"""Provides the main Connection class."""
import re
import os
import time
import shelve
import logging
from hashlib import md5
from collections import deque
from condoor.chain import Chain
from condoor.exceptions import ConnectionError, ConnectionTimeoutError
from condoor.utils import FilteredFile, normalize_urls, make_handler
from condoor.version import __version__
logger = logging.getLogger(__name__)
_CACHE_FILE = "/tmp/condoor." + __version__ + ".shelve"
[docs]class Connection(object):
"""Connection class providing the condoor API.
Main API class providing the basic API to the physical devices.
It implements the following methods:
- connect
- reconnect
- disconnect
- send
- reload
- enable
- run_fsm
"""
[docs] def __init__(self, name, urls=[], log_dir=None, log_level=logging.DEBUG, log_session=True):
"""Initialize the :class:`condoor.Connection` object.
Args:
name (str): The connection name.
urls (str or list): This argument may be a string or list of strings or list of list of strings.
When **urls** type is string it must be valid URL in the following format::
urls = "<protocol>://<user>:<password>@<host>:<port>/<enable_password>
Example::
urls =<EMAIL_ADDRESS>The *<port>* can be omitted and default port for protocol will be used.
When **urls** type is list of strings it can provide multiple intermediate hosts (jumphosts) with
their credentials before making the final connection the target device. Example::
urls = ["ssh://admin:secretpass@jumphost", <EMAIL_ADDRESS>urls = ["ssh://admin:pass@jumphost1", "ssh://admin:pass@jumphost2",
<EMAIL_ADDRESS>The **urls** can be list of list of strings. In this case the multiple connection chains can be provided
to the target device. This is used when device has two processor cards with console connected to
both of them. Example::
urls = [["ssh://admin:pass@jumphost1", "telnet://cisco:cisco@termserv:2001"],
["ssh://admin:pass@jumphost1", "telnet://cisco:cisco@termserv:2002"]]
log_dir (str): The path to the directory when *session.log* and *condoor.log* is stored. If *None*
the condoor log and session log is redirected to *stdout*
log_level (int): The condoor logging level.
log_session (Bool): If **True** the terminal session is logged.
"""
self._discovered = False
self._last_chain_index = 0
self._msg_callback = None
self.log_session = log_session
top_logger = logging.getLogger("condoor")
if len(top_logger.handlers) == 0:
self._handler = make_handler(log_dir, log_level)
top_logger.addHandler(self._handler)
top_logger.setLevel(log_level)
if log_session:
self.session_fd = self._make_session_fd(log_dir)
else:
self.session_fd = None
top_logger.info("Condoor Version {}".format(__version__))
top_logger.debug("Cache filename: {}".format(_CACHE_FILE))
self.connection_chains = [Chain(self, url_list) for url_list in normalize_urls(urls)]
def __del__(self):
"""Clean up the object."""
if self._handler:
top_logger = logging.getLogger("condoor")
top_logger.removeHandler(self._handler)
def _make_session_fd(self, log_dir):
session_fd = None
if log_dir is not None:
try:
# FIXME: take pattern from pattern manager
session_fd = FilteredFile(os.path.join(log_dir, 'session.log'),
mode="w", pattern=re.compile("s?ftp://.*:(.*)@"))
except IOError:
logger.error("Unable to create session log file")
else:
if self.log_session:
import sys
session_fd = sys.stderr
return session_fd
def _get_key(self):
key = md5()
key.update(str(self.connection_chains))
logger.debug("Cache key: {}".format(self.connection_chains))
return key.hexdigest()
def _cache_open(self, mode='r'):
try:
cache = shelve.open(_CACHE_FILE, mode)
except Exception:
logger.error("Unable to open a cache file for read.")
return None
return cache
def _write_cache(self):
key = self._get_key()
cache = self._cache_open(mode='c')
if cache is not None:
cache[key] = self.description_record
cache.close()
logger.info("Connection information cached: {}".format(key))
def _read_cache(self):
key = self._get_key()
cache = self._cache_open(mode='r')
if cache is not None:
try:
self.description_record = cache[key]
logger.info("Read cached information.")
except KeyError:
logger.debug("Connection cache missed: {}.".format(key))
finally:
cache.close()
def _clear_cache(self):
# key = self._get_key()
self._read_cache()
self.description_record = None
logger.debug("Description record: {}".format(self.description_record))
self._write_cache()
def _chain_indices(self):
"""Get the deque of chain indices starting with last successful index."""
chain_indices = deque(range(len(self.connection_chains)))
chain_indices.rotate(self._last_chain_index)
return chain_indices
[docs] def connect(self, logfile=None, force_discovery=False):
"""Connect to the device.
Args:
logfile (file): Optional file descriptor for session logging. The file must be open for write.
The session is logged only if ``log_session=True`` was passed to the constructor.
If *None* then the default *session.log* file is created in `log_dir`.
force_discovery (Bool): Optional. If True the device discover process will start after getting connected.
Raises:
ConnectionError: If the discovery method was not called first or there was a problem with getting
the connection.
ConnectionAuthenticationError: If the authentication failed.
ConnectionTimeoutError: If the connection timeout happened.
"""
if logfile:
self.session_fd = logfile
self._clear_cache() if force_discovery else self._read_cache()
excpt = ConnectionError("Could not connect to the device.")
chains = len(self.connection_chains)
for index, chain in enumerate(self.connection_chains, start=1):
self.emit_message("Connection chain {}/{}: {}".format(index, chains, str(chain)), log_level=logging.INFO)
begin = time.time()
attempt = 1
for index in self._chain_indices():
self.emit_message("Connection chain/attempt [{}/{}]".format(index + 1, attempt), log_level=logging.INFO)
chain = self.connection_chains[index]
self._last_chain_index = index
try:
if chain.connect():
break
except (ConnectionTimeoutError, ConnectionError) as e: # pylint: disable=invalid-name
self.emit_message("Connection error: {}".format(e), log_level=logging.ERROR)
excpt = e
attempt += 1
else:
# invalidate cache
raise excpt
self._write_cache()
elapsed = time.time() - begin
self.emit_message("Target device connected in {:.2f}s.".format(elapsed), log_level=logging.INFO)
logger.debug("-" * 20)
[docs] def reconnect(self, logfile=None, max_timeout=360, force_discovery=False):
"""Reconnect to the device.
It can be called when after device reloads or the session was
disconnected either by device or jumphost. If multiple jumphosts are used then `reconnect` starts from
the last valid connection.
Args:
logfile (file): Optional file descriptor for session logging. The file must be open for write.
The session is logged only if ``log_session=True`` was passed to the constructor.
It the parameter is not passed then the default *session.log* file is created in `log_dir`.
max_timeout (int): This is the maximum amount of time during the session tries to reconnect. It may take
longer depending on the TELNET or SSH default timeout.
force_discovery (Bool): Optional. If True the device discover process will start after getting connected.
Raises:
ConnectionError: If the discovery method was not called first or there was a problem with getting
the connection.
ConnectionAuthenticationError: If the authentication failed.
ConnectionTimeoutError: If the connection timeout happened.
"""
if logfile:
self.session_fd = logfile
if force_discovery:
self._clear_cache()
# self.disconnect()
else:
self._read_cache()
chain_indices = self._chain_indices()
excpt = ConnectionError("Could not (re)connect to the device")
chains = len(self.connection_chains)
for index, chain in enumerate(self.connection_chains, start=1):
self.emit_message("Connection chain {}/{}: {}".format(index, chains, str(chain)), log_level=logging.INFO)
self.emit_message("Trying to (re)connect within {} seconds".format(max_timeout), log_level=logging.INFO)
sleep_time = 0
begin = time.time()
attempt = 1
elapsed = 0
while max_timeout - elapsed > 0:
if sleep_time > 0:
self.emit_message("Waiting {:.0f}s before next connection attempt".format(sleep_time), log_level=logging.INFO)
time.sleep(sleep_time)
# up
elapsed = time.time() - begin
# logger.debug("Connection attempt {} Elapsed {:.1f}s".format(attempt, elapsed))
try:
index = chain_indices[0]
self.emit_message("Connection chain/attempt [{}/{}]".format(index + 1, attempt),
log_level=logging.INFO)
chain = self.connection_chains[index]
self._last_chain_index = index
if chain.connect():
break
except (ConnectionTimeoutError, ConnectionError) as e: # pylint: disable=invalid-name
if chain.ctrl.is_connected:
prompt = chain.ctrl.detect_prompt()
index = chain.get_device_index_based_on_prompt(prompt)
chain.tail_disconnect(index)
self.emit_message("Connection error: {}".format(e), log_level=logging.ERROR)
chain_indices.rotate(-1)
excpt = e
finally:
# TODO: Make a configuration parameter
elapsed = time.time() - begin
sleep_time = min(30, max_timeout - elapsed)
self.emit_message("Time elapsed {:.0f}s/{:.0f}s".format(elapsed, max_timeout), log_level=logging.INFO)
attempt += 1
else:
self.emit_message("Unable to (re)connect within {:.0f}s".format(elapsed), log_level=logging.ERROR)
raise excpt
self._write_cache()
self.emit_message("Target device connected in {:.0f}s.".format(elapsed), log_level=logging.INFO)
logger.debug("-" * 20)
[docs] def send(self, cmd="", timeout=60, wait_for_string=None):
"""Send the command to the device and return the output.
Args:
cmd (str): Command string for execution. Defaults to empty string.
timeout (int): Timeout in seconds. Defaults to 60s
wait_for_string (str): This is optional string that driver
waits for after command execution. If none the detected
prompt will be used.
Returns:
A string containing the command output.
Raises:
ConnectionError: General connection error during command execution
CommandSyntaxError: Command syntax error or unknown command.
CommandTimeoutError: Timeout during command execution
"""
return self._chain.send(cmd, timeout, wait_for_string)
[docs] def disconnect(self):
"""Disconnect the session from the device and all the jumphosts in the path."""
self._chain.disconnect()
[docs] def discovery(self, logfile=None):
"""Discover the device details.
This method discover several device attributes.
Args:
logfile (file): Optional file descriptor for session logging. The file must be open for write.
The session is logged only if ``log_session=True`` was passed to the constructor.
It the parameter is not passed then the default *session.log* file is created in `log_dir`.
"""
logger.warn("'discovery' method is deprecated. Please 'connect' with force_disovery=True.")
logger.info("Device discovery process started")
self.connect(logfile=logfile, force_discovery=True)
self.disconnect()
[docs] def enable(self, enable_password=None):
"""Change the device mode to privileged.
If device does not support privileged mode the the informational message to the log will be posted.
Args:
enable_password (str): The privileged mode password. This is optional parameter. If password is not
provided but required the password from url will be used. Refer to :class:`condoor.Connection`
"""
self._chain.target_device.enable(enable_password)
[docs] def reload(self, reload_timeout=300, save_config=True, no_reload_cmd=False):
"""Reload the device and wait for device to boot up."""
self._clear_cache()
self._chain.target_device.reload(reload_timeout, save_config, no_reload_cmd)
[docs] def run_fsm(self, name, command, events, transitions, timeout, max_transitions=20):
"""Instantiate and run the Finite State Machine for the current device connection.
Here is the example of usage::
test_dir = "rw_test"
dir = "disk0:" + test_dir
REMOVE_DIR = re.compile(re.escape("Remove directory filename [{}]?".format(test_dir)))
DELETE_CONFIRM = re.compile(re.escape("Delete {}/{}[confirm]".format(filesystem, test_dir)))
REMOVE_ERROR = re.compile(re.escape("%Error Removing dir {} (Directory doesnot exist)".format(test_dir)))
command = "rmdir {}".format(dir)
events = [device.prompt, REMOVE_DIR, DELETE_CONFIRM, REMOVE_ERROR, pexpect.TIMEOUT]
transitions = [
(REMOVE_DIR, [0], 1, send_newline, 5),
(DELETE_CONFIRM, [1], 2, send_newline, 5),
# if dir does not exist initially it's ok
(REMOVE_ERROR, [0], 2, None, 0),
(device.prompt, [2], -1, None, 0),
(pexpect.TIMEOUT, [0, 1, 2], -1, error, 0)
]
if not conn.run_fsm("DELETE_DIR", command, events, transitions, timeout=5):
return False
This FSM tries to remove directory from disk0:
Args:
name (str): Name of the state machine used for logging purposes. Can't be *None*
command (str): The command sent to the device before FSM starts
events (list): List of expected strings or pexpect.TIMEOUT exception expected from the device.
transitions (list): List of tuples in defining the state machine transitions.
timeout (int): Default timeout between states in seconds.
max_transitions (int): Default maximum number of transitions allowed for FSM.
The transition tuple format is as follows::
(event, [list_of_states], next_state, action, timeout)
Where:
- **event** (str): string from the `events` list which is expected to be received from device.
- **list_of_states** (list): List of FSM states that triggers the action in case of event occurrence.
- **next_state** (int): Next state for FSM transition.
- **action** (func): function to be executed if the current FSM state belongs to `list_of_states`
and the `event` occurred. The action can be also *None* then FSM transits to the next state
without any action. Action can be also the exception, which is raised and FSM stops.
The example action::
def send_newline(ctx):
ctx.ctrl.sendline()
return True
def error(ctx):
ctx.message = "Filesystem error"
return False
def readonly(ctx):
ctx.message = "Filesystem is readonly"
return False
The ctx object description refer to :class:`condoor.fsm.FSM`.
If the action returns True then the FSM continues processing. If the action returns False then FSM stops
and the error message passed back to the ctx object is posted to the log.
The FSM state is the integer number. The FSM starts with initial ``state=0`` and finishes if the ``next_state``
is set to -1.
If action returns False then FSM returns False. FSM returns True if reaches the -1 state.
"""
return self._chain.target_device.run_fsm(name, command, events, transitions, timeout, max_transitions)
def emit_message(self, message, log_level):
"""Call the msg callback function with the message."""
if self._msg_callback:
self._msg_callback(message)
logger.log(log_level, message)
@property
def msg_callback(self):
"""Return the message callback."""
return self._msg_callback
@msg_callback.setter
def msg_callback(self, callback):
"""Set the message callback."""
if callable(callback):
self._msg_callback = callback
else:
self._msg_callback = None
@property
def _chain(self):
return self.connection_chains[self._last_chain_index]
@property
def is_connected(self):
"""Return if target device is connected."""
return self._chain.is_connected
@property
def is_discovered(self):
"""Return if target device is discovered."""
return self._chain.is_discovered
@property
def is_console(self):
"""Return if target device is connected via console."""
return self._chain.is_console
@property
def prompt(self):
"""Return target device prompt."""
return self._chain.target_device.prompt
@property
def hostname(self):
"""Return target device hostname."""
return self._chain.target_device.hostname
@property
def os_type(self):
"""Return the string representing the target device OS type.
For example: IOS, XR, eXR. If not detected returns *None*
"""
return self._chain.target_device.os_type
@property
def os_version(self):
"""Return the string representing the target device OS version.
For example 5.3.1. If not detected returns *None*
"""
return self._chain.target_device.os_version
@property
def family(self):
"""Return the string representing hardware platform family.
For example: ASR9K, ASR900, NCS6K, etc.
"""
return self._chain.target_device.family
@property
def platform(self):
"""Return the string representing hardware platform model.
For example: ASR-9010, ASR922, NCS-4006, etc.
"""
return self._chain.target_device.platform
@property
def mode(self):
"""Return the sting representing the current device mode.
For example: Calvados, Windriver, Rommon.
"""
return self._chain.target_device.driver.platform
@property
def name(self):
"""Return the chassis name."""
return self._chain.target_device.udi['name']
@property
def description(self):
"""Return the chassis description."""
return self._chain.target_device.udi['description']
@property
def pid(self):
"""Return the chassis PID."""
return self._chain.target_device.udi['pid']
@property
def vid(self):
"""Return the chassis VID."""
return self._chain.target_device.udi['vid']
@property
def sn(self): # pylint: disable=invalid-name
"""Return the chassis SN."""
return self._chain.target_device.udi['sn']
@property
def udi(self):
"""Return the dict representing the udi hardware record.
Example::
{
'description': 'ASR-9904 AC Chassis',
'name': 'Rack 0',
'pid': 'ASR-9904-AC',
'sn': 'FOX1830GT5W ',
'vid': 'V01'
}
"""
return self._chain.target_device.udi
@property
def device_info(self):
"""Return the dict representing the target device info record.
Example::
{
'family': 'ASR9K',
'os_type': 'eXR',
'os_version': '<IP_ADDRESS>I',
'platform': 'ASR-9904'
}
"""
return self._chain.target_device.device_info
@property
def description_record(self):
"""Return dict describing :class:`condoor.Connection` object.
Example::
{'connections': [{'chain': [{'driver_name': 'eXR',
'family': 'ASR9K',
'hostname': 'vkg3',
'is_console': True,
'is_target': True,
'mode': 'global',
'os_type': 'eXR',
'os_version': '<IP_ADDRESS>I',
'platform': 'ASR-9904',
'prompt': 'RP/0/RSP0/CPU0:vkg3#',
'udi': {'description': 'ASR-9904 AC Chassis',
'name': 'Rack 0',
'pid': 'ASR-9904-AC',
'sn': 'FOX2024GKDE ',
'vid': 'V01'}}]},
{'chain': [{'driver_name': 'generic',
'family': None,
'hostname': '<IP_ADDRESS>:2045',
'is_console': None,
'is_target': True,
'mode': None,
'os_type': None,
'os_version': None,
'platform': None,
'prompt': None,
'udi': None}]}],
'last_chain': 0}
"""
return {
'connections': [{'chain': [device.device_info for device in chain.devices]}
for chain in self.connection_chains],
'last_chain': self._last_chain_index,
}
@description_record.setter
def description_record(self, cdr):
if cdr is None:
cdr = self.description_record
for chain, data in zip(self.connection_chains, cdr['connections']):
chain.update(None)
logger.debug("Connection information cleared")
return
try:
for chain, data in zip(self.connection_chains, cdr['connections']):
chain.update(data['chain'])
self._last_chain_index = cdr['last_chain']
except KeyError:
logger.debug("Invalid connection information")
logger.debug("Connection information updated from cache.")


