--- layout: page title: "Hypertext Transfer Protocol Version 2" description: "This specification describes an optimized expression of the semantics of the Hypertext Transfer Protocol (HTTP). HTTP/2 enables a more efficient use of network resources and a reduced perception of latency by introducing header field compression and allowing multiple concurrent exchanges on the same connection. It also introduces unsolicited push of representations from servers to clients. This specification is an alternative to, but does not obsolete, the HTTP/1.1 message syntax. HTTP's existing semantics remain unchanged." ---
| Document Name: | RFC 7540 |
|---|---|
| Document URI: |
urn:ietf:rfc:7540
|
| Online Version: |
https://datatracker.ietf.org/doc/html/rfc7540
|
| Organization: | Internet Engineering Task Force (IETF) |
| Series: | Request for Comments (RFC) |
| Abstract: | This specification describes an optimized expression of the semantics of the Hypertext Transfer Protocol (HTTP). HTTP/2 enables a more efficient use of network resources and a reduced perception of latency by introducing header field compression and allowing multiple concurrent exchanges on the same connection. It also introduces unsolicited push of representations from servers to clients. This specification is an alternative to, but does not obsolete, the HTTP/1.1 message syntax. HTTP's existing semantics remain unchanged. |
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|
Entitas
1.9.2
Entitas is a super fast Entity Component System (ECS) Framework specifically made for C# and Unity
|
Public Member Functions | |
| Context (int totalComponents, Func< TEntity > entityFactory) | |
| Context (int totalComponents, int startCreationIndex, ContextInfo contextInfo, Func< IEntity, IAERC > aercFactory, Func< TEntity > entityFactory) | |
| TEntity | CreateEntity () |
| void | DestroyAllEntities () |
| bool | HasEntity (TEntity entity) |
| Determines whether the context has the specified entity. | |
| TEntity [] | GetEntities () |
| Returns all entities which are currently in the context. | |
| IGroup< TEntity > | GetGroup (IMatcher< TEntity > matcher) |
| void | AddEntityIndex (IEntityIndex entityIndex) |
| IEntityIndex | GetEntityIndex (string name) |
| Gets the IEntityIndex for the specified name. | |
| void | ResetCreationIndex () |
| Resets the creationIndex back to 0. | |
| void | ClearComponentPool (int index) |
| Clears the componentPool at the specified index. | |
| void | ClearComponentPools () |
| Clears all componentPools. | |
| void | Reset () |
| void | RemoveAllEventHandlers () |
| override string | ToString () |
Properties | |
| int | totalComponents [get] |
| Stack< IComponent > [] | componentPools [get] |
| ContextInfo | contextInfo [get] |
| int | count [get] |
| Returns the number of entities in the context. | |
| int | reusableEntitiesCount [get] |
| int | retainedEntitiesCount [get] |
Events | |
| ContextEntityChanged | OnEntityCreated |
| Occurs when an entity gets created. | |
| ContextEntityChanged | OnEntityWillBeDestroyed |
| Occurs when an entity will be destroyed. | |
| ContextEntityChanged | OnEntityDestroyed |
| Occurs when an entity got destroyed. | |
| ContextGroupChanged | OnGroupCreated |
| Occurs when a group gets created for the first time. | |
A context manages the lifecycle of entities and groups. You can create and destroy entities and get groups of entities. The prefered way to create a context is to use the generated methods from the code generator, e.g. var context = new GameContext();
| TEntity | : | class | |
| TEntity | : | IEntity |
Definition at line 12 of file Context.cs.
|
inline |
The prefered way to create a context is to use the generated methods from the code generator, e.g. var context = new GameContext();
Definition at line 82 of file Context.cs.
|
inline |
The prefered way to create a context is to use the generated methods from the code generator, e.g. var context = new GameContext();
Definition at line 87 of file Context.cs.
|
inline |
Adds the IEntityIndex for the specified name. There can only be one IEntityIndex per name.
Definition at line 221 of file Context.cs.
|
inline |
Creates a new entity or gets a reusable entity from the internal ObjectPool for entities.
Definition at line 130 of file Context.cs.
|
inline |
Destroys all entities in the context. Throws an exception if there are still retained entities.
Definition at line 160 of file Context.cs.
|
inline |
Returns a group for the specified matcher. Calling context.GetGroup(matcher) with the same matcher will always return the same instance of the group.
Definition at line 191 of file Context.cs.
|
inline |
Removes all event handlers OnEntityCreated, OnEntityWillBeDestroyed, OnEntityDestroyed and OnGroupCreated
Definition at line 269 of file Context.cs.
|
inline |
Resets the context (destroys all entities and resets creationIndex back to 0).
Definition at line 261 of file Context.cs.
|
get |
Returns all componentPools. componentPools is used to reuse removed components. Removed components will be pushed to the componentPool. Use entity.CreateComponent(index, type) to get a new or reusable component from the componentPool.
Definition at line 36 of file Context.cs.
|
get |
The contextInfo contains information about the context. It's used to provide better error messages.
Definition at line 40 of file Context.cs.
|
get |
Returns the number of entities that are currently retained by other objects (e.g. Group, Collector, ReactiveSystem).
Definition at line 51 of file Context.cs.
|
get |
Returns the number of entities in the internal ObjectPool for entities which can be reused.
Definition at line 47 of file Context.cs.
|
get |
The total amount of components an entity can possibly have. This value is generated by the code generator, e.g ComponentLookup.TotalComponents.
Definition at line 29 of file Context.cs.


Kanye says he may legally change his name to 'Christian Genius Billionaire Kanye West'
by KABCRapper and designer Kanye West has made yet another statement that is turning heads and raising eyebrows.
During a surprise appearance at the 2019 Fast Company Innovation Festival Thursday night, West suggested that he may legally change his name to "Christian Genius Billionaire Kanye West."
"When people say it's crass to call yourself a billionaire, I might legally change my name to Christian Genius Billionaire Kanye West for a year until y'all understand exactly what it is," he told Fast Company senior writer Mark Wilson, CNN reported.
The 42-year-old has also teased at plans to run for president in 2024, saying he would create so many jobs.
West also said the new Yeezy sneaker will be made partly of algae and vowed to move the company's headquarters to Cody, Wyoming.


Hello and welcome to my b:log. I'm Remy Sharp, a developer running my own business called Left Logic out of Brighton, UK. This place will mostly concentrate on web, code, a touch of business and some other personal pieces too. Enjoy!
Latest: Snyk'ing off
Today I start the week after finishing a year long relationship with Snyk, and I wanted to mark permanently here, on my blog.


