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JANA2
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JANA application class (singleton). More...
#include <JApplication.h>
Public Types | |
| enum | RETURN_STATUS { kSUCCESS, kNO_MORE_EVENTS, kTRY_AGAIN, kUNKNOWN } |
Public Member Functions | |
| JApplication (int narg, char *argv[]) | |
| void | AddSignalHandlers (void) |
| int | GetExitCode (void) |
| void | Initialize (void) |
| void | PrintFinalReport (void) |
| void | PrintStatus (void) |
| void | Quit (bool skip_join=false) |
| void | Run (uint32_t nthreads=0) |
| void | SetExitCode (int exit_code) |
| void | SetMaxThreads (uint32_t) |
| void | SetTicker (bool ticker_on=true) |
| void | Stop (bool wait_until_idle=false) |
| void | Resume (void) |
| void | Add (JEventSourceGenerator *source_generator) |
| void | Add (JFactoryGenerator *factory_generator) |
| void | Add (JEventProcessor *processor) |
| void | AddPlugin (string plugin_name) |
| void | AddPluginPath (string path) |
| void | GetJEventProcessors (vector< JEventProcessor * > &aProcessors) |
| void | GetJFactoryGenerators (vector< JFactoryGenerator * > &factory_generators) |
| std::shared_ptr< JLogger > | GetJLogger (void) |
| JParameterManager * | GetJParameterManager (void) |
| JThreadManager * | GetJThreadManager (void) const |
| JEventSourceManager * | GetJEventSourceManager (void) const |
| std::shared_ptr< JTask< void > > | GetVoidTask (void) |
| JFactorySet * | GetFactorySet (void) |
| void | Recycle (JFactorySet *aFactorySet) |
| void | UpdateResourceLimits (void) |
| uint64_t | GetNtasksCompleted (string name="") |
| uint64_t | GetNeventsProcessed (void) |
| float | GetIntegratedRate (void) |
| float | GetInstantaneousRate (void) |
| void | GetInstantaneousRates (vector< double > &rates_by_queue) |
| void | GetIntegratedRates (map< string, double > &rates_by_thread) |
| bool | IsQuitting (void) |
| bool | IsDrainingQueues (void) |
| void | RemoveJEventProcessor (JEventProcessor *processor) |
| void | RemoveJFactoryGenerator (JFactoryGenerator *factory_generator) |
| void | RemovePlugin (string &plugin_name) |
| string | Val2StringWithPrefix (float val) |
| template<typename T > | |
| T | GetParameterValue (std::string name) |
| template<typename T > | |
| JParameter * | SetParameterValue (std::string name, T val) |
Protected Member Functions | |
| void | AttachPlugins (void) |
| void | AttachPlugin (string name, bool verbose=false) |
Protected Attributes | |
| vector< string > | _args |
| Argument list passed in to JApplication Constructor. | |
| int | _exit_code |
| bool | _skip_join |
| bool | _quitting |
| int | _verbose |
| bool | _draining_queues |
| bool | _ticker_on |
|
std::chrono::time_point < std::chrono::high_resolution_clock > | mRunStartTime |
| std::vector< string > | _plugins |
| std::vector< string > | _plugin_paths |
| std::vector< void * > | _sohandles |
| std::vector< JFactoryGenerator * > | _factoryGenerators |
|
std::vector < JCalibrationGenerator * > | _calibrationGenerators |
| std::vector< JEventProcessor * > | _eventProcessors |
| std::shared_ptr< JLogger > | _logger |
| JParameterManager * | _pmanager |
| JEventSourceManager * | _eventSourceManager |
| JThreadManager * | _threadManager |
| std::size_t | mNumProcessorsAdded |
JANA application class (singleton).
The JApplication class serves as a central access point for getting to most things in the JANA application. It owns the JThreadManager, JParameterManager, etc. It is also responsible for making sure all of the plugins are attached and other user specified configurations for the run are implemented before starting the processing of the data. User code (e.g. plugins) will generally register things like event sources and processors with the JApplication so they can be called up later at the appropriate time.
| void JApplication::Add | ( | JEventSourceGenerator * | source_generator | ) |
Add the given JFactoryGenerator to the list of queues
| source_generator | pointer to source generator to add. Ownership is passed to JApplication |
| void JApplication::Add | ( | JFactoryGenerator * | factory_generator | ) |
Add the given JFactoryGenerator to the list of queues
| factory_generator | pointer to factory generator to add. Ownership is passed to JApplication |
| void JApplication::AddPlugin | ( | string | plugin_name | ) |
Add the specified plugin to the list of plugins to be attached. This only records the name. The plugin is not actually attached until AttachPlugins() is called (typically from Initialize() which is called from Run()). This will check if the plugin already exists in the list of plugins to attach and will not add it a second time if it is already there. This may be important if the order of plugins is important. It is left to the user to handle in those cases.
| plugin_name | name of the plugin. Do not include the ".so" or ".dylib" suffix in the name. The path to the plugin will be searched from the JANA_PLUGIN_PATH envar. |
| void JApplication::AddPluginPath | ( | string | path | ) |
Add a path to the directories searched for plugins. This should not include the plugin name itself. This only has an effect when called before AttachPlugins is called (i.e. before Run is called). n.b. if this is called with a path already in the list, then the call is silently ignored.
Generally, users will set the path via the JANA_PLUGIN_PATH environment variable and won't need to call this method. This may be called if it needs to be done programmatically.
| path | directory to search fpr plugins. |
|
protected |
Attach a plugin by opening the shared object file and running the InitPlugin_t(JApplication* app) global C-style routine in it. An exception will be thrown if the plugin is not successfully opened. Users will not need to call this directly since it is called automatically from Initialize().
| soname | name of shared object file to attach. This may include an absolute or relative path. |
| verbose | if set to true, failed attempts will be recorded via the JLog. Default is false so JANA can silently ignore files that are not valid plugins. |
|
protected |
Loop over list of plugin names added via AddPlugin() and actually attach and intiailize them. See AddPlugin method for more.
| int JApplication::GetExitCode | ( | void | ) |
Returns the currently set exit code. This can be used by JProcessor/JFactory classes to communicate an appropriate exit code that a jana program can return upon exit. The value can be set via the SetExitCode method.
| float JApplication::GetIntegratedRate | ( | void | ) |
Returns the total integrated rate so far in Hz since Run was called.
| JParameterManager * JApplication::GetJParameterManager | ( | void | ) |
Return pointer to the JParameterManager object.
Referenced by GetParameterValue(), JStatus::JStatus(), and SetParameterValue().
| uint64_t JApplication::GetNeventsProcessed | ( | void | ) |
Return the total number of events processed.
| T JApplication::GetParameterValue | ( | std::string | name | ) |
This is a convenience function that just calls the method of the same name in JParameterManager.
References GetJParameterManager().
| void JApplication::Initialize | ( | void | ) |
Initialize the application in preparation for data processing. This is called by the Run method so users will usually not need to call this directly.
| void JApplication::Resume | ( | void | ) |
Tell all JThread objects to go into the running state (if not already there).
| void JApplication::SetExitCode | ( | int | exit_code | ) |
Set a value of the exit code in that can be later retrieved using GetExitCode. This is so the executable can return a meaningful error code if processing is stopped prematurely, but the program is able to stop gracefully without a hard exit. See also GetExitCode.
| JParameter * JApplication::SetParameterValue | ( | std::string | name, |
| T | val | ||
| ) |
This is a convenience function that just calls the SetParameter of JParameterManager.
References GetJParameterManager().
| void JApplication::Stop | ( | bool | wait_until_idle = false | ) |
Tell all JThread objects to go into the idle state after completing their current task. If wait_until_idle is true, this will block until all threads are in the idle state. If false (the default), it will return immediately after telling all threads to go into the idle state
| void JApplication::UpdateResourceLimits | ( | void | ) |
Used internally by JANA to adjust the maximum size of resource pools after changing the number of threads.
| string JApplication::Val2StringWithPrefix | ( | float | val | ) |
Return the value as a string with the appropriate latin unit prefix appended. Values returned are: "G", "M", "k", "", "u", and "m" for values of "val" that are: >1.5E9, >1.5E6, >1.5E3, <1.0E-7, <1.0E-4, 1.0E-1 respectively.