|
Apache Mesos
|
Implementation interface for a Socket
.
More...
#include <socket.hpp>
Public Types | |
| enum | Kind { Kind::POLL } |
| Available kinds of implementations. More... | |
Public Member Functions | |
| virtual | ~SocketImpl () |
| int_fd | get () const |
| Returns the file descriptor wrapped by this implementation. More... | |
| Try< Address > | address () const |
Returns the Address with the assigned ip and assigned port. More... | |
| Try< Address > | peer () const |
Returns the peer's Address for the accepted or connected socket. More... | |
| Try< Address > | bind (const Address &address) |
| Assigns the specified address to the socket. More... | |
| virtual Try< Nothing > | listen (int backlog)=0 |
| virtual Future < std::shared_ptr< SocketImpl > > | accept ()=0 |
| Returns an implementation corresponding to the next pending connection for the listening socket. More... | |
| virtual Future< Nothing > | connect (const Address &address)=0 |
| virtual Future< size_t > | recv (char *data, size_t size)=0 |
| virtual Future< size_t > | send (const char *data, size_t size)=0 |
| virtual Future< size_t > | sendfile (int_fd fd, off_t offset, size_t size)=0 |
| virtual Future< std::string > | recv (const Option< ssize_t > &size=None()) |
An overload of recv , which receives data based on the specified 'size' parameter. More... | |
| virtual Future< Nothing > | send (const std::string &data) |
An overload of send , which sends all of the specified data. More... | |
| virtual Try< Nothing > | shutdown (int how) |
| Shuts down the socket. More... | |
| virtual Kind | kind () const =0 |
Static Public Member Functions | |
| static Kind | DEFAULT_KIND () |
Returns the default Kind of implementation. More... | |
| static Try< std::shared_ptr < SocketImpl > > | create (int_fd s, Kind kind=DEFAULT_KIND()) |
Returns an instance of a SocketImpl using the specified kind of implementation. More... | |
| static Try< std::shared_ptr < SocketImpl > > | create (Address::Family family, Kind kind=DEFAULT_KIND()) |
Returns an instance of a SocketImpl using the specified kind of implementation. More... | |
Protected Member Functions | |
| SocketImpl (int_fd _s) | |
| int_fd | release () |
| Releases ownership of the file descriptor. More... | |
Static Protected Member Functions | |
| template<typename T > | |
| static std::shared_ptr< T > | shared (T *t) |
Returns a std::shared_ptr<T> from this implementation. More... | |
Protected Attributes | |
| int_fd | s |
Implementation interface for a Socket
.
Each socket is:
Multiple implementations are supported via the Pimpl pattern, rather than forcing each Socket implementation to do this themselves.
|
strong |
Available kinds of implementations.
| Enumerator | |
|---|---|
| POLL |
|
inlinevirtual |
|
inlineexplicitprotected |
|
pure virtual |
Returns an implementation corresponding to the next pending connection for the listening socket.
All implementations will set the NONBLOCK and CLOEXEC options on the returned socket.
TODO(josephw): MESOS-5729: Consider making the CLOEXEC option configurable by the caller of the interface.
Implemented in process::network::internal::LibeventSSLSocketImpl, and process::network::internal::PollSocketImpl.
Assigns the specified address to the socket.
Address
or an error if the bind system call fails.
|
static |
Returns an instance of a SocketImpl
using the specified kind of implementation.
| s. | The existing file descriptor to use. |
| kind | Optional. The desired implementation. |
SocketImpl
.
|
static |
Returns an instance of a SocketImpl
using the specified kind of implementation.
The NONBLOCK and CLOEXEC options will be set on the underlying file descriptor for the socket.
| kind | Optional. The desired implementation. |
SocketImpl
.
|
static |
Returns the default Kind
of implementation.
|
inline |
Returns the file descriptor wrapped by this implementation.
|
pure virtual |
|
pure virtual |
|
virtual |
An overload of recv
, which receives data based on the specified 'size' parameter.
|
inlineprotected |
Releases ownership of the file descriptor.
Not exposed via the Socket
interface as this is only intended to support Socket::Impl
implementations that need to override the file descriptor ownership.
|
pure virtual |
|
virtual |
An overload of send
, which sends all of the specified data.
| data | The specified data to send. |
|
inlinestaticprotected |
Returns a std::shared_ptr<T>
from this implementation.
Shuts down the socket.
Accepts an integer which specifies the shutdown mode.
Reimplemented in process::network::internal::LibeventSSLSocketImpl.
|
protected |