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| PREV NEXT | FRAMES NO FRAMES |
| Classes in org.apache.batik.util used by org.apache.batik.anim | |
|---|---|
| DoublyIndexedTable
This class represents a doubly indexed hash table. |
| Classes in org.apache.batik.util used by org.apache.batik.anim.timing | |
|---|---|
| DoublyIndexedSet
A set that uses two keys. |
|
| SMILConstants
Constants for SMIL animation element and attribute names and values. |
| Classes in org.apache.batik.util used by org.apache.batik.apps.svgbrowser | |
|---|---|
| ApplicationSecurityEnforcer
This is a helper class which helps applications enforce secure script execution. |
|
| ParsedURL
A URL -like class that supports custom URI schemes
and GZIP encoding. |
|
| PreferenceManager
This class allows to manage users preferences. |
| Classes in org.apache.batik.util used by org.apache.batik.bridge | |
|---|---|
| CleanerThread.ReferenceCleared
If objects registered with the reference queue associated with this class implement this interface then the 'cleared' method will be called when the reference is queued. |
|
| CleanerThread.SoftReferenceCleared
A SoftReference subclass that automatically registers with the cleaner ReferenceQueue. |
|
| CSSConstants
This interface defines constants for CSS. |
|
| EventDispatcher.Dispatcher
|
|
| ParsedURL
A URL -like class that supports custom URI schemes
and GZIP encoding. |
|
| RunnableQueue
This class represents an object which queues Runnable objects for invocation in a single thread. |
|
| RunnableQueue.IdleRunnable
A Runnable that can also inform the caller how long it should
be until it is run again. |
|
| RunnableQueue.RunHandler
This interface must be implemented by an object which wants to be notified of run events. |
|
| RunnableQueue.RunHandlerAdapter
This is an adapter class that implements the RunHandler interface. |
|
| SMILConstants
Constants for SMIL animation element and attribute names and values. |
|
| SVGConstants
Define SVG constants, such as tag names, attribute names and URI |
|
| XMLConstants
Contains common XML constants. |
| Classes in org.apache.batik.util used by org.apache.batik.bridge.svg12 | |
|---|---|
| CSSConstants
This interface defines constants for CSS. |
|
| DoublyIndexedTable
This class represents a doubly indexed hash table. |
|
| SVGConstants
Define SVG constants, such as tag names, attribute names and URI |
|
| XBLConstants
Define XBL constants, such as tag names, attribute names and namespace URI. |
|
| XMLConstants
Contains common XML constants. |
| Classes in org.apache.batik.util used by org.apache.batik.css.engine | |
|---|---|
| CSSConstants
This interface defines constants for CSS. |
|
| ParsedURL
A URL -like class that supports custom URI schemes
and GZIP encoding. |
| Classes in org.apache.batik.util used by org.apache.batik.css.engine.value | |
|---|---|
| ParsedURL
A URL -like class that supports custom URI schemes
and GZIP encoding. |
| Classes in org.apache.batik.util used by org.apache.batik.dom | |
|---|---|
| CleanerThread.ReferenceCleared
If objects registered with the reference queue associated with this class implement this interface then the 'cleared' method will be called when the reference is queued. |
|
| CleanerThread.SoftReferenceCleared
A SoftReference subclass that automatically registers with the cleaner ReferenceQueue. |
|
| DoublyIndexedTable
This class represents a doubly indexed hash table. |
| Classes in org.apache.batik.util used by org.apache.batik.dom.svg | |
|---|---|
| CSSConstants
This interface defines constants for CSS. |
|
| DoublyIndexedTable
This class represents a doubly indexed hash table. |
|
| ParsedURL
A URL -like class that supports custom URI schemes
and GZIP encoding. |
|
| SVGConstants
Define SVG constants, such as tag names, attribute names and URI |
|
| XMLConstants
Contains common XML constants. |
| Classes in org.apache.batik.util used by org.apache.batik.dom.svg12 | |
|---|---|
| CSSConstants
This interface defines constants for CSS. |
|
| SVGConstants
Define SVG constants, such as tag names, attribute names and URI |
|
| XBLConstants
Define XBL constants, such as tag names, attribute names and namespace URI. |
|
| XMLConstants
Contains common XML constants. |
| Classes in org.apache.batik.util used by org.apache.batik.dom.util | |
|---|---|
| CleanerThread.ReferenceCleared
If objects registered with the reference queue associated with this class implement this interface then the 'cleared' method will be called when the reference is queued. |
|
| CleanerThread.WeakReferenceCleared
A WeakReference subclass that automatically registers with the cleaner ReferenceQueue. |
|
| XMLConstants
Contains common XML constants. |
| Classes in org.apache.batik.util used by org.apache.batik.ext.awt.color | |
|---|---|
| SoftReferenceCache
This class manages a cache of soft references to objects that may take some time to load or create, such as images loaded from the network. |
| Classes in org.apache.batik.util used by org.apache.batik.ext.awt.image | |
|---|---|
| ParsedURL
A URL -like class that supports custom URI schemes
and GZIP encoding. |
|
| SoftReferenceCache
This class manages a cache of soft references to objects that may take some time to load or create, such as images loaded from the network. |
| Classes in org.apache.batik.util used by org.apache.batik.ext.awt.image.codec.imageio | |
|---|---|
| ParsedURL
A URL -like class that supports custom URI schemes
and GZIP encoding. |
| Classes in org.apache.batik.util used by org.apache.batik.ext.awt.image.codec.jpeg | |
|---|---|
| ParsedURL
A URL -like class that supports custom URI schemes
and GZIP encoding. |
| Classes in org.apache.batik.util used by org.apache.batik.ext.awt.image.codec.png | |
|---|---|
| ParsedURL
A URL -like class that supports custom URI schemes
and GZIP encoding. |
| Classes in org.apache.batik.util used by org.apache.batik.ext.awt.image.codec.tiff | |
|---|---|
| ParsedURL
A URL -like class that supports custom URI schemes
and GZIP encoding. |
| Classes in org.apache.batik.util used by org.apache.batik.ext.awt.image.rendered | |
|---|---|
| DoublyLinkedList.Node
Basic doubly linked list node interface. |
| Classes in org.apache.batik.util used by org.apache.batik.ext.awt.image.spi | |
|---|---|
| ParsedURL
A URL -like class that supports custom URI schemes
and GZIP encoding. |
| Classes in org.apache.batik.util used by org.apache.batik.extension | |
|---|---|
| CSSConstants
This interface defines constants for CSS. |
|
| DoublyIndexedTable
This class represents a doubly indexed hash table. |
|
| ParsedURL
A URL -like class that supports custom URI schemes
and GZIP encoding. |
|
| SVGConstants
Define SVG constants, such as tag names, attribute names and URI |
|
| XMLConstants
Contains common XML constants. |
| Classes in org.apache.batik.util used by org.apache.batik.extension.svg | |
|---|---|
| CSSConstants
This interface defines constants for CSS. |
|
| SVGConstants
Define SVG constants, such as tag names, attribute names and URI |
|
| XMLConstants
Contains common XML constants. |
| Classes in org.apache.batik.util used by org.apache.batik.gvt.font | |
|---|---|
| CSSConstants
This interface defines constants for CSS. |
|
| SVGConstants
Define SVG constants, such as tag names, attribute names and URI |
|
| XMLConstants
Contains common XML constants. |
| Classes in org.apache.batik.util used by org.apache.batik.gvt.svg12 | |
|---|---|
| CSSConstants
This interface defines constants for CSS. |
|
| SVGConstants
Define SVG constants, such as tag names, attribute names and URI |
|
| XMLConstants
Contains common XML constants. |
| Classes in org.apache.batik.util used by org.apache.batik.svggen | |
|---|---|
| CSSConstants
This interface defines constants for CSS. |
|
| SVGConstants
Define SVG constants, such as tag names, attribute names and URI |
|
| XMLConstants
Contains common XML constants. |
| Classes in org.apache.batik.util used by org.apache.batik.swing | |
|---|---|
| XMLConstants
Contains common XML constants. |
| Classes in org.apache.batik.util used by org.apache.batik.swing.gvt | |
|---|---|
| EventDispatcher.Dispatcher
|
|
| HaltingThread
This is a subclass of java.lang.Thread that includes a non-intrusive 'halt' method. |
| Classes in org.apache.batik.util used by org.apache.batik.swing.svg | |
|---|---|
| EventDispatcher.Dispatcher
|
|
| HaltingThread
This is a subclass of java.lang.Thread that includes a non-intrusive 'halt' method. |
|
| ParsedURL
A URL -like class that supports custom URI schemes
and GZIP encoding. |
| Classes in org.apache.batik.util used by org.apache.batik.transcoder | |
|---|---|
| CSSConstants
This interface defines constants for CSS. |
|
| ParsedURL
A URL -like class that supports custom URI schemes
and GZIP encoding. |
|
| SVGConstants
Define SVG constants, such as tag names, attribute names and URI |
|
| XMLConstants
Contains common XML constants. |
| Classes in org.apache.batik.util used by org.apache.batik.transcoder.wmf.tosvg | |
|---|---|
| CSSConstants
This interface defines constants for CSS. |
|
| SVGConstants
Define SVG constants, such as tag names, attribute names and URI |
|
| XMLConstants
Contains common XML constants. |
| Classes in org.apache.batik.util used by org.apache.batik.util | |
|---|---|
| AbstractParsedURLProtocolHandler
Very simple abstract base class for ParsedURLProtocolHandlers. |
|
| BatikSecurityManager
This SecurityManager extension exposes the getClassContext method so that it can be used by the BatikSecuritySupport or other security related class. |
|
| ClassFileUtilities.Jar
|
|
| CleanerThread.ReferenceCleared
If objects registered with the reference queue associated with this class implement this interface then the 'cleared' method will be called when the reference is queued. |
|
| CSSConstants
This interface defines constants for CSS. |
|
| DoublyIndexedTable
This class represents a doubly indexed hash table. |
|
| DoublyIndexedTable.Entry
An entry in the DoublyIndexedTable . |
|
| DoublyLinkedList.Node
Basic doubly linked list node interface. |
|
| EventDispatcher.Dispatcher
|
|
| HaltingThread
This is a subclass of java.lang.Thread that includes a non-intrusive 'halt' method. |
|
| ParsedURL
A URL -like class that supports custom URI schemes
and GZIP encoding. |
|
| ParsedURLData
Holds the data for more URLs. |
|
| ParsedURLDefaultProtocolHandler
The default protocol handler this handles the most common protocols, such as 'file' 'http' 'ftp'. |
|
| ParsedURLProtocolHandler
Provider interface for new url protocols, used by the ParsedURL class. |
|
| RunnableQueue
This class represents an object which queues Runnable objects for invocation in a single thread. |
|
| RunnableQueue.IdleRunnable
A Runnable that can also inform the caller how long it should
be until it is run again. |
|
| RunnableQueue.Link
To store a Runnable. |
|
| RunnableQueue.RunHandler
This interface must be implemented by an object which wants to be notified of run events. |
|
| RunnableQueue.RunnableQueueState
Type-safe enumeration of queue states. |
|
| SoftDoublyIndexedTable.Entry
To manage collisions |
|
| SVGConstants
Define SVG constants, such as tag names, attribute names and URI |
|
| XMLConstants
Contains common XML constants. |
|
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 Please note that some of the content in this site is only available for logged in members. If you are a member, please login, join our community or go back to homepage. %}
{% endblock %}


