the one that is in a building on my site and use the email address attribute associated with that entry.
NamingEnumeration matches = deptCtx.search("user", new BasicAttributes("name", "John Smith")); // use matches to construct a selectable list for end-user while (matches.hasMore()) { SearchResult item = (SearchResult) matches.next(); Attributes info = item.getAttributes(); /* display attributes */ ... }
The directory could also be used by users to set up personalized address books. For example, once I have located John Smith's email address, I might not want to search the directory again each time I send him mail. Instead, I can create a personal subtree in the directory in which I maintain entries that I frequently use, possibly by creating links to the existing entries.
Database applications can use the directory to locate database servers. For example, a financial application needs to get the stock quotes from a stock quote server using JDBC. This application can enable the user to select the stock quote server based on specification of some attributes (such as coverage of which markets and frequency of quote updates). The application searches the directory for quote servers that meet these attributes, and then retrieves the "location" attribute (a JDBC URL) of the selected quote server and connects to it.
NamingEnumeration matches = ctx.search("service/stockQuotes", "(&(market=NASDAQ)(updateFreqency<=300))", searchctls); while (matches.hasMore()) { SearchResult item = (SearchResult)matches.next(); Attribute location = item.getAttributes().get("location"); ... }
When using almost any kind of interactive application that asks a user to input names, the user's job is made easier if a namespace browser is available to him. The browser can either be built into the application and tailored to suit that application in particular, or it can be more general-purpose such as a typical web browser.
A very
simple example of a JNDI browser allows a user to "walk"
through a namespace, viewing the atomic names at each step along
the way. The browser prints a "*" to highlight the name
of each Context
, thus telling the user where he can
go next. 1
// Start at the top -- the initial context. Context ctx = new InitialContext(); while (ctx != null) { // display one level NamingEnumeration items = ctx.list(); while (items.hasMoreElements()) { NameClassPair item = (NameClassPair)items.next(); if (isContext(item.getClassName())) { System.out.print("*"); } else { System.out.print(" "); } System.out.println(" " + item.getName()); } // Take the next step down into the namespace. String target = input.readLine(); try { ctx = (Context)ctx.lookup(target); } catch (NamingException e) { // handle error } catch (ClassCastException e) { // not a context; cannot traverse } }
An important function of a printing service is to provide a means for its human users to easily discover and select printers in the network. An application that needs to print, or the machine on which it runs, should not have to be configured each time a new printer is added to the network. The scope of network access to printers may range from a workgroup to global. The printing service can use the directory to provide this capability.
Assume
that printers are represented by a Printer
interface.
One of the methods in it could be print()
which, when
given an InputStream
, will read data from
InputStream
and print it on the printer represented by
this instance of Printer.
interface Printer { void print(InputStream data) throws PrinterException; ... }
A user
selects a printer using a logical printer name, either explicitly
or through default settings. For example, the user might have
specified a default printer to use for all his applications, which
is overridden only when he explicitly specifies another printer to
use. The application that is accepting the print request takes the
printer name and looks it up in the directory service. The
application expects to receive as the result an object that
implements the Printer
interface.
void myAppPrint(String printerName, String fileName) throws IOException { try { DirContext ctx = new InitialDirContext(); Printer prt = (Printer) ctx.lookup(printerName); prt.print(new FileInputStream(fileName)); } catch (NamingException e){ System.err.println("Could not locate printer: " + e); } catch (ClassCastException e) { System.err.println(printerName + "does not name a printer"); } }
Selecting a printer by explicitly giving its
name is but one way of identifying a printer. The user can also use
the directory to see the different printers available (browsing),
or to search for printers with particular attributes. For example
the user can ask the directory to list all the printers on the
second floor of building 5 in the Mountain View campus, or search
for all color laser printers with 600dpi resolution. From the
application's perspective, just as lookup()
returned a
Printer
object, the list and search operations also
provide the same capability of returning Printer
objects that the application could use to submit print
requests.