The following blog post was written in November 2012, so may be out of date in places. Originally published here.
Augeas is a library and API for accessing and modifying text configuration files, with a number of language bindings and over a hundred common config formats supported. It emphasises safety (not breaking files) and preservation of a file’s existing layout and formatting.
The augeasproviders
module offers providers for Puppet using the Augeas library for a few existing resource types (e.g. host
) and adds a few types of its own (e.g. sysctl
). Once installed, the new providers can be selected and the new types are immediately available for use - no Augeas knowledge required!
Puppet also contains an “augeas” resource type for interacting directly with the Augeas API, but it’s complex to use even with examples. The difficulty comes from an API designed for imperative use, since this only works well if the caller can test, branch and loop - but this doesn’t fit the declarative Puppet DSL. The type doesn’t support the user with this problem and instead forces them to know tricks to try and make the API appear declarative.
augeasproviders
solves this by calling the Augeas API from a provider, which can be developed and tested once for a particular config file instead of making the Puppet user learn the API. A provider can be far more intelligent than a list of API calls in a resource, since the provider can handle many possible scenarios while a resource might only be developed for one particular scenario or set of data. Many test cases can be written for providers and types to ensure their reliability, while custom resources are likely to only be lightly tested.
The module is written by a couple of Augeas developers, with the aim of making the power of Augeas accessible and easy for Puppet users.
Installing the augeasproviders
module can be done with the Puppet module tool, available in Puppet 2.7.14+ and Puppet Enterprise 2.5+, and also available as a RubyGem:
$ puppet module install domcleal-augeasproviders
Preparing to install into /etc/puppet/modules ...
Downloading from http://forge.puppetlabs.com ...
Installing -- do not interrupt ...
/etc/puppet/modules
└── domcleal-augeasproviders (v0.4.0)
Alternatively, you can install the module manually:
$ cd /etc/puppet/modules/
$ wget <download URL from forge>
$ tar zxvf domcleal-augeasproviders-*.tar.gz && rm domcleal-augeasproviders-*.tar.gz
$ mv domcleal-augeasproviders-* augeasproviders
The ruby-augeas language bindings need to be installed on the client for the same Ruby instance used for the Puppet agent. On Fedora/EL systems install ruby-augeas
(EPEL, yum.puppetlabs.com) and on Debian/Ubuntu install libaugeas-ruby
. The wiki’s pre-reqs section has more detailed information.
The module only consists of custom types and providers, stored under lib/puppet/type/
and lib/puppet/provider/
respectively inside the module. As of version 0.4.0, these new types are:
nrpe_command
for setting command entries in Nagios NRPE’s nrpe.cfg
sshd_config
for setting configuration entries in OpenSSH’s sshd_config
sshd_config_subsystem
for setting subsystem entries in OpenSSH’s sshd_config
sysctl
for entries inside Linux’s sysctl.conf
syslog
for entries inside syslog.conf
And the following existing types have Augeas-based providers added:
host
mailalias
mounttab
from puppetlabs-mount_providersThe new types need no configuration and can be used immediately.
For builtin types, change the provider on individual resources to augeas
:
host { "example.com":
ensure => present,
ip => "<IP_ADDRESS>",
provider => "augeas",
}
Or change the resource defaults globally or in a single scope:
Host {
provider => "augeas",
}
This applies to the host
, mailalias
and mounttab
(puppetlabs-mount_providers) types.
Two of the types that augeasproviders
currently extends are already in Puppet: host and mailalias. They can be used in the same way just by specifying the provider, but with the benefit of not reformatting the file as the default “parsedfile” providers do.
mailalias { "root":
ensure => present,
recipient =><EMAIL_ADDRESS>provider => "augeas",
}
This updates the “root” entry in /etc/aliases
to forward mail to<EMAIL_ADDRESS>$ grep root: /etc/aliases
root<EMAIL_ADDRESS>The mounttab type from the puppetlabs-mount_providers module manages (v)fstab entries:
mounttab { "/example":
ensure => present,
device => "LABEL=/example",
fstype => "auto",
options => ["noatime", "uid=12345"],
dump => 0,
pass => 2,
provider => "augeas",
}
$ grep example /etc/fstab
LABEL=/example /example auto noatime,uid=12345 0 2
Lastly, the number of new types in augeasproviders
is growing and will continue to do so because of the number of config file formats that Augeas itself understands. So far it has sshd_config
and sshd_config_subsystem
types for managing OpenSSH’s sshd_config
, sysctl
for Linux’s sysctl.conf
, nrpe_command
for Nagios NRPE command config and syslog
for managing syslog and rsyslog entries.
The type descriptions are on the module page or can be found from puppet doc -r type
. Here’s an example to manage an individual sysctl with a comment preceding it:
sysctl { "kernel.sysrq":
ensure => present,
value => "1",
comment => "Enable for debugging from system console",
}
# kernel.sysrq: Enable for debugging from system console
kernel.sysrq = 1
augeasproviders
significantly simplifies using Augeas from Puppet if a provider or type exists for the type of file you need. It makes partial file editing reliable with well-tested building blocks and returns your Puppet resources to being high-level and declarative.
The number of types and providers is slowly growing, but please file issues on GitHub if there’s a target file type that you think would be particularly useful, or if you have problems with the module. If you’d like to contribute then pull requests are gratefully received, and the testing framework should make developing a provider quite straightforward.
Some of the other new types planned are kernel_parameter
to manage Linux kernel parameters in GRUB configs, a variety of INI file types, a shellvars
type (i.e. /etc/{default,sysconfig}/*
) and ssh_authorized_keys
.