类 In
- java.lang.Object
-
- edu.princeton.cs.algs4.In
-
public final class In extends java.lang.Object
Input. This class provides methods for reading strings and numbers from standard input, file input, URLs, and sockets.The Locale used is: language = English, country = US. This is consistent with the formatting conventions with Java floating-point literals, command-line arguments (via
Double.parseDouble(String)
) and standard output.For additional documentation, see Section 3.1 of Computer Science: An Interdisciplinary Approach by Robert Sedgewick and Kevin Wayne.
Like
Scanner
, reading a token also consumes preceding Java whitespace, reading a full line consumes the following end-of-line delimeter, while reading a character consumes nothing extra.Whitespace is defined in
Character.isWhitespace(char)
. Newlines consist of \n, \r, \r\n, and Unicode hex code points 0x2028, 0x2029, 0x0085; see Scanner.java (NB: Java 6u23 and earlier uses only \r, \r, \r\n).
-
-
构造器概要
构造器 构造器 说明 In()
Initializes an input stream from standard input.In(java.io.File file)
Initializes an input stream from a file.In(java.lang.String name)
Initializes an input stream from a filename or web page name.In(java.net.Socket socket)
Initializes an input stream from a socket.In(java.net.URL url)
Initializes an input stream from a URL.In(java.util.Scanner scanner)
Initializes an input stream from a givenScanner
source; use withnew Scanner(String)
to read from a string.
-
方法概要
所有方法 静态方法 实例方法 具体方法 修饰符和类型 方法 说明 void
close()
Closes this input stream.boolean
exists()
Returns true if this input stream exists.boolean
hasNextChar()
Returns true if this input stream has more input (including whitespace).boolean
hasNextLine()
Returns true if this input stream has a next line.boolean
isEmpty()
Returns true if input stream is empty (except possibly whitespace).static void
main(java.lang.String[] args)
Unit tests theIn
data type.java.lang.String
readAll()
Reads and returns the remainder of this input stream, as a string.double[]
readAllDoubles()
Reads all remaining tokens from this input stream, parses them as doubles, and returns them as an array of doubles.int[]
readAllInts()
Reads all remaining tokens from this input stream, parses them as integers, and returns them as an array of integers.java.lang.String[]
readAllLines()
Reads all remaining lines from this input stream and returns them as an array of strings.long[]
readAllLongs()
Reads all remaining tokens from this input stream, parses them as longs, and returns them as an array of longs.java.lang.String[]
readAllStrings()
Reads all remaining tokens from this input stream and returns them as an array of strings.boolean
readBoolean()
Reads the next token from this input stream, parses it as aboolean
(interpreting either"true"
or"1"
astrue
, and either"false"
or"0"
asfalse
).byte
readByte()
Reads the next token from this input stream, parses it as abyte
, and returns thebyte
.char
readChar()
Reads and returns the next character in this input stream.double
readDouble()
Reads the next token from this input stream, parses it as adouble
, and returns thedouble
.float
readFloat()
Reads the next token from this input stream, parses it as afloat
, and returns thefloat
.int
readInt()
Reads the next token from this input stream, parses it as aint
, and returns theint
.java.lang.String
readLine()
Reads and returns the next line in this input stream.long
readLong()
Reads the next token from this input stream, parses it as along
, and returns thelong
.short
readShort()
Reads the next token from this input stream, parses it as ashort
, and returns theshort
.java.lang.String
readString()
Reads the next token from this input stream and returns it as aString
.
-
-
-
构造器详细资料
-
In
public In()
Initializes an input stream from standard input.
-
In
public In(java.io.File file)
Initializes an input stream from a file.- 参数:
file
- the file- 抛出:
java.lang.IllegalArgumentException
- if cannot openfile
java.lang.IllegalArgumentException
- iffile
isnull
-
In
public In(java.lang.String name)
Initializes an input stream from a filename or web page name.- 参数:
name
- the filename or web page name- 抛出:
java.lang.IllegalArgumentException
- if cannot openname
as a file or URLjava.lang.IllegalArgumentException
- ifname
isnull
-
In
public In(java.net.Socket socket)
Initializes an input stream from a socket.- 参数:
socket
- the socket- 抛出:
java.lang.IllegalArgumentException
- if cannot opensocket
java.lang.IllegalArgumentException
- ifsocket
isnull
-
In
public In(java.net.URL url)
Initializes an input stream from a URL.- 参数:
url
- the URL- 抛出:
java.lang.IllegalArgumentException
- if cannot openurl
java.lang.IllegalArgumentException
- ifurl
isnull
-
In
public In(java.util.Scanner scanner)
Initializes an input stream from a givenScanner
source; use withnew Scanner(String)
to read from a string.Note that this does not create a defensive copy, so the scanner will be mutated as you read on.
- 参数:
scanner
- the scanner- 抛出:
java.lang.IllegalArgumentException
- ifscanner
isnull
-
-
方法详细资料
-
close
public void close()
Closes this input stream.
-
exists
public boolean exists()
Returns true if this input stream exists.- 返回:
true
if this input stream exists;false
otherwise
-
hasNextChar
public boolean hasNextChar()
Returns true if this input stream has more input (including whitespace). Use this method to know whether the next call toreadChar()
will succeed. This method is functionally equivalent tohasNextLine()
.- 返回:
true
if this input stream has more input (including whitespace);false
otherwise
-
hasNextLine
public boolean hasNextLine()
Returns true if this input stream has a next line. Use this method to know whether the next call toreadLine()
will succeed. This method is functionally equivalent tohasNextChar()
.- 返回:
true
if this input stream has more input (including whitespace);false
otherwise
-
isEmpty
public boolean isEmpty()
Returns true if input stream is empty (except possibly whitespace). Use this to know whether the next call toreadString()
,readDouble()
, etc will succeed.- 返回:
true
if this input stream is empty (except possibly whitespace);false
otherwise
-
main
public static void main(java.lang.String[] args)
Unit tests theIn
data type.- 参数:
args
- the command-line arguments
-
readAll
public java.lang.String readAll()
Reads and returns the remainder of this input stream, as a string.- 返回:
- the remainder of this input stream, as a string
-
readAllDoubles
public double[] readAllDoubles()
Reads all remaining tokens from this input stream, parses them as doubles, and returns them as an array of doubles.- 返回:
- all remaining lines in this input stream, as an array of doubles
-
readAllInts
public int[] readAllInts()
Reads all remaining tokens from this input stream, parses them as integers, and returns them as an array of integers.- 返回:
- all remaining lines in this input stream, as an array of integers
-
readAllLines
public java.lang.String[] readAllLines()
Reads all remaining lines from this input stream and returns them as an array of strings.- 返回:
- all remaining lines in this input stream, as an array of strings
-
readAllLongs
public long[] readAllLongs()
Reads all remaining tokens from this input stream, parses them as longs, and returns them as an array of longs.- 返回:
- all remaining lines in this input stream, as an array of longs
-
readAllStrings
public java.lang.String[] readAllStrings()
Reads all remaining tokens from this input stream and returns them as an array of strings.- 返回:
- all remaining tokens in this input stream, as an array of strings
-
readBoolean
public boolean readBoolean()
Reads the next token from this input stream, parses it as aboolean
(interpreting either"true"
or"1"
astrue
, and either"false"
or"0"
asfalse
).- 返回:
- the next
boolean
in this input stream - 抛出:
java.util.NoSuchElementException
- if the input stream is emptyjava.util.InputMismatchException
- if the next token cannot be parsed as aboolean
-
readByte
public byte readByte()
Reads the next token from this input stream, parses it as abyte
, and returns thebyte
.To read binary data, use
BinaryIn
.- 返回:
- the next
byte
in this input stream - 抛出:
java.util.NoSuchElementException
- if the input stream is emptyjava.util.InputMismatchException
- if the next token cannot be parsed as abyte
-
readChar
public char readChar()
Reads and returns the next character in this input stream.- 返回:
- the next
char
in this input stream - 抛出:
java.util.NoSuchElementException
- if the input stream is empty
-
readDouble
public double readDouble()
Reads the next token from this input stream, parses it as adouble
, and returns thedouble
.- 返回:
- the next
double
in this input stream - 抛出:
java.util.NoSuchElementException
- if the input stream is emptyjava.util.InputMismatchException
- if the next token cannot be parsed as adouble
-
readFloat
public float readFloat()
Reads the next token from this input stream, parses it as afloat
, and returns thefloat
.- 返回:
- the next
float
in this input stream - 抛出:
java.util.NoSuchElementException
- if the input stream is emptyjava.util.InputMismatchException
- if the next token cannot be parsed as afloat
-
readInt
public int readInt()
Reads the next token from this input stream, parses it as aint
, and returns theint
.- 返回:
- the next
int
in this input stream - 抛出:
java.util.NoSuchElementException
- if the input stream is emptyjava.util.InputMismatchException
- if the next token cannot be parsed as anint
-
readLine
public java.lang.String readLine()
Reads and returns the next line in this input stream.- 返回:
- the next line in this input stream;
null
if no such line
-
readLong
public long readLong()
Reads the next token from this input stream, parses it as along
, and returns thelong
.- 返回:
- the next
long
in this input stream - 抛出:
java.util.NoSuchElementException
- if the input stream is emptyjava.util.InputMismatchException
- if the next token cannot be parsed as along
-
readShort
public short readShort()
Reads the next token from this input stream, parses it as ashort
, and returns theshort
.- 返回:
- the next
short
in this input stream - 抛出:
java.util.NoSuchElementException
- if the input stream is emptyjava.util.InputMismatchException
- if the next token cannot be parsed as ashort
-
readString
public java.lang.String readString()
Reads the next token from this input stream and returns it as aString
.- 返回:
- the next
String
in this input stream - 抛出:
java.util.NoSuchElementException
- if the input stream is empty
-
-


#include "superlu_ddefs.h"
Functions/Subroutines | |
| int_t | dReDistribute_A (SuperMatrix *A, ScalePermstruct_t *ScalePermstruct, Glu_freeable_t *Glu_freeable, int_t *xsup, int_t *supno, gridinfo_t *grid, int_t *colptr[], int_t *rowind[], double *a[]) |
| float | pddistribute (fact_t fact, int_t n, SuperMatrix *A, ScalePermstruct_t *ScalePermstruct, Glu_freeable_t *Glu_freeable, LUstruct_t *LUstruct, gridinfo_t *grid) |
-- Distributed SuperLU routine (version 2.3) -- Lawrence Berkeley National Lab, Univ. of California Berkeley. October 15, 2008
| int_t dReDistribute_A | ( | SuperMatrix * | A, | |
| ScalePermstruct_t * | ScalePermstruct, | |||
| Glu_freeable_t * | Glu_freeable, | |||
| int_t * | xsup, | |||
| int_t * | supno, | |||
| gridinfo_t * | grid, | |||
| int_t * | colptr[], | |||
| int_t * | rowind[], | |||
| double * | a[] | |||
| ) |
Purpose ======= Re-distribute A on the 2D process mesh.
Arguments =========
A (input) SuperMatrix* The distributed input matrix A of dimension (A->nrow, A->ncol). A may be overwritten by diag(R)*A*diag(C)*Pc^T. The type of A can be: Stype = SLU_NR_loc; Dtype = SLU_D; Mtype = SLU_GE.
ScalePermstruct (input) ScalePermstruct_t* The data structure to store the scaling and permutation vectors describing the transformations performed to the original matrix A.
Glu_freeable (input) *Glu_freeable_t The global structure describing the graph of L and U.
grid (input) gridinfo_t* The 2D process mesh.
colptr (output) int*
rowind (output) int*
a (output) double*
Return value ============
| float pddistribute | ( | fact_t | fact, | |
| int_t | n, | |||
| SuperMatrix * | A, | |||
| ScalePermstruct_t * | ScalePermstruct, | |||
| Glu_freeable_t * | Glu_freeable, | |||
| LUstruct_t * | LUstruct, | |||
| gridinfo_t * | grid | |||
| ) |


Thank you for checking out the Aggiemap Beta experience! The Aggiemap team is constantly looking to improve and add features to the platform to increase its usefulness, accuracy, and reliability. This branch is where we roll out the latest and greatest features and fixes that aren't quite production-ready. If you like to live dangerously, feel free to use this version of Aggiemap and get a taste for some of the upcoming features before they become available to everyone else.
Here is a brief summary on some of the notable WIP features:
A feature long in the making, 3D mode has finally arrived! On the top left is a new perspective toggle widget that will switch between 2D and 3D perspective modes. When the 3D mode is enabled, so will a brand new layer displaying detailed building exterior shapes painstakingly authored to highlight the natural beauty of our campus. Together with 3D mode, it enables users to tilt and rotate the map view paving the way for a one of a kind experience and vast possibilities for future development efforts.
On the sidebar, there is now a brand new tab with the bus icon (
) that contains a full list of all bus routes managed by Transportation Services. Clicking on a route will expand a timetable and display the bus route and live bus locations on the map, all without leaving Aggiemap.If you want to see this modal again, find it in the help dialog (
) on the bottom left of the screen.Please note that the Aggiemap team cannot guarantee the accuracy and functionality of any of the features contained in this build. If you find any bugs that need squashing or have any feedback on this version of Aggiemap, please drop us a line at gis@tamu.edu.