| 011:007 Khan | : |
And He it is Who has created the heavens and the earth in six Days and His Throne was on the water, that He might try you, which of you is the best in deeds. But if you were to say to them: "You shall indeed be raised up after death," those who disbelieve would be sure to say, "This is nothing but obvious magic." |
| 011:007 Maulana | : |
And He it is Who created the heavens and the earth in six periods; and His Throne of Power is ever on water that He might manifest (the good qualities in) you whoever of you is best in deeds. And if thou sayest, You shall surely be raised up after death, those who disbelieve say: This is nothing but clear deceit. |
| 011:007 Pickthal | : |
And He it is Who created the heavens and the earth in six Days - and His Throne was upon the water - that He might try you, which of you is best in conduct. Yet if thou (O Muhammad) sayest: Lo! ye will be raised again after death! those who disbelieve will surely say: This is naught but mere magic. |
| 011:007 Rashad | : |
He is the One who created the heavens and the earth in six days - and His (earthly) domain was completely covered with water - in order to test you, to distinguish those among you who work righteousness. Yet, when you say, "You will be resurrected after death," those who disbelieve would say, "This is clearly witchcraft." |
| 011:007 Sarwar | : |
God created the heavens and the earth in six days. His Throne existed on water so that He could test you and find out those among you who do good deeds. (Muhammad), if you were to tell them that after death they would be brought back to life again, the unbelievers would say, "This is nothing but obvious magic." |
| 011:007 Shakir | : |
And He it is Who created the heavens and the earth in six periods-- and His dominion (extends) on the water-- that He might manifest to you, which of you is best in action, and if you say, surely you shall be raised up after death, those who disbelieve would certainly say: This is nothing but clear magic. |
| 011:007 Sherali | : |
And HE it is who created the heavens and the earth in six periods, - and HIS throne rest on water - that HE might try you which of you is best in conduct. And if you sayest, 'You shall surely be raised after death,' those who disbelieve will certainly say, 'This is naught but clear deception.' |
| 011:007 Yusufali | : |
He it is Who created the heavens and the earth in six Days - and His Throne was over the waters - that He might try you, which of you is best in conduct. But if thou wert to say to them, "Ye shall indeed be raised up after death", the Unbelievers would be sure to say, "This is nothing but obvious sorcery!" |
Concepts/Themes Covered: أركان الإسلام > التوحيد > توحيد الله تعالي > وجوده Pillars of Islam> Islamic> Oneness of Allah> His Existence أركان الإسلام > التوحيد > توحيد الله تعالي > وحدانيته Pillars of Islam> Islamic> Oneness of Allah> Singularity and Being Unique أركان الإسلام > التوحيد > الملحدون المنكرون ليوم البعث Pillars of Islam> Islamic> The Apostates Who Denies the Resurrection أركان الإسلام > (محمد (صلى الله عليه وسلم > أقوال الكافرين فيه Pillars of Islam> The Blessed Muhammad(PBUH)> The Disbelievers' Tales About Him(PBUH) الإيمان > الإيمان بالله > الابتلاء والفتن اختبار لإيمان المؤمن Faith> Belief In Allah> The Affliction and the Ordeals are test for the Believer's Faith الإيمان > المؤمنون > ابتلاؤهم Faith> The Believers> Their Affliction الإيمان > اليوم الآخر > البعث Faith> The Hereafter> The Resurrection العلوم والفنون > الحقائق العلمية و الإشاة إلى وقائع أيدتهاالإكتشافات العلمية > الإنسان وخلقه Science and Art> The Scientific Facts and the Indication to Facts which have been supported by the Scientific Discoveries>Man and his Creation
This tool uses eight English parallel translations for the Holy Quran imported from Mr. Clay Smith. You can also visit Qurany Concepts for browsing the Quran themes or topics. If you want to search the Holy Quran for keywords, please visit Qurany Keywords.


--- layout: post title: Interview for Arpatech, a big Asian hosting company tags: interview career ---
Hey, I was recently interviewed by Arpatech, a big Asian hosting company. Thanks Wajid for inviting me for the Q&A!
If you want to know more how I started working with Magento, check this out!


C++ is awesome!
C++ is a language all programmers should learn because it a language that also shows you how the lower levels of your computer. By lower levels it means how the computer interprets and stores all the data you use in your code.
This website will help you learn the history, the modern use, and a small tutorial of C++ at the end. Please use the top vavigation system to navigate through the pages.
And as always try and have some fun!


UBC Shooting Sports
Match and Membership System
Match Ranking
Membership
Match ID
Division
Overall
Open
Standard
Classic
Production
Production Optics
Submit
We use the class nav-pills instead of nav-tabs which automatically creates a background color for the tab


Raccoon shot dead in Germany after being spotted in 'drunken' state
A racoon became a social media star in Germany after it was spotted near a Christmas market in what witnesses described as a "drunken" state.
The animal wandered slowly across tram tracks in the central city of Erfurt on Saturday, seemingly paying little heed to onlookers taking photographs, before settling down to sleep in a doorway.
A security guard watched over the racoon until it was taken away in a cage by the fire brigade.
One eyewitness told reporters the animal appeared "either poisoned or inebriated".
"A breath alcohol test was not done with the animal" a police spokesman joked.
Local media at first reported that the racoon was being taken to Erfurt's animal shelter. But after the shelter posted on its Facebook page that this wasn't the case, a city spokesman told local broadcaster MDR Thuringia that authorities had no choice but to shoot the racoon because it would have been illegal to set it free.
He added that a vet had identified signs of canine distemper, a disease affecting a variety of animals which can be fatal.
The animals should not be released because they endanger the native ecosystem.
Under German law, racoons are categorised an invasive pet which may be hunted.
According to the Animal Protection Agency, it is unclear how shelters or rescue centres should handle captured animals.


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This SRFI defines an I/O layer similar in nature to the ports subsystem in R5RS, and provides conventional, imperative buffered input and output.
The layer architecture is similar to the upper three layers of the I/O subsystem in The Standard ML Basis Library.
In particular, the subsystem fulfills the following requirements:
It builds on the Primitive I/O layer specified in SRFI 79 (Primitive I/O).


Erik Martinez
Experienced Software Engineer and Mobile Developer skilled in HTML,
CSS, JavaScript, Vue.js, NativeScript, Ionic and TypeScript with a
Bachelor's degree in Computer Information Technology from Brigham
Young University - Idaho.
👉 Lets get in touch
Work History
🚧 SOFTWARE ENGINEER I/MOBILE DEVELOPER | SPRING VENTURE
GROUP
February 2022 – Present
Worked on making SVG's hybird mobile application more stremlined,
modern, and clean. Also built out Nativescript and ionic components
along with documentation and worked with our UI/UX developer to
re-design SVG’s mobile app.
-
Coordinated with the UI/UX developer to define the user interface
requirements and develop wireframes.
-
Developed mobile applications for Android and IOS platform using
Ionic and NativeScript framework with Typescript, JavaScript, CSS3
and HTML.
-
Migrated NativeScript application code and business logic to Ionic
v6 framework and refactored most of the original code to work with
ionic’s framework
🚧 DATA ENGINEER I | GENERAL MOTORS
February 2021 – February 2022
Contributed to GM's GM Card as well as updating outdated ETL
pipelines and refactoring database tables
-
Contributed to the North American dealership reimbursement
insourcing efforts to a modernized, secured, and centralized
solution, saving GM nearly $450m in outsourcing costs
-
Created automated ETL pipelines using DataStage and Oracle SQL to
integrate data from multiple data sources and file formats into
base tables to be used by web applications
-
Managed the successful delivery of development projects across the
full application lifecycle
🚧 APPLICATION ENGINEER I | PARADYME MANAGEMENT INC.
January 2020 – November 2020
Designed and developed custom reusable UI components and a cutom css
library as well as implemented unit testing scripts using Cypress.
-
Sped up development process by 25% by building a standardized and
reusable Vue.js template with reusable components.
-
Reduced weight of several web applications by refactoring the
codebase leading to a decrease in loading time by an average of 4
seconds.
-
Created and implemented unit testing scripts to reduce time spent
testing applications.
🚧 WEB FRONT-END DEVELOPER ASSISTANT | BYU-IDAHO
January 2019 – December 2019
Assisted students in learning basic web development fundamentals and
teaching them proper file and naming structures.
-
Tutored students individually and in small groups by reteaching
and reviewing web fundamental concepts such as HTML5, CSS3, and
JavaScript.
-
Fostered an environment promoting the growth and development of
technological skills thereby increasing overall student attendance
and participation.
-
Validated submitted code for proper structuring, security and
compatibility with different browsers and devices.
🚧 JR. SOFTWARE DEVELOPER | BYU-IDAHO
April 2019 – July 2019
-
Designed, developed, and maintained new and existing code ranging
from client-side development using Angular 6+, TypeScript, HTML,
and CSS to server-side code using C# and .NET Core.
-
Collaborated with the Department Chairman to create efficient
tools for planning and scheduling classes for any given semester.
-
Monitored team, discussed project roadblocks to drive issue
resolution and promote use of best practices.
🚧 JR. FRONT-END DEVELOPER | BYU-IDAHO
January 2019 – April 2019
-
Collaborated with team members to improve UI and rectify front end
software issues.
-
Tested website and performed user testing and troubleshooting
prior to live deployment.
-
Named Lead Web Developer charged with rebuilding Company's website
using HTML5 and CSS3


by every road.
right
othersWhich leadeth
planet’s rays
with that
Vested already
its shoulders
and I beheld
I looked,Upward
>
<


Pundit gives Arsenal encouragement over replacing Unai Emery with Mauricio Pochettino
by Mark BrusFormer Tottenham star Jamie Redknapp believes Arsenal manager Unai Emery looks finished at the Emirates Stadium and that Mauricio Pochettino would be an ideal replacement.
The Argentine was just last week sacked by Spurs and replaced by Jose Mourinho, but many neutrals will be puzzled to see such a big name dismissed by his club when Emery continues to stay in his job.
MORE: Unai Emery closer to Arsenal sack as reports explain likelihood of audacious Mauricio Pochettino swoop
The Spaniard has not looked at all convincing since replacing Arsene Wenger a year and a half ago, and Redknapp says he’d replace him with Pochettino “in a heartbeat”.
In truth, many Gunners fans will probably feel the same at this point, with Pochettino doing hugely impressive work during his time with Tottenham.
One imagines the 47-year-old could also have a number of other top jobs on offer to him soon, so it remains to be seen how likely he’d be to choose Arsenal at this moment in time.
Still, Redknapp has given AFC some encouragement over this potential move, stating that he doesn’t believe Pochettino’s Spurs connections would stop him taking over their bitter north London rivals.
“If I was a decision maker at Arsenal, I’d go for Mauricio Pochettino in a heartbeat. I’m not sure I believe Poch would let his time with Tottenham stop him from taking over,” the pundit wrote in his column for the Daily Mail.
“Maybe the reason Spurs decided to go for Jose Mourinho so suddenly was they felt they could not hang around, because their north London rivals might be searching for a new boss soon.
“Unai Emery is under big, big pressure. I have some sympathy for him but he looks a beaten man.”