Iran Burning: Shock Gas Price Hike Triggers Violent Protests After Subsidy Cuts
Over a dozen cities in chaos, two dead and multiple injured
by Zero HedgeWith protests and unrest raging in multiple hot spots around the globe from Latin America to Hong Kong to Lebanon and Iraq, it could be Iran’s turn to join in.
Amid a fresh price hike in gasoline — the latest in a string of woes to hit the sanctions ravaged Iranian economy, ultimately making life miserable for the common populace — rare mass protests have broken out in multiple cities.
Protests and clashes with police began Friday when petrol prices suddenly rose by at least 50% after government subsidies on it were slashed. Government statements said the plan is to divert the funds in order to make cash payments to low-income households.
In essence Tehran authorities dubiously claim they were forced to “free up money” to assist the poor; however, it appears more drastic scrambling as Tehran struggles to find global purchasers to offload its oil.
And as of Saturday Reuters Persian reports that gas prices have tripled, taking millions of angry middle class demonstrators to the streets across the country.
The BBC reports that the protests are fierce enough to have already led to at least two deaths and multiple injured as demonstrations are active in at least a dozen cities:
One person was killed during protests in the central city of Sirjan. State news agency Irna said there were clashes with police when protesters attacked a fuel storage warehouse and tried to set fire to it.
Several more people were injured. A protester also died in the city of Behbahan.
Other cities were also affected including the capital, Tehran, Kermanshah, Isfahan, Tabriz, Karadj, Shiraz, Yazd, Boushehr and Sari.
The AP reported that while at the start of this week drivers were allotted up to 250 liters a month at the pump at at a controlled 10,000 rials per liter, as of Friday that changed drastically to an allowance of 60 liters (or 13 gallons) of petrol a month at 15,000 rials ($0.13; £0.10) a liter. Additional liters after that cost 30,000 rials.
In response, one protest method has been for motorists to turn off their vehicles in the middle of busy streets, blocking traffic and adding the frustration of security forces.
Meanwhile, Iranian state media has admitted that violent clashes with police are underway. As Deutsche Welle reports of the official statements:
In the city of Sirjan in central Iran, demonstrators tried to set a fuel warehouse on fire in protests that police described as “severe.”
The semi-official news agency INSA reported that one civilian was killed and several others injured.
Acting governor Mohammad Mahmoudabadi said some people had exploited the “calm gathering” and had destroyed public property and damaged fuel stations. He added it was unclear whether the victim had been shot dead by security forces who were “trying to bring back calm to the city.”
There are also reports that protesters have begun targeting banks, after video was posted online of what appears to show the Central Bank In Behbahan, Iran being engulfed in flames as demonstrators chant.
Brief local news coverage of the bank building going up in flames:
In the below video now circulating widely among Iranian opposition activist accounts, live gun fire is heard as both protest and police lines scatter.
Security forces appear to be retreating into a police headquarters amid an attacking crowd. And what sounds like live ammo is then fired by police defenders of the HQ.
On Saturday the protests have appeared to get more confrontational, as police were filmed using riot control measures against crowds, and with some unconfirmed reports of live fire being used, as has been the case over the past month in neighboring Iraq.
Iran has warned the United States that any military action against the middle-eastern nation will be very costly. Many in the US have pushed for a strike on Iran, attributing to them the recent missile strike against two Saudi oil plants.