- EditContactInfoFragment - Class in com.example.trialio.fragments
-
This fragment allows a user to edit their profile information, including username, phone number and e-mail
it sends data back to the User manager, which then updates the user's information in the firebase database
- EditContactInfoFragment() - Constructor for class com.example.trialio.fragments.EditContactInfoFragment
-
- EditContactInfoFragment.OnFragmentInteractionListener - Interface in com.example.trialio.fragments
-
Interface for action to be performed by called when OK is clicked
- editContactInformation() - Method in class com.example.trialio.ViewUserActivityTest
-
US 04.02.01
As an owner or experimenter, I want to edit the contact information in my profile.
- editExperiment(String, Experiment) - Method in class com.example.trialio.controllers.ExperimentManager
-
This sets the experiment with a given experiment ID as a given edited experiment
- ExampleInstrumentedTest - Class in com.example.trialio
-
Instrumented test, which will execute on an Android device.
- ExampleInstrumentedTest() - Constructor for class com.example.trialio.ExampleInstrumentedTest
-
- ExampleUnitTest - Class in com.example.trialio
-
Example local unit test, which will execute on the development machine (host).
- ExampleUnitTest() - Constructor for class com.example.trialio.ExampleUnitTest
-
- execute() - Method in class com.example.trialio.controllers.ChangeUsernameCommand
-
Executes the command to change a username
- execute() - Method in class com.example.trialio.controllers.CreateTrialCommand
-
Executes the command to create a binomial trial
- execute() - Method in class com.example.trialio.controllers.ViewUserProfileCommand
-
Executes the command to view the user profile.
- Experiment - Class in com.example.trialio.models
-
Represents an experiment that users can create or participate in
- Experiment() - Constructor for class com.example.trialio.models.Experiment
-
No-argument constructor for an Experiment
- Experiment(String, String) - Constructor for class com.example.trialio.models.Experiment
-
Constructor for an Experiment
- Experiment(String, ExperimentSettings, String, boolean, int, boolean, String) - Constructor for class com.example.trialio.models.Experiment
-
Constructor for an Experiment
- ExperimentActivity - Class in com.example.trialio.activities
-
This activity displays overview experiment information and allows for the user to navigate to other
activities to access related experiment information
- ExperimentActivity() - Constructor for class com.example.trialio.activities.ExperimentActivity
-
- ExperimentAdapter - Class in com.example.trialio.adapters
-
This class inherits from ArrayAdapter and is responsible for adapting a Experiment object into the GUI
ListView item to be displayed on the app screen.
- ExperimentAdapter(Context, ArrayList<Experiment>) - Constructor for class com.example.trialio.adapters.ExperimentAdapter
-
- ExperimentCreateActivity - Class in com.example.trialio.activities
-
This activity allows a user to create an experiment, with full settings for the user to make it
This activity navigates to:
ExperimentActivity
MainActivity
- ExperimentCreateActivity() - Constructor for class com.example.trialio.activities.ExperimentCreateActivity
-
- ExperimentCreateActivityTest - Class in com.example.trialio
-
Test ExperimentCreateActivity class.
- ExperimentCreateActivityTest() - Constructor for class com.example.trialio.ExperimentCreateActivityTest
-
- experimenterAskQuestion() - Method in class com.example.trialio.QuestionForumActivityTest
-
US 02.01.01
As an experimenter, I want to ask a question about an experiment.
- experimenterID - Variable in class com.example.trialio.models.Trial
-
- ExperimentManager - Class in com.example.trialio.controllers
-
ExperimentManager manages Experiments and is responsible for the persistence of Experiment data.
- ExperimentManager() - Constructor for class com.example.trialio.controllers.ExperimentManager
-
Constructor for ExperimentManager
- ExperimentManager(String) - Constructor for class com.example.trialio.controllers.ExperimentManager
-
Constructor for ExperimentManager
- ExperimentManager.OnExperimentFetchListener - Interface in com.example.trialio.controllers
-
This interface represents an action to be taken when an Experiment document is fetched from
the database.
- ExperimentManager.OnManyExperimentsFetchListener - Interface in com.example.trialio.controllers
-
This interface represents an action to be taken when a collection of Experiments is fetched
from the database.
- ExperimentManagerTest - Class in com.example.trialio
-
Tests for the ExperimentManager class.
- ExperimentManagerTest() - Constructor for class com.example.trialio.ExperimentManagerTest
-
- ExperimentSettings - Class in com.example.trialio.models
-
Represents the settings of an experiment, more specifically the description, region, owner, and
whether or not geo-location is required
- ExperimentSettings() - Constructor for class com.example.trialio.models.ExperimentSettings
-
Constructor for an Experiment
- ExperimentSettings(String, Region, String, boolean) - Constructor for class com.example.trialio.models.ExperimentSettings
-
Constructor for an ExperimentSettings
- ExperimentSettingsActivity - Class in com.example.trialio.activities
-
This activity allows an experiment owner to modify the settings of an experiment they own
- ExperimentSettingsActivity() - Constructor for class com.example.trialio.activities.ExperimentSettingsActivity
-
- ExperimentTest - Class in com.example.trialio
-
Unit Test for Experiment class
- ExperimentTest() - Constructor for class com.example.trialio.ExperimentTest
-
- ExperimentTypeUtility - Class in com.example.trialio.utils
-
- extractTrial(DocumentSnapshot) - Method in class com.example.trialio.controllers.TrialManager
-
Extracts a trial object from a Firebase document.


I’m a firm believer than you learn more from failures than from successes. From that perspective, for our concurrency class labs I must have learned a ton.
In one of our labs, a challenge we had was that we needed to implement the producer/consumer problem for PNGs.
We needed to download the PNGs from a webserver (as a producer) into a finite size buffer, then move the data into the appopriate slots (as a consumer) and concatenate them all into a final all.png
While that sounds fairly reasonable all things considered, we can get into a few interesting issues.
System Design
It was reccomended we use something like a circular queue being mutexed and accessed between the producers and consumers. The idea with this would be that the consumers could chase the tail of the producers (and then have individual locks on each element in the queue). This design, all things being considered has a few flaws:
- There’s no guarantee the last element would finish last, resulting in undesired gaps between producing and consuming
- There’s implementation issues when there’s more producers/consumers than the size of the queue - how to you decide who gets which slots
- Scheduling how each worker moves: Does the first to finish just lock the queue and grab the first available slot? Does each worker get a predetermined slot?
Regardless, there was a design that made more sense to us. The idea here is that the buffer would be random access, and each index would be stored inside one of two stacks (either the producer stack or the consumer stack). When the producer gets a signal that it’s stack has an index, it grabs the index, downloads the data and adds the index to the consumer stack.
The producer pattern was roughly:
* wait(producer_semaphore)
* lock(producer_mutex)
* get_index()
* unlock(producer_mutex)
* produce_data()
* lock(consumer_mutex)
* insert_index()
* unlock(consumer_mutex)
* post(consumer_semaphore)
And the consumer pattern looked like:
* wait(consumer_semaphore)
* lock(consumer_mutex)
* get_index()
* unlock(counsmer_mutex)
* consume_data()
* lock(producer_mutex)
* insert_index()
* unlock(producer_mutex)
* post(producer_semaphore)
This starts with all locks unlocked, the producer stack/semaphore full, and the consumer stack/semaphore empty (as nothing is produced to begin). While lots of people had deadlocks and issues, since we considered the design pattern carefully, we didn’t have conflicts with this issue. The reasons this were successful were pretty simple: we never nested mutexes, so we couldn’t have one lock a resource the other would need. The semaphore was an appropriate barrier since it’d let a worker through to take data if and only if data was available. While I do like concurrency, I’m glad I didn’t have too many issues debugging it.
Struct Packing and Cryptic Error Messages
At one point, we had everything right but one checksum: the CRC (cyclic redunancy check) for our IHDR (the header chunk) was incorrect. Our CRC was always valid for the other components and always invalid for the header. Since it ws the same function, and we were quite confident about the spacing, it seemed very likely something was wrong about the header.
For reference, our struct for the IHDR components were declared something like
typedef struct {
uint32_t length;
uint32_t type; //0x49484452
uint32_t width;
uint32_t height;
uint8_t bit_depth;
uint8_t colour_type;
uint8_t compression_method;
uint8_t filter_method;
uint8_t interlace method;
uint32_t crc;
} IHDR_t;`
In additional debugging, we also found we got all other members correct - the only variable wrong in the header was the CRC. This bug is not obvious at first, but it makes a reasonable amoutn of sense.
The way we really called the crc calculation was something like crc(&IHDR.type, (3*4)+(5*1))
because we were calculating the CRC over three four-byte variables and five one-byte variables. We also knew each variable in the struct was corect, the size of each variable was correct, and the CRC was correct. If you’d like to figure out why yourself, you should stop reading now.
Fortunately for us, a hex dump of the header yielded some more insight. It turns out the culprit in this case was struct padding. While in hindsight, this makes a lot of sense, at the time it’s easy to neglect that c structs don’t guarantee there’s contiguous memory by default.
The fix from here was compiler specific, but pretty straightforwards:
typedef struct __attribute__(packed) {
...
} IHDR_t;
This problem also seemed specific to us, since a lot of our peers stored the variables in a “data” member, and to calculate the CRC they copied it all into a buffer. Fortunately, we prevailed and produced the correct result.
Cleanup and Debug:
Since we were using multiple processes concurrently, over school networks, we ended up using shared messages. It wasn’t too long before the server was spitting out an errormessage alone the line of shmget failed: No space left on device.
This wasn’t so cryptic, but it was almost comical looking at who hoarded the memory (on university servers).
ipcs -a > log.out; wc -l log.out; grep -c "_username_" log.out
3409 log.out 1293
Any given server, the same one person used roughly a quarter of all possible shared memory. Everyone was guilty of leaking at a point, but some seem to have a bit more of an issue than others. It’s also worth nothing that while shared memory unhooks from processes naturally, it doesn’t deallocate naturally (or even with shmdt
). This was discussed in class, but it seems like many people forgot or their code prematurely terminated before the cleanup could occur.
If anyone is dealing with shared memory for the first time, it’s worth remembering to include shmctl(shmid,IPC_RMID,NULL);
at the end of their program to avoid funny surprises like this. I guess this is why it’s important to consider the impact your code has on others.
Finally, when debugging, to try printing the buffer treating the data as a big pile of characters and printing the data out char by char. This results sometimes in obnoxious outputs however, like !▒▒j▒▒{▒s▒▒rt▒s▒m[rΘm▒B▒I]w▒i▒)j ▒
9▒▒▒m[`.
Obviously, this isn’t an ideal or easy way to debug, and it’s hard to recognize what bytes physically are. An easy fix solution would be to print it out chunk by chunk as an integer, but there’s an even better solution. Printing it was a hex value. Either dumping a finished file with xxd or printing out using %x. This check is invaluable for when you need to diff non text files or trying to figure out how much you get wrong.
Mistakes are natural, and in my opinion better in a lab environment where the scope is rather limited (constraining the causes of the bug), to learn the causes before there’s a litany of factors to consider concurrently. To quote Alexander Suvorov, “Train hard, fight easy.
The main takeaways I had from this were:
- Take some time to really think about your design, or you’ll spend far more time in the long run on the design.
- Consider what you really are accomplishing, because abstractions tend to be leaky.
- Always choose the best debugging tools for the job - you’ll otherwise just maker it harder on yourself.