Toupti ~~~~~~ Toupti (pronounced toop-tee) is a micro-framework for PHP5; I'm not sure what the world needs right now is another framework, furthermore a PHP micro-framework, but it is a fun experiment. :) Toupti's goals are modest: - don't get in the way - be fast - be fun How to start with toupti? ~~~~~~~~~~~~~~~~~~~~~~~~~ The example/public directory contains an app.php file, and an .htaccess you can use as templates to setup a local apache vhost. I recommend the following directory tree : my_new_app/ public/ .htaccess app.php lib/ toupti.php templates/ a_view_file.php another_view.php And the following Apache vhost should do the trick : <VirtualHost toupti> ServerName toupti ServerAdmin<EMAIL_ADDRESS>DocumentRoot /path/to/my_new_app/public <Directory /path/to/my_new_app/public> Options All AllowOverride All Order deny,allow allow from <IP_ADDRESS> </Directory> </VirtualHost> Ok, but how does it work? ~~~~~~~~~~~~~~~~~~~~~~~~~ The basics ---------- Toupti is trying to do the right thing -- most of the time; this does mean that we have to agree on what is the right thing to do. Toupti works from your existing PHP class, provided it extends the Toupti class, and then maps all of its public methods to URL paths. Let's write the following app.php : <?php require '../lib/toupti.php'; class App extends Toupti { public function index() { $this->render("hello, world!"); } } $toupti = new App(); $toupti->run(); ?> That's about it, if you've setup a local vhost, accessing http://toupti/ will render the text "Hello, world!". "index" is the default "root" action. If you add another action, to your App class, say : public function foobar() { // ... } Then Toupti will map http://toupti/foobar to this action... Fun with routing? ----------------- * The default setup Toupti provides a simple, yet flexible routing engine. It is configured through the $routes array, that you can (should) override to provide better routes in your application. The default $routes array is: $routes = array('' => 'index', ':action' => ':action'); The first line maps the path "/" to your action "index". The second line maps the path "/:whatever" to your action ":whatever". * Simple named routes You can define more complex routes like: $routes = array(... , 'say/:what/to/:recipient' => 'dialogue'); Which will map "/say/something/to/someone" to the dialogue action. Furthermore in dialogue you can access the named parameters through the params attribute: public function dialogue() { $this->params['what'] == 'something'; // true $this->params['recipient'] == 'someone'; // true } Named parameters must strictly match the alphanumeric regex pattern (that is \w for you). * Routes with splat params $routes = array(..., 'say/*/to/*' => 'dialogue'); This will map any URL starting with "say/" followed by other text, followed by "to/", followed by some more text. Every-thing matched in betweem "say" and "to" is push in the $this->params['splat'] array.  What if you want to map a numerical ID to your fetch_answer action? Well you'd write: $routes = array(..., 'fetch_answer/:id' => array('action' => 'fetch_answer', ':id' => '\d+') ); So /fetch_answer/42 will lead you to the fetch_answer() action, but /fetch_answer/fail will only lead you to a 404 error... While we're at it, you can write things like : $routes = array(..., 'foo/:bar' => array('action' => 'do_foo', ':bar' => 'bar|baz|quux') ); To match either of these paths to the 'do_foo' action: - /foo/bar - /foo/baz - /foo/quux And since it's only fair that you can also do strange things, it is possible to map the route action option to a named param: $routes = array(..., 'foo/:bar/:baz' => array('action' => ':bar', ':bar' => 'edit|delete', ':baz' => '\d+') ); This will map: - /foo/edit/42 to the edit action with params['id'] == 42. - /foo/delete/42 to the delete action with params['id'] == 42. One extremly important thing to remember is that routes are matched from top to bottom, and that the first that fits is the only one that will fire. Action filters -------------- For each action taken, Toupti looks for filters to call around your action, so if a route matched the action "frobnitz", the call chain will be : - before_action - before_frobnitz - frobnitz - after_frobnitz - after_action So yes, having an action named "action" is a silly thing. Please, don't. Templates --------- Toupti sets a $template directory relative to your main class path, to hold a few files you want to use as templated documents. The render method, when given a filename, will search this directory for a PHP file with that filename, or just render the text you've passed it. To force the rendering of a file, and the creation of an error if it is missing, use: render(array('file' => 'somefile')). All keys of the array passed to render() will be available in the view through the $v array. So you will always get $v['file'] inside a view. That's about it. Thank you for reading. :)
Documentation generated on Sun, 19 Dec 2010 22:42:56 +0100 by phpDocumentor 1.4.3