You can attach this attribute to pages, services and service endpoints to include an example usage into self-documentation for the website API.
[IsService("math", "/math/", new[] { Method.Post })] [Description("
My Service

Is awesome
")] internal class MyService { [Endpoint] [Description("
My Endpoint

Does amazing things
")] [Example("
POST /math/add?a=5&b=6
")] public void Add(IEndpointRequest request) { } }


ABOUT
The “Utthan" project is about the application of knowledge in the local community derived in process of Manthan at a University i.e. Universe of knowledge. It explores the opportunities in harnessing the scarce resources up to optimum level.The communities in the vicinity of our campus have immense scenic beauty as well as rich culture to offer to the world. Raising the bar of development at the community level and to lit self-confidence at the individual level is the key aim of the project. The resemblance of challenges of hilly terrain in Uttarakhand in Gram Panchayat Tehsil Vikasnagar.


*** User 2017-05-05 19:58:05.536 ***
19:58:05.536 [info] Disabling blocking sync...
*** User 2017-05-05 19:58:05.542 ***
19:58:05.542 [info] Configured peer_service_manager partisan_default_peer_service_manager on node 'node-1@MacBook-Pro-de-Anne-France'
*** User 2017-05-05 19:58:07.056 ***
19:58:07.056 [info] Enabling membership...
*** User 2017-05-05 19:58:07.058 ***
19:58:07.058 [info] Disabling blocking sync...
*** User 2017-05-05 19:58:07.063 ***
19:58:07.063 [info] Configured peer_service_manager partisan_default_peer_service_manager on node 'node-2@MacBook-Pro-de-Anne-France'
*** User 2017-05-05 19:58:08.594 ***
19:58:08.593 [info] Enabling membership...
*** User 2017-05-05 19:58:08.595 ***
19:58:08.595 [info] Disabling blocking sync...
*** User 2017-05-05 19:58:08.601 ***
19:58:08.600 [info] Configured peer_service_manager partisan_default_peer_service_manager on node 'node-3@MacBook-Pro-de-Anne-France'
*** User 2017-05-05 19:58:08.855 ***
Joining node: 'node-3@MacBook-Pro-de-Anne-France' to 'runner@MacBook-Pro-de-Anne-France' at port 55968
*** User 2017-05-05 19:58:08.855 ***
Joining issued: 'node-3@MacBook-Pro-de-Anne-France' to 'runner@MacBook-Pro-de-Anne-France' at port 55968
*** User 2017-05-05 19:58:08.856 ***
Joining node: 'node-2@MacBook-Pro-de-Anne-France' to 'runner@MacBook-Pro-de-Anne-France' at port 55951
*** User 2017-05-05 19:58:08.856 ***
Joining issued: 'node-2@MacBook-Pro-de-Anne-France' to 'runner@MacBook-Pro-de-Anne-France' at port 55951
*** User 2017-05-05 19:58:08.857 ***
Joining node: 'node-1@MacBook-Pro-de-Anne-France' to 'runner@MacBook-Pro-de-Anne-France' at port 55939
*** User 2017-05-05 19:58:08.857 ***
Joining issued: 'node-1@MacBook-Pro-de-Anne-France' to 'runner@MacBook-Pro-de-Anne-France' at port 55939
*** User 2017-05-05 19:58:08.918 ***
Waiting for join to complete with manager: partisan_default_peer_service_manager
*** User 2017-05-05 19:58:08.919 ***
Finished.
*** CT 2017-05-05 19:58:08.919 *** COVER INFO
Adding nodes to cover test: ['runner@MacBook-Pro-de-Anne-France']
*** CT 2017-05-05 19:58:08.928 *** COVER INFO
Successfully added nodes to cover test: []
*** User 2017-05-05 19:58:09.352 ***
Case finished: union_test
*** User 2017-05-05 19:58:16.416 ***
19:58:16.416 [info] Application lasp exited with reason: stopped
*** User 2017-05-05 19:58:16.417 ***
19:58:16.417 [info] Application partisan exited with reason: stopped
=== Ended at 2017-05-05 19:58:16
=== successfully completed test case
=== Returned value: ok
Test run history
| Top level test index


--- layout: default ---
Right now pursuing Masters in Computer Science at University of Minnesota Twin Cities.
Head over to my Projects section to know more about my work.


Game 1: Detroit Pistons at Philadelphia 76ers
My Pick:
Philadelphia 76ers
Why I'm Rolling with them:
This 76ers team is coming off of a win against a very good Clippers team, where Embiid put up a monster 41 points in the win. Even better for the Sixers was the spark that Fultz provided in the 3rd quarter to help the 76ers regain their lead. If he continues to improve like this, this Sixers team is going to be very dangerous. The Pistons seem to have stagnated as of late, and a bounce back game is due. But it won't be on the road against this Philly Team. Philadelphia wins 124-115.
Game 2: Cleveland Cavaliers at Charlotte Hornets
My Pick:
Charlotte Hornets
Why I'm Rolling with them:
Charlotte lost a close one to OKC on Thursday, but there were some positives in the game as well. First and foremost is that Monk had 21 points off of the bench, but Kemba's continued excellence is also a great sign for this Charlotte team. On the other side of the court, the Cavaliers have struggled after picking up their first win. Clarkson seems determined to shoot them out of every game, which is frustrating because this team is going nowhere fast and I'd rather see Sexton and Osman develop. Charlotte takes it, 117-105.
Game 3: Boston Celtics at Indiana Pacers
My Pick:
Boston Celtics
Why I'm Rolling with them:
The main argument for this pick is pretty simple. I just think Boston is a way superior team to this Pacers team, they match up well with them across all 5 positions, and Boston has just been getting better as Hayward and Kyrie get reintroduced to the system. However, this is compounded with the fact that Indiana played a thriller last night that went down to the final couple possessions, and should be tired today. The Celtics depth should limit Indiana's bench production, which is enough for the Celtics to win 115-109.
Game 4: Miami Heat at Atlanta Hawks
My Pick:
Miami Heat
Why I'm Rolling with them:
Miami has sneakily been playing alright basketball, as they currently occupy the 8th seed in the east. Dragic is still the driving force for this team, but Olynyk has been a solid player for the heat as well. Wade as a spark plug off of the bench is a good role for him, and he should be able to succeed against Atlanta's relatively weak bench. Atlanta will once again live or die by Trae Young and Prince, which won't be enough against this solid Heat team. Heat win, 114-104.
Game 5: Houston Rockets at Chicago Bulls
My Pick:
Houston Rockets
Why I'm Rolling with them:
The Rockets finally snapped their losing streak last night against a decent Nets team. They shouldn't have an issue with the Bulls, who also played last night and won't have an answer for Chris Paul. If Melo can rewind the clock to put up another good game today then Houston should have this in the bag, but it's more in line with his normal statlines, Houston may have a harder time. I'm picking Houston, at 120-113.
Game 6: New Orleans Pelicans at San Antonio Spurs
My Pick:
San Antonio Spurs
Why I'm Rolling with them:
The Spurs have looked great to start the year, due to the amazing play of their All-NBA duo of DeRozan and Aldridge. DeMar is having a great start to his season, and Aldridge looks inspired against the bigger stars of the league. Davis may be out again, and if he is you can count on the Spurs to have a great game. Holiday will probably be on DeMar, a tough matchup for him but with his increased playmaking the Spurs should still win 116-108.
Game 7: Utah Jazz vs Denver Nuggets
My Pick:
Denver Nuggets
Why I'm Rolling with them:
The Jazz have looked lackluster lately, with their loss last night to Memphis showing just how much they need Mitchell to play in order to have a consistent offense. Denver is riding a 3 game winning streak, and is playing at home, which may just be the biggest advantage in sports due to the elevation. If Mitchell is out again, this game will be a blowout. If he isn't, count on this Denver team to take advantage of the Jazz's back to back tiredness and win 125-117.
Game 8: Los Angeles Lakers at Portland Trail Blazers
My Pick:
Portland Trail Blazers
Why I'm Rolling with them:
Portland has looked good to start the season, and are 6-2 and occupying the 3rd seed in the West. I'm still a firm believer in CJ, even if he has been cold to start this year. Their guards match up nicely against LA's, and their center rotation should be able to punish the Laker's weak inside. Lebron will continue to do Lebron things, but it won't be enough as Dame scores 33 in a 124-112 Portland victory.


Hamcrest Composites API
Provides Matchers for comparing complex Java objects with better testability.hamcrest-composites
is a collection of Hamcrest matchers for
comparing complex Java objects with better testability. They apply to what might be called "composite objects", i.e. iterable
containers (in all their various forms) and objects whose properties define a nested tree of object references. For Java
programmers, hamcrest-composites
leverages the power of Java functional interfaces to make assertions about
composite objects more thorough, easier to express, and easier to debug.
With standard Hamcrest, verifying that two objects are equals
is easy. But comparing the full tree of object property values
is much more involved and not directly supported. Although such "deep matching" is needed for testing, it's often impossible
(and almost always wrong!) to implement it using equals
. Instead, hamcrest-composites
makes it much easier to implement
deep matching using a "composite matcher". Similarly, because standard Hamcrest has always been a bit weak for comparing
collections and arrays, hamcrest-composites
adds more robust matchers for all types of iterable containers.
Consider the case of a Drawing
object that contains a collection of Shape
instances, each of which has
complex properties, such as a Color
. Consider the tests for a system that manipulates Drawing
objects. How would a test verify that a Drawing
produced by the system contains all of the expected
content? With hamcrest-composites
, it can be as simple as this:
Drawing expected = ... Drawing produced = ... // Compare the complete tree of properties using a DrawingMatcher that extends BaseCompositeMatcher. assertThat( produced, matches( new DrawingMatcher( expected)));
Drawing
instances can be as simple as this:
public class DrawingMatcher extends BaseCompositeMatcher{ public DrawingMatcher( Drawing expected) { super( expected); // Compare values for a simple scalar property. expectThat( valueOf( "name", Drawing::getName).matches( Matchers::equalTo)); // Compare values for an Iterable container property, comparing the complete tree of properties for each member. expectThat( valueOf( "elements", Drawing::getElements).matches( containsMembersMatching( ShapeMatcher::new))); // Compare values for an array property. expectThat( valueOf( "tags", Drawing::getTags).matches( Composites::containsElements)); } }
Drawing
mostly matches, except that one of
the shapes has the wrong color? Then you'd see an assertion error message that pinpoints the discrepancy like this:
Expected: Drawing[Blues] matching elements=Iterable containing CIRCLE matching color=<Color[0,0,255]> but: was <Color[255,0,0]>
Composites
class. BaseCompositeMatcher
. expectThat()
to add to the list of matchers applied to a matched object. valueOf()
to fluently define a MatchesFunction
matcher based on a property accessor. containsMembersMatching()
, etc. to fluently complete the
matcher for a property of type Iterable, array, or Iterator. ContainsMembers
matcher. ContainsElements
matcher. VisitsMembers
matcher. null
? No problem! ListsMembers
matcher. ListsElements
matcher. VisitsList
matcher. equals()
, use the ListsMatching
matcher. null
? No problem! hamcrest-composites
matchers in action,
see the unit tests,
as described on GitHub in Cornutum/hamcrest-composites/README.md


Nullam quis risus eget urna mollis ornare vel eu leo. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Nullam id dolor id nibh ultricies vehicula.
This line of text is meant to be treated as fine print.
The following snippet of text is rendered as bold text.
The following snippet of text is rendered as italicized text.
An abbreviation of the word attribute is attr.
This is an ordinary paragraph that is long enough to wrap to multiple lines so that you can see how the line spacing looks.
Primary color paragraph.
Primary dark color paragraph.
Accent color paragraph.
Orange color paragraph.
Red color paragraph.
Here's what a blockquote looks like. Use small
to identify the source.