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(Video) Milner smashing goals with left-foot at Melwood in preparation for Crystal Palace
by Biscan's BootsJames Milner could well be in the starting XI v Crystal Palace on Saturday, with Andy Robertson still not training with the first-team fully.
The Scot missed the international break but the tie at Selhurst Park may come too soon.
Milner is Robbo’s first-choice replacement, and should be fresh after having two weeks at Melwood while his first-team team-mates were away with their countries.
And the club’s official Twitter account has uploaded this video of Milner smashing in a left-footed effort on the training ground!
Every time we see Melwood footage, Milner always looks like the best player on the field -such is the commitment he puts in every day.
We just hope he signs a contract extension soon!
Nice finish, @JamesMilner 🎯⚽ pic.twitter.com/MVyijDc95v
— Liverpool FC (@LFC) November 20, 2019


Whitney Houston first tried cocaine at age 14, claims pal Robyn Crawford in memoir
by Stephanie NolascoWhitney Houston’s best friend Robyn Crawford is claiming that the late star’s descent into drugs started when she was just a teen.
The 58-year-old, who was the singer’s closest confidante, recently released a new memoir titled “A Song For You: My Life with Whitney Houston,” which she says finally sheds the truth about their love story.
People magazine reported Crawford first met a then-16-year-old Houston at age 19 in 1980 when they were both counselors at an East Orange, New Jersey summer camp. It was there when Crawford told Houston, “I’m going to look out for you.” And that’s exactly what she was determined to do for the next two decades as Houston transformed into a global superstar.
In her book, Crawford claimed Houston had already sampled cocaine when she was just in her teens, the outlet reported on Thursday.
WHITNEY HOUSTON’S PAL ROBYN CRAWFORD SPEAKS OUT ON THEIR ‘PHYSICAL’ RELATIONSHIP IN MEMOIR
SINGER WHITNEY HOUSTON DIES AT 48
“Whitney told me she was 14 when she first tried it,” alleged Crawford.
“Whitney would often say ‘Cocaine can’t go where we’re going,’” Crawford noted about Houston’s career taking off. “[But] we weren’t ready to give it up quite yet.”
“I’d say, 'We’re here already. And it’s [cocaine] still here. It shouldn’t be.’ And she’d say, ‘I know, I’m going to stop,’” Crawford continued. “She admired that I could stop. She said, ‘I’m going to stop but I’m just not ready yet.’”
Crawford alleged Houston’s drug use increased following her marriage to Bobby Brown. However, it wasn't just the drugs that were wearing Houston down behind closed doors. Crawford shared that a grueling tour schedule and the constant speculation surrounding her sexuality also took a toll on Houston.
The declaration about Houston's early cocaine use comes just days after Crawford claimed she had a romantic relationship with the New Jersey-born diva. In her memoir, Crawford alleged Houston ended the physical part of their relationship after she signed a record deal with Clive Davis at Arista. Houston broke the news by giving her pal a slate blue Bible in 1982.
WHITNEY HOUSTON MAY GO ON TOUR AS A HOLOGRAM
WHITNEY HOUSTON, NOTORIOUS B.I.G. AMONG ROCK AND ROLL HALL OF FAME INDUCTION NOMINEES
Of the toll that touring, drugs and whispers about Houston's sexuality took on the singer, Crawford said: "It was like a big machine and it never stopped."
Crawford maintained that she and Houston’s father, John Houston, asked the star to go to rehab at Silver Hill in Connecticut.
“I can still see her face when she said, ‘I’m not ready to go, I don’t want to go,’” wrote Crawford. “I have done all I could do. And for the first time, I realized that I needed to save myself.”
Crawford said she continued to worry about her pal’s health and would occasionally hear from a mutual friend who was working for Houston.
“I wouldn’t find out until years later that Whitney was behind those calls and often cried about my not being nearby,” wrote Crawford. “I could only help her only when she decided she needed it.”
PATTI LABELLE SAYS SHE WAS OFFERED 'I WILL ALWAYS LOVE YOU' BEFORE WHITNEY HOUSTON
WHITNEY HOUSTON WAS SEXUALLY ABUSED DURING CHILDHOOD, NEW DOCUMENTARY CLAIMS
Crawford said she became increasingly worried when she learned Houston was hitting the road as her addiction worsened.
“When I heard she was going on tour and I looked at the dates, I knew she should not be doing that,” said Crawford. “She wasn’t in any kind of shape to do it.”
Houston died in 2012 at age 48 following years of addiction. After Houston’s passing, Crawford asked the singer’s agent why Houston was forced to tour when she was clearly struggling.
“She said to me, ‘Because she and her daughter would have been out on the street,’” Crawford claimed. “And my response was, ‘Is that what you guys have been telling her?’”
Crawford admitted she’s still mourning the loss of Houston and the fact that her friend never received the help she desperately needed.
WHITNEY HOUSTON RECALLED AS HAPPY IN DAYS BEFORE DEATH
JAMES DEAN'S FAMILY REACTS TO LATE ACTOR'S CGI CASTING CONTROVERSY
“I thought we had time,” said Crawford. “But in an odd way, Whitney was waiting for me and I was waiting for her.”
Crawford hopes her book will finally set the record straight about her relationship with the pop singer, but more importantly, reveal who Houston truly was.
“I wanted to lift her legacy, give her respect and share the story of who she was before the fame, and in that, to embrace our friendship,” said Crawford.