This test requires 2 pages. Line A must appear on the first page, Line B on the second.
Page 1 Line A
Page 2 Line B


| package ti.sysbios.heaps |
|
Contains modules that inherit from IHeap
A "Heap" is a module that implements the IHeap interface.  Heaps are
dynamic memory managers: they manage a specific piece of memory and
support allocating and freeing pieces ("blocks") of that memory.
The
xdc.runtime.Memory module is the common interface for all
memory operations. Actual memory management is performed by a Heap
instance, such as an instance of HeapMem or HeapBuf. For example,
Memory_alloc() is used at runtime to dynamically allocate memory.
All of the Memory APIs take a Heap instance as one of their parameters.
Internally, the Memory module calls into the heap�s interface functions.
The xdc.runtime.Memory module is documented in the XDCtools online help.
Implementations of Heaps provided by SYS/BIOS are discussed here.
Memory allocation sizes are measured in "Minimum Addressable Units"
(MAUs) of memory. An MAU is the smallest unit of data storage that can
be read or written by the CPU. For the C5000, this is a 16-bit word.
For the C28x, this is an 16-bit word. For the all other currently
supported target families�including C6000 and ARM�this is an
8-bit byte.
generated on Wed, 28 Aug 2019 17:00:24 GMT


dash
Utilities for the DASH toolbox
Description
This package contains various utilities that help the DASH toolbox run. Most of the contents here are “under-the-hood” functions, but there are a few contents that may be useful to users. In particular, we think users may be interested in:
dash.doc - The function that opens the documentation browser
dash.closest - Can help users locate points close to specific coordinates
dash.localize - Functions that calculate covariance localization weights
dash.version - Reports the current version of the DASH toolbox.
Alternatively, see the “Documentation” and “Miscellaneous” sections below for user functions.
Documentation
Miscellaneous
closest - Functions that find points closest to specified coordinates
localize - Functions that calculation covariance localization weights
Input Utilities
is - Functions that test whether an input is a particular type
assert - Functions that throw errors when an input does not match required criteria
parse - Functions that parse user inputs
Data Specific Utilities
indices - Functions that manipulate array indices
string - Functions that manipulate strings
file - Functions that facilitate file manipulation
Math
math - Functions that implement mathematical equations
kalman - Functions that implement the Kalman Filter equation
Console Notifications
Classes
dataSource - Classes that read data from source files
gridfileSources - A class to manage gridfile data source catalogues
stateVectorVariable - Implements a variable in a state vector
ensembleFilter - A class that implement common operations for Kalman and particle filters
posteriorCalculation - Classes that perform calculations on Kalman Filter posterior deviations
Tests
tests - Implement unit tests for functions, classes, and sub-packages in the dash utility package
testToolbox - Implement unit tests for all components of the DASH toolbox


Overview »
Mapping for Results visualizes the locations of World Bank Bank-financed projects to better monitor development impact, improve aid effectiveness and coordination, and enhance transparency and social accountability. In combination with the subnational socio-economic indicators such as poverty, health, malnutrition, and population density it helps to better target development assistance.
Read More »
Read More »


{{< layout}} {{$header}}
Open Identity Exchange let users input a unique code to retrieve their digital photo (taken in a booth or shop) when renewing their passport online.
Current prototypeSecond iteration of override journey for lab on 17th October.
Started on 04 September 2017.
Codes: 1 = happy path. 2 = override journey. 3 = error path.
Prototype for lab on 19th September. First iteration of override journey.
Photo code = 2pNfHiz
Iteration of content on the code input and guidance pages.
08 August 2017Iteration of previous prototype to....


18 AGAIN A film review by Mark R. Leeper Copyright 1988 Mark R. Leeper
Capsule review: Slow and predictable comedy about 81- year-old man who finds himself in his grandson's body. If you have seen VICE VERSA, I recommend a nice rousing game of Parchesi instead of this. Rating: -1.
A couple of weeks ago I reviewed VICE VERSA and I said that the plot of personalities trading bodies had been done before often and usually not very memorably. In fact, FREAKY FRIDAY--an early Jodie Foster film made for Disney--came to mind though I had seen only trailers for it. But I am sure I have seen the theme elsewhere; it is just the films were so forgettable. Now two weeks later I have seen another treatment of the same story and this one is really forgettable. The film is 18 AGAIN and, take my word for it, it is one time too many.
David Watson (played by newcomer Charlie Schlatter) has more than his share of problems. He is pledging at a fraternity and is being picked on by his frat brothers. The girl he secretly loves goes with his chief tormentor. David is expected to join the dull business of phonemaking owned by his grandfather Jack Watson (played by George Burns). Jack has only one problem: he wants to be 18 again like David. Through a birthday wish gone wrong, Jack finds himself in his grandson's body. Schlatter spends most of the rest of the film doing a George Burns impression. Jack then brings his own philosophy of self-confidence to straightening out his grandson's life from inside the grandson's body.
While VICE VERSA brought a fresh eye and a clever sense of humor to the trade-of-personality plot, 18 AGAIN drags through every predictable cliche at half the pace that Mr. Burns walks. The script totally sidesteps the plot of the boy in the old man's body and shows you only the old man in the boy's body and, even so, it does considerably less with that plot than VICE VERSA does with less screen time. The story does virtually nothing new with the idea. There is, however, one good piece of advice in the film. As David's chief tormentor is getting ready for a race with our hero he tells him, "Don't waste your time." Let me pass that advice on to you. Rate 18 AGAIN a -1 on the -4 to +4 scale.
Mark R. Leeper ihnp4!mtgzz!leeper<EMAIL_ADDRESS>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
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


Sitting in my Room
On an early day home, I sat next to the keyboard in my room with my sister. She said something to me that made me realise what I have been doing has actually allowed me to benefit from it. It has been something that I have never been able to accomplish before. With her hand on my shoulder, she told me: "Your shoulders are a lot more relaxed now. Looks like it has been helping you distress quite a bit."
What was it? What helped me relax my shoulders?
Well it started with my best friend, Alex, telling me to start singing lessons. After half a year of him preaching to me, I decided to go with it. I regret the fact that I didn’t listen to his advice straight away though. Throughout my three years in University, I always enjoyed singing. I was never on pitch though. I was quite the successful annoying singer you get in public. I slowly became shy with singing and would only sing once in awhile next to the friends I am close with. Alex saw that I wasn’t actually tone death and he told me that he can see that I can actually do this properly if I went to lessons.
Stress
Now that I have actually started singing lessons, I feel like it has helped me deal with a lot of stress that I was never able to actually deal with. Yes, we need time to work on our main course of activities in life, but we also need to find other activities that we can accomplish at our own pace "without" stress so that we can still feel like we accomplishing something.
But funny enough, the singing lessons didn’t only teach me about dealing with stress. This is the fascinating part.
Something else
In school, I was never able to accomplish something fully. I was always terrible at academics. Alex would always do small sprints of excessive studying and get a lot more marks than me in tests and exams. Why? I would say that his musical background did play a role in supporting his ability to perform such miracles.
Everyone is taught to study the content of the work since they were young. Yes, we know chapter 1, 2, 3, etc. in the textbook and we know what the content is all about. Somehow when we write it out on paper, it isn’t the same and the report of our efforts doesn’t reflect our inputs.
Musicians tends to have the ability to "feel". As I am learning different sectors of different songs, I am realising through evaluation of my own performance where my loop holes are. I am clear that the voicing I am producing does not match the harmony. As I practise, I come closer and closer to what is expected by feeling my own throat and the pitch of the music. Since our brain works on associations of experience in our lives, musicians learn to utilise this skill to evaluate the content of their work to the expectations and the marking process of the marker. It essentially becomes a game for them to play. Seeing how well should I write this piece of text to allow the marker to recognise my understanding of the content related to this question.
I personally came from a structured background so categorising information in my head was easy, but I was never bought up in a creative background where I can get my feelings to facilitate me in anyway. I must say, I am very glad I started learning to sing. Somehow, I feel like it is a good idea to have only started singing after high school so that I can be rooted into a structured way of thinking… Knowing my slow ability to adapt.
More
Taking this concept even further though. There is one other thing that we can use this skill on…
Our every day life. In what sense? Is my every action in harmony with God? Is my every thought aligned with Dao? Is my every movement an act of Love? Would people be an able to see compassion through my actions? Can people witness loyalty from my existence? Can I be trusted as a person? Do I represent a living body of God? Of Dao? Of Allah? Of Buddha? Of Confucius? Of Lao Zi?
If not, what am I missing?
One beauty of musicians is perfection. I want to see if I can borrow the skills from singing to see if I can reach perfection with my spiritual growth and cultivation.


Using SageTeX#
The SageTeX package allows you to embed the results of Sage computations into a LaTeX document. To use it, you will need to “install” it first (see Make SageTeX known to TeX).
An example#
Here is a very brief example of using SageTeX. The full documentation
can be found in SAGE_ROOT/venv/share/doc/sagetex
,
where SAGE_ROOT
is the directory where your Sage installation is
located. That directory contains the documentation and an example file.
See SAGE_ROOT/venv/share/texmf/tex/latex/sagetex
for
some possibly useful Python scripts.
To see how SageTeX works, follow the directions for installing SageTeX (in
Make SageTeX known to TeX) and copy the following text into a file named, say,
st_example.tex
:
Warning
The text below will have several errors about unknown control sequences if you are viewing this in the “live” help. Use the static version to see the correct text.
\documentclass{article}
\usepackage{sagetex}
\begin{document}
Using Sage\TeX, one can use Sage to compute things and put them into
your \LaTeX{} document. For example, there are
$\sage{number_of_partitions(1269)}$ integer partitions of $1269$.
You don't need to compute the number yourself, or even cut and paste
it from somewhere.
Here's some Sage code:
\begin{sageblock}
f(x) = exp(x) * sin(2*x)
\end{sageblock}
The second derivative of $f$ is
\[
\frac{\mathrm{d}^{2}}{\mathrm{d}x^{2}} \sage{f(x)} =
\sage{diff(f, x, 2)(x)}.
\]
Here's a plot of $f$ from $-1$ to $1$:
\sageplot{plot(f, -1, 1)}
\end{document}
Run LaTeX on st_example.tex
as usual. Note that LaTeX will have some
complaints, which will include:
Package sagetex Warning: Graphics file
sage-plots-for-st_example.tex/plot-0.eps on page 1 does not exist. Plot
command is on input line 25.
Package sagetex Warning: There were undefined Sage formulas and/or
plots. Run Sage on st_example.sagetex.sage, and then run LaTeX on
st_example.tex again.
Notice that, in addition to the usual collection of files produced by
LaTeX, there is a file called st_example.sagetex.sage
. That is a Sage script
produced when you run LaTeX on st_example.tex
. The warning message
told you to run Sage on st_example.sagetex.sage
, so take its advice and do
that. It will tell you to run LaTeX on st_example.tex
again, but
before you do that, notice that a new file has been created:
st_example.sagetex.sout
. That file contains the results of Sage’s
computations, in a format that LaTeX can use to insert into your text. A
new directory containing an EPS file of your plot has also been created.
Run LaTeX again and you’ll see that everything that Sage computed and
plotted is now included in your document.
The different macros used above should be pretty easy to understand.  When you do \sage{foo}
, the result put
into your document is whatever you get from running latex(foo)
inside Sage. Plot commands are a bit more complicated, but in their
simplest form, \sageplot{foo}
inserts the image you get from doing
foo.save('filename.eps')
.
In general, the mantra is:
run LaTeX on your .tex file;
run Sage on the generated .sage file;
run LaTeX again.
You can omit running Sage if you haven’t changed around any Sage commands in your document.
There’s a lot more to SageTeX, and since both Sage and LaTeX are
complex, powerful tools, it’s a good idea to read the documentation for
SageTeX, which is in
SAGE_ROOT/venv/share/doc/sagetex
.
Make SageTeX known to TeX#
Sage is largely self-contained, but some parts do need some intervention to work properly. SageTeX is one such part.
The SageTeX package allows one to embed computations and plots from Sage into a LaTeX document. SageTeX is installed in Sage by default, but to use SageTeX with your LaTeX documents, you need to make your TeX installation aware of it before it will work.
The key to this is that TeX needs to be able to find sagetex.sty
,
which can be found in
SAGE_ROOT/venv/share/texmf/tex/latex/sagetex/
, where
SAGE_ROOT
is the directory where you built or installed Sage. If
TeX can find sagetex.sty
, then SageTeX will work. There are several
ways to accomplish this.
The first and simplest way is simply to copy
sagetex.sty
into the same directory as your LaTeX document. Since the current directory is always searched when typesetting a document, this will always work.There are a couple small problems with this, however: the first is that you will end up with many unnecessary copies of
sagetex.sty
scattered around your computer. The second and more serious problem is that if you upgrade Sage and get a new version of SageTeX, the Python code and LaTeX code for SageTeX may no longer match, causing errors.The second way is to use the
TEXMFLOCAL
environment variable. If you are using the bash shell, you can do$ export TEXMFLOCAL=SAGE_ROOT/venv/share/texmf $ mktexlsr # update kpathsea ls-R databases
where
SAGE_ROOT
is the location of your Sage installation. Thereafter, TeX and friends will find the SageTeX style file. If you want to make this change persistent, you can add the 1st of the above lines to your.bashrc
file. If you are using a different shell, you may have to modify the above command to make the environment variable known; see your shell’s documentation for how to do that.If you ever move your Sage installation, or install a new version into a new directory, you’ll need to update the above command to reflect the new value of
SAGE_ROOT
.The third (and best) way to make TeX aware of
sagetex.sty
is to copy that file into a convenient place in your home directory. In most TeX distributions, thetexmf
directory in your home directory is automatically searched for packages. To find out exactly what this directory is, do the following on the command line:$ kpsewhich -var-value=TEXMFHOME
which will print out a directory, such as
/home/drake/texmf
or/Users/drake/Library/texmf
. Copy thetex/
directory fromSAGE_ROOT/venv/share/texmf/
into your hometexmf
directory with a command like$ cp -R SAGE_ROOT/venv/share/texmf/tex TEXMFHOME
where
SAGE_ROOT
is, as usual, replaced with the location of your Sage installation andTEXMFHOME
is the result of thekpsewhich
command above.If you upgrade Sage and discover that SageTeX no longer works, you can simply repeat these steps and the Sage and TeX parts of SageTeX will again be synchronized.
For installation on a multiuser system, you just modify the above instructions appropriately to copy
sagetex.sty
into a systemwide TeX directory. Instead of the directoryTEXMFHOME
, probably the best choice is to use the result of$ kpsewhich -var-value=TEXMFLOCAL
which will likely produce something like
/usr/local/share/texmf
. Copy thetex
directory as above into theTEXMFLOCAL
directory. Now you need to update TeX’s database of packages, which you can do simply by running$ texhash TEXMFLOCAL
as root, replacing
TEXMFLOCAL
appropriately. Now all users of your system will have access to the LaTeX package, and if they can also run Sage, they will be able to use SageTeX.
Warning
it’s very important that the file sagetex.sty
that LaTeX uses when
typesetting your document match the version of SageTeX that Sage is
using. If you upgrade your Sage installation, you really should delete
all the old versions of sagetex.sty
floating around.
Because of this problem, we recommend copying the SageTeX files into your home directory’s texmf directory (the third method above). Then there is only one thing you need to do (copy a directory) when you upgrade Sage to insure that SageTeX will work properly.
SageTeX documentation#
While not strictly part of installation, it bears mentioning here that
the documentation for SageTeX is maintained in
SAGE_ROOT/venv/share/doc/sagetex/sagetex.pdf
. There is also an
example file in the same directory – see example.tex
and
example.pdf
, the pre-built result of typesetting that file with
LaTeX and Sage. You can also get those files from the SageTeX page.
SageTeX and TeXLive#
One potentially confusing issue is that the popular TeX distribution TeXLive includes SageTeX. This may seem nice, but with SageTeX, it’s important that the Sage bits and LaTeX bits be synchronized – which is a problem in this case, since TeXLive, as shipped by your OS distro, or package manager, might be out of sync with TeXLive distribution, and the latter might also be out of sync with the current SageTeX.
Because of this, it is strongly recommended that you always install the LaTeX part of SageTeX from Sage, as described above. The instructions above will insure that both halves of SageTeX are compatible and will work properly.


|
JavaTM 2 Platform Standard Ed. 5.0 |
|||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
public interface DataSource
A factory for connections to the physical data source that this
DataSource
object represents. An alternative to the
DriverManager
facility, a DataSource
object
is the preferred means of getting a connection. An object that implements
the DataSource
interface will typically be
registered with a naming service based on the
JavaTM Naming and Directory (JNDI) API.
The DataSource
interface is implemented by a driver vendor.
There are three types of implementations:
Connection
object
Connection
object that will automatically participate in connection pooling. This
implementation works with a middle-tier connection pooling manager.
Connection
object that may be used for distributed
transactions and almost always participates in connection pooling.
This implementation works with a middle-tier
transaction manager and almost always with a connection
pooling manager.
A DataSource
object has properties that can be modified
when necessary. For example, if the data source is moved to a different
server, the property for the server can be changed. The benefit is that
because the data source's properties can be changed, any code accessing
that data source does not need to be changed.
A driver that is accessed via a DataSource
object does not
register itself with the DriverManager
. Rather, a
DataSource
object is retrieved though a lookup operation
and then used to create a Connection
object. With a basic
implementation, the connection obtained through a DataSource
object is identical to a connection obtained through the
DriverManager
facility.
| Method Summary | |
|---|---|
Connection |
getConnection()
Attempts to establish a connection with the data source that this DataSource object represents. |
Connection |
getConnection(String username,
String password)
Attempts to establish a connection with the data source that this DataSource object represents. |
int |
getLoginTimeout()
Gets the maximum time in seconds that this data source can wait while attempting to connect to a database. |
PrintWriter |
getLogWriter()
Retrieves the log writer for this DataSource
object. |
void |
setLoginTimeout(int seconds)
Sets the maximum time in seconds that this data source will wait while attempting to connect to a database. |
void |
setLogWriter(PrintWriter out)
Sets the log writer for this DataSource
object to the given java.io.PrintWriter object. |
| Method Detail |
|---|
Connection getConnection() throws SQLException
Attempts to establish a connection with the data source that
this DataSource
object represents.
SQLException
- if a database access error occursConnection getConnection(String username, String password) throws SQLException
Attempts to establish a connection with the data source that
this DataSource
object represents.
username
- the database user on whose behalf the connection is
being madepassword
- the user's password
SQLException
- if a database access error occursPrintWriter getLogWriter() throws SQLException
Retrieves the log writer for this DataSource
object.
The log writer is a character output stream to which all logging
and tracing messages for this data source will be
printed. This includes messages printed by the methods of this
object, messages printed by methods of other objects manufactured
by this object, and so on. Messages printed to a data source
specific log writer are not printed to the log writer associated
with the java.sql.Drivermanager
class. When a
DataSource
object is
created, the log writer is initially null; in other words, the
default is for logging to be disabled.
SQLException
- if a database access error occurssetLogWriter(java.io.PrintWriter)
void setLogWriter(PrintWriter out) throws SQLException
Sets the log writer for this DataSource
object to the given java.io.PrintWriter
object.
The log writer is a character output stream to which all logging
and tracing messages for this data source will be
printed. This includes messages printed by the methods of this
object, messages printed by methods of other objects manufactured
by this object, and so on. Messages printed to a data source-
specific log writer are not printed to the log writer associated
with the java.sql.Drivermanager
class. When a
DataSource
object is created the log writer is
initially null; in other words, the default is for logging to be
disabled.
out
- the new log writer; to disable logging, set to null
SQLException
- if a database access error occursgetLogWriter()
void setLoginTimeout(int seconds) throws SQLException
Sets the maximum time in seconds that this data source will wait
while attempting to connect to a database. A value of zero
specifies that the timeout is the default system timeout
if there is one; otherwise, it specifies that there is no timeout.
When a DataSource
object is created, the login timeout is
initially zero.
seconds
- the data source login time limit
SQLException
- if a database access error occurs.getLoginTimeout()
int getLoginTimeout() throws SQLException
DataSource
object is created, the login timeout is
initially zero.
SQLException
- if a database access error occurs.setLoginTimeout(int)
|
JavaTM 2 Platform Standard Ed. 5.0 |
|||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
Copyright © 2004, 2010 Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.


Before Change
return hash((self.org, self.name))
def _compute_fingerprint(self):
return stable_json_sha1((self.org, self.name, self.rev))
def __ne__(self, other):
return not self.__eq__(other)
After Change
return hash((self.org, self.name))
def _compute_fingerprint(self):
data = (self.org, self.name)
// NB: The None occupies the legacy rev 3rd slot. The rev was never populated and always None,
// so maintaining the slot and its value just serve to preserve the fingerprint and thus
// containing targets in caches out in the world.
data += (None,)
if self.publication_metadata:
fingerprint = self.publication_metadata.fingerprint()
if fingerprint:
data += (fingerprint,)
return stable_json_sha1(data)
def __ne__(self, other):
return not self.__eq__(other)


Item 15.
Two bars, one for the United States and one for Great Britain. Each bar is divided proportionally using the number of households with 0, 1, 2, 3, 4, or 5 or more vehicles in each country. The data shown in the chart is the data in this table:| Percentage of Households | ||
|---|---|---|
| Number of vehicles | Great Britain | United States |
| 0 | 25% | 9% |
| 1 | 43% | 32% |
| 2 | 23% | 37% |
| 3 | 6% | 15% |
| 4 | 2% | 5% |
| 5+ | 1% | 2% |


| I l@ve RuBoard |
21.6 But What About That Bottleneck?Back to our original question: how can the act of writing software be made easier? At some level, Python is really "just another computer language." It's certainly true that Python the language doesn't represent much that's radically new from a theoretical point of view. So why should we be excited about Python when so many languages have been tried already? What makes Python of interest, and what may be its larger contribution to the development world, is not its syntax or semantics, but its world view: Python's combination of tools makes rapid development a realistic goal. In a nutshell, Python fosters rapid development by providing features like these:
Specifically, Python attacks the software development bottleneck on four fronts, described in the following sections. 21.6.1 Python Provides Immediate TurnaroundPython's development cycle is dramatically shorter than that of traditional tools. In Python, there are no compile or link steps -- Python programs simply import modules at runtime and use the objects they contain. Because of this, Python programs run immediately after changes are made. And in cases where dynamic module reloading can be used, it's even possible to change and reload parts of a running program without stopping it at all. Figure 21-1 shows Python's impact on the development cycle. Figure 21-1. Development cyclesBecause Python is interpreted, there's a rapid turnaround after program changes. And because Python's parser is embedded in Python-based systems, it's easy to modify programs at runtime. For example, we saw how GUI programs developed with Python allow developers to change the code that handles a button press while the GUI remains active; the effect of the code change may be observed immediately when the button is pressed again. There's no need to stop and rebuild. More generally, the entire development process in Python is an exercise in rapid prototyping. Python lends itself to experimental, interactive program development, and encourages developing systems incrementally by testing components in isolation and putting them together later. In fact, we've seen that we can switch from testing components (unit tests) to testing whole systems (integration tests) arbitrarily, as illustrated in Figure 21-2. Figure 21-2. Incremental development21.6.2 Python Is "Executable Pseudocode"Python's very high-level nature means there's less for us to program and manage. Lack of compile and link steps isn't really enough to address the development- cycle bottleneck by itself. For instance, a C or C++ interpreter might provide fast turnaround but still be almost useless for rapid development: the language is too complex and low-level. But because Python is also a simple language, coding is dramatically faster too. For example, its dynamic typing, built-in objects, and garbage collection eliminate much of the manual bookkeeping code required in lower-level languages such as C and C++. Since things like type declarations, memory management, and common data structure implementations are all conspicuously absent, Python programs are typically a fraction of the size of their C or C++ equivalents. There's less to write and read, and thus less opportunity for coding errors. Because most bookkeeping code is missing, Python programs are easier to understand and more closely reflect the actual problem they're intended to address. And Python's high-level nature not only allows algorithms to be realized more quickly, but also makes it easier to learn the language. 21.6.3 Python Is OOP Done RightFor OOP to be useful, it must be easy to apply. Python makes OOP a flexible tool by delivering it in a dynamic language. More importantly, its class mechanism is a simplified subset of C++'s, and it's this simplification that makes OOP useful in the context of a rapid-development tool. For instance, when we looked at data structure classes in this book, we saw that Python's dynamic typing let us apply a single class to a variety of object types; we didn't need to write variants for each supported type. In fact, Python's OOP is so easy to use that there's really no reason not to apply it in most parts of an application. Python's class model has features powerful enough for complex programs, yet because they're provided in simple ways, they don't interfere with the problem we're trying to solve. 21.6.4 Python Fosters Hybrid ApplicationsAs we've seen earlier in this book, Python's extending and embedding support makes it useful in mixed-language systems. Without good integration facilities, even the best rapid-development language is a "closed box" and not generally useful in modern development environments. But Python's integration tools make it usable in hybrid, multicomponent applications. As one consequence, systems can simultaneously utilize the strengths of Python for rapid development, and of traditional languages such as C for rapid execution. While it's possible to use Python as a standalone tool, it doesn't impose this mode. Instead, Python encourages an integrated approach to application development. By supporting arbitrary mixtures of Python and traditional languages, Python fosters a spectrum of development paradigms, ranging from pure prototyping to pure efficiency. Figure 21-3 shows the abstract case. Figure 21-3. The development mode "slider"As we move to the left extreme of the spectrum, we optimize speed of development. Moving to the right side optimizes speed of execution. And somewhere in between is an optimum mix for any given project. With Python, not only can we pick the proper mix for our project, but we can also later move the RAD slider in the picture arbitrarily as our needs change:
This flexibility of development modes is crucial in realistic environments. Python is optimized for speed of development, but that alone isn't enough. By themselves, neither C nor Python is adequate to address the development bottleneck; together, they can do much more. As shown in Figure 21-4, for instance, apart from standalone use, one of Python's most common roles splits systems into frontend components that can benefit from Python's ease-of use and backend modules that require the efficiency of static languages like C, C++, or FORTRAN. Whether we add Python frontend interfaces to existing systems or design them in early on, such a division of labor can open up a system to its users without exposing its internals. Figure 21-4. Hybrid designsWhen developing new systems, we also have the option of writing entirely in Python at first and then optimizing as needed for delivery by moving performance-critical components to compiled languages. And because Python and C modules look the same to clients, migration to compiled extensions is transparent. Prototyping doesn't make sense in every scenario. Sometimes splitting a system into a Python frontend and a C/C++ backend up front works best. And prototyping doesn't help much when enhancing existing systems. But where it can be applied, early prototyping can be a major asset. By prototyping in Python first, we can show results more quickly. Perhaps more critically, end users can be closely involved in the early stages of the process, as sketched in Figure 21-5. The result is systems that more closely reflect their original requirements. Figure 21-5. Prototyping with Python |
| I l@ve RuBoard |


Uer can submit a form object that includes a file upload.
When user submit something, the user will receive the file name, and size in bytes within the JSON response.
Example: { "name": "seven7.jpg","type": "image/jpeg","size": 18830 }
Please Upload a File ...
Made with by Suresh Mangs


If you want to contact me, please email or call me!
Call this number
010 - 2274 - 9057
We met < href="https://twitter.com/charlieputh?ref_src=twsrc%5Etfw">@charlieputh> @fukushi_staff pic.twitter.com/oTGCGAcIy9
— 방탄소년단 (@BTS_twt) November 6, 2018


{% extends "main_template.html" %} {% load static %} {% block over_view_contact %}
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{% endblock %}


|
| | Builder (TJsonWriter component) |
| |
| virtual TBuilder | RootProperty (string rootProperty) |
| | The HTTP parameter name by which JSON encoded records will be passed to the server if the encode option is true . More...
|
| |
| virtual TBuilder | Encode (bool encode) |
| | Configure true to send record data (all record fields if writeAllFields is true ) as a JSON encoded HTTP parameter named by the root configuration. More...
|
| |
| virtual TBuilder | AllowSingle (bool allowSingle) |
| | False to ensure that records are always wrapped in an array, even if there is only one record being sent. When there is more than one record, they will always be encoded into an array. More...
|
| |
| virtual TBuilder | ExpandData (bool expandData) |
| |
| | Builder () |
| |
| | Builder (JsonWriter component) |
| |
| | Builder (JsonWriter.Config config) |
| |
| | Builder (TAbstractWriter component) |
| |
| virtual TBuilder | AllDataOptions (Action< DataOptions > action) |
| | This object contains the options passed to Ext.data.Model.getData when writing Ext.data.Model.phantom records or when writeAllFields is set to true. More...
|
| |
| virtual TBuilder | NameProperty (string nameProperty) |
| | This property is used to read the key for each value that will be sent to the server. More...
|
| |
| virtual TBuilder | WriteAllFields (bool writeAllFields) |
| | True to write all fields from the record to the server. If set to false it will only send the fields that were modified. Defaults to false. More...
|
| |
| virtual TBuilder | GetRecordData (Action< JFunction > action) |
| | Formats the data for each record before sending it to the server. This method should be overridden to format the data in a way that differs from the default. More...
|
| |
| virtual TBuilder | FilterRecord (Action< JFunction > action) |
| |
| virtual TBuilder | FilterField (Action< JFunction > action) |
| |
| virtual TBuilder | Prepare (Action< JFunction > action) |
| |
| virtual TBuilder | ExcludeId (bool excludeId) |
| |
| virtual TBuilder | SkipIdForPhantomRecords (bool skipIdForPhantomRecords) |
| |
| virtual TBuilder | SkipPhantomId (bool skipPhantomId) |
| |
| virtual TBuilder | HtmlEncode (bool htmlEncode) |
| | Configure true to encode html in record data before sending More...
|
| |
| virtual TBuilder | ClientIdProperty (string clientIdProperty) |
| | When specified this property causes the Ext.data.Model.idProperty of newly created records to be sent to the server as this name instead of the value of the idProperty. More...
|
| |
| virtual TBuilder | DateFormat (string dateFormat) |
| |
| virtual TBuilder | PartialDataOptions (Action< DataOptions > action) |
| | This object contains the options passed to Ext.data.Model.getData when writing non Ext.data.Model.phantom records or when writeAllFields is set to false. More...
|
| |
| virtual TBuilder | Transform (Action< TransformFunction > action) |
| | If a transform function is set, it will be invoked just before writeRecords executes. It is passed the unserialized data object and the request object. The transform function returns a data object, which can be a modified version of the original data object, or a completely new data object. The transform can be a function, or an object with a 'fn' key and an optional 'scope' key. More...
|
| |
| virtual TBuilder | WriteRecordId (bool writeRecordId) |
| |


|
|||||||||||
| PREV NEXT | FRAMES NO FRAMES |
| Packages that use ProxyPreparer | |
| com.sun.jini.start | Provides the utilities and APIs used to launch the contributed services provided in the Jini(TM) Technology Starter Kit (starter kit). |
| net.jini.security | Provides mechanisms and abstractions for managing security, especially in the presence of dynamically downloaded code. |
| Uses of ProxyPreparer in com.sun.jini.start |
| Methods in com.sun.jini.start that return ProxyPreparer | |
ProxyPreparer |
SharedActivatableServiceDescriptor.getInnerProxyPreparer()
ProxyPreparer accessor method. |
ProxyPreparer |
NonActivatableServiceDescriptor.getServicePreparer()
ProxyPreparer accessor method. |
| Methods in com.sun.jini.start with parameters of type ProxyPreparer | |
void |
SharedActivatableServiceDescriptor.setInnerProxyPreparer(ProxyPreparer pp)
Sets the inner ProxyPreparer for this descriptor.
|
void |
NonActivatableServiceDescriptor.setServicePreparer(ProxyPreparer serviceProxyPreparer)
Sets the ProxyPreparer for this descriptor.
|
| Constructors in com.sun.jini.start with parameters of type ProxyPreparer | |
SharedActivatableServiceDescriptor(String exportCodebase,
String policy,
String importCodebase,
String implClassName,
String sharedGroupLog,
String[] serverConfigArgs,
ProxyPreparer innerProxyPreparer,
ProxyPreparer outerProxyPreparer,
boolean restart)
Convenience constructor. |
|
SharedActivatableServiceDescriptor(String exportCodebase,
String policy,
String importCodebase,
String implClassName,
String sharedGroupLog,
String[] serverConfigArgs,
ProxyPreparer innerProxyPreparer,
ProxyPreparer outerProxyPreparer,
boolean restart,
String host,
int port)
Main constructor. |
|
NonActivatableServiceDescriptor(String exportCodebase,
String policy,
String importCodebase,
String implClassName,
String[] serverConfigArgs,
LifeCycle lifeCycle,
ProxyPreparer preparer)
Main constructor. |
|
NonActivatableServiceDescriptor(String exportCodebase,
String policy,
String importCodebase,
String implClassName,
String[] serverConfigArgs,
ProxyPreparer preparer)
Convenience constructor. |
| Uses of ProxyPreparer in net.jini.security |
| Classes in net.jini.security that implement ProxyPreparer | |
class |
BasicProxyPreparer
A ProxyPreparer for verifying that proxies are trusted,
granting them dynamic permissions, and setting their constraints, as well as
for creating other proxy preparer subclasses that include those
operations. |
class |
VerifyingProxyPreparer
A ProxyPreparer for verifying that proxies are trusted,
dynamically granting permissions to trusted proxies, and optionally
setting the client constraints on trusted proxies. |
|
|||||||||||
| PREV NEXT | FRAMES NO FRAMES |


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ro
Brush (TElement)
Center (TClock)
Control (TElement)
pl
Diameter (TClock)
pt
ElementCount (TDrawing)
ElementList (TDrawing)
Elements (TDrawing)
Frame (TClock)
HourPtr (TClock)
MinPtr (TClock)
Pen (TElement)
Radius (TClock)
Scale (TClock)
SecPtr (TClock)
Time (TClock)


process_open_write(3fm) - [M_process] open a process for writing using a
POSIX interface
(LICENSE:PD)
subroutine process_open_write(cmd,fp,ierr)
character(len=*) :: cmd
type(streampointer) :: fp
integer :: ierr
The M_process Fortran procedures use the ISO_C_BINDING interface to define Fortran-callable versions of the C procedures popen(3c)/pclose(3c) and fgets(3c)/fputs(3c). A set of record-oriented wrapper routines are then used to create a simple Fortran-callable interface.
A POSIX C interface is generally available but may require using a Linux subwindow or an application such as CygWin on MSWindows platforms.
See “M_process” for an extended description.
cmd command passed to system to start process
fp C file pointer returned by process_open_*()
ierr error flag returned.
o process_writeline(3f) : negative indicates an error
o process_readline(3f) : Non-zero indicates an error
maximum character value length is currently 4096
This example shows a routine to write lines to the stdin of a system process
program demo_process_open_write use, intrinsic :: iso_fortran_env, only : & & stdin=>input_unit, & & stdout=>output_unit, & & stderr=>error_unit use M_process ,ONLY: process_open_write, process_writeline use M_process ,ONLY: streampointer, process_close implicit none type(streampointer) :: fp ! line of data to write character(len=4096) :: line integer :: ierr integer :: i ! open process to write to call process_open_write(‘cat -n’,fp,ierr) write(stdout,)’OPENWTEST: process is opened with status ‘,ierr ! remember C and Fortran I/O are often independent of each other flush(stdout) ierr=0 line=’xxxxxxxxxxxxxxxxxxxxxxxxxxx’ do i=1,10 ! write a line to the process call process_writeline(trim(line),fp,ierr) if(ierr.lt.0)then write(stdout,)’OPENWTEST: ierr is ‘,ierr exit endif enddo call process_close(fp,ierr) write(stdout,*)’OPENWTEST: process closed with status ‘,ierr end program demo_process_open_write
Sample output:
OPENWTEST: process is opened with status 0 1 xxxxxxxxxxxxxxxxxxxxxxxxxxx 2 xxxxxxxxxxxxxxxxxxxxxxxxxxx 3 xxxxxxxxxxxxxxxxxxxxxxxxxxx 4 xxxxxxxxxxxxxxxxxxxxxxxxxxx 5 xxxxxxxxxxxxxxxxxxxxxxxxxxx 6 xxxxxxxxxxxxxxxxxxxxxxxxxxx 7 xxxxxxxxxxxxxxxxxxxxxxxxxxx 8 xxxxxxxxxxxxxxxxxxxxxxxxxxx 9 xxxxxxxxxxxxxxxxxxxxxxxxxxx 10 xxxxxxxxxxxxxxxxxxxxxxxxxxx OPENWTEST: process closed with status 0
o PIPES: pipe(3c), popen(3c), pclose(3c), fflush(3c)
o NAMED PIPES: mkfifo(3c), mknod(3c)
o SUBPROCESSES: fork(3c)
o OTHER: fflush(3c)
John S. Urban
Public Domain
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| character(len=*), | intent(in) | :: | cmd | |||
| type(streampointer), | intent(out) | :: | fp | |||
| integer, | intent(out) | :: | ierr |
subroutine process_open_write(cmd,fp,ierr)
! ident_3="@(#)M_process::process_open_write(3f): open process to write to"
! shell command to start process with
character(len=*),intent(in) :: cmd
! file pointer returned for process
type(streampointer),intent(out) :: fp
! status for attempt to open process (0= no error)
integer,intent(out) :: ierr
! read/write mode parameter to pass to popen(3c)
character(len=3),parameter :: mode='w'
!-------------------------------------------------------------------------------
ierr=0
call process_open(cmd,mode,fp,ierr)
end subroutine process_open_write


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18-year-old man shot in Seattle’s Rainier Valley; police warn of traffic delays while officers investigate
by Sara Jean GreenSeattle police are investigating a shooting in the Rainier Valley and are warning motorists to expect traffic delays.
Seattle Fire Department (SFD) medics transported an 18-year-old man who suffered a gunshot wound to Harborview Medical Center in stable condition, said spokeswoman Kristin Tinsley.
The shooting occurred around 4:20 p.m. Tuesday outside the Rainier Beach Community Center at 8825 Rainier Ave. S., north of South Henderson Street, according to SFD’s online database of 911 responses.
According to Seattle police, the shooting suspects have fled the area. Detectives assigned to the department’s gang unit are investigating.
In addition to traffic delays while the investigation unfolds, King County Metro announced on Twitter that it also expected transit delays because of the shooting.
Sara Jean Green:<PHONE_NUMBER> or<EMAIL_ADDRESS>on Twitter: @SJGTimes.


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We can represent a rectangle by knowing three things: the location of its lower left corner, its width, and its height. Create a class definition for a Rectangle class using this idea. To create a Rectangle object at location (4,5) with width 6 and height 5, we would do the following:
r = Rectangle(Point(4, 5), 6, 5)
Add the following accessor methods to the Rectangle class: getWidth, getHeight, __str__.
Add a method area to the Rectangle class that returns the area of any instance:
r = Rectangle(Point(0, 0), 10, 5)
test(r.area(), 50)
Write a perimeter method in the Rectangle class so that we can find the perimeter of any rectangle instance:
r = Rectangle(Point(0, 0), 10, 5)
test(r.perimeter(), 30)
Write a transpose method in the Rectangle class that swaps the width and the height of any rectangle instance:
r = Rectangle(Point(100, 50), 10, 5)
test(r.width, 10)
test(r.height, 5)
r.transpose()
test(r.width, 5)
test(r.height, 10)
Write a new method in the Rectangle class to test if a Point falls within the rectangle. For this exercise, assume that a rectangle at (0,0) with width 10 and height 5 has open upper bounds on the width and height, i.e. it stretches in the x direction from [0 to 10), where 0 is included but 10 is excluded, and from [0 to 5) in the y direction. So it does not contain the point (10, 2). These tests should pass:
r = Rectangle(Point(0, 0), 10, 5)
test(r.contains(Point(0, 0)), True)
test(r.contains(Point(3, 3)), True)
test(r.contains(Point(3, 7)), False)
test(r.contains(Point(3, 5)), False)
test(r.contains(Point(3, 4.99999)), True)
test(r.contains(Point(-3, -3)), False)
Write a new method called diagonal that will return the length of the diagonal that runs from the lower left corner to the opposite corner.
In games, we often put a rectangular “bounding box” around our sprites in the game. We can then do collision detection between, say, bombs and spaceships, by comparing whether their rectangles overlap anywhere.
Write a function to determine whether two rectangles collide. Hint: this might be quite a tough exercise! Think carefully about all the cases before you code.


Convenience case class since (clientId, brokerInfo) pairs are used to create SyncProducer Request Stats and SimpleConsumer Request and Response Stats.
Convenience case class since (clientId, topic) pairs are used in the creation of many Stats objects.
Thrown when a request is made for broker but no brokers with that topic exist.
Indicates a producer pool initialization problem
Thrown when there is a failure to generate a zookeeper sequenceId to use as brokerId
Indicates the brokerId stored in logDirs is not consistent across logDirs.
Indicates that the given config parameter has invalid value
Indicates the client has requested a range no longer available on the server
Generic Kafka exception
Kafka exception caused by real IOs.
This exception is thrown when new leader election is not necessary.
Thrown when a request is made for partition, but no leader exists for that partition
Thrown when a log cleaning task is requested to be aborted.
Indicates a createMessageStreams can't be called more thane once
Thrown when a request is made for broker but no brokers with that topic exist.
Thrown when a get epoch request is made for partition, but no epoch exists for that partition
Number of insync replicas for the partition is lower than min.
This exception is thrown by the leader elector in the controller when leader election fails for a partition since all the leader candidate replicas for a partition are offline; the set of candidates may or may not be limited to just the in sync replicas depending upon whether unclean leader election is allowed to occur.
Number of insync replicas for the partition is lower than min.
Message was rejected because number of insync replicas for the partition is lower than min.
Thrown when a request is made for partition on a broker that is NOT a leader for that partition
Indicates the client has specified offset metadata that exceeds the configured maximum size in bytes
Indicates the client has requested a range no longer available on the server
Indicates that offsets are currently being loaded from disk into the cache so offset fetch requests cannot be satisfied.
Thrown when a request is made for partition, but no leader exists for that partition
Thrown when a produce request times out - i.

Convenience case class since (topic, partition) pairs are ubiquitous.
Indicates a producer pool initialization problem
Indicates the client has requested a range no longer available on the server
If we don't know what else it is, call it this
Indicates the client has requested a range no longer available on the server
Indicates one of the following situation: 1.
A bi-directional mapping between error codes and exceptions


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