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Parallel search header.
More...
#include "util.h"
#include "const.h"
#include "settings.h"
#include <stdbool.h>
Go to the source code of this file.
Functions |
| void | node_init (Node *, struct Search *, const int, const int, const int, const int, Node *) |
| | Initialize a node.
|
| void | node_free (Node *) |
| | Free Resources allocated by a node.
|
| bool | node_split (Node *, struct Move *) |
| | Node split.
|
| void | node_stop_slaves (Node *) |
| void | node_wait_slaves (Node *) |
| | Wait for slaves termination.
|
| void | node_update (Node *, struct Move *) |
| | Update a node.
|
| struct Move * | node_first_move (Node *, struct MoveList *) |
| | Get the first move of the move list.
|
| struct Move * | node_next_move (Node *) |
| | Get the next move of the move list.
|
| void * | task_loop (void *) |
| | The main loop runned by a task.
|
| void * | task_help (void *) |
| void | task_init (Task *) |
| | Initialize a task.
|
| void | task_free (Task *) |
| | Free resources used by a task.
|
| void | task_update (Task *) |
| void | task_search (Task *task) |
| | A parallel search within a Task structure.
|
| void | task_stack_init (TaskStack *, const int) |
| | Initialize the stack of tasks.
|
| void | task_stack_free (TaskStack *) |
| | Free resources used by the stack of tasks.
|
| void | task_stack_resize (TaskStack *, const int) |
| | Free resources used by the stack of tasks.
|
| void | task_stack_stop (TaskStack *, const Stop) |
| Task * | task_stack_get_idle_task (TaskStack *) |
| | Return, if available, an idle task.
|
| void | task_stack_put_idle_task (TaskStack *, Task *) |
| | Put back an idle task after using it.
|
| void | task_stack_clear (TaskStack *) |
| unsigned long long | task_stack_count_nodes (TaskStack *) |
Detailed Description
Parallel search header.
- Date:
- 1998 - 2012
- Author:
- Richard Delorme
- Version:
- 4.3
Typedef Documentation
A Node is a position in the search tree, containing information shared with parallel threads.
A Task is a parallel search thread.
Function Documentation
Get the first move of the move list.
This is thread/safe getter of the first move. If the search is stopped, or an alphabeta cut has been found or no move is available the function returns NULL.
- Parameters:
-
| node | Node data. |
| movelist | List of moves. |
- Returns:
- the first move of the list or NULL if none is available.
| void node_free |
( |
Node * |
node | ) |
|
Free Resources allocated by a node.
- Parameters:
-
| void node_init |
( |
Node * |
node, |
|
|
Search * |
search, |
|
|
const int |
alpha, |
|
|
const int |
beta, |
|
|
const int |
depth, |
|
|
const int |
n_moves, |
|
|
Node * |
parent |
|
) |
| |
Initialize a node.
Initialize the various members of the node structure. The important part of the initialization establishes a master-slave relashionship between this node (the slave) and its parent (the master).
- Parameters:
-
| node | A potentially shared position. |
| search | The position searched |
| alpha | lower score bound. |
| beta | upper score bound. |
| depth | depth. |
| n_moves | Move count. |
| parent | The parent node. |
| struct Move* node_next_move |
( |
Node * |
node | ) |
|
|
read |
Get the next move of the move list.
This is a thread/safe getter of the next move.
- Parameters:
-
- Returns:
- the next move of the list.
| bool node_split |
( |
Node * |
node, |
|
|
Move * |
move |
|
) |
| |
Node split.
Here is the heart of the YBWC algorithm. It splits a node into two tasks. Splitting occurs if the following conditions are met:
- the first move has been already searched. The main principle of the YBWC algorithm. It avoids to split a cut-type node, for which searching a single move is enough, and thus diminish search-overhead.
- search to do is deep enough. In order to diminish the overhead of the parallelism. Can be tuned through SPLIT_MIN_DEPTH.
- the node has not been splitted yet. For a single position, only two tasks can run in parallel. The idea is to favor splitting elsewhere in the tree.
- This is not the last move. The idea is to lose less time in waiting for the parallel task to terminate. Can be tuned through SPLIT_MIN_MOVES_TODO. If these conditions are met, an idle task is requested, first from an idle task of a parent node; then, if none is available, from the idle task stack storage. If no idle task is found, the node splitting fails.
- Parameters:
-
| node | Master node to split. |
| move | move to search. |
- Returns:
- true if the split was a success, false otherwise.
| void node_stop_slaves |
( |
Node * |
| ) |
|
| void node_update |
( |
Node * |
node, |
|
|
Move * |
move |
|
) |
| |
Update a node.
Update bestmove, bestscore and alpha value of the node, in case the move is the bestmove found so far. The function is thread-safe although it updates a shared resource. Double check lock is used as an optimization.
- Parameters:
-
| node | current node. |
| move | last evaluated move. |
| void node_wait_slaves |
( |
Node * |
node | ) |
|
Wait for slaves termination.
Actually, three steps are performed here:
- Stop slaves node in case their scores are unneeded.
- Wait for slaves' termination.
- Wake-up the master thread that may have been stopped.
- Parameters:
-
| void task_free |
( |
Task * |
task | ) |
|
Free resources used by a task.
- Parameters:
-
| void* task_help |
( |
void * |
| ) |
|
| void task_init |
( |
Task * |
task | ) |
|
Initialize a task.
Initialize task data members and start the task main loop task_loop() within a thread.
- Parameters:
-
| void* task_loop |
( |
void * |
param | ) |
|
The main loop runned by a task.
When task->run is set to true, the task starts a parallel search. In order to diminish the parallelism overhead, we do not launch a new thread at each new splitted node. Instead the threads are created at the beginning of the program and run a waiting loop who enters/quits a parallel search when requested.
- Parameters:
-
- Returns:
- NULL.
| void task_search |
( |
Task * |
task | ) |
|
A parallel search within a Task structure.
Here we share the search with a main parent task.
- Parameters:
-
| task | The task to search with. |
| unsigned long long task_stack_count_nodes |
( |
TaskStack * |
| ) |
|
Free resources used by the stack of tasks.
- Parameters:
-
Return, if available, an idle task.
- Parameters:
-
- Returns:
- An idle task.
| void task_stack_init |
( |
TaskStack * |
stack, |
|
|
const int |
n |
|
) |
| |
Initialize the stack of tasks.
- Parameters:
-
| stack | The stack of tasks. |
| n | Stack size (number of tasks). |
Put back an idle task after using it.
- Parameters:
-
| stack | The stack of tasks. |
| task | An idle task. |
| void task_stack_resize |
( |
TaskStack * |
stack, |
|
|
const int |
n |
|
) |
| |
Free resources used by the stack of tasks.
- Parameters:
-
| stack | Stack to resize. |
| n | New stack size. |
| void task_update |
( |
Task * |
| ) |
|