Logo
Home
(current)
Works
Contact
HI, I am Djimmy Shola
a web developer
These are some of my projects
Tribute Page
Simple HTML CSS Project
A simple Page showing my coding Mentor.
Tribute Page
Simple HTML CSS Project
A simple Page showing my coding Mentor.
Tribute Page
Simple HTML CSS Project
A simple Page showing my coding Mentor.
Go to github repository


Let's write next Line of
Code Together！
Welcome to EndlCode Association @SJQU official website!
Have a look and enjoy yourself !
You can also find our introduction by this button.
You can also find our introduction by this button.


It feels as if the whole ship is vibrating. Suddenly, there is a green flash, and you feel yourself turn into vapor.


ROCK
Response Operations Collection Kit
rocknsm.io
Kevin Keeney
About Me
The worst part about telling a UDP joke is you can't tell if anyone got it.
MOCYBER
(Missouri National Guard Cyber Team)
CAPES
- Cyber Analytic Platform and Extraction Sensor
But what does it all mean, Basil?
ROCK
Architecture
- PF_RING
- Bro
- Snort
- Stenographer
- Kafka
- Logstash
- Elasticsearch
- Kibana
PF_RING
Bro
Just a broverview
Snort
Stenographer
Kafka
Logstash
Elasticsearch
Kibana
(Bare) Minimum Hardware
- 8GB of RAM
- 2 CPU Cores
- Disk (Space and IOPS)
But does it scale?
Scale out Elasticsearch
Partition Kafka topic & increase logstash workers
Roadmap
How do I get started?


Gallery™
Home
(current)
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Gallery
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Choose a style
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Gallery
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Doesn't support mobile Devices/Tablets
Click an image to preview it.
Click an arrow to change an image.


Polipo offers the option to censor given HTTP headers in both client requests and server replies. The main application of this feature is to very slightly improve the user's privacy by eliminating cookies and some content-negotiation headers.
It is important to understand that these features merely make it slightly more difficult to gather statistics about the user's behaviour. While they do not actually prevent such statistics from being collected, they might make it less cost-effective to do so.
The general mechanism is controlled by the variable
censoredHeaders
, the value of which is a case-insensitive list
of headers to unconditionally censor. By default, it is empty, but
I recommend that you set it to ‘From, Accept-Language’. Adding
headers such as ‘Set-Cookie’, ‘Set-Cookie2’, ‘Cookie’,
‘Cookie2’ or ‘User-Agent’ to this list will probably break
many web sites.
The case of the ‘Referer’1 header is treated specially because many
sites will refuse to serve pages when it is not provided. If
censorReferer
is false
(the default), ‘Referer’
headers are passed unchanged to the server. If censorReferer
is maybe
, ‘Referer’ headers are passed to the server only
when they refer to the same host as the resource being fetched. If
censorReferer
is true
, all ‘Referer’ headers are
censored. I recommend setting censorReferer
to maybe
.
Another header that can have privacy implications is the ‘Via’
header, which is used to specify the chain of proxies through which
a given request has passed. Polipo will generate ‘Via’ headers
if the variable disableVia
is false
(it is true by
default). If you choose to generate ‘Via’ headers, you may want
to set the proxyName
variable to some innocuous string
(see Client connections).


Topicstarter
Hello together... yesterday evening i have played a littel bit karkand and i've realized that the L96 could be a little bit buggy.
i'm not shur but i could bet that i have shooted right but i didnt get any hits.
is anybody interessted to test it on a unranked server?
Yeah, I'm not big fan of the recon class but I loved the L96 pre-patch. If you want add me on Battlelog.
Topicstarter
Dendari wrote:
Yeah, I'm not big fan of the recon class
me too but i love to have all classes on the same level ^^
Topicstarter
have you time this evening?


@*
* Copyright 2021 HM Revenue & Customs
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*@
@import config.ApplicationConfig
@this(main: main)
@(title: String,
userLoggedIn: Boolean = true,
supportLinkEnabled: Boolean = true,
sidebarLinks: Option[Html] = None,
sidebarClass: Option[String] = None)(mainContent: Html)(implicit request: Request[AnyContent], messages: Messages, appConfig: ApplicationConfig)
@linkElement = {
}
@main(
appConfig = appConfig,
supportLinkEnabled = supportLinkEnabled,
title = title,
sidebarLinks = sidebarLinks,
sidebarClass = sidebarClass,
userLoggedIn = userLoggedIn,
linkElement = Some(linkElement)) {
@mainContent
}


Despite having tiny pea-sized brains, birds may be more intelligent than we thought. Avian scientists have been studying crows, which are apparently able to carry out tasks involving food and twigs which would be beyond the wit of a human infant. They can also make elementary tools, like hooks, though why a crow, with its fierce lacerating talons, would need a hook is beyond me. The cleverest crow in the study, incidentally, was called Betty, which seems an unusual name for a crow. If I had a pet crow, which I do not, I would call it something like Cecilia, or Hortense, or perhaps Clytemnestra! But Betty was a New Caledonian crow, so perhaps that is pertinent.
In trying to explain why minuscule bird brains are able to wield such unexpected mental power, the scientists suggest that they may work in entirely different ways to the brains of mammals. Apprised of this, Pansy Cradledew has suggested that I could challenge Edward De Bono and Tony Buzan as a self-styled brain expert and churn out a series of books, with titles such as Think Like A Crow, Rewire Your Brain The Cormorant Way, and Storm Petrel Thought Patterns Made Easy.


Object Pool
Here is a simple and yet efficient object pool implementation.
An object pool is a container that allows us to access, iterate, allocate, and destroy objects of a given type.
A example of usage can be:
ObjectPool<Bubble> bubbles;
// allocate two objects
auto first_bubble = bubbles.allocate();
auto second_bubble = bubbles.allocate();
// remove one
bubbles.free(first_bubble);
// iteration
for(const auto& bubble : bubles)
// use bubble
The key feature of the object pool structure is how it handles object deletion (and consequently, allocation). The structure stores all objects in a contiguous block of memory (just like an array) – so each object’s memory slot address can be easily computed from its index. Then,
-
whenever a particular object is destroyed, no piece of memory is actually freed. Instead, the index of the deleted object slot is appended to a list;
-
whenever an object is created, no new memory is allocated, but the slot of a previously deleted object is recycled instead.
This list is a linked list of slots available to newly created objects. The list will store indices instead of pointers (you will see why soon). We could however, store our list inside the array itself, by reinterpreting free slots as nodes of the list:
Note: the list does not requires any extra memory – besides a variable to store the head index. Deletion and allocation can be made in O(1).
If we want to iterate over objects (skipping the free slots) we will have to spend extra memory – like storing another list for the active slots. Then we have a list of free slots (white) and a list of used slots (orange). Now we can iterate over active objects.
What if we have a second array list_array
to store both lists? Where each list_array
index i
corresponds to a unique index (i - 1
) in the object array and each element points to the next element in the list it belongs to:
The thing with the pair (
i
,i-1
) is we can conveniently use0
as a null node in order to identify the end of the list (it is just a choice). You could use a large number, but not a negative number though. Allowing negative numbers would take from us half of the range of indices we can map.
Whenever a slot is freed or allocated, we just move the node from one list to the other. It is straightforward, because a node of the orange list stored at index i
of list_ array
relates to the slot of index i-1
in the array of objects (that is why we use indices instead of pointers). There is a catch though, if we simply remove an arbitrary node from the orange list we must make sure to connect the previous node to the next one. So the orange list is a doubled linked list.
Here is the scheme of the list_array
:
Note that the indices we store inside nodes are node indices, not storage indices, due to our decision of using
0
as the null node. Each orange node stores two indices: an index to the previous node on the list and an index to the next node in the list.
There is no need to create any special structure for the nodes of any of the lists. We can encode all the information we need into an single unsigned integer of 32 bits (or a different size depending of how many objects you want store), even for the doubled linked list. In the latter type of list we can use the upper 16 bits to store the index of the previous node, and the lower 16 bits to store the index of the next node. Both nodes can be easily computed:
node & 0xff // next node
node >> 16 // previous node


|
RFID Concentration Game
|
Play a game of Concentration/Pairs with a stack of MIFARE Classic cards.
Here's a quick demo..
You may have played Concentration - the simple card game where the objective is to pickup as many matching pairs of cards as possible.
I have a stack of RFID cards that I got with a reader, so attempting a version of Concentration was the first and most obvious thing that popped into my head!
I decided to keep the interaction as simple as possible, and in particular avoid the need for a text display unit, so I designed the game-play around:
Feedback states:
| Name | Buzzer | Red | Green | Yellow | Meaning.. |
|---|---|---|---|---|---|
| gameRunning | off | off | off | Fast Flash | in game mode, waiting for a card.. |
| initializing | off | Flashing | Flashing | Flashing | in card initialisation mode |
| CardInitialized | Beep | off | ON | Flashing | card initialized, ready for a new one |
| CardInitializeFail | Beep | ON | off | Flash ON | card initialize failed |
| cardAccepted | Beep | off | Flashing | off | first card accepted, present another.. |
| cardMatch | Happy Beep | off | ON | off | second card match. Win! |
| cardMismatch | Sad beep | Flash ON | off | off | second card mis-match. Fail! |
The RFID cards need to be initialized before they can be used.
After power-on:
Note:
For simplicity, uses value blocks for a game ID and card ID.
Data is stored in sector 1. That is, block 4 to block 7:
Each card is given a sequential number starting from 1. Pairs are the adjacent cards i.e. 1+2, 3+4 etc. That's not random, as it assumes the players will use the age old technique of shuffling the cards before starting the game.
Power: the MFRC522 is 3.3V device, and officially tolerant up to around 4V. So, running it with the 5V Uno is not strictly legit. Power is supplied correctly at 3.3V, but data lines will stray up to 5V. I haven't included level shifters. But it does seem to work, as many have proven before, though I wouldn't do it this way for anything requiring long term reliability.
Some decisions for the final build:


|
JNIPort for Dolphin Smalltalk |
||||||||||||||||||||||||||||||||
|
Back to Goodies |
JNIPort LayersJNIPort is built in three layers, each in several packages. The lowest level simply uses Dolphin's external interface feature to talk to Java's JNI; the middle layer provides Smalltalk-flavoured access to Java objects; the topmost level generates wrapper classes that automatically forward Smalltalk-style messages to the underlying Java objects. Here's a rough diagram of the components and how they are layered. The picture is not to-scale.
The rest of this section gives a short overview of each of the layers, and pointers to the more detailed documentation on each. It may be helpful as a kind of map, both of JNIPort and of its documentation. For a different view of how the bits fit together, you might prefer the description of the main players in the community of objects that form JNIPort. Layer 0: Java RuntimeThis is really the bottom layer. This is the software provided by Sun, or whoever implemented the JVM you are using. For some discussion of what JVMs are supported, see JVMs. Layer 1: JNI etc.This layer is all low-level stuff. The things we need to have in order to talk to the JVM, but which we don't want to think or know about when we're programming. Down here in the muck and mire we have raw pointers, objects that don't clean up after themselves, explicit memory allocation, and all the other things that one hopes to avoid by programming in Smalltalk. 1.1 — JNI InterfaceThe lowest layer of JNIPort, in package 'CU JNI', is just a simple wrapper around the raw JNI interface. Unless you know JNI and happen to be a masochist then this will be of very little interest to you. This layer sits directly above the Java runtime environment (i.e. the running JVM) and talks to it via JNI. JNI is a very low-level API, designed primarily for hairy-arsed C-programmers; it works, but is certainly not pretty. For more details see JNI. 1.2 — JNI Helper DLLAt the same level is an optional package, 'CU JNI Helper' that uses a small additional DLL to provide workarounds for a couple of problems caused by the mismatch between JNI's and Dolphin's threading models. This package is optional in that the rest of JNIPort can be used without it; however, layers higher than the raw JNI wrapper will work better (i.e. deadlock less) if it is present too. For more details see JNI-Helper and the problem with threads. 1.3 — Java Callback ClassesThere are also some helper classes written in Java which likewise are workarounds for problems caused by the mismatch between JNI's and Dolphin's threading models. These classes are necessary to allow callbacks from Java to Smalltalk, but are not otherwise needed. For more details see the problem with threads and Callbacks. 1.4 — Quasi-UTF8All String data that passes in/out of the JVM uses a weird encoding of 16-bit characters as 8-bit bytes. The encoding is in some ways similar to UTF8, but is definitely not the same. For some reason, all the Sun documentation tends to call it UTF8, which is irritating as well as confusing. The 'CU Java Quasi-UTF8' package provides the relevant encoders/decoders. Layer 2: Basic FeaturesLayer two puts a level of sanity around the raw access to JNI. Although useable, it is still quite inconvenient, since you still have to type in all the tedious stuff about method parameter types, and so on. This layer exists primarily in order to allow the bootstrapping of the much handier, automatic, facilities at level three. However most of the important concepts you will need to use JNIPort — such as class statics — are defined at this level, so you will need to know about it even if you are using the level three APIs. 2.1 — Java BaseThe lowest-level API that I'd expect anyone sane (who wanted to stay sane) to program against is in package 'CU Java Base'. This wraps the raw JNI references in proper Smalltalk objects. It provides:
The idea is that rather than use the features of Java Base to call methods of Java objects directly (which is messy, repetitive, and error-prone), it's better to write your own Smalltalk-style methods that call the raw Java Base facilities. Usually you create a specific wrapper class (or two if you want to wrap static Java methods too) for each Java class (or interface) that you are interested in. You write whatever wrapper methods you think you'll need. Then the JNIPort runtime will arrange to wrap all references to Java objects of that class (and its subclasses) in instances of your own class. The features in level three provide a way of automating this process. This level does include a fair selection of pre-defined wrappers for commonly occurring Java classes and interfaces. For a more complete description of how it works and how to use it, see Java Base, and also these examples. 2.2 — Additional Wrappers
At about the same level, another package, 'CU Java Additional Wrappers', has some more pre-defined wrappers for other common Java classes and interfaces, such as the Java2 Collections. These are split out from 'CU Java Base' only because they aren't necessary in order to use Java from Smalltalk — especially if you are using dynamic wrapper generation. For more details see Additional Wrappers 2.3 — Java CallbacksThe 'CU Java Callbacks' package supplements the Java Base with the ability to call back from Java into Smalltalk. Since Java has no notion of a function pointer, what we really mean by callbacks is that JNI allows you to define the implementation of Java's “native methods”. JNIPort gives you an extremely limited ability to specify the implementation in Smalltalk. The main reason for the limitation is the problem with threads. In practice you are more-or-less forced to make use of the Java callback helper classes. These define an interface for sending requests (which wait for a reply), or notifications (which don't), from Java into Smalltalk. These features are implemented on top of the raw callbacks and shield you (mostly) from the limitations. For more information on how to use Java callbacks, request, and notifications, not to mention their inherent problems, see Callbacks. Layer 3: Top-level stuffThis level contains the stuff that you'll probably use most. It provides convenient ways to generate Smalltalk wrapper classes for Smalltalk classes. It is also the layer where the GUI tools live (a somewhat arbitrary placement, but they've got to fit in somewhere). However, do remember that this layer still makes very heavy use of the concepts from the Java Base level (layer two), so you'll need to understand that before you can make best use of these features. 3.1 — Static WrappersSince Java has reflection it's natural to use it to generate Smalltalk wrapper classes automatically; in fact JNIPort includes two ways to do that. One way is statically, via the 'CU Java Wrapper Generation' package. This provides facilities for generating a class- or instance-side wrapper for a Java class or interface. This part of JNIPort is a framework that uses introspection to ask a Java class what methods, fields, and constructors it has; the framework then uses that to generate Smalltalk methods that will call those methods or act as accessors for the fields. The JNIPort runtime automatically wraps references to Java objects in the most specific available wrapper class (just as it would for manually created wrapper classes written using the Java Base features in layer two). Since, in Java, the signature of a method is part of its “name”, and overloading of method names is, in fact, very common in Java libraries, we have to make the (Smalltalk) names of the wrapper methods reflect the parameter types in some way. The automatically generated wrappers use a specific naming scheme, which is an attempt (not always successful) to find a good compromise between frequent ambiguity and insufferable verbosity. For a more complete description see Static Wrappers and also these examples. There is GUI tool to help with generating these wrapper classes; see the Wrapper Wizard. 3.2 — Dynamic Wrappers (Ghost classes)The other way to generate wrapper classes is to do it dynamically, and on demand. The approach I've chosen to take is to use what I call ghost classes. Ghost classes are dynamically generated ephemeral classes. They do not appear in the “official” class hierarchy (so you don't see them in the browsers) and they only live for as long as the connection to a JVM. Ghost classes use exactly the same naming scheme as statically generated wrappers. Using ghost classes is the highest level of JNIPort, and is my preferred way of driving Java from Smalltalk. The ghost class implementation is in the package 'CU Java Ghost Classes'. More details about ghost classes and some discussion the relative benefits of static and dynamic wrappers is at Ghost Classes. Also there are these examples. 3.3 — Status MonitoringThe Status Monitor is a GUI tool for starting, stopping, and monitoring the status of running JVMs. Among other things, it can be configured to display:
It is also the entry-point for the GUI to generating static wrapper classes. See the Status Monitor and Wrapper Wizard. |
Copyright © Chris Uppal, 2003-2005
Java, JNI (probably), JVM (possibly), and God knows what else, are trademarks of Sun Microsystems, Inc.


Search & Connect Mip
Searching
connect to xxxx
Play Sound
Change Chest RGB to White
Falldown
drive
Back to main menu


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great.gov.uk accounts are for UK businesses doing business abroad.
If you're an overseas company, looking to do business with the UK, please visit our site for international businesses.


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[§342H-33] Appointment of masters. The director may appoint a master or masters to conduct investigations and hearings. [L 1989, c 212, pt of §4]


MAGNOLIA ***1/2 (out of four) -a review by Bill Chambers<EMAIL_ADDRESS>(Catch up with the 21st Century, visit film, DVD, and movie book review haven Film Freak Central - http://filmfreakcentral.net ....Bring a friend.)
starring Jason Robards, Julianne Moore, Tom Cruise, Philip Seymour Hoffman written and directed by Paul Thomas Anderson
Step right up, folks.
Paul Thomas Anderson, hyphenate creator of Boogie Nights and the even better Hard Eight, understands that chance encounters in movies, even docudramas, never fly, so he braces you for the San Fernando Valley-set Magnolia, his three hour ode to coincidence, with a dazzling prologue that underlines the film's basic theme: "strange things happen." In quick succession, Anderson, who goes by P.T. (evoking the name of a certain ringleader), stages a 1911 murder, the death of a scuba-diving casino dealer, and the homicide of a man in mid-suicide. The karmic overtones of these three random acts of violence are absurd-we'd only believe them in life if they were related to us in that reliable fashion, "This friend of mine knows a guy who..."
A blaring TV announces the arrival of the story proper-all of Magnolia's characters are at least peripherally connected with the television trade. Game show producer Earl Patridge (Robards) is afflicted with terminal cancer, as is Jimmy Gator (Phillip Baker Hall), the emcee of his most popular program, "What Do Kids Know?". Earl's estranged son is Frank T.J. Mackey (Cruise), a wildly successful host of seminars ("Seduce and Destroy") for sexually frustrated men. Jimmy's estranged daughter is Claudia (Melora Walters), a sometime prostitute with a fearsome coke habit.
Christian cop Jim Kurring (John C. Reilly) will eventually meet and court Claudia. The police officer, like Donnie Smith (William H. Macy), a former quiz show contestant, is at first an object of ridicule, an earnest stumblebum given to bouts of transparent bravado. The two men generate pathos when the truth of their shared loneliness comes to the fore. ("I have so much love to give," Donnie wails. "I just don't know where to put it.") Adolescent Stanley Spector (Jeremy Blackman) is the image of Donnie at the height of his fame-the child is a reigning "What Do Kids Know?" champion and, mainly due to pressure from his greedy, boorish father (Michael Bowen), on the brink of a breakdown.
Finally, there are Earl's caretakers: Linda (Moore), his hysterical trophy wife, and Phil Parma (Hoffman), a devoted nurse-he, too, is single, sparing no love for anyone but Earl. The old man's last request is a reunion with his only child, so Phil dutifully hangs on the phone forever with Frank's handlers. Wryly echoing what was suggested by the elaborate introduction, Phil tells an operator, "You know the scene [in the movie] in which the dying man tries to get in touch with his long-lost son?...There's a reason they have those scenes-because they actually happen." (Regrettably, the film's prevalent black character, a rappin' klepto, falls victim to stereotype.)
One gathers from watching the glorious pop mess that is Magnolia that Anderson has cobbled together every stray idea that ever landed in his imagination. The film includes a gut-wrenching corker of a musical number in which the characters sing along, in divergent locales, to a lyric from Aimee Mann's pseudo-inspirational "Wise Up". (Nine of Mann's tunes adroitly grace the soundtrack.) While the film's aggressively unpredictable bent makes room for such playfulness, it also paves the way for an irksome climax-an unforeseen event, guaranteed to blindside cold audiences, lets the air out of the tire, so to speak. Artistically liberating in that it lets Anderson off the hook at an especially tense juncture, this final freak occurrence doesn't go far enough in mirroring the mysteries outlined in Magnolia's preface-it lacks a sense of destiny, of psychic neatness.
At least the conclusion is beautiful to behold-cinematographer Robert Elswit at peak performance. His camera is more patient, but no less animate, here than elsewhere in the picture. Anderson has encouraged Elswit and editor Dylan Tichenor to pace Magnolia, for the first two-thirds, like a coke binge. This risky, channel-surfing approach keeps us sharp and is utterly appropriate, considering the content-the extended family members on display are children of the boob tube and have built boxes around themselves. I gather that, because he has called Magnolia his most personal effort in interviews, Anderson's scope of experience does not range beyond dealings with entertainment industry types, for Earl's turf is only two steps away from that of Boogie Nights' porn czar Floyd Gondolli. Fortunately, the emotions on parade in Magnolia are universal.
As you may have surmised, I'm a big fan of both Hard Eight and Boogie Nights (which earned fourth place on my Top 10 of 1997); Anderson is one of the only hip directors to emerge from the nineties with a discernible style. Beyond the most obvious motifs-the whip pans (borrowed from Scorsese but used to signature effect), the cutesy title cards, the persistent music, and the penis fixation (there lurks a Dirk Diggler-sized dragon in the briefs of Frank Mackey, too)-a hopefulness pervades his work. The initially miserable Magnolia is Anderson's most optimistic vision yet, made sonorous by the best ensemble of the year. (It would be fruitless to pick standouts, for each actor leaves a ghost.) The film's absolute message is sentimental and appealing: fate doesn't have to win.
Magnolia is a deeply felt kitchen sink movie reminiscent, in a good way, of Robert Altman's sprawling ensemble pieces (the cameo appearance of Henry Gibson-as an old queen named Thurston Howell (!)-is an oblique reference to Nashville). According to its defamers, Anderson has committed the high crime of self-indulgence, a stigmatic observation I've regrettably made in past reviews-it unfairly insinuates that ambition is offensive. One should exit this film with, above all else, respect for the modern Barnum's talent, chutzpah, and sincerity, and wonder what he'll do for an encore.
-January, 2000
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


|
Auto Tiler Library
|
Data Structures | |
| struct | KernelIteratorInfosT |
| struct | KerIteratorParT |
| struct | KernelIteratorDescrT |
| struct | KernelArgOneDimDescrT |
| struct | KernelArgDimDescrT |
| struct | KernelIterationSpaceT |
| struct | Device_T |
| struct | ConstInit_T |
| struct | CArg_Descriptor_T |
| struct | CKernel_Arg_T |
| struct | GraphArgList_T |
| struct | ArgBindingDescr_T |
| struct | CKernelCall_T |
| struct | KernelDynamicSymbol_T |
| struct | KerArgInfos_T |
| struct | KerArgCost_T |
| struct | Kernel_Arg_T |
| struct | Object_T |
| struct | KernelInfos_T |
| struct | StackedTensors_T |
| struct | Kernel_T |
| struct | CNN_GenControl_T |
| struct | CNN_LayerOp_T |
| struct | KernelLib_T |
| struct | KernelLibTemplate_T |
| struct | MemChunk_T |
| struct | NodeTypeTemplateParameters_T |
| struct | ArgDecl_T |
| struct | NodeTypeTemplate_T |
| struct | ChannelNodeList_T |
| struct | ChannelList_T |
| struct | StackedChannels_T |
| struct | GraphNodeList_T |
| struct | GraphEdgeWebList_T |
| struct | MemLoc_T |
| struct | BufferList_T |
| struct | SymbolAlloc_T |
| struct | GraphEdgeWeb_T |
| struct | GraphNodeCalls_T |
| struct | GraphNode_T |
| struct | CNNGraph_T |
| struct | GraphControl_T |
Macros | |
| #define | ITER_SPACE_MASK |
| #define | ITER_PROP_MASK |
| #define | ITER_PROP_OFF |
| #define | SPACE_PROP_ABS |
| #define | SPACE_PROP_REVERT |
| #define | RAW_SPACE(Space) |
| #define | PROP_SPACE(Space) |
| #define | SPACE_PROP(Space, Prop) |
| #define | SPACE_PROP_IS(Space, Prop) |
| #define | SPACE_PROP_SET(Space, Prop) |
| #define | SPACE_PROP_CLR(Space, Prop) |
| #define | IS_EXTERNAL_MEM(Mem) |
| #define | IS_L3_RAM(Mem) |
| #define | IS_FLASH_LOC(Loc) |
| #define | IS_VALID_MEM(Mem) |
| #define | HAS_ARG_INFO(Arg) |
| #define | ARG_IN_L2(Arg) |
| #define | ARG_IN_L3(Arg) |
| #define | TILE_PTR(PipeOff) |
| #define | NB_TILEABLE_SPACES |
| #define | Q2F(V, N) |
| #define | MultRndu(x, y, scale) |
| #define | Max(a, b) |
| #define | Min(a, b) |
| #define | ALIGN(Value, Size) |
Typedefs | |
| typedef signed char v4s | __attribute__((vector_size(4))) |
| typedef struct AGraphNodeList_T | GraphNodeList_T |
| typedef struct AGraphNode_T | GraphNode_T |
| typedef struct AGraphEdgeWeb_T | GraphEdgeWeb_T |
| typedef struct AGraphEdgeWebList_T | GraphEdgeWebList_T |
| typedef struct AChannelNodeList_T | ChannelNodeList_T |
| typedef struct AChannelList_T | ChannelList_T |
| typedef struct ABufferList_T | BufferList_T |
| typedef struct A_Object_T | Object_T |
| typedef struct A_Kernel_Arg_T | Kernel_Arg_T |
| typedef struct A_NodeTypeTemplate_T | NodeTypeTemplate_T |
| typedef struct AArgBindingDescr_T | ArgBindingDescr_T |
| typedef struct AGraphArgList_T | GraphArgList_T |
| typedef struct A_Kernel_T | Kernel_T |
| typedef struct A_StackedTensors_T | StackedTensors_T |
| typedef Kernel_T | KernelGroup_T |
| typedef struct A_MemChunk_T | MemChunk_T |
| typedef struct A_ArgDecl_T | ArgDecl_T |
| typedef struct AGraphNodeCalls_T | GraphNodeCalls_T |
Enumerations | |
| enum | KernelOper_T |
| Defined CNN Kernel operations. More... | |
| enum | AT_PadType |
| enum | KernelDimT |
| enum | KernelIterationDimT |
| enum | KernelIteratorT |
| Iterators definition. More... | |
| enum | KernelCallTypeT |
| Basic kernel call type. More... | |
| enum | CallLocationT |
| Call location attribute. More... | |
| enum | KernelCallLocationT |
| Call location for basic kernels in the user kernel defined iteration space. More... | |
| enum | Tile_Orientation_T |
| User kernel tiling orientation. More... | |
| enum | KernelArgConstraints_T |
| User kernel argument constraints. More... | |
| enum | KernelArgSelect_T |
| Tile attributes used in argument bindings. More... | |
| enum | BasicObjectType_T |
| Elementary properties of a user kernel argument. More... | |
| enum | Object_Type_T |
| Pre defined user kernel argument types. More... | |
| enum | InlineModeT |
| Control AutoTiler inline strategy. More... | |
| enum | KernelOptimizationT |
| User Kernel optimization. More... | |
| enum | ArgBindingT |
| Argument binding selection. More... | |
| enum | ArgBindingOper |
| Argument binding selection, operation with a constant. More... | |
| enum | InfosUsage_T |
| enum | MemHierarchy_T |
| enum | ArgScope_T |
| enum | ArgDirection_T |
| enum | AT_MemLocation_T |
| enum | AT_DumpTensor_T |
| enum | GraghNodeArgT |
| enum | AT_KernelInfo_T |
| enum | NodeType_T |
| enum | AT_GraphCtrl_T |
Variables | |
| KernelCallLocationT | IterCallLocation [][CALL_LAST] |
| KernelIteratorInfosT | KerIterInfos [] |
| KernelLibTemplate_T | KernelLibTemplate [] |
| KernelLib_T | KernelLib [] |
| int | HeadKernelLib |
| int | HeadKernelLibTemplate |
| Kernel_T | KernelStack [] |
| int | HeadKernelStack |
| KernelGroup_T | KernelGroup [] |
| int | HeadKernelGroup |
| CNNGraph_T * | CurCNNGraph |
| unsigned int | L1MemorySize |
| unsigned int | L2MemorySize |
| unsigned int | L3MemorySize |
| int | MaxL1TopMemory |
| int | MaxAllocatedL2 |
| char * | OutputDir |
| char * | ConstDir |
| char * | FlashDir |
| char * | LibTemplateName |
| Device_T | L3_L2_Device [] |
| Device_T | L3_L2_Device_FC [] |
| Device_T | L2_L1_Device |
| Device_T | L1_Device |
| char * | MemoryBaseName [] |
| int | TopAllocatedMemory [] |
| char * | L1MemoryBase |
| GraphControl_T | GraphControl |
| int | AvailableMemory [] |
| char * | ConstDirName |
| NodeTypeTemplateParameters_T | NodeTypeTemplateParameters |
| #define ALIGN | ( | Value, | |
| Size | |||
| ) |
| #define ARG_IN_L2 | ( | Arg | ) |
| #define ARG_IN_L3 | ( | Arg | ) |
| #define HAS_ARG_INFO | ( | Arg | ) |
| #define IS_EXTERNAL_MEM | ( | Mem | ) |
| #define IS_FLASH_LOC | ( | Loc | ) |
| #define IS_L3_RAM | ( | Mem | ) |
| #define IS_VALID_MEM | ( | Mem | ) |
| #define ITER_PROP_MASK |
| #define ITER_PROP_OFF |
| #define ITER_SPACE_MASK |
| #define Max | ( | a, | |
| b | |||
| ) |
| #define Min | ( | a, | |
| b | |||
| ) |
| #define MultRndu | ( | x, | |
| y, | |||
| scale | |||
| ) |
| #define NB_TILEABLE_SPACES |
| #define PROP_SPACE | ( | Space | ) |
| #define Q2F | ( | V, | |
| N | |||
| ) |
| #define RAW_SPACE | ( | Space | ) |
| #define SPACE_PROP | ( | Space, | |
| Prop | |||
| ) |
| #define SPACE_PROP_ABS |
| #define SPACE_PROP_CLR | ( | Space, | |
| Prop | |||
| ) |
| #define SPACE_PROP_IS | ( | Space, | |
| Prop | |||
| ) |
| #define SPACE_PROP_REVERT |
| #define SPACE_PROP_SET | ( | Space, | |
| Prop | |||
| ) |
| #define TILE_PTR | ( | PipeOff | ) |
| typedef signed char v4s __attribute__((vector_size(4))) |
| typedef struct AArgBindingDescr_T ArgBindingDescr_T |
| typedef struct A_ArgDecl_T ArgDecl_T |
| typedef struct ABufferList_T BufferList_T |
| typedef struct AChannelList_T ChannelList_T |
| typedef struct AChannelNodeList_T ChannelNodeList_T |
| typedef struct AGraphArgList_T GraphArgList_T |
| typedef struct AGraphEdgeWeb_T GraphEdgeWeb_T |
| typedef struct AGraphEdgeWebList_T GraphEdgeWebList_T |
| typedef struct AGraphNode_T GraphNode_T |
| typedef struct AGraphNodeCalls_T GraphNodeCalls_T |
| typedef struct AGraphNodeList_T GraphNodeList_T |
| typedef struct A_Kernel_Arg_T Kernel_Arg_T |
| typedef struct A_Kernel_T Kernel_T |
| typedef Kernel_T KernelGroup_T |
| typedef struct A_MemChunk_T MemChunk_T |
| typedef struct A_NodeTypeTemplate_T NodeTypeTemplate_T |
| typedef struct A_Object_T Object_T |
| typedef struct A_StackedTensors_T StackedTensors_T |
| enum ArgBindingOper |
| enum ArgBindingT |
Argument binding selection
| enum ArgDirection_T |
| enum ArgScope_T |
| enum AT_DumpTensor_T |
| enum AT_GraphCtrl_T |
| enum AT_KernelInfo_T |
| enum AT_MemLocation_T |
| enum AT_PadType |
| enum BasicObjectType_T |
Elementary properties of a user kernel argument
A user kernel argument object type is a logical or of these elementary properties. In general properties come into pair: a property and not a property. Predefined group of properties in enum Object_Type_T provide a set of consistent set of elementary properties.
| enum CallLocationT |
| enum GraghNodeArgT |
| enum InfosUsage_T |
| enum InlineModeT |
User kernel argument constraints. Max 16 of them
| enum KernelArgSelect_T |
Tile attributes used in argument bindings
| enum KernelCallLocationT |
Call location for basic kernels in the user kernel defined iteration space
When the context is a group of user kernels called kernels are user kernels and not basic kernels and in this case only LOC_IN_GROUP is valid
| enum KernelCallTypeT |
Basic kernel call type
A basic kernel can be called as a sequential call from master core in the cluster, in this case only master core executes the code and arguments are passed with the usual C type list of parameters.
It can also be called on all the available cores in the clusters, this is a parallel call. In this case arguments are grouped into a single structure which address is passed to the parallel dispatcher.
| enum KernelDimT |
| enum KernelIterationDimT |
| enum KernelIteratorT |
Iterators definition
| enum KernelOper_T |
Defined CNN Kernel operations
| enum KernelOptimizationT |
brief User Kernel optimization
| enum MemHierarchy_T |
| enum NodeType_T |
| enum Object_Type_T |
Pre defined user kernel argument types
| enum Tile_Orientation_T |
User kernel tiling orientation
Tiling orientation is global to the user kernel applying to every single user kernel argument unless a given user kernel argument has its own orientation defined in it's set of constraints
| Enumerator | |
|---|---|
| TILE_HOR | Tiles are horizontal, full width and variable height |
| TILE_VER | Tiles are vertical, full height and variable width |
| TILE_UNDEF | Undefined orientation |
| int AvailableMemory[] |
| char* ConstDir |
| char* ConstDirName |
| CNNGraph_T* CurCNNGraph |
| char* FlashDir |
| GraphControl_T GraphControl |
| int HeadKernelGroup |
| int HeadKernelLib |
| int HeadKernelLibTemplate |
| int HeadKernelStack |
| KernelCallLocationT IterCallLocation[][CALL_LAST] |
| KernelIteratorInfosT KerIterInfos[] |
| KernelGroup_T KernelGroup[] |
| KernelLib_T KernelLib[] |
| KernelLibTemplate_T KernelLibTemplate[] |
| Kernel_T KernelStack[] |
| Device_T L1_Device |
| char* L1MemoryBase |
| unsigned int L1MemorySize |
| Device_T L2_L1_Device |
| unsigned int L2MemorySize |
| Device_T L3_L2_Device[] |
| Device_T L3_L2_Device_FC[] |
| unsigned int L3MemorySize |
| char* LibTemplateName |
| int MaxAllocatedL2 |
| int MaxL1TopMemory |
| char* MemoryBaseName[] |
| NodeTypeTemplateParameters_T NodeTypeTemplateParameters |
| char* OutputDir |
| int TopAllocatedMemory |


Venus And Jupiter Will Appear Next To Each Other In The Sky Tonight
by Cameron FrewIf you’re blessed with a clear sky this evening, look up to the stars and catch a glimpse of Venus and Jupiter – side-by-side.
Venus is the closest planet to Earth – at its furthest, according to NASA, Venus floats around 162 million miles away from us. However, on average, it’s around 25 million miles away.
Jupiter, on the other hand, is pretty far. At their closest point, Earth and Jupiter are 365 million miles apart, whereas at their furthest, the gas behemoth lies around 601 million miles away.
While it won’t be the equivalent of seeing two moons in the sky, the planets are set to be visible to the naked eye at around 16.30 this evening.
According to the Alma Observatory, to catch a glimpse of the planets you must ‘look to the west at sunset’.
As for how big they’ll appear, Tania de Sales Marques, of the Royal Observatory Greenwich, explained they ‘will be at about 1.2 degrees apart – just a bit more than the width of your little finger at arm’s length’.
De Sales Marques told the MailOnline:
Two points of light have been adorning the south-western sky just around sunset and to the avid observer they might appear to be moving closer every day. These points of light are in fact the planets Venus and Jupiter and they will come closest together in the sky on November 24.
The cosmic line-up is known in the astronomy world as a ‘syzygy’ – Venus will reportedly appear to be the brighter of the two.
De Sales Marques added:
As the planets will be setting soon after sunset they will appear very low in the sky, so one will have to find somewhere with an unobstructed view of the horizon and face the south-west direction. The moon will set earlier during the day, and sunset will occur at 16:00, so the best time to spot the pair of planets will be at around 16:30.
That’s not all – particularly eagle-eyed star-gazers will also be able to see Saturn trailing behind the planets. But don’t worry if you miss it, ‘as the planets will remain close in the sky for a few more days’ she added.
Venus and Jupiter will not coincide this way again until February 2021.
After graduating from Glasgow Caledonian University with an NCTJ and BCTJ-accredited Multimedia Journalism degree, Cameron ventured into the world of print journalism at The National, while also working as a freelance film journalist on the side, becoming an accredited Rotten Tomatoes critic in the process. He’s now left his Scottish homelands and took up residence at UNILAD as a journalist.


Package com.jme.texture
Enum Texture.MinFilter
- java.lang.Object
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- java.lang.Enum<Texture.MinFilter>
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- com.jme.texture.Texture.MinFilter
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Comparable<Texture.MinFilter>
- Enclosing class:
- Texture
public static enum Texture.MinFilter extends java.lang.Enum<Texture.MinFilter>
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Enum Constant Summary
Enum Constants Enum Constant Description BilinearNearestMipMap
Same as BilinearNoMipMaps except that instead of using samples from texture level 0, the closest mipmap level is chosen based on distance.BilinearNoMipMaps
In this method the four nearest texels to the pixel center are sampled (at texture level 0), and their colors are combined by weighted averages.NearestLinearMipMap
Similar to NearestNeighborNoMipMaps except that instead of using samples from texture level 0, a sample is chosen from each of the closest (by distance) two mipmap levels.NearestNearestMipMap
Same as NearestNeighborNoMipMaps except that instead of using samples from texture level 0, the closest mipmap level is chosen based on distance.NearestNoMipMaps
Nearest neighbor interpolation is the fastest and crudest filtering method - it simply uses the color of the texel closest to the pixel center for the pixel color.Trilinear
Trilinear filtering is a remedy to a common artifact seen in mipmapped bilinearly filtered images: an abrupt and very noticeable change in quality at boundaries where the renderer switches from one mipmap level to the next.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
usesMipMapLevels()
static Texture.MinFilter
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name.static Texture.MinFilter[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Detail
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NearestNoMipMaps
public static final Texture.MinFilter NearestNoMipMaps
Nearest neighbor interpolation is the fastest and crudest filtering method - it simply uses the color of the texel closest to the pixel center for the pixel color. While fast, this results in aliasing and shimmering during minification. (GL equivalent: GL_NEAREST)
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BilinearNoMipMaps
public static final Texture.MinFilter BilinearNoMipMaps
In this method the four nearest texels to the pixel center are sampled (at texture level 0), and their colors are combined by weighted averages. Though smoother, without mipmaps it suffers the same aliasing and shimmering problems as nearest NearestNeighborNoMipMaps. (GL equivalent: GL_LINEAR)
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NearestNearestMipMap
public static final Texture.MinFilter NearestNearestMipMap
Same as NearestNeighborNoMipMaps except that instead of using samples from texture level 0, the closest mipmap level is chosen based on distance. This reduces the aliasing and shimmering significantly, but does not help with blockiness. (GL equivalent: GL_NEAREST_MIPMAP_NEAREST)
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BilinearNearestMipMap
public static final Texture.MinFilter BilinearNearestMipMap
Same as BilinearNoMipMaps except that instead of using samples from texture level 0, the closest mipmap level is chosen based on distance. By using mipmapping we avoid the aliasing and shimmering problems of BilinearNoMipMaps. (GL equivalent: GL_LINEAR_MIPMAP_NEAREST)
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NearestLinearMipMap
public static final Texture.MinFilter NearestLinearMipMap
Similar to NearestNeighborNoMipMaps except that instead of using samples from texture level 0, a sample is chosen from each of the closest (by distance) two mipmap levels. A weighted average of these two samples is returned. (GL equivalent: GL_NEAREST_MIPMAP_LINEAR)
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Trilinear
public static final Texture.MinFilter Trilinear
Trilinear filtering is a remedy to a common artifact seen in mipmapped bilinearly filtered images: an abrupt and very noticeable change in quality at boundaries where the renderer switches from one mipmap level to the next. Trilinear filtering solves this by doing a texture lookup and bilinear filtering on the two closest mipmap levels (one higher and one lower quality), and then linearly interpolating the results. This results in a smooth degradation of texture quality as distance from the viewer increases, rather than a series of sudden drops. Of course, closer than Level 0 there is only one mipmap level available, and the algorithm reverts to bilinear filtering (GL equivalent: GL_LINEAR_MIPMAP_LINEAR)
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Method Detail
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values
public static Texture.MinFilter[] values()
Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:for (Texture.MinFilter c : Texture.MinFilter.values()) System.out.println(c);
- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
public static Texture.MinFilter valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
java.lang.IllegalArgumentException
- if this enum type has no constant with the specified namejava.lang.NullPointerException
- if the argument is null
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usesMipMapLevels
public boolean usesMipMapLevels()
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