JavaScript
JavaScript is a programming language used to make web pages interactive.
jQuery
A JavaScript library that makes it easier to incorporate JavaScript on your web pages.
Functions
A function is a block of code that performs an action and returns a result; optionally takes arguments
Methods
A method is an action run on a piece of data; you can think of it as a message you send to a piece of data, and the result is the response.
Arguments
Some methods take one or more arguments that provide the method with additional information to help it perform its action.
Booleans
Booleans can only hold 2 possible values - true or false.


| Modifier and Type | Method and Description |
|---|---|
void |
addUser(String username,
String password,
boolean coupleLocalUsername)
Create a new user account; the account will be disabled and
non-administrative by default.
|
void |
deleteUser(String username)
Delete a server account.
|
User |
getUser(String userName)
Get a particular user's description.
|
List<String> |
getUserNames()
List the currently-known account names.
|
void |
setUserAdmin(String username,
boolean admin)
Set or clear the mark on an account that indicates that it has
administrative privileges.
|
void |
setUserEnabled(String username,
boolean enabled)
Set or clear whether this account is enabled.
|
void |
setUserLocalUser(String username,
String localUsername)
Change what local system account to use for a server account.
|
void |
setUserPassword(String username,
String password)
Change the password for an account.
|
List<String> getUserNames()
User getUser(String userName)
userName
- The username to look up.void addUser(String username, String password, boolean coupleLocalUsername)
username
- The username to create.password
- The password to use.coupleLocalUsername
- Whether to set the local user name to the 'main' one.void setUserEnabled(String username, boolean enabled)
username
- The username to adjust.enabled
- Whether to enable the account.void setUserAdmin(String username, boolean admin)
username
- The username to adjust.admin
- Whether the account has admin privileges.void setUserPassword(String username, String password)
username
- The username to adjust.password
- The new password to use.void setUserLocalUser(String username, String localUsername)
username
- The username to adjust.localUsername
- The new local user account use.void deleteUser(String username)
username
- The username to delete.Copyright © 2015–2018 The Apache Software Foundation. All rights reserved.


Student Bio
Michael Schumann
Michael is 35 years old. Born in Hartford CT.


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U.S. Senate unanimously passes Hong Kong rights bill
by ReutersWASHINGTON — The U.S. Senate, in a unanimous vote, passed legislation on Tuesday aimed at protecting human rights in Hong Kong amid China’s crackdown on a pro-democracy protest movement in that vital financial center.
With the voice vote by senators, the “Hong Kong Human Rights and Democracy Act” now goes to the House of Representatives, which earlier approved its own version of the measure. The two chambers will have to work out the differences before any legislation can be sent to President Donald Trump for his consideration. (Reporting by Patricia Zengerle, Richard Cowan and David Brunnstrom; Editing by Eric Beech )


Have Letters, Get Words!
Allowed letters for the word
Preferred length for the word
For longest possible word made with the letters, input -1 as the length.


Q. What is a hackathon?
Ans. Hackathon, also known as the HACK DAY, HACKFEST or CODEFEST, are renowned events where in people holding expertise in different fields from computer programming to graphic designing work in harmony on software projects.
Q. What is NITS::HACKS 1.0?
NITS::HACKS 1.0 is a scheduled 24-hour Hackathon with contestants requiring to visualize and build solutions for disaster management/mitigation.
Q. Are there any travel reimbursements in Envision’17?
Unfortunately, we are not able to provide travel reimbursements to participants. But we’re always on the hunt to find more sustainable ways to bring more students to hackathon.


Name
Type
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Trump reaches deal with Aras Agalarov, an oligarch serving as a Putin liaison, to build a Trump Tower in Moscow. During the same trip, Trump received payment from Agalarov and other investors for their part in the Miss Universe pageant. Trump would later brag that “almost all of the oligarchs were in the room.”
Source: Washington Post


Museums can display monuments and art they have and let people rate it and it serve as a way of advertisement and sharing the knowledge.
Artists can have thier own space. they can use it to show thier works. and have a chance to sell them
Artists can reach for the site to auction their arts for a certain fee.
You can show any related art items which you possess or just seen in your city or country for the people to admire and you can optionally provide some description about the art and where people can be able to see it in real life.


botogram is a MIT-licensed microframework, which aims to simplify the creation of Telegram bots. It offers a concise, simple API, which allows you to spend all your creativity in the bot, without worrying about anything else.
It also provides a robust, fully scalable bot runner process, which will be able to process fastly high workloads. And as if this isn’t enough, it has builtin support for commands, with an automatically-generated /help command.


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Test


Find regular sequences of integers in numeric vector v.
series(v, step = 1, minseries = 2)
| v | A numeric vector containing only whole numbers. |
|---|---|
| step | The step size and direction (distance between adjacent items) for identifying series. Note that the sign of the step matters. Use positive values for monotonically increasing series and negative values for monotonically decreasing series. Defaults to 1. Use 0 for invariant series (runs). |
| minseries | The minimimum series length. Defaults to 2. |
Numeric matrix with 1 row for each series, and three columns indicating:
first: Integer at beginning of series.
runstart: Index into v
for start of series.
runlength: Length of series.
Takes a vector of whole numbers and returns a matrix with 3 columns: (1) integer at beginning of series, (2) index pointing to beginning of series, (3) length of series


@* * Copyright 2019 HM Revenue & Customs * * Licensed 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. *@ @import uk.gov.hmrc.tariffclassificationfrontend.config.AppConfig @import uk.gov.hmrc.tariffclassificationfrontend.models.request.AuthenticatedRequest @import uk.gov.hmrc.tariffclassificationfrontend.models.{Case, Paged, Queue, TabIndexes} @import uk.gov.hmrc.tariffclassificationfrontend.views.html.includes.main @import uk.gov.hmrc.tariffclassificationfrontend.views.html.partials.{cases_list, nav_header, queue_nav, create_liability_button} @(queues: Seq[Queue], queue: Queue, caseCountByQueue: Map[String, Int], cases: Paged[Case], filteredBy: String)(implicit request: AuthenticatedRequest[_], messages: Messages, appConfig: AppConfig) @getSuffixBasedOnFilter() = @{ filteredBy match { case "LIABILITY_ORDER" => "-liab" case _ => "" } } @main(bodyClasses = None, scriptElem = Some(Html(s"")), customTitle = Some(messages(s"page.title.case.queues.${queue.slug}${getSuffixBasedOnFilter}"))) {


lmp.local_coords¶
-
lmp.
local_coords
(q0_local, q1_local, ds)[source]¶ Compute the rotation matrix from (x, y, z) to (l, n, m)
Computes the rotation matrix from the local Cartesian coordinate system (x - xi, y - yi, z - zi), where (xi, yi, zi) is the current location of the Lagrangian plume element, to the system tangent to the current plume trajectory (l, n, m); l is oriented tangent to the plume centerline, n is orthogonal to l and along the line from the local radius of curvature, and m is orthogonal to n and l. The transformation is provided in Lee and Chueng (1990). This method makes a small adaptation allowing for infinite radius of curvature (plume propagating along a straight line).
- Parameters
- q0_localbent_plume_model.LagElement
Object containing the numerical solution at the previous time step
- q1_localbent_plume_model.LagElement
Object containing the numerical solution at the current time step
- dsfloat
Segment length along the centerline between the solutions contained in q0_local and q1_local.
- Returns
- Andarray
Rotation matrix from (x, y, z)’ to (l, n, m). The inverse of this matrix will convert back from (l, n, m) to (x, y, z)’.
See also