com.hp.hpl.jena.rdf.arp
Interface ARPErrorNumbers
- All Known Implementing Classes:
- ARPOptions, DOM2Model, JenaReader, NTriple, ParseException, SAX2Model, SAX2RDF, com.hp.hpl.jena.rdf.arp.impl.SAX2RDFImpl, com.hp.hpl.jena.rdf.arp.impl.XMLHandler
public interface ARPErrorNumbers
Error numbers used by ARP.
- Author:
- jjc
|
Field Summary |
static int |
EM_ERROR
Used as ErrorMode to report error, and not generate associated triples. |
static int |
EM_FATAL
Used as ErrorMode to stop processing after reporting error. |
static int |
EM_IGNORE
Used as ErrorMode to not report an error. |
static int |
EM_WARNING
Used as ErrorMode to report warning and continue processing. |
static int |
ERR_ABOUTEACH_NOT_TOPLEVEL
Deprecated. No longer occurs. Any use of rdf:aboutEach is a syntax error. |
static int |
ERR_BAD_RDF_ATTRIBUTE
An attribute name in the RDF namespace has been
used that is reserved as an RDF name, but not as an attribute. |
static int |
ERR_BAD_RDF_ELEMENT
An element is tagged rdf:XXX where XXX is an RDF attribute name. |
static int |
ERR_ENCODING_MISMATCH
ARP was called with an InputSteamReader or a FileReader which used
an encoding differnt from that in the XML declaration. |
static int |
ERR_GENERIC_IO
An IOException occurred. |
static int |
ERR_INTERNAL_ERROR
Deprecated. No longer used. |
static int |
ERR_INTERRUPTED
The Thread was interrupted. |
static int |
ERR_LI_AS_TYPE
rdf:li is being used in the typed node construction. |
static int |
ERR_NOT_WHITESPACE
Non-white character data has occurred where the RDF grammar
does not permit it. |
static int |
ERR_RESOLVING_AGAINST_MALFORMED_BASE
Cannot resolve a relative URI, because base URI is malformed. |
static int |
ERR_RESOLVING_AGAINST_RELATIVE_BASE
Cannot resolve a relative URI, because base URI is relative. |
static int |
ERR_RESOLVING_URI_AGAINST_NULL_BASE
A base URI was required but not given. |
static int |
ERR_SAX_ERROR
The SAX Parser generated an error. |
static int |
ERR_SAX_FATAL_ERROR
The SAX Parser generated a fatal error. |
static int |
ERR_STRING_NOT_NORMAL_FORM_C
Deprecated. See 2nd Last Call docs
* (E207). |
static int |
ERR_SYNTAX_ERROR
The attributes or element tags contravene the RDF grammar. |
static int |
ERR_UNABLE_TO_RECOVER
Deprecated. Not used. |
static int |
ERR_URI_NOT_NORMAL_FORM_C
Deprecated. WG decision on williams-01. |
static int |
ERR_UTF_ENCODING
The document claimed to be UTF-8 but was not. |
static int |
IGN_DAML_COLLECTION
The use of rdf:parseType="daml:collection" does
not conform with RDF2004. |
static int |
IGN_NO_BASE_URI_SPECIFIED
Indicates that no name is known for the current file being parsed. |
static int |
IGN_PRIVATE_XMLLANG
An xml:lang attribute uses one or more of the extension
facilities in RFC3066 or ISO639. |
static int |
IGN_XMLBASE_SIGNIFICANT
Indicates that somewhere,
an xml:base attribute has been used and
changes the interpretation of some URI (either through a
relative URI-reference or rdf:ID). |
static int |
IGN_XMLBASE_USED
Indicates that somewhere, other than in an XML Literal
an xml:base attribute has been used. |
static int |
WARN_BAD_NAME
An ID symbol or other grammar production that should be an
XML name is malformed. |
static int |
WARN_BAD_NAMESPACE_URI
Some xmlns declaration has a non-URI as its right hand side. |
static int |
WARN_BAD_RDF_NAMESPACE_URI
Within RDF, it is not permitted to define an
XML namespace that has a namespace URI with the
RDF namespace URI as a proper prefix. |
static int |
WARN_BAD_XML
Deprecated. |
static int |
WARN_BAD_XML_NAMESPACE_URI
Within RDF, it is not permitted to define an
XML namespace that has a namespace URI with the XML
namespace URI as a proper prefix. |
static int |
WARN_BAD_XMLLANG
The value of an xml:lang attribute while syntactically conforming
to RFC3066 does not conform with other rules, possibly through not
being listed in ISO639 or ISO3166 or the IANA language tag
registry. |
static int |
WARN_BIG_FILE
After 10000 rdf:ID attributes have been
read, ARP no longer checks for
WARN_REDEFINITION_OF_ID . |
static int |
WARN_DEPRECATED_XMLLANG
The value of an xml:lang attribute has been deprecated by IANA (W117). |
static int |
WARN_ENCODING_MISMATCH
ARP was called with an InputSteamReader or a FileReader which used
an encoding differnt from that in the XML declaration. |
static int |
WARN_IN_STRICT_MODE
This is an internal only field, not intended for public use. |
static int |
WARN_LEGAL_REUSE_OF_ID
Deprecated. Last supported in Jena 2.1 - too expensive. |
static int |
WARN_MALFORMED_URI
A URI reference does not conform to the definition of RDF URI Reference. |
static int |
WARN_MALFORMED_XMLLANG
The value of an xml:lang attribute does not conform to the
syntactic rules of RFC3066. |
static int |
WARN_MINOR_INTERNAL_ERROR
Deprecated. No longer used. |
static int |
WARN_NON_IANA_ENCODING
The character encoding in the XML declaration is not
registered with IANA. |
static int |
WARN_NONCANONICAL_IANA_NAME
The encoding in the XML declaration is an alias
registered with IANA. |
static int |
WARN_NOT_RDF_NAMESPACE
It seems likely that the namespace for rdf: has a typo in it. |
static int |
WARN_PROCESSING_INSTRUCTION_IN_RDF
An XML processing instruction occurred in RDF content. |
static int |
WARN_QNAME_AS_ID
Deprecated. Superceded by the more general WARN_BAD_NAME |
static int |
WARN_RDF_NN_AS_TYPE
rdf:_NNN is being used in the typed node construction. |
static int |
WARN_REDEFINITION_OF_ID
The same name has been used for more than one rdf:ID or rdf:bagID,
in the context of the same xml:base (if any). |
static int |
WARN_RELATIVE_NAMESPACE_URI_DEPRECATED
A namespace has been declared with a relative URI. |
static int |
WARN_RELATIVE_URI
A URI reference which is a relative reference
has been used either as the starting base URI
or as the outcome of a URI resolution somehow. |
static int |
WARN_RESOLVING_URI_AGAINST_EMPTY_BASE
A base URI was required but "" was given. |
static int |
WARN_SAX_WARNING
The SAX Parser generated a warning. |
static int |
WARN_STRING_COMPOSING_CHAR
String Literals in RDF should not start with a composing char,
as defined by the CharacterModel working draft. |
static int |
WARN_STRING_NOT_NORMAL_FORM_C
String Literals in RDF should be in Unicode Normal Form C
* (W131). |
static int |
WARN_UNKNOWN_PARSETYPE
An unrecognised value for rdf:parseType has been found. |
static int |
WARN_UNKNOWN_RDF_ATTRIBUTE
An attribute name in the RDF namespace has been
used that is not a reserved RDF attribute name. |
static int |
WARN_UNKNOWN_RDF_ELEMENT
An element is tagged rdf:XXX where XXX is not a recognised RDF element name. |
static int |
WARN_UNKNOWN_XML_ATTRIBUTE
An attribute from the xml namespace has been used that is not
recognised. |
static int |
WARN_UNQUALIFIED_ATTRIBUTE
Some attribute that is not an RDF keyword is used in an
unqualified fashion. |
static int |
WARN_UNQUALIFIED_ELEMENT
An element tag is not a qualified name. |
static int |
WARN_UNQUALIFIED_RDF_ATTRIBUTE
A standard rdf attribute like type or about is used
without a namespace qualifier. |
static int |
WARN_UNSUPPORTED_ENCODING
The character encoding in the XML declaration is not
fully supported. |
static int |
WARN_URI_COMPOSING_CHAR
Deprecated. WG decision on williams-01. |
static int |
WARN_XMLBASE_MISSING
Deprecated. IGN_NO_BASE_URI_SPECIFIED |
EM_IGNORE
static final int EM_IGNORE
- Used as ErrorMode to not report an error.
- See Also:
ARPOptions.setErrorMode(int, int)
,
Constant Field Values
EM_WARNING
static final int EM_WARNING
- Used as ErrorMode to report warning and continue processing.
- See Also:
ARPOptions.setErrorMode(int, int)
,
Constant Field Values
EM_ERROR
static final int EM_ERROR
- Used as ErrorMode to report error, and not generate associated triples.
In the event of an error (i.e. a condition with this error mode),
no further triples involving the resources and literals associated with the error are created.
The precise definition of 'associated with' is deliberately
undefined, and may change in future releases.
When the file includes fatal error conditions the parsing is aborted immediately after such an error.
Otherwise, it is possible to see all the triples, including those involving resources and literals associated with any condition, by ensuring that the error mode of every error code is WARNING or IGNORE. (i.e. ARP optionally permits all errors to be downgraded to warnings, or to be ignored).
In this case, the precise rules which ARP uses to generate triples for ill-formed input are not defined by any standard and are subject to change with future releases.
For input involving no errors, ARP creates triples in accordance with the RDF/XML Syntax Revised Recommendation.
- See Also:
ARPOptions.setErrorMode(int, int)
,
Constant Field Values
EM_FATAL
static final int EM_FATAL
- Used as ErrorMode to stop processing after reporting error.
- See Also:
ARPOptions.setErrorMode(int, int)
,
Constant Field Values
IGN_PRIVATE_XMLLANG
static final int IGN_PRIVATE_XMLLANG
- An xml:lang attribute uses one or more of the extension
facilities in RFC3066 or ISO639.
In some way, the langauge specified is non-standard.
In both default and strict modes this is ignored; a conservative application
in verbose mode may wish to raise a warning.
(W001)
- See Also:
LanguageTagCodes.LT_PRIVATE_USE
,
LanguageTagCodes.LT_LOCAL_USE
,
LanguageTagCodes.LT_EXTRA
,
Constant Field Values
IGN_XMLBASE_USED
static final int IGN_XMLBASE_USED
- Indicates that somewhere, other than in an XML Literal
an xml:base attribute has been used.
This is ignored in default and strict mode. (W002)
- See Also:
IGN_XMLBASE_SIGNIFICANT
,
Constant Field Values
IGN_XMLBASE_SIGNIFICANT
static final int IGN_XMLBASE_SIGNIFICANT
- Indicates that somewhere,
an xml:base attribute has been used and
changes the interpretation of some URI (either through a
relative URI-reference or rdf:ID). (W003)
This is ignored in default and strict mode.
- See Also:
IGN_XMLBASE_USED
,
Constant Field Values
IGN_DAML_COLLECTION
static final int IGN_DAML_COLLECTION
- The use of rdf:parseType="daml:collection" does
not conform with RDF2004.
This is ignored in default mode.
In strict mode the parser follows the conformant behaviour
which is to silently
treat this as rdf:parseType="Literal" (W004).
- See Also:
- Constant Field Values
IGN_NO_BASE_URI_SPECIFIED
static final int IGN_NO_BASE_URI_SPECIFIED
- Indicates that no name is known for the current file being parsed.
(W005)
- See Also:
- Constant Field Values
WARN_XMLBASE_MISSING
static final int WARN_XMLBASE_MISSING
- Deprecated.
IGN_NO_BASE_URI_SPECIFIED
- (W100)
- See Also:
- Constant Field Values
WARN_UNQUALIFIED_RDF_ATTRIBUTE
static final int WARN_UNQUALIFIED_RDF_ATTRIBUTE
- A standard rdf attribute like type or about is used
without a namespace qualifier. In default and strict mode ARP adds the
rdf: qualifier and reports a warning. (W101).
- See Also:
- Constant Field Values
WARN_UNQUALIFIED_ATTRIBUTE
static final int WARN_UNQUALIFIED_ATTRIBUTE
- Some attribute that is not an RDF keyword is used in an
unqualified fashion. In default mode, then the namespace of
the enclosing element
is used.
In strict mode this is an error. (W102).
- See Also:
- Constant Field Values
WARN_UNKNOWN_RDF_ATTRIBUTE
static final int WARN_UNKNOWN_RDF_ATTRIBUTE
- An attribute name in the RDF namespace has been
used that is not a reserved RDF attribute name.
In default and strict modes, a statement is generated with the given name as property.
In default and strict modes this is a warning. (W103).
- See Also:
- Constant Field Values
WARN_UNQUALIFIED_ELEMENT
static final int WARN_UNQUALIFIED_ELEMENT
- An element tag is not a qualified name.
In default mode, a resource or property is generated with a malformed URI.
Strict mode treats this as an error. (W104).
- See Also:
- Constant Field Values
WARN_REDEFINITION_OF_ID
static final int WARN_REDEFINITION_OF_ID
- The same name has been used for more than one rdf:ID or rdf:bagID,
in the context of the same xml:base (if any).
The default mode allows this with a warning.
This check is expensive in memory. When processing very large files,
it may be sensible to switch the check off by using
ARPOptions.setErrorMode(int,int)
to ignore this condition.
(W105).
- See Also:
WARN_LEGAL_REUSE_OF_ID
,
Constant Field Values
WARN_UNKNOWN_PARSETYPE
static final int WARN_UNKNOWN_PARSETYPE
- An unrecognised value for rdf:parseType has been found.
In strict mode, this error is ignored, and it is treated
as rdf:parseType="Literal", in default mode a warning is issued.
(W106)
- See Also:
- Constant Field Values
WARN_MALFORMED_URI
static final int WARN_MALFORMED_URI
- A URI reference does not conform to the definition of RDF URI Reference.
Use Exception.getMessage() for details.
In default mode, the malformed URI is passed to the RDF
processing application; strict mode treats this as an error.
(W107)
- See Also:
- Constant Field Values
WARN_BAD_NAME
static final int WARN_BAD_NAME
- An ID symbol or other grammar production that should be an
XML name is malformed. In default mode,
the malformed string is passed to the RDF application. (W108)
Strict mode treats this as an error.
- See Also:
- Constant Field Values
WARN_RELATIVE_NAMESPACE_URI_DEPRECATED
static final int WARN_RELATIVE_NAMESPACE_URI_DEPRECATED
- A namespace has been declared with a relative URI.
Such relative URI namespaces have been
deprecated.
This often results in related
WARN_RELATIVE_URI
warnings.
(W109)
- See Also:
- Constant Field Values
WARN_BAD_XML
static final int WARN_BAD_XML
- Deprecated.
- No longer used.
(W111)
- See Also:
- Constant Field Values
WARN_MINOR_INTERNAL_ERROR
static final int WARN_MINOR_INTERNAL_ERROR
- Deprecated. No longer used.
- Should not happen.
(W112)
- See Also:
- Constant Field Values
WARN_UNKNOWN_RDF_ELEMENT
static final int WARN_UNKNOWN_RDF_ELEMENT
- An element is tagged rdf:XXX where XXX is not a recognised RDF element name.
The typed node or property element construction is matched.
In both default and strict modes this is a warning. (W113).
- See Also:
- Constant Field Values
WARN_RDF_NN_AS_TYPE
static final int WARN_RDF_NN_AS_TYPE
- rdf:_NNN is being used in the typed node construction.
In default mode this is a warning; in strict mode it is ignored.(W114)
- See Also:
- Constant Field Values
WARN_MALFORMED_XMLLANG
static final int WARN_MALFORMED_XMLLANG
- The value of an xml:lang attribute does not conform to the
syntactic rules of RFC3066.
In default mode this is a warning, in strict mode an error. (W115)
- See Also:
- Constant Field Values
WARN_BAD_XMLLANG
static final int WARN_BAD_XMLLANG
- The value of an xml:lang attribute while syntactically conforming
to RFC3066 does not conform with other rules, possibly through not
being listed in ISO639 or ISO3166 or the IANA language tag
registry. The databases used of these registries was a snapshot of
July 24, 2001. If you are using language tags that postdate this snapshot,
you should ignore this condition.
The use of a three letter tag instead of a two letter tag or use of
the language tag "und" is also reported under this condition, see RFC3066.
In default mode this is a warning, in strict mode an error. (W116)
- See Also:
- Constant Field Values
WARN_UNKNOWN_XML_ATTRIBUTE
static final int WARN_UNKNOWN_XML_ATTRIBUTE
- An attribute from the xml namespace has been used that is not
recognised. (W118).
In default mode this is a warning; in strict mode it is ignored.
- See Also:
- Constant Field Values
WARN_PROCESSING_INSTRUCTION_IN_RDF
static final int WARN_PROCESSING_INSTRUCTION_IN_RDF
- An XML processing instruction occurred in RDF content.
Such instructions are ignored, and are usually in error. (W119).
In default mode this is a warning; in strict mode it is ignored.
- See Also:
- Constant Field Values
WARN_LEGAL_REUSE_OF_ID
static final int WARN_LEGAL_REUSE_OF_ID
- Deprecated. Last supported in Jena 2.1 - too expensive.
- No longer used.
- See Also:
WARN_REDEFINITION_OF_ID
,
Constant Field Values
WARN_STRING_COMPOSING_CHAR
static final int WARN_STRING_COMPOSING_CHAR
- String Literals in RDF should not start with a composing char,
as defined by the CharacterModel working draft.
This is particularly important if XML 1.1 compatibility is
required.
This is a warning in both default and strict modes (W121).
- See Also:
- Constant Field Values
WARN_QNAME_AS_ID
static final int WARN_QNAME_AS_ID
- Deprecated. Superceded by the more general
WARN_BAD_NAME
- No longer used. (W122).
- See Also:
- Constant Field Values
WARN_URI_COMPOSING_CHAR
static final int WARN_URI_COMPOSING_CHAR
- Deprecated. WG decision on williams-01.
- No longer used. (W123)
- See Also:
- Constant Field Values
WARN_BAD_NAMESPACE_URI
static final int WARN_BAD_NAMESPACE_URI
- Some xmlns declaration has a non-URI as its right hand side.
This currently permits non-ASCII characters, awaiting clarification from
the namespace editor. This is a warning in default mode and an error in
strict mode (W124).
- See Also:
- Constant Field Values
WARN_DEPRECATED_XMLLANG
static final int WARN_DEPRECATED_XMLLANG
- The value of an xml:lang attribute has been deprecated by IANA (W117). In strict and default mode this is a warning.
- See Also:
- Constant Field Values
WARN_IN_STRICT_MODE
static final int WARN_IN_STRICT_MODE
- This is an internal only field, not intended for public use.
In particular, specifically setting the error mode for this
error should be avoided.
Errors with this error code cannot happen. (W125)
When this warning is treated as an error, the non-RDF compliant
daml:collection production is surpressed.
- See Also:
- Constant Field Values
WARN_SAX_WARNING
static final int WARN_SAX_WARNING
- The SAX Parser generated a warning. Treated as a warning in both default
and strict modes. (W126)
- See Also:
- Constant Field Values
WARN_BAD_RDF_NAMESPACE_URI
static final int WARN_BAD_RDF_NAMESPACE_URI
- Within RDF, it is not permitted to define an
XML namespace that has a namespace URI with the
RDF namespace URI as a proper prefix. (W127).
A warning in default mode, an error in strict mode.
- See Also:
- Constant Field Values
WARN_BAD_XML_NAMESPACE_URI
static final int WARN_BAD_XML_NAMESPACE_URI
- Within RDF, it is not permitted to define an
XML namespace that has a namespace URI with the XML
namespace URI as a proper prefix. (W128). A warning in default mode,an
error in strict mode.
- See Also:
- Constant Field Values
WARN_ENCODING_MISMATCH
static final int WARN_ENCODING_MISMATCH
- ARP was called with an InputSteamReader or a FileReader which used
an encoding differnt from that in the XML declaration. The usual fix
is to use an InputStream or a FileInputStream instead. (W129).
A warning in default mode, an error in strict mode.
- See Also:
ERR_ENCODING_MISMATCH
,
Constant Field Values
WARN_RESOLVING_URI_AGAINST_EMPTY_BASE
static final int WARN_RESOLVING_URI_AGAINST_EMPTY_BASE
- A base URI was required but "" was given. The
RDF/XML input includes a relative URI, an rdf:ID or
some other same document reference. (W130).
- See Also:
- Constant Field Values
WARN_STRING_NOT_NORMAL_FORM_C
static final int WARN_STRING_NOT_NORMAL_FORM_C
- String Literals in RDF should be in Unicode Normal Form C
* (W131).
- See Also:
- Constant Field Values
WARN_UNSUPPORTED_ENCODING
static final int WARN_UNSUPPORTED_ENCODING
- The character encoding in the XML declaration is not
fully supported. In particular, advice about
the IANA registry entry, if any, is not available.
This warning is only believed to be applicable to
Java 1.4. Java 1.5 has more extensive support for
this information, and so upgrading from Java 1.4 to Java 1.5
is a plausible response to this warning.
(W132).
- See Also:
- Constant Field Values
WARN_NON_IANA_ENCODING
static final int WARN_NON_IANA_ENCODING
- The character encoding in the XML declaration is not
registered with IANA. Hence the RDF/XML file
is not appropriate for use on the Web, but only
for private interactions, between parties agreeing
on the character encoding.
It may not be possible to read this file with superficially
similar Jena installations, let alone with other RDF systems.
(W133).
- See Also:
- Constant Field Values
WARN_NONCANONICAL_IANA_NAME
static final int WARN_NONCANONICAL_IANA_NAME
- The encoding in the XML declaration is an alias
registered with IANA. Better interoperability
is likely by replacing the encoding declaration
with the canonical IANA name, provided in the warning
message.
(W134).
- See Also:
- Constant Field Values
WARN_NOT_RDF_NAMESPACE
static final int WARN_NOT_RDF_NAMESPACE
- It seems likely that the namespace for rdf: has a typo in it.
(W135)
- See Also:
- Constant Field Values
WARN_RELATIVE_URI
static final int WARN_RELATIVE_URI
- A URI reference which is a relative reference
has been used either as the starting base URI
or as the outcome of a URI resolution somehow.
In strict mode this is an error.
(W136)
- See Also:
- Constant Field Values
WARN_BIG_FILE
static final int WARN_BIG_FILE
- After 10000 rdf:ID attributes have been
read, ARP no longer checks for
WARN_REDEFINITION_OF_ID
.
This warning is to inform the user that
ARP behaviour has changed during parsing.
- See Also:
- Constant Field Values
ERR_INTERNAL_ERROR
static final int ERR_INTERNAL_ERROR
- Deprecated. No longer used.
- Should not happen.
(E200)
- See Also:
- Constant Field Values
ERR_SYNTAX_ERROR
static final int ERR_SYNTAX_ERROR
- The attributes or element tags contravene the RDF grammar.
(XML syntax errors are not reported with this mechanism,
but as
SAXParseException
's).
The detailed error message indicates the nature of the contravention.
Future releases may specialize these codes, it is better to
use ParseException.isSyntaxError()
to check for syntax errors.
(E201).
- See Also:
- Constant Field Values
ERR_NOT_WHITESPACE
static final int ERR_NOT_WHITESPACE
- Non-white character data has occurred where the RDF grammar
does not permit it. This is a special case of ERR_SYNTAX_ERROR,
which is detected differently.
(E202)
- See Also:
- Constant Field Values
ERR_ABOUTEACH_NOT_TOPLEVEL
static final int ERR_ABOUTEACH_NOT_TOPLEVEL
- Deprecated. No longer occurs. Any use of rdf:aboutEach is a syntax error.
- rdf:aboutEach may only occur in a top-level obj expansion,
either an rdf:Description or a typed node. This is a special
case of ERR_SYNTAX_ERROR, which is detected differently. (E203).
- See Also:
- Constant Field Values
ERR_LI_AS_TYPE
static final int ERR_LI_AS_TYPE
- rdf:li is being used in the typed node construction.
(E204)
- See Also:
- Constant Field Values
ERR_BAD_RDF_ELEMENT
static final int ERR_BAD_RDF_ELEMENT
- An element is tagged rdf:XXX where XXX is an RDF attribute name.
(E205)
- See Also:
- Constant Field Values
ERR_BAD_RDF_ATTRIBUTE
static final int ERR_BAD_RDF_ATTRIBUTE
- An attribute name in the RDF namespace has been
used that is reserved as an RDF name, but not as an attribute.
These are rdf:Description, rdf:aboutEach, rdf:aboutEachPrefix.
The latter two are deprecated. (E206).
- See Also:
- Constant Field Values
ERR_STRING_NOT_NORMAL_FORM_C
static final int ERR_STRING_NOT_NORMAL_FORM_C
- Deprecated. See 2nd Last Call docs
* (E207).
- No longer used.
- See Also:
WARN_STRING_NOT_NORMAL_FORM_C
,
Constant Field Values
ERR_URI_NOT_NORMAL_FORM_C
static final int ERR_URI_NOT_NORMAL_FORM_C
- Deprecated. WG decision on williams-01.
- No longer used.(E208).
- See Also:
- Constant Field Values
ERR_SAX_ERROR
static final int ERR_SAX_ERROR
- The SAX Parser generated an error.
Treated as an error in both default and strict modes. (E209)
- See Also:
- Constant Field Values
ERR_ENCODING_MISMATCH
static final int ERR_ENCODING_MISMATCH
- ARP was called with an InputSteamReader or a FileReader which used
an encoding differnt from that in the XML declaration. Moreover, this
was detected as probably significant (i.e. the document includes
characters outside the ascii range). The usual fix is to use an
InputStream or a FileInputStream instead. (E210).
- See Also:
WARN_ENCODING_MISMATCH
,
Constant Field Values
ERR_RESOLVING_URI_AGAINST_NULL_BASE
static final int ERR_RESOLVING_URI_AGAINST_NULL_BASE
- A base URI was required but not given. The
RDF/XML input includes a relative URI, an rdf:ID or
some other same document reference. (E211).
- See Also:
- Constant Field Values
ERR_UTF_ENCODING
static final int ERR_UTF_ENCODING
- The document claimed to be UTF-8 but was not.
It probably needs an xml declaration with
an encoding attribute. (E212).
- See Also:
- Constant Field Values
ERR_GENERIC_IO
static final int ERR_GENERIC_IO
- An IOException occurred. (E213).
- See Also:
- Constant Field Values
ERR_RESOLVING_AGAINST_MALFORMED_BASE
static final int ERR_RESOLVING_AGAINST_MALFORMED_BASE
- Cannot resolve a relative URI, because base URI is malformed.
The base URI, specified in the API call, or
with an xml:base was malformed,
(see
WARN_MALFORMED_URI
).
A relative URI needs to be resolved against it,
and this cannot be done correctly. (E214)
- See Also:
- Constant Field Values
ERR_RESOLVING_AGAINST_RELATIVE_BASE
static final int ERR_RESOLVING_AGAINST_RELATIVE_BASE
- Cannot resolve a relative URI, because base URI is relative.
The base URI, specified in the API call, or
with an xml:base was relative
WARN_RELATIVE_URI
.
A relative URI needs to be resolved against it,
resulting in a relative URI. (E215)
- See Also:
- Constant Field Values
ERR_UNABLE_TO_RECOVER
static final int ERR_UNABLE_TO_RECOVER
- Deprecated. Not used.
- No longer used. (E300)
- See Also:
- Constant Field Values
ERR_SAX_FATAL_ERROR
static final int ERR_SAX_FATAL_ERROR
- The SAX Parser generated a fatal error.
Resetting this mode is not supported.
Treated as a fatal error in both
default and strict modes. (E301)
- See Also:
- Constant Field Values
ERR_INTERRUPTED
static final int ERR_INTERRUPTED
- The Thread was interrupted. (E302)
- See Also:
- Constant Field Values
Copyright © 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP


--- layout: post title: 'Writing interactive fiction with Inform:' date: 2005-01-17 00:00:00 category: play ---
Writing interactive fiction with Inform: wow, courses in writing text adventures. Neat.


SEM and TEM images of 3D flower-like MoS 2-PrGO sandwich composites, (A) SEM image of GO, (B) SEM image of 3D flower-like MoS 2-PrGO sandwich composites, (C,D) TEM and HRTEM images of 3D flower-like MoS 2-PrGO sandwich composites, (E) Bright-field TEM image and corresponding EDX elemental mapping images of 3D flower-like MoS 2-PrGO sandwich composites.


public abstract class DelegatingTransactionManager
extends java.lang.Object
implements java.io.Serializable, javax.transaction.TransactionManager
abstract
TransactionManager
implementation that
delegates all method invocations to another TransactionManager
.TransactionManager
,
Serialized Form| Modifier | Constructor and Description |
|---|---|
protected |
DelegatingTransactionManager(javax.transaction.TransactionManager delegate)
Creates a new
DelegatingTransactionManager . |
| Modifier and Type | Method and Description |
|---|---|
void |
begin()
Creates a new transaction and associates it with the current thread.
|
void |
commit()
Completes the transaction associated with the current thread.
|
int |
getStatus()
Returns the status of the transaction associated with the current
thread.
|
javax.transaction.Transaction |
getTransaction()
Returns the
Transaction object that represents the
transaction context of the calling thread. |
void |
resume(javax.transaction.Transaction transaction)
Resumes the transaction context association of the calling thread
with the transaction represented by the supplied
Transaction object. |
void |
rollback()
Rolls back the transaction associated with the current thread.
|
void |
setRollbackOnly()
Irrevocably modifies the transaction associated with the current
thread such that the only possible outcome is for it to
roll back.
|
void |
setTransactionTimeout(int seconds)
Sets the timeout value that is associated with transactions
started by the current thread with the
begin() method. |
javax.transaction.Transaction |
suspend()
Suspends the transaction currently associated with the calling
thread and returns a
Transaction that represents the
transaction context being suspended, or null if the
calling thread is not associated with a transaction. |
protected DelegatingTransactionManager(javax.transaction.TransactionManager delegate)
DelegatingTransactionManager
.delegate
- the TransactionManager
to which all
method invocations will be delegated; may be null
, but
all methods in this class will then throw a SystemException
public void begin() throws javax.transaction.NotSupportedException, javax.transaction.SystemException
begin
in interface javax.transaction.TransactionManager
javax.transaction.NotSupportedException
- if the thread is already
associated with a transaction and this TransactionManager
implementation does not support nested transactionsjavax.transaction.SystemException
- if this TransactionManager
encounters an unexpected error conditionpublic void commit() throws javax.transaction.RollbackException, javax.transaction.HeuristicMixedException, javax.transaction.HeuristicRollbackException, javax.transaction.SystemException
When this method completes, the thread is no longer associated with a transaction.
commit
in interface javax.transaction.TransactionManager
javax.transaction.RollbackException
- if the transaction has been rolled
back rather than committedjavax.transaction.HeuristicMixedException
- if a heuristic decision was
made and that some relevant updates have been committed while
others have been rolled backjavax.transaction.HeuristicRollbackException
- if a heuristic decision was
made and all relevant updates have been rolled backjava.lang.SecurityException
- if the thread is not allowed to
commit the transactionjava.lang.IllegalStateException
- if the current thread is not
associated with a transactionjavax.transaction.SystemException
- if this TransactionManager
encounters an unexpected error conditionpublic int getStatus() throws javax.transaction.SystemException
getStatus
in interface javax.transaction.TransactionManager
int
constants in the Status
class; if no
transaction is associated with the current thread, this method
returns Status.STATUS_NO_TRANSACTION
javax.transaction.SystemException
- if this TransactionManager
encounters an unexpected error conditionStatus
public javax.transaction.Transaction getTransaction() throws javax.transaction.SystemException
Transaction
object that represents the
transaction context of the calling thread.
This method never returns null
.
getTransaction
in interface javax.transaction.TransactionManager
Transaction
object representing the
transaction associated with the calling thread; never null
javax.transaction.SystemException
- if this TransactionManager
encounters an unexpected error conditionpublic void resume(javax.transaction.Transaction transaction) throws javax.transaction.InvalidTransactionException, javax.transaction.SystemException
Transaction
object.
When this method returns, the calling thread is associated with the transaction context specified.
resume
in interface javax.transaction.TransactionManager
transaction
- the Transaction
representing the
transaction to be resumed; must not be null
javax.transaction.InvalidTransactionException
- if transaction
is
invalidjava.lang.IllegalStateException
- if the thread is already
associated with another transactionjavax.transaction.SystemException
- if this TransactionManager
encounters an unexpected error conditionpublic void rollback() throws javax.transaction.SystemException
When this method completes, the thread is no longer associated with a transaction.
rollback
in interface javax.transaction.TransactionManager
java.lang.SecurityException
- if the thread is not allowed to roll
back the transactionjava.lang.IllegalStateException
- if the current thread is not
associated with a transactionjavax.transaction.SystemException
- if this TransactionManager
encounters an unexpected error conditionpublic void setRollbackOnly() throws javax.transaction.SystemException
setRollbackOnly
in interface javax.transaction.TransactionManager
java.lang.IllegalStateException
- if the current thread is not
associated with a transactionjavax.transaction.SystemException
- if this TransactionManager
encounters an unexpected error conditionpublic void setTransactionTimeout(int seconds) throws javax.transaction.SystemException
begin()
method.
If an application has not called this method, the transaction service uses some default value for the transaction timeout.
setTransactionTimeout
in interface javax.transaction.TransactionManager
seconds
- the timeout in seconds; if the value is zero, the
transaction service restores the default value; if the value is
negative a SystemException
is thrownjavax.transaction.SystemException
- if this TransactionManager
encounters an unexpected error condition or if seconds
is
less than zeropublic javax.transaction.Transaction suspend() throws javax.transaction.SystemException
Transaction
that represents the
transaction context being suspended, or null
if the
calling thread is not associated with a transaction.
This method may return null
.
When this method returns, the calling thread is no longer associated with a transaction.
suspend
in interface javax.transaction.TransactionManager
Transaction
representing the suspended
transaction, or null
javax.transaction.SystemException
- if this TransactionManager
encounters an unexpected error conditionCopyright © 2022 JBoss by Red Hat. All rights reserved.


* Amanda Palmer’s TedTalk, “The Art of Asking,”
today’s Very Short List:
culture 4 Sep 2013
Donnie Dinch, co-founder and CEO of WillCall, is a designer focused on the intersection of live music and mobile technology. WEBSITE
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Conflict resolved here
Added p1
Added p2
Added p3
Added p4
Ubacen novi paragraf
Added p5
Novi paragraf


Mpd 5.9 User Manual
:
Troubleshooting
Previous:
The included
mpd.script
Next:
Troubleshooting
7. Troubleshooting
7.1.
Troubleshooting
Mpd 5.9 User Manual
:
Troubleshooting
Previous:
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Let us show you the way.Located south on route 29 just outside of Charlottesville, we are here for you to help you with all of your gardening needs. Come see us today. Get door to door driving directions.


This page details the Player Settings specific to iOS. A description of the general Player Settings can be found here.
Note that Unity iOS requires 7.0 or higher. iOS 6.0 and earlier are not supported.
| Property: | Function: |
|---|---|
| Orientation | |
|
Default Orientation This setting is shared between iOS and Android devices |
The game’s screen orientation. The options are: Portrait (home button at the bottom), Portrait Upside Down (home button at the top), Landscape Left (home button on the right side), Landscape Right (home button on the left side), and Auto Rotation (screen orientation changes with device orientation) |
| Use Animated Autorotation | Check this box if you want orientation changes to animate the screen rotation rather than just switch. This is only visible when Default Orientation is set to Auto Rotation. |
| Allowed Orientations for Auto Rotation (only visible when Default Orientation is set to Auto Rotation.) | |
| Portrait | Allow portrait orientation. |
| Portrait Upside Down | Allow portrait upside-down orientation. |
| Landscape Right | Allow landscape right orientation (home button on the left side). |
| Landscape Left | Allow landscape left orientation (home button is on the right side). |
| Multitaking Support | |
| Requires Fullscreen | Check this box if your game requires fullscreen. |
| Status Bar | |
| Status Bar Hidden | Check this box to hide the the status bar when the application launches. |
| Status Bar Style | Define the style of the status bar when the application launches. The options are Default, Black Translucent and Black Opaque. |
| Disable Depth and Stencil | Check this box to disable the depth and stencil buffers. |
| Show Loading Indicator | Select how the loading indicator be displayed. The options are Don’t Show, White Large, White, and Gray. |
| Property: | Function: |
|---|---|
| Override for iPhone | Check this box if you want to assign a custom icon you would like to be used for your iPhone/iPad game. Different sizes of the icon fill in the squares below. If any icon textures are omitted, the icon texture with the nearest size (preferring larger resolution textures) is scaled accordingly. |
| Prerendered icon | If unchecked, iOS applies its standard styling effects to the application icon. |
There are two ways to implement splash images on iOS: Launch Images and Launch Screens.
Launch Images are static splash screen images that occupy the entire screen.
For devices that use iOS 7, Launch Images are the only launch screen option. There is no support for versions prior to iOS 7.0. For devices that use iOS 8 or newer, you can use either Launch Images or Launch Screens.
Launch Images are defined in an Asset catalog (Images.xcassets/LaunchImage). Always add a Launch Screen for each supported size and orientation combination.
Only iPhone 6+ supports landscape orientation; other iPhones can only use portrait. Launch Images are selected in the following order:
You need to set all Launch Images for your build.
A Launch Screen is an XIB file from which iOS creates a splash screen dynamically on the device.
Launch Screens have a limitation, in that it is not possible to display different contents depending on orientation on iPad devices. Therefore, Launch Screens are only supported on iPhone devices. All iPhones support landscape Launch Screens; however, due to a bug in iOS, Landscape Left is shown instead of Landscape Right on certain iOS versions.
| Property: | Function: |
|---|---|
| Mobile Splash Screen | Specifies texture which should be used for iOS Splash Screen. Standard Splash Screen size is 320x480.(This is shared between Android and iOS) |
| iPhone 3.5"/Retina | Specifies texture which should be used for iOS 3.5" Retina Splash Screen. Splash Screen size is 640x960. |
| iPhone 4"/Retina | Specifies texture which should be used for iOS 4" Retina Splash Screen. Splash Screen size is 640x1136. |
| iPhone 4.7"/Retina | Specifies texture which should be used for iOS 4.7" Retina Splash Screen. Splash Screen size is 750x1334. |
| iPhone 5.5"/Retina | Specifies texture which should be used for iOS 5.5" Retina Splash Screen. Splash Screen size is 1242x2208. |
| iPhone 5.5" Landscape/Retina | Specifies texture which should be used for iOS 5.5" Landscape/Retina Splash Screen. Splash Screen size is 2208x1242. |
| iPad Portrait | Specifies texture which should be used as iPad Portrait orientation Splash Screen. Standard Splash Screen size is 768x1024. |
| iPad Landscape | Specifies texture which should be used as iPad Landscape orientation Splash Screen. Standard Splash Screen size is 1024x768. |
| iPad Portrait/Retina | Specifies texture which should be used as the iPad Retina Portrait orientation Splash Screen. Standard Splash Screen size is 1536x2048. |
| iPad Landscape/Retina | Specifies texture which should be used as the iPad Retina Landscape orientation Splash Screen. Standard Splash Screen size is 2048x1536. |
| Launch Screen type | Allows you to select between the launch screen types |
| - None | The behavior is as if only launch images are used. |
| - Default | A launch screen that is very much like a launch image. One image is selected for portrait and landscape. The selection order: iPhone 6+ launch images, shared mobile launch image, default unity launch image for iPhone 6+. The images are displayed using aspect-fill mode. |
| - Image with background, relative size | A center-aligned image is shown, with the rest of area filled with solid color. The image size is user-specified percentage of the screen size, computed in the smaller dimension (vertical on landscape, horizontal in portrait orientations). User also specifies background color and images for portrait and landscape orientations. Image selection order: the user-specified image, shared mobile launch image, default unity launch image for iPhone 6+. The images are displayed using aspect-fill mode. |
| - Image with background, constant size | Same as relative size option except that the size of the image is defined by user-specified number of points. |
| - Custom Xib | An user-specified XIB file from any location. |
In Unity Personal Edition the Unity Splash Screen displays as soon as engine initialises, in addition to your chosen splash screen.
| Property: | Function: |
|---|---|
| Enable Internal Profiler | Enables an internal profiler which collects performance data of the application and prints a report to the console. The report contains the number of milliseconds that it took for each Unity subsystem to execute on each frame. The data is averaged across 30 frames. |
| On .Net UnhandledException | The action taken on .NET unhandled exception. The options are Crash (the application crashes hardly and forces iOS to generate a crash report that can be submitted to iTunes by app users and inspected by developers), Silent Exit (the application exits gracefully). |
| Log ObjC uncaught exceptions | Enables a custom Objective-C Uncaught Exception handler, which will print exception information to console. |
| Enable Crash Report API | Enables a custom crash reporter to capture crashes. Crash logs will be available to scripts via CrashReport API. |
| Property: | Function: |
|---|---|
| Rendering | |
| Rendering Path | The rendering path enabled for the game. |
| Automatic Graphics API | Allows you to select which graphics API is used. When checked, Unity will include Metal, and GLES2 as a fallback for devices where Metal is not supported. When unchecked, you can manually pick and reorder the graphics APIs. Manually picking just one API will adjust your app’s info.plist which will result in appropriate app store restrictions. |
| Static Batching | Set this to use Static batching on your build (enabled by default). |
| Dynamic Batching | Set this to use Dynamic Batching on your build (enabled by default). |
| GPU Skinning | Should DX11/ES3 GPU skinning be enabled? |
| Identification | |
| Bundle Identifier | The string used in your provisioning certificate from your Apple Developer Network account(This is shared between iOS and Android) |
| Bundle Version | Specifies the build version number of the bundle, which identifies an iteration (released or unreleased) of the bundle. The version is specified in the common format of a string containing numbers separated by dots (eg, 4.3.2). |
| Build | The build number can be entered here to allow you to keep track of the number of builds that have been made |
| iOS Developer Team ID | Set this property with your Apple Developer Team ID. You can find this on the Apple Developer website under Account > Membership. This sets the Team ID for the generated Xcode project, allowing developers to use the Build and Run functionality. An Apple Developer Team ID must be set here for automatic signing of your app. |
| Configuration | |
| Scripting Backend | Allows you to select between IL2CPP and Mono2x scripting backends. The default is IL2CPP, and in most normal situations there should be no reason to switch to the older Mono2x backend. Unless you are running into bugs specifically relating to IL2CPP, you should not select Mono2x. Mono2x builds are no longer accepted in the App store. |
| Target Device | Which devices are targeted by the game? The options are iPhone Only, iPad Only and iPhone + iPad. |
| Target SDK | Which SDK is targeted by the game? The options are iPhone Only, Device SDK and Simulator SDK. |
| Target minimum iOS Version | Defines the minimum version of iOS that the game will work on. |
| Use on Demand Resource | When enabled allows you to use one demand resources. |
| Accelerometer Frequency | How often is the accelerometer sampled? The options are Disabled (ie, no samples are taken), 15Hz, 30Hz, 60Hz and 100Hz. |
| Location Usage Description | This field allows you to enter the reason for accessing the users location. |
| Override iPod Music | If selected, the application will silence user’s iPod music. Otherwise user’s iPod music will continue playing in the background. |
| Prepare iOS for Recording | When selected, the microphone recording APIs are initialised. This makes recording latency lower, though on iPhones it re-routes audio output via earphones only. |
| Requires Persistent WiFi | Specifies whether the application requires a Wi-Fi connection. iOS maintains the active Wi-Fi connection while the application is running. |
| Behaviour in Background | Specifies what the application should do when the user presses the home button. |
| - Suspend | This is the standard behaviour, the app is suspended, but not quit. |
| - Exit | Instead of suspending, the app will quit when the home button is pressed. |
| - Custom | You can implement your own behaviour with background processing. See an example here. |
| Allow downloads over HTTP (nonsecure) | When this option is enabled it will allow you to download content over HTTP. Default and reccomended is HTTPS. |
| Supported URL schemes | A list of supported URL schemes. |
| Disable HW Statistics | By default, Unity iOS apps send anonymous HW statistics to Unity so we can provide you with aggregated information to help you make decisions as a developer. These stats can be found at http://stats.unity3d.com/. Checking this option disables the sending of these statistics for your app. |
| Architecture | Allows you to select which architecture to target. Universal is recommended default. Some apps that are shipping on high-end devices only might consider selecting the Arm64-only option. Armv7 is for consistency purposes. |
| - Universal | The recommended option. Supports both architectures. |
| - Armv7 | Support only the older Armv7 architecture. |
| - Arm64 | Support only the newer Arm64 architecture. |
| Scripting Define Symbols | Custom compilation flags (see the platform dependent compilation page for details). |
| Optimization | |
| Api Compatibility Level | Specifies active .NET API profile. See below |
| - .Net 2.0 | .Net 2.0 libraries. Maximum .net compatibility, biggest file sizes |
| - .Net 2.0 Subset | Subset of full .net compatibility, smaller file sizes |
| Prebake Collision Meshes | Should collision data be added to meshes at build time? |
| Preload Shaders | Should shaders be loaded when the player starts up? |
| Preloaded Assets | An array of assets to be loaded when the player starts up. |
| AOT compilation options | Additional AOT compiler options. |
| SDK Version | Specifies iPhone OS SDK version to use for building in Xcode |
| - Device SDK | SDK to run on actual hardware. |
| - Simulator SDK | SDK to run only on the simulator. |
| Target iOS Version | Specifies lowest iOS version where final application will able to run. Selecting a lower version will mean more devices will be able to run your app. Selecting a higher version means you gain access to features introduced in those higher versions, but users who have not upgraded their device will not be able to use the app. Selecing the ‘Unknown’ option allows you to pick one in your xcode project instead (in case there are newer/beta versions of iOS which have not yet been added to our list in the editor). |
| Strip Engine Code | Enable code stripping. (This setting is only available with the IL2CPP scripting backend.) |
| Script Call Optimization | Optionally disable exception handling for a speed boost at runtime. See iOS Optimization for details. |
| - Slow and Safe | Full exception handling will occur (with some performance impact on the device when using the Mono scripting backend) |
| - Fast but no Exceptions | No data provided for exceptions on the device (the game will run faster when using the Mono scripting backend) |
| Vertex Compression | Select which vertex channels should be compressed. Compression can save memory and bandwidth but precision will be lower. |
| Optimize Mesh Data | Remove any data from meshes that is not required by the material applied to them (tangents, normals, colors, UV). |
Note: Be sure to select the correct SDK - if you select Device, say, but then target the Simulator in Xcode then the build will fail with a lot of error messages.
You can choose your mono api compatibility level for all targets. Sometimes a 3rd party .net dll will use things that are outside of the .net compatibility level that you would like to use. In order to understand what is going on in such cases, and how to best fix it, get “Reflector” on windows.
The Bundle Identifier string must match the provisioning profile of the game you are building. The basic structure of the identifier is com.CompanyName.GameName. This structure may vary internationally based on where you live, so always default to the string provided to you by Apple for your Developer Account. Your GameName is set up in your provisioning certificates, that are manageable from the Apple iPhone Developer Center website. Please refer to the Apple iPhone Developer Center website for more information on how this is performed.
Most games don’t use all necessary dlls. With this option, you can strip out unused parts to reduce the size of the built player on iOS devices. If your game is using classes that would normally be stripped out by the option you currently have selected, you’ll be presented with a Debug message when you make a build.
A good development practice on iOS is to never rely on exception handling (either internally or through the use of try/catch blocks). When using the default Slow and Safe option, any exceptions that occur on the device will be caught and a stack trace will be provided. When using the Fast but no Exceptions option, any exceptions that occur will crash the game, and no stack trace will be provided. In addition, the AppDomain.UnhandledException event will be raised to allow project-specific code access to the exception information. With the Mono scripting backend the game will run faster since the processor is not diverting power to handle exceptions. There is no performance benefit with the Fast but no Exceptions option when using the IL2CPP scripting backend. When releasing your game to the world, it’s best to publish with the Fast but no Exceptions option.
The C++ code generated by the IL2CPP scripting backend can be updated incrementally, allowing incremental C++ build systems to compile only the changes source files. This can significantly lower iteration times with the IL2CPP scripting backend.
To use incremental builds, choose the “Append” option after selecting “Build” from the “Build Settings” dialog. The “Replace” option will perform a clean build.


Register fragments¶
Once the fragments of the scene are created, the next step is to align them in a global space.
Input arguments¶
This script runs with python run_system.py [config] --register
. In [config]
, ["path_dataset"]
should have subfolders fragments
which stores fragments in .ply
files and a pose graph in a .json
file.
The main function runs make_posegraph_for_scene
and optimize_posegraph_for_scene
. The first function performs pairwise registration. The second function performs multiway registration.
Preprocess point cloud¶
17 18 19 20 21 22 23 24 25 26 27 28 | # examples/Python/ReconstructionSystem/register_fragments.py
def preprocess_point_cloud(pcd, config):
voxel_size = config["voxel_size"]
pcd_down = pcd.voxel_down_sample(voxel_size)
pcd_down.estimate_normals(
o3d.geometry.KDTreeSearchParamHybrid(radius=voxel_size * 2.0,
max_nn=30))
pcd_fpfh = o3d.registration.compute_fpfh_feature(
pcd_down,
o3d.geometry.KDTreeSearchParamHybrid(radius=voxel_size * 5.0,
max_nn=100))
return (pcd_down, pcd_fpfh)
|
This function downsamples point cloud to make a point cloud sparser and regularly distributed. Normals and FPFH feature are precomputed. See Voxel downsampling, Vertex normal estimation, and Extract geometric feature for more details.
Compute initial registration¶
54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 | # examples/Python/ReconstructionSystem/register_fragments.py
def compute_initial_registration(s, t, source_down, target_down, source_fpfh,
target_fpfh, path_dataset, config):
if t == s + 1: # odometry case
print("Using RGBD odometry")
pose_graph_frag = o3d.io.read_pose_graph(
join(path_dataset,
config["template_fragment_posegraph_optimized"] % s))
n_nodes = len(pose_graph_frag.nodes)
transformation_init = np.linalg.inv(pose_graph_frag.nodes[n_nodes -
1].pose)
(transformation, information) = \
multiscale_icp(source_down, target_down,
[config["voxel_size"]], [50], config, transformation_init)
else: # loop closure case
(success, transformation,
information) = register_point_cloud_fpfh(source_down, target_down,
source_fpfh, target_fpfh,
config)
if not success:
print("No resonable solution. Skip this pair")
return (False, np.identity(4), np.zeros((6, 6)))
print(transformation)
if config["debug_mode"]:
draw_registration_result(source_down, target_down, transformation)
return (True, transformation, information)
|
This function computes a rough alignment between two fragments. If the fragments are neighboring fragments, the rough alignment is determined by an aggregating RGBD odometry obtained from Make fragments. Otherwise, register_point_cloud_fpfh
is called to perform global registration. Note that global registration is less reliable according to [Choi2015].
Pairwise global registration¶
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | # examples/Python/ReconstructionSystem/register_fragments.py
def register_point_cloud_fpfh(source, target, source_fpfh, target_fpfh, config):
distance_threshold = config["voxel_size"] * 1.4
if config["global_registration"] == "fgr":
result = o3d.registration.registration_fast_based_on_feature_matching(
source, target, source_fpfh, target_fpfh,
o3d.registration.FastGlobalRegistrationOption(
maximum_correspondence_distance=distance_threshold))
if config["global_registration"] == "ransac":
result = o3d.registration.registration_ransac_based_on_feature_matching(
source, target, source_fpfh, target_fpfh, distance_threshold,
o3d.registration.TransformationEstimationPointToPoint(False), 4, [
o3d.registration.CorrespondenceCheckerBasedOnEdgeLength(0.9),
o3d.registration.CorrespondenceCheckerBasedOnDistance(
distance_threshold)
], o3d.registration.RANSACConvergenceCriteria(4000000, 500))
if (result.transformation.trace() == 4.0):
return (False, np.identity(4), np.zeros((6, 6)))
information = o3d.registration.get_information_matrix_from_point_clouds(
source, target, distance_threshold, result.transformation)
if information[5, 5] / min(len(source.points), len(target.points)) < 0.3:
return (False, np.identity(4), np.zeros((6, 6)))
return (True, result.transformation, information)
|
This function uses RANSAC or Fast global registration for pairwise global registration.
Multiway registration¶
83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | # examples/Python/ReconstructionSystem/register_fragments.py
def update_posegrph_for_scene(s, t, transformation, information, odometry,
pose_graph):
if t == s + 1: # odometry case
odometry = np.dot(transformation, odometry)
odometry_inv = np.linalg.inv(odometry)
pose_graph.nodes.append(o3d.registration.PoseGraphNode(odometry_inv))
pose_graph.edges.append(
o3d.registration.PoseGraphEdge(s,
t,
transformation,
information,
uncertain=False))
else: # loop closure case
pose_graph.edges.append(
o3d.registration.PoseGraphEdge(s,
t,
transformation,
information,
uncertain=True))
return (odometry, pose_graph)
|
This script uses the technique demonstrated in Multiway registration. Function update_posegrph_for_scene
builds a pose graph for multiway registration of all fragments. Each graph node represents a fragment and its pose which transforms the geometry to the global space.
Once a pose graph is built, function optimize_posegraph_for_scene
is called for multiway registration.
42 43 44 45 46 47 48 49 50 | # examples/Python/ReconstructionSystem/optimize_posegraph.py
def optimize_posegraph_for_scene(path_dataset, config):
pose_graph_name = join(path_dataset, config["template_global_posegraph"])
pose_graph_optimized_name = join(
path_dataset, config["template_global_posegraph_optimized"])
run_posegraph_optimization(pose_graph_name, pose_graph_optimized_name,
max_correspondence_distance = config["voxel_size"] * 1.4,
preference_loop_closure = \
config["preference_loop_closure_registration"])
|
Main registration loop¶
The function make_posegraph_for_scene
below calls all the functions introduced above. The main workflow is: pairwise global registration -> multiway registration.
135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 | # examples/Python/ReconstructionSystem/register_fragments.py
def make_posegraph_for_scene(ply_file_names, config):
pose_graph = o3d.registration.PoseGraph()
odometry = np.identity(4)
pose_graph.nodes.append(o3d.registration.PoseGraphNode(odometry))
n_files = len(ply_file_names)
matching_results = {}
for s in range(n_files):
for t in range(s + 1, n_files):
matching_results[s * n_files + t] = matching_result(s, t)
if config["python_multi_threading"]:
from joblib import Parallel, delayed
import multiprocessing
import subprocess
MAX_THREAD = min(multiprocessing.cpu_count(),
max(len(matching_results), 1))
results = Parallel(n_jobs=MAX_THREAD)(delayed(
register_point_cloud_pair)(ply_file_names, matching_results[r].s,
matching_results[r].t, config)
for r in matching_results)
for i, r in enumerate(matching_results):
matching_results[r].success = results[i][0]
matching_results[r].transformation = results[i][1]
matching_results[r].information = results[i][2]
else:
for r in matching_results:
(matching_results[r].success, matching_results[r].transformation,
matching_results[r].information) = \
register_point_cloud_pair(ply_file_names,
matching_results[r].s, matching_results[r].t, config)
for r in matching_results:
if matching_results[r].success:
(odometry, pose_graph) = update_posegrph_for_scene(
matching_results[r].s, matching_results[r].t,
matching_results[r].transformation,
matching_results[r].information, odometry, pose_graph)
o3d.io.write_pose_graph(
join(config["path_dataset"], config["template_global_posegraph"]),
pose_graph)
|
Results¶
The following is messages from pose graph optimization.
[GlobalOptimizationLM] Optimizing PoseGraph having 14 nodes and 42 edges.
Line process weight : 55.885667
[Initial ] residual : 7.791139e+04, lambda : 1.205976e+00
[Iteration 00] residual : 6.094275e+02, valid edges : 22, time : 0.001 sec.
[Iteration 01] residual : 4.526879e+02, valid edges : 22, time : 0.000 sec.
[Iteration 02] residual : 4.515039e+02, valid edges : 22, time : 0.000 sec.
[Iteration 03] residual : 4.514832e+02, valid edges : 22, time : 0.000 sec.
[Iteration 04] residual : 4.514825e+02, valid edges : 22, time : 0.000 sec.
Current_residual - new_residual < 1.000000e-06 * current_residual
[GlobalOptimizationLM] total time : 0.003 sec.
[GlobalOptimizationLM] Optimizing PoseGraph having 14 nodes and 35 edges.
Line process weight : 60.762800
[Initial ] residual : 6.336097e+01, lambda : 1.324043e+00
[Iteration 00] residual : 6.334147e+01, valid edges : 22, time : 0.000 sec.
[Iteration 01] residual : 6.334138e+01, valid edges : 22, time : 0.000 sec.
Current_residual - new_residual < 1.000000e-06 * current_residual
[GlobalOptimizationLM] total time : 0.001 sec.
CompensateReferencePoseGraphNode : reference : 0
There are 14 fragments and 52 valid matching pairs among the fragments. After 23 iteration, 11 edges are detected to be false positive. After they are pruned, pose graph optimization runs again to achieve tight alignment.


--- layout: post date: 2007-02-07 time: "09:00:00" authors: ["Greg Wilson"] title: "Software Carpentry Screencasts" tags: ["Curriculum", "Feedback"] ---
Chris Lasher, who audited the Software Carpentry course long-distance last time around, has put together some screencasts to go with the first few lectures:
I think this is very cool — if you have feedback, or want to praise him (hint, hint), please drop him a line. I would also be interested in hearing how useful you find these — if there were twenty or thirty covering the whole course, would you actually watch them? And would they help you understand the course material?


“By creating content on SunbirdEd, you consent to publish it under the Creative Commons License Framework https://creativecommons.org/licenses . Please choose the applicable creative commons license you wish to apply to your content”.


Klopp says Gomez 'better than good' after Sterling clash
And the Anfield boss lamented the sudden departure of Mauricio Pochettino from Spurs.
by AFPLIVERPOOL MANAGER Jurgen Klopp said today that defender Joe Gomez was “better than good” after his altercation with England teammate Raheem Sterling earlier this month.
Manchester City forward Sterling initially clashed with Reds defender Gomez towards the end of the Premier League match between the sides on November 10 at Anfield.
The pair were then involved in a fracas the following day on England duty, with Sterling later apologising at a team meeting and on social media.
Sterling subsequently sat out England’s Euro 2020 qualifier against Montenegro as punishment but returned to the starting line-up in the 4-0 victory over Kosovo on Sunday.
Klopp said Gomez, who was left with a scratch on his face following the clash, was fine and the German had no issues with how the situation was handled.
“He is good, better than good,” Klopp said at his pre-match press conference, anxious to downplay the incident.
“The people involved were fine pretty quick,” he added. “Things like this happen in a football environment, that’s how it is.”
“(England manager) Gareth (Southgate) and the English FA (Football Association) dealt with it in a way they thought was right and I cannot judge that because I was not in the situation but the most important thing is that the players are absolutely OK.”
The Liverpool boss said it was good to see Jose Mourinho back in the Premier League after he replaced Mauricio Pochettino in the Tottenham hot seat but had warm words for the Argentine.
“Welcome back Jose,” said Klopp. “It’s nice to have him back. He was desperate you could see (to return) in the time when he was not in.
“But on the other side of course Mauricio is not there any more and that shows how quick things change nowadays. That’s how it is. I think it was only around about five months ago we played each other in the Champions League final.
“And now he’s on holiday and I hope he can enjoy it to be honest. He did a brilliant job at Tottenham. Nobody doubts that.”
Liverpool are eight points clear of second-placed Leicester at the top of the Premier League and nine ahead of defending champions Manchester City but Klopp played down the notion of title talk.
“We don’t think about the title race,” he said. “The biggest challenge is facing constant questions about it.
“Apart from that so far it’s a normal season.”
“We play as good as we can, we try to get as many points as we can and the challenges are the… games we have to play and the next one is Crystal Palace.”


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Welcome to the web page, just press any button you want, there should be a description on button.
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< the beginning >
Like most children, I had a lot of ideas about my future profession.
While some most of my interests have changed since then, I still believe that my ideal career incorporates 3 things: creativity, problem solving, and helping others. I've tried out several paths so far, and have picked up some skills that I'm proud of along the way. My next step is pursuing a career in programming.
< /the beginning >
< before >
Piano Teacher
By Amedee de Noe [Public domain],
via Wikimedia Commons
ESL Teacher
By Internet Archive Book Images [No restrictions],
via Wikimedia Commons
I really enjoyed these jobs! They allowed me to work with both children and adults, to travel to Eastern Europe and North Africa, and taught me some valuable communication and cross-cultural skills. One of the major lessons I took from these jobs was that I find great joy in helping people improve their lives, even in small ways.
< /before >
< the transition point >
Quality Trainer/Curriculum Design
FOTO:FORTEPAN / Koelcsey Ferenc Dunakeszi Varosi Koenyvtar / Petanovics fenykepek [CC BY-SA 3.0],
via Wikimedia Commons
This job seemed like a great fit for me: I was able to continue the work of training, and was given the opportunity to design a curriculum from scratch. It was slightly different from my previous experience in that most of the training centered around how to use various pieces of software. I quickly realized that a lot of the workflow problems I saw were caused by quirks or gaps in the programs we were using. These were problems that no amount of training could fix, and that really bothered me.
At this point, I also became interested in coding as a career. I spent a lot of my free time learning via Codecademy and freeCodeCamp, but found it difficult to progress quickly while working full-time and commuting 3 hours a day. So, I made a big decision: I saved some money and quit my job to pursue coding full time.
< /the transition point >
< today >
Code Student
By User Gflores on en.wikipedia [Public domain],
via Wikimedia Commons
That pretty much brings us to today. I'm currently studying web development through LaunchCode's LC101 course. We've also covered a bit of python and will be tackling the back-end later this summer. In my free time, I'm continuing to work on front-end projects and test my Javascript knowledge through freeCodeCamp, and I'm acting as a team lead for an international bunch of developers and devs-in-training through a group called Chingu Cohorts. You can see some of the projects members have built over the past few months here.
In summary: It's taken me a while to get to this point, but I'm more certain than ever that a career in programming is in my future; I'm committed to doing everything I can to reach that goal.
< /today >


Simple exercise created with Bootstrap, CSS, and Javascript. Full code is here: Github
Created by yarriva.com


Herodotus (c. 484 BC – c. 425 BC) was an ancient Greek historian who was born in Halicarnassus in the Persian Empire (modern-day Bodrum, Turkey). He is known for having written the book The Histories, a detailed record of his "inquiry" (ἱστορία historía) on the ori...


http://conferences.oreillynet.com/pub/w/40/program.html
Web 2.0 Conference
:
October 5
-
7
, at the
Argent Hotel, San Francisco, CA


[gecode-users] about the backtrack
Christian Schulte
cschulte at kth.se
Thu Jun 19 11:17:43 CEST 2008
Thats explained in the documentation. Look for stop objects.
Christian
--
Christian Schulte, www.ict.kth.se/~cschulte/
From: users-bounces at gecode.org [mailto:users-bounces at gecode.org] On Behalf
Of Mauricio Toro
Sent: Thursday, June 19, 2008 7:59 AM
To: gecode list
Subject: [gecode-users] about the backtrack
Hello Juan Carlos, Guido and all,
Can you give some information about how to run the BAB search with a time
limit?
I am interesting in that too.
Thanks,
Mauricio
2008/6/18 Juan Carlos <carlvall at gmail.com>:
Exactly! is large neighborhood search. And I get your idea is very clever.
thanks.
Juan Carlos.
On Wed, Jun 18, 2008 at 3:08 PM, Guido Tack <tack at ps.uni-sb.de> wrote:
Juan Carlos wrote:
Now I see, I was confused about how the backtrack works.
The idea is a Local Search Method, first find a basic solution, and then
make little changes till the best solution is found, here are the steps:
1)choose the best value for each variable (this value is selected by a
function based on external information), once all the variables had been
assigned thats a basic solution.
2) Based on that solution , re-assign some variables in order to find a
better solution in a fast way. The variables that are going to be
re-inserted are chosen by a function based on external information and the
value is chosen by the same function of step 1.
3) repeat 2 till no solution left.
By external information I mean the information of the problem instance.
Now I have some ideas about how to implement this local search but they are
not clear yet. Any suggestions are welcome.
That sounds a lot like large neighborhood search. I'd try using a plain BAB
search to find a solution, and then start a nested search, where you create
a new space, assign some of the variables, and run some limited BAB (e.g.
using a time limit). Once you find a better solution there, you reuse that
for the original, "master" BAB search. If you don't find a better solution
within the time limit, just go on in the master search.
To implement this, you'll probably have to implement your own search engines
or at least modifiy ours, but it should be possible.
Cheers,
Guido
_______________________________________________
Gecode users mailing list
users at gecode.org
https://www.gecode.org/mailman/listinfo/gecode-users
--
Mauricio Toro Bermudez
Estudiante de Ingeniería de Sistemas
Pontificia Universidad Javeriana, Colombia
Stagiare à l'Ircam
1, place Igor-Stravinsky 75004 Paris,
France de 2008 à 2009
--
Mauricio Toro Bermudez
Estudiante de Ingeniería de Sistemas
Pontificia Universidad Javeriana, Colombia
Stagiare à l'Ircam
1, place Igor-Stravinsky 75004 Paris,
France de 2008 à 2009
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In-VM pipe is a direct event forwarding mechanism between two
ProtocolHandler
s in the
same Java Virtual Machine. Using in-VM pipe, you can remove the overhead
of encoding and decoding which is caused uselessly by local loopback
network communication. Here are some useful situations possible:
Please refer to Tennis example.


Asteroids
问题描述 :
Bessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 <= N <= 500). The grid contains K asteroids (1 <= K <= 10,000), which are conveniently located at the lattice points of the grid.
Fortunately, Bessie has a powerful weapon that can vaporize all the asteroids in any given row or column of the grid with a single shot.This weapon is quite expensive, so she wishes to use it sparingly.Given the location of all the asteroids in the field, find the minimum number of shots Bessie needs to fire to eliminate all of the asteroids.
输入:
* Line 1: Two integers N and K, separated by a single space.
* Lines 2..K+1: Each line contains two space-separated integers R and C (1 <= R, C <= N) denoting the row and column coordinates of an asteroid, respectively.
* Lines 2..K+1: Each line contains two space-separated integers R and C (1 <= R, C <= N) denoting the row and column coordinates of an asteroid, respectively.
输出:
* Line 1: The integer representing the minimum number of times Bessie must shoot.
样例输入:
3 4 1 1 1 3 2 2 3 2
样例输出:
2
温馨提示:
INPUT DETAILS:
The following diagram represents the data, where “X” is an asteroid and “.” is empty space:
X.X
.X.
.X.
The following diagram represents the data, where “X” is an asteroid and “.” is empty space:
X.X
.X.
.X.
OUTPUT DETAILS:
Bessie may fire across row 1 to destroy the asteroids at (1,1) and (1,3), and then she may fire down column 2 to destroy the asteroids at (2,2) and (3,2).
解题代码:
//* @author<EMAIL_ADDRESS>import java.util.Scanner; public class Main { static int a,b; static int[][] map; static int[] used; static int[] match; public static void main(String[] args) { Scanner in=new Scanner(System.in); a=in.nextInt(); b=in.nextInt(); map=new int[a+1][a+1]; for(int i=0;i< b;i++) map[in.nextInt()][in.nextInt()]=1; match=new int[a+1]; used=new int[a+1]; int count=0; for(int i=1;i<=a;i++) { for(int j=0;j<=a;j++) used[j]=0; if(find(i))count++; } System.out.print(count); } public static boolean find(int k) { for(int i=1;i<=a;i++) if(map[k][i]==1&&used[i]==0) { used[i]=1; if(match[i]==0||find(match[i])) { match[i]=k; return true; } } return false; } }
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正解，应该是200！
不错，值得借鉴
能告诉我为什么对于每一个m，cnt的值不用更新吗?这儿我想不通啊，谢谢
此网站甚是喜欢，潜力巨大，请问站长，如何加入开发团队~
对，这里说的最长回文子序列，非子串
正是我要找的，适合新手
这个问题别太纠结了，不同的编译器结果不一
网站不错，支持一个
顶一个 赞一个
你这个代码显示风格很给你啊，怎么做出来的？
确实有点难度，搞了好久。int溢出要注意
很有意思，可惜我很菜啊
正确性是关键，冲突是都会有的，主要是那种算法冲突的概率低


Selection type for the first calendar:
Single
Multiple
Range
Show/hide weeknumbers for the first calendar:
hide
Calendar with preset dates
Calendar with Minimum and Maximum Date & Format Pattern
Calendar with no format pattern & ISO min-max dates
Calendar with primary and secondary calendar type


Hey, my name is Steve Dole and I was born and raised on the island of Oahu and will be majoring in software engineering this upcoming fall. I have helped to ideate and create this company from the ground up and feel strongly for its message. I aspire to be an entrepreneur, where one day where I can use my marketing skills and soon to be software engineering skills to make a difference in the world we live in.


{% extends 'base.html' %} {% block page_specific_css %} {% endblock %} {% block content%}
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"""
A collection of base classes used for the backend implementations of the GDS
CLI commands
"""
import abc
import sys
from typing import Iterable
import fprime_gds.common.gds_cli.filtering_utils as filtering_utils
import fprime_gds.common.gds_cli.misc_utils as misc_utils
import fprime_gds.common.gds_cli.test_api_utils as test_api_utils
from fprime_gds.common.pipeline.dictionaries import Dictionaries
from fprime_gds.common.testing_fw import predicates
from fprime_gds.common.testing_fw.api import IntegrationTestAPI
[docs]class BaseCommand(abc.ABC):
"""
The base class for implementing a GDS CLI command's functionality, once
arguments are parsed and passed into this command.
"""
@classmethod
[docs] def _log(cls, log_text: str):
"""
Takes the given string and logs it (by default, logs all output to the
console). Will ignore empty strings.
:param log_text: The string to print out
"""
if log_text:
print(log_text)
sys.stdout.flush()
@classmethod
@abc.abstractmethod
[docs] def handle_arguments(cls, *args, **kwargs):
"""
Do something to handle the input arguments given
"""
[docs]class QueryHistoryCommand(BaseCommand):
"""
The base class for a set of related GDS CLI commands that need to query and
display received data from telemetry channels, F' events, command histories,
or similar functionalities with closely-related interfaces.
"""
@classmethod
@abc.abstractmethod
[docs] def _get_item_list(
cls,
project_dictionary: Dictionaries,
filter_predicate: predicates.predicate,
) -> Iterable:
"""
Gets a sorted list of items from the dictionary, filtered by the given
predicate, and return it.
:param project_dictionary: The dictionary object for the project
containing the item type definitions
:param filter_predicate: Test API predicate used to filter shown items
:return: An iterable collection of items that passed the filter
"""
@classmethod
[docs] def _get_item_list_string(
cls,
items: Iterable,
json: bool = False,
) -> str:
"""
Takes a list of items from the dictionary and returns a human-readable
string containing their details.
:param items: An iterable collection of F' data objects
:param json: Whether to print out each item in JSON format or not
:return: A string containing the details of each item
"""
return "\n".join(cls._get_item_string(item, json) for item in items)
@classmethod
@abc.abstractmethod
[docs] def _get_upcoming_item(
cls,
api: IntegrationTestAPI,
filter_predicate: predicates.predicate,
min_start_time="NOW",
timeout: float = 5.0,
):
"""
Retrieves an F' item that's occurred since the given time and returns
its data.
"""
@classmethod
[docs] def _get_item_string(
cls,
item,
json: bool = False,
) -> str:
"""
Takes an F' item and returns a human-readable string of its data.
:param item: The F' item to convert to a string
:param json: Whether to print out each item in JSON format or not
:return: A string representation of "item"
"""
return misc_utils.get_item_string(item, json)
@classmethod
[docs] def _get_search_filter(
cls,
ids: Iterable[int],
components: Iterable[str],
search: str,
json: bool = False,
) -> predicates.predicate:
"""
Returns a predicate that can be used to filter any received messages.
This is done to link printing code to filtering, so that filtering ALWAYS filters the same strings as are printed.
NOTE: Currently assumes that item list strings will contain the
individual strings of each items to work with both, which there's no
guarantee of if _get_item_list_string is overridden
:param item: The F' item to convert to a string
:param json: Whether to convert each item to a JSON representation
before filtering them
:return: A string representation of "item"
"""
item_to_string = lambda x: cls._get_item_string(x, json)
return filtering_utils.get_full_filter_predicate(
ids, components, search, to_str=item_to_string
)
@classmethod
[docs] def _list_all_possible_items(
cls, dictionary_path: str, search_filter: predicates.predicate, json: bool
) -> str:
"""
Returns a string of the the information for all relevant possible items
for this command, filtered using the given predicate.
:param dictionary_path: The string path to the dictionary file we should
look for possible items in
:param search_filter: The predicate to filter the items with
:param json: Whether to print out each item in JSON format or not
:return: A string describing each item relevant to this command that
passes the given filter
"""
project_dictionary = Dictionaries()
project_dictionary.load_dictionaries(dictionary_path, packet_spec=None)
items = cls._get_item_list(project_dictionary, search_filter)
return cls._get_item_list_string(items, json)
@classmethod
[docs] def _execute_query(
cls,
connection_info: misc_utils.ConnectionInfo,
search_info: misc_utils.SearchInfo,
timeout: float,
):
"""
Takes in the given arguments and uses them to print out a formatted
string of items the user wants to see from the Test API; if the option
is present, repeat doing this until the user exits the program.
For descriptions of these arguments, and more function details, see:
Gds/src/fprime_gds/executables/fprime_cli.py
"""
dictionary, ip_address, port = tuple(connection_info)
is_printing_list, ids, components, search, json = tuple(search_info)
search_filter = cls._get_search_filter(ids, components, search, json)
if is_printing_list:
cls._log(cls._list_all_possible_items(dictionary, search_filter, json))
return
# ======================================================================
# Set up Test API
pipeline, api = test_api_utils.initialize_test_api(
dictionary, server_ip=ip_address, server_port=port
)
# ======================================================================
if timeout:
item = cls._get_upcoming_item(api, search_filter, "NOW", timeout)
cls._log(cls._get_item_string(item, json))
else:
def print_upcoming_item(min_start_time="NOW"):
item = cls._get_upcoming_item(api, search_filter, min_start_time)
cls._log(cls._get_item_string(item, json))
# Update time so we catch the next item since the last one
if item:
min_start_time = predicates.greater_than(item.get_time())
min_start_time = filtering_utils.time_to_data_predicate(
min_start_time
)
return (min_start_time,)
misc_utils.repeat_until_interrupt(print_upcoming_item, "NOW")
# ======================================================================
# Tear down Test API
pipeline.disconnect()
api.teardown()
# ======================================================================
@classmethod
[docs] def handle_arguments(cls, *args, **kwargs):
"""
Handle the given input arguments, then execute the command itself
NOTE: This is currently just a pass-through method
"""
connection_info = misc_utils.ConnectionInfo(
kwargs["dictionary"], kwargs["ip_address"], kwargs["port"]
)
search_info = misc_utils.SearchInfo(
kwargs["is_printing_list"],
kwargs["ids"],
kwargs["components"],
kwargs["search"],
kwargs["json"],
)
cls._execute_query(connection_info, search_info, kwargs["timeout"])


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You're approached by an alchemist. She tells you that there's an alchemy contest coming up and that there's a wizard that lives in a tower who has been working on a potion. The alchemist really wants the recipe for the potion so she can win the contest.
Mission goal: Get the recipe to the alchemist.
Bonus objective A: No suspicious harm done - this will start a crime investigation, which is undesirable. [Reward: 10]
Bonus objective B: Leave no trace of the purpose of your mission. For example, just copy the recipe instead of stealing it. [Reward: 10]
Bonus objective C: Sabotage the wizard's recipe to set back his research. [Reward: 10]
Bonus objective D: Kill the wizard. [Reward: 10]
Bonus objective E: Kidnap the wizard. [Reward: 20]
| Level 1-3 | Level 4-6 | Level 7-9 | |
|---|---|---|---|
| Wizard race | Goblin | Human | Elf |
| Wizard stats | Wisdom +2 | Wisdom +2 | Wisdom +3 |
| Henchmen | Goblins and Orcs | Goblins and Humans | Humans and Orcs |
| Reward | 10 | 15 | 20 |


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Y
Submit
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Click on square to see if you win


Farafina is set to publish debut novel, Of Women and Frogs, by Bisi Adjapon, in December 2018. Of Women and Frogs is the coming-of-age story of Esi, a feisty half-Nigerian girl growing up in post-colonial Ghana, with occasional visits to her maternal family in Lagos.
Welcome To Ake Arts & Books Festival About Ake Festival Ake Arts & Book Festival is four days of cultural immersion. As is always the case, Ake Arts and Book Festival aims to showcase the very best of contemporary African literature, poetry, music, art, film, and theatre.
A Walk in the Burb For the first time ever, in a suburb where cars whiz around curves and race to beat red lights, I walked to the library and bank. If I'd worn shorts and sneakers, jogging in place at intersections while waiting for the light to change, people would have thought, "Oh, she's exercising."
Bisi Adjapon is a Ghanaian linguist and writer who once worked in the United States and for several embassies. Her debut novel, “Of Women and Frogs,” was recently published by a Nigerian publisher. In this interview by KINGSLEY ALUMONA, she speaks about her novel, literature and immigration issues.
It reads like the experiences of a girl, Esi. That is only on the surface. Of Women and Frogs is deeper. BisiAdjapon just hid behind Esi to recall Ghana’s tortuous history.
In “Of Women and Frogs,” Bisi Adjapon’s stunning debut novel published by Farafina in 2018, we follow Esi Agyekum, a half-Nigerian girl growing up in Ghana with her father, step-mother, brother, and half-sisters, as she comes into her own.
The first thing that came to mind when I picked up Of Women and Frogs on the second day of the Ake Arts and Book Festival, was the animated Disney film, The Princess and the Frog loosely based on the novel, The Frog Princess by E.D. Baker. Briefly, I wondered what it was with women and frogs. As soon as I started reading though, I couldn’t stop.
© 2018 Bisi Adjapon. All rights reserved


90's Music Quiz
Test your knowledge of the alternative/grunge era. You will have 3 minutes to complete the quiz, and every wrong answer will result in additional time coming off the clock. Are you ready to rock?
Game Over
Enter your initials here:
Test your knowledge of the alternative/grunge era. You will have 3 minutes to complete the quiz, and every wrong answer will result in additional time coming off the clock. Are you ready to rock?
Enter your initials here:


master
PortMaster 3 with ComOS 3.7.1
PortMaster 3 with ComOS 3.7
PortMaster 3 with ComOS 3.5
PortMaster 2 with ComOS 3.7
PortMaster 3 with ComOS 3.8
PortMaster 3 with ComOS 3.9
PortMaster 3 with ComOS 4.0
PortMaster 2 with ComOS 4.1
PortMaster 3 with ComOS 3.7.1
PortMaster 3 with ComOS 3.7
PortMaster 3 with ComOS 3.5
PortMaster 2 with ComOS 3.7
PortMaster 2 with ComOS 3.5
IRX with ComOS 3.7R
IRX with ComOS 3.5R


Progress
Styles
Progress bar is a graphical control element used to visualize the progression of an extended computer operation, such as a download, file transfer, or professional skill and work task. The graphic is accompanied by a textual representation of the progress in a percent format.
Basic Progress
With Label
Striped
Indicating
Animated
Stacked
Color
You can also apply any colour suited according to the nature of the task.
Bar Size
You can also use a thinner version of the default progress by simple changing the classes.
Radius
You can also use a radius style of the default progress by simple changing the classes.
Vertical Color
Vertical Bar Size
Vertical Complex Usage
Skill Bars
A more recent development is the professional skill bars, which is used in your professional situations where the extent of the skill can not be determined in a way that could be expressed as a percentage.This bar uses motion and title text to show that progress is taking place.
Photoshop 40%
Html 80%
Javascript 60%
asProgress official website
Progress bar use a linear function, such that the advancement of a progress bar is directly proportional to the amount of work that has been completed.


While webcams, video chat and other camera-related stuff has been around for a pretty respectable time, until now we had to rely on Flash or other native tools to put them to work. On of the things the WebRTC API offers us is access to video and audio input from a user's webcam/microphone. Combined with the powerful canvas element (all kneel before the canvas element please) we can do some really sweet stuff.
Here are some examples
This example only works in Chrome and Opera (It works in Firefox if you enable the
media.navigator.enabled
option in about:config
). And it helps if you have a working webcam. :)
Wait wait wait. How does that work again?
You add a <video autoplay="autoplay"></video>
tag and use Javascript to stream the webcam data to your video
element, comme ça:
// Get the video dom element
var video = document.getElementById("video");
// Handle video start
function videoStart(stream){
if (window.URL) {
video.src = window.URL.createObjectURL(stream);
} else {
video.src = stream; // Opera.
};
};
// Handle video error
function videoError(error){
// ... handle the error here ...
};
// Get the user media, we only want video.
// Calls the videoStart callback if succeeded (the browser asks for permission)
// Calls the videoError callback if it failed
navigator.getUserMedia({ video: true}, videoStart, videoError);
Now the really cool stuff is happening when we combine this with all the might of the <canvas></canvas>
element.
We can directly draw video frame to a canvas with context.drawImage(videoElement, 0, 0, canvas.width, canvas.height);
. And with that
you can do whatever you like with the pixel data.
Useful?
Yes! Think of all the options we have now in the browser, with no additional software needed! We could:
- Build a VOIP webapp
- Stream webcam data directly to a server for live analysis
- Build augmented reality games, applications and so on
- Build an Instagram-type app in your browser
- Create live animated gifs (using a javascript gif encoder)
Sounds good, sounds good. But can I use this today?
For most browsers, this shouldn't be a problem as there are polyfills available. Opera has unprefixed native
support for getUserMedia
, in Webkit it's available with a vendor prefix and it's available in FireFox, although
you have to enable it first (see above on how to enable it).
Soooouuurrrrce...need sooooourrrrce...
Feel free to look around the differente source files we used for this example.


meta.nameof
Convert any D symbol or type to a human-readable string, at compile time.
Given any D symbol (class, template, function, module name, or non-local variable)
or any D type, convert it to a compile-time string literal,
optionally containing the fully qualified and decorated name.
Limitations (as of DMD 0.162):
1. Names of local variables cannot be determined, because they are not permitted
as template alias parameters. Technically, it's possible to determine the name by using
a mixin hack, but it's so ugly that it cannot be recommended.
2. The name mangling for symbols declared inside extern(Windows), extern(C) and extern(Pascal)
functions is inherently ambiguous, so such inner symbols are not always correctly displayed.
- template manglednameof(alias A)
- Like .mangleof, except that it works for an alias template parameter instead of a type.
- template prettynameof(alias A)
- The symbol as it was declared, but including full type qualification.
example:
"int mymodule.myclass.myfunc(uint, class otherclass)"
- template prettytypeof(A)
- Convert any D type to a human-readable string literal
example:
"int function(double, char[])"
- template qualifiednameof(alias A)
- Returns the qualified name of the symbol A.
This will be a sequence of identifiers, seperated by dots.
eg "mymodule.myclass.myfunc"
This is the same as prettynameof(), except that it doesn't include any type information.
- template symbolnameof(alias A)
- Returns the unqualified name, as a single text string.
eg. "myfunc"


Next: time, Previous: trace, Up: Environment Dictionary
step
form ⇒ {result}*
form—a form; evaluated as described below.
results—the values returned by the form.
step implements a debugging paradigm wherein the programmer is allowed to step through the evaluation of a form. The specific nature of the interaction,
including which I/O streams are used and whether the stepping has lexical or dynamic scope,
is implementation-defined.
step evaluates form in the current environment. A call to step can be compiled, but it is acceptable for an implementation to interactively step through only those parts of the computation that are interpreted.
It is technically permissible for a conforming implementation to take no action at all other than normal execution of the form. In such a situation, (step form) is equivalent to, for example, (let () form). In implementations where this is the case, the associated documentation should mention that fact.
‘trace; untrace’
Implementations are encouraged to respond to the typing of ? or the pressing of a "help key" by providing help including a list of commands.