Classes
The following classes are available globally.
-
A counted, self-balancing (AVL) binary search tree. Counted means that there are no duplicate nodes with the same value, but values have counts associated with them. BSTree provides much the same capabilities as Java’s TreeSet, except that it is also counted, provides a running median, and, if the values are numeric, provides a running sum.
The type of value being stored must be Comparable, or a comparator of type
Ordered
must be supplied. The comparator can also be given to override a Comparable type’s innate ordering (e.g. to make the ordering of String values case insentitive). If a comparator isn’t given, the ordering is from min to max.Insertions, deletions, and specific value queries (index, contains, count, ceiling, floor, higher, lower) have time complexity O(logN). General queries, i.e. the count of unique values, the count of total values, tree height, first, last, and median are all O(1). If the values are numeric, the sum of all values is also available in O(1). Traversing the tree in order, first to last or vice-versa, is O(N).
BSTree conforms to the BidirectionalCollection protocol, and meets all of that protocol’s expected performance requirements. It also conforms to Equatable and NSCopying.
The elements of the Collection are tuples of the form (value: T, count: Int). The indices of the Collection are of non-numeric type BSTreeIndex
.
See morelet tree = BSTree(14, 32, 14) // Don't need comparator, because Int is Comparable tree.insert(-2) tree.insert(42, count: 2) // Insert 2 of value 42 tree.removeAll(14) // Remove both 14's print(tree) 32 / \ -2 42(2) tree.height // 1 tree.count // 3 tree.totalCount // 4 tree.firstValue // -2 tree.lastValue // 42 tree.medianValues // [32, 42] tree.sum // 114 tree.contains(-2) // true tree.count(42) // 2 tree.ceilingValue(30) // 32 tree.ceilingValue(32) // 32 tree.floorValue(32) // 32 tree.floorValue(35) // 32 tree.higherValue(32) // 42 tree.lowerValue(32) // -2 Array(tree) // [(value: -2, count: 1), (value: 32, count: 1), (value: 42, count: 2)] for elem in tree { print("value = \(elem.value), count = \(elem.count)") } value = -2, count = 1 value = 32, count = 1 value = 42, count = 2 let index = tree.indexOf(42) // Type BSTreeIndex<Int> if let index = index { let index2 = tree.index(before: index) print("value = \(tree[index2].value), count = \(tree[index2].count)") } value = 32, count = 1
Declaration
Swift
public class BSTree<T> : NSCopying where T : Equatable
extension BSTree: Equatable
extension BSTree: CustomStringConvertible
extension BSTree: BidirectionalCollection
-
A disjoint-set data structure, also known as union-find or merge-find. The data structure stores associations between unique values of type T. Two values are in the same subset if there are associations that link them. The structure allows you to quickly determine whether two values are in the same subset.
There are two methods used to set the associations and determine whether two values are in the same subset:
union(v1, v2) merges the subsets containing v1 and v2, if they’re not already in the same subset.
find(v) returns the root value of the subset. Two values v1 and v2 are in the same subset iff find(v1) = find(v2).
From Wikipedia: While there are several ways of implementing disjoint-set data structures, in practice they are often identified with a particular implementation called a disjoint-set forest. This is a specialized type of forest which performs unions and finds in near constant amortized time. To perform a sequence of m addition, union, or find operations on a disjoint-set forest with n nodes requires total time O(mα(n)), where α(n) is the extremely slow-growing inverse Ackermann function. Disjoint-set forests do not guarantee this performance on a per-operation basis. Individual union and find operations can take longer than a constant times α(n) time, but each operation causes the disjoint-set forest to adjust itself so that successive operations are faster. Disjoint-set forests are both asymptotically optimal and practically efficient.
See morelet ds = DisjointSet<Int>() ds.union(2, 3) ds.union(3, 4) ds.find(1) // 1 ds.find(2) // 3 ds.find(3) // 3 ds.find(4) // 3 (2, 3, and 4 are in the same subset) ds.find(5) // 5 print(ds) 4: root = 3 2: root = 3 3: root = 3
Declaration
Swift
public class DisjointSet<T> : CustomStringConvertible where T : Hashable


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Jharkhand polls: Sharad Yadav to campaign for opposition alliance
The alliance consists of the JMM, Congress and the RJD
by PTIFormer MP Sharad Yadav on Saturday said he will campaign for the opposition alliance in the coming Jharkhand assembly elections.
Mr. Yadav who met jailed Rashtriya Janata Daal supremo Lalu Prasad at the Rajendra Institute of Medical Sciences here, said, “I will come on November 22 or 23 to campaign for the opposition alliance candidates.”
The opposition alliance consists of the JMM, Congress and the RJD.
Mr. Yadav, former Janata Dal (United) leader, did not disclose what talks he had with Prasad saying they had talked on several issues.
To a query on Hindustani Awam Morcha chief Jitan Ram Manjhi’s stand, Mr. Yadav expressed optimism that Manjhi would come along with the opposition.
The first of the five-phase polling begins on November 30 and the exercise will conclude on December 20. The counting will take place on December 23.


800 lbs. real weight capacity
2019 Upgraded 2" Wider Backrest/Seat
Strong powder coated tubular steel frame construction
Incline, flat and decline positions
Independent backrest adjustments
Can be folded for storage
Transportation wheels
3 Position Adjustable Leg Hold Down
How to do?
Lie on the bench with your eyes under the bar
Grab the bar with a medium grip-width (thumbs around the bar!)
Unrack the bar by straightening your arms
Lower the bar to your mid-chest
Press the bar back up until your arms are straight


Hit the ground running with comprehensive, modern UI components that work across web, mobile and desktop.
Finely tuned performance, because every millisecond counts. Fully tested across IE11 and current versions of Chrome, Edge, Firefox, and Safari.
Themable, for when you need to stay on-brand or just have a favorite color. Accessible and internationalized so that all users are welcome.
Built by the Angular team to integrate seamlessly with Angular 2.


Pieced together by Alex Juarez (@mralexjuarez)
Let's make sure our environment is setup.
# which VMBoxHeadless
# which vagrant
Download Links
Vagrant lowers the time it takes to setup an virtual environment.
More Info @ http://www.vagrantup.com/
Vagrant works out of project directories. Their configuration files are held under the .vagrant directory.
This is the type of VM we build out. We can build out VirtualBox, VMWare, Hyper-V Azure, Rackspace Cloud, AWS. It is essentially the the API we are speaking to.
Boxes are the package format for Vagrant environments. This can be a pre-installed OS or a package that contains meta information for a cloud provider.
This is Vagrant's configuration file. It describes how to configure and provision an environment.
Simply put they are provider specific server images. They contain an already-intsalled OS.
Boxes can be downloaded from
# vagrant box list
# vagrant box add ubuntu/trusty64
# vagrant box add {BOX-NAME} {URL}
# vagrant box remove trusty64
# vagrant box remove {BOX-NAME}
Versioned boxes can be managed through the update and outdated sub-commands.
# vagrant box update
# vagrant box outdated
This command shuts down the running machine.
All disk resources are still allocated on the host machine
This command effectively destroys the guest machine removing the hard disk image
This command is used to shut-down the guest machine and re-configure it based off the Vagrantfile
Some examples of usage
Runs configured provisioners against the machine. Useful when working on scripts and need to check the progress by re-running the script.
This file describes how to build and configure machine(s) in your environment. It defines the box to use, networking, shared folders VM settings and provisioners.
A Vagrantfile is created as follows:
$ vagrant init ubuntu/trusty64
Many of the features used by Vagrant and VirtualBox are available when the VirtualBox Guest Additions are installed.
Most images come with at least a version of the Guest Additons installed.
If the image does not have or has out dates additions, the ISO is available for download from VirtualBox's website.
Under the assets directory there are example Vagrantfiles
config.vm.box = "centos7"
config.vm.hostname = "server"
Port 8080 will be forwarded to the guest machine on port 80
Vagrant.configure("2") do |config| config.vm.network "private_network", ip: "<IP_ADDRESS>" config.vm.network "forwarded_port", guest: 80, host: 8080 end
By default your project folder is shared with the guest machine under /vagrant. This allows the user to work on the host machine and have it the content available on the guest machine.
You can use shell scripts and configuration management tools such as Chef, Puppet, and Ansible.
Our examples will introduce the file and shell provisioners as they are the most readily available.
The file provisioner copies files from a specified source to a specified destination
Vagrant.configure("2") do |config| # ... other configuration config.vm.provision "file" , source: "./vimrc", destination: "/tmp/vimrc" end
The shell provisioner, when used with the inline option, runs a command right on the guest machine. This is good for single commands such as copying files in to place, or updating your system.
Vagrant.configure("2") do |config| # ... other configuration config.vm.provision "shell", inline: "yum -y update" end
The shell provisioner, when used with path option, can be used run either a local or remote script.
Vagrant.configure("2") do |config| # ... other configuration config.vm.provision "shell", path: "./adduser.sh" config.vm.provision "shell", path: "https://setup.ius.io/" end
Example of using Chef Solo as a provisioner
Vagrant.configure("2") do |config| # ... other configuration Vagrant.configure("2") do |config| config.vm.provision "chef_solo" do |chef| chef.add_recipe "apache" end end
Ansible
Vagrant.configure("2") do |config| config.vm.provision "ansible" do |ansible| ansible.playbook = "playbook.yml" end end
Vagrant can be used to provision, configure and control multiple machines
Example use cases
Multiple machines can be configured, provisioned and deployed all from the same Vagrant file.
Vagrant.configure("2") do |config| # Box 1 - Web Server config.vm.define "web" do |web| web.vm.box = "apache" end # Box 2 - Database Server config.vm.define "db" do |db| db.vm.box = "mysql" end end
There are a number of a example files under the assets directory.
In this section we talk about two Vagrant plugins that will help us deploy cloud servers in Rackspace and AWS environments.
Installing the vagrant-rackspace plugin
# vagrant plugin install vagrant-rackspace
Installing the vagrant-aws plugin
# vagrant plugin install vagrant-aws
Verify you have the new plug-ins installed
# vagrant plugin list
You will need:
Vagrant.configure(2) do |config| # The box is optional in newer versions of Vagrant # config.vm.box = rs-box config.ssh.private_key_path = ENV['MY_PRIVATE_KEY'] config.vm.provider :rackspace do |rs| rs.username = ENV['RS_USERNAME'] rs.api_key = ENV['RS_API_KEY'] rs.rackspace_region = ENV['RS_REGION'] rs.public_key_path = ENV['MY_PUBLIC_KEY'] rs.flavor = /1 GB Performance/ rs.image = /Ubuntu/ end end
Append this to ~/.bashrc
# Exported Variables for Rackspace Cloud export RS_USERNAME="RACKSPACE_USERNAME" export RS_REGION="RACKSPACE_REGION" export RS_API_KEY="RACKSPACE_API_KEY" export RS_NETWORK="RACKSPACE_NETWORK" export MY_PUBLIC_KEY="~/.ssh/id_rsa.pub" export MY_PRIVATE_KEY="~/.ssh/id_rsa"
# source ~/.bashrc
$ vagrant up --provider=rackspace
This hCard created with the hCard creator.
Alex Juarez is a Principal Engineer at Rackspace, touting 8 years with the company. Alex enjoys all things Linux, especially training and mentoring others, and is incredibly qualified to do so as an RHCA/RHCI. When Alex isn't helping others he's crafting killer cocktails and finding the best spots to grub in San Antonio.
Thanks @jilljubs


The following settings can be set in the main settings Django file, default value is used if nothing provided:
Default live: '3.00'
Default test: '3.00'
The SagePay server protocol number, it doesn’t need to be changed.
Default live: 'LOW'
Default test: 'LOW'
LOW actives the iframe version, switch to NORMAL if you don’t want to use iframe (not supported yet).
The vendor name used to login into SagePay, this MUST be defined
Default live: 'https://test.sagepay.com/gateway/service/vspserver-register.vsp'
Default test: 'https://test.sagepay.com/gateway/service/vspserver-register.vsp'
The SagePay server URL, it doesn’t need to be changed.
Default live: ('United Kingdom',)
Default test: ('United Kingdom',)
Not really a SagePay setting as it sets the is_shipping flag to True oscar country model.
Warning
It MUST be a list of strings matching the imported SagePay countries.


everyone just calls me that.
"bubbleizer" that takes a imgage link and turns it into a pixel like picture, based on Koala.io.
A bubble graph that groups pokemon into groups based on their catch rate
A VR scene that takes place in winter and in a park includes snow which might be hail


Suspected Islamic State member returned to Germany
FRANKFURT: A woman believed to have belonged to the so-called Islamic State group and her three children have arrived back in her home country Germany, police said on Sunday (Nov 24).
The woman is the first adult female Islamic State member to have been returned through official channels to Germany from Syria.
Named only as Laura H, the 30-year-old from Hesse state arrived at Frankfurt airport late Saturday on a flight from Erbil, Iraq.
While Laura H was not immediately arrested on arrival, she remains the subject of an investigation on suspicion of membership of a terrorist organisation as well as failure to properly care for her children, news weekly Der Spiegel reported citing security sources.
Germany takes back four children of suspected Islamic State members from Syria
Her passport has been confiscated and she has been banned from leaving the country, while her children are being entrusted to a close relative, Spiegel added.
According to the magazine, she travelled in 2016 from Giessen in central Germany to Syria with her children and her husband, a Somalia-born US citizen, where she joined Islamic State.
She had already been linked to Salafist (Islamic fundamentalist) circles in Germany and allegedly posted an online call for aid donations for Syria that in reality went to a fundamentalist group.
Following her husband's reported killing and her own capture by Kurdish security forces, Laura H claims to have turned away from Islamic State ideology.
A US aid organisation helped bring her to Erbil from the Al-Hol prison camp in northeastern Syria, Spiegel reported.
Kurdish authorities have repeatedly urged Western countries to repatriate their nationals linked to Islamic State, but they have been largely reluctant to do so.
Britain repatriates some orphans left in Syria
A Turkish invasion of northern Syria last month sparked concern of a mass breakout from Kurdish-held jails and camps.
Germany had already brought home a handful of orphans, but no adults until Saturday.
Austria, Belgium, Britain and France have also repatriated some orphaned children, while the United States has repatriated several women and their children.
An Albanian boy taken by his mother to join Islamic State in Syria returned to his home in Italy earlier this month.
Kazakhstan, Uzbekistan and Kosovo have all repatriated dozens of women and children.


--- #title: "Science and art" layout: splash_wide #header: # overlay_color: "#000" # overlay_filter: "0.0" # overlay_image: /assets/images/fibres.png # actions: # - label: "Download" # url: "https://github.com/mmistakes/minimal-mistakes/" # caption: "Photo credit: [**Unsplash**](https://unsplash.com)" #excerpt: "Exploring the wonderful." intro: - excerpt: 'Under construction' feature_row: - image_path: assets/images/london.png alt: "Diagram of London Greenhouse Gas Project" title: "Science" excerpt: "The projects I'm currently working on and past publications." url: "science" btn_label: "Read More" btn_class: "btn--primary" - image_path: /assets/images/art_retrospace.png alt: "Retro aesthetic 3D art" title: "Art" excerpt: "Portfolio of art and interactive projects." url: "art" btn_label: "Read More" btn_class: "btn--primary" - image_path: /assets/images/headshot.jpg title: "About" excerpt: "A little about who I am and what this site is for." url: "about" btn_label: "Read More" btn_class: "btn--primary" ---
{% include feature_row id="intro" type="center" %}


{% extends 'base.html' %} {% block title %}Contact{% endblock %} {% load staticfiles %} {% block body_block %} CONTACT US Do you have any question, suggestion or idea? Share with us, we will reach you back. ADDRESS : Oxford Road, Manchester, M13 9PL {{ result }} {% csrf_token %} {{ form.non_field_errors }} {{ form.name_of_field.errors }} {{ form.name.errors }} {{ form.email.errors }} {{ form.message.errors }} SUBMIT MESSAGE {% endblock %} {% block script_block %} Please enable JavaScript to view the comments powered by Disqus. {% endblock %}
Do you have any question, suggestion or idea? Share with us, we will reach you back.
ADDRESS : Oxford Road, Manchester, M13 9PL


{% extends "horizon/common/_modal_form.html" %} {% load i18n %} {% block modal-body %}
{% trans "Multi-Factor Authentication (MFA) protects your account by ensuring that any attacker will need access to more than just your password."%}
{% trans "To enable MFA on your account, scan the QR code to your left with an application such as Google Authenticator or Authy, then type in the generated passcode to confirm the change."%}
{% trans "Note: you will not be able to login to the Dashboard, use the APIs nor review this QR code without MFA once this has been enabled. However, this protection can be removed by confirming your current passcode on this page." %}
{% trans "For using the OpenStack Client, a new OpenRC file must be downloaded to ensure that you will not have to reauthenticate each time your TOTP passcode changes. The OpenRC file uses the OpenStack Client to generate a token that allows you to stay authenticated while using the APIs." %}


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The Courtship of Eddie's Father (1963)
Grade: 43
"The Music Man" and "The Courtship of Eddie's Father" have much in common. They're made only a year apart, and both co-star Shirley Jones and Ron Howard. Jones' isn't Howard's mother in either film, but she is his protector. And Jones ends up with much older men in both movies.
Howard is Eddie, the son of Tom Corbett (Glenn Ford), who is a recent widower. Ford still grieves for his lost wife, but already Howard is encouraging his interest in other women. But Howard mostly has his heart set on the nurse next door (Jones). But Ford and Jones always end up quarreling, so Howard tries to get Ford to pick up the young redhead Dollye (Stella Stevens).
Dolly is good-hearted but dim-witted, so she does not meet Ford's standards.  Ford is Van Dyke's boss, and frequently tells him to lay off the romance talk while on the air, with Van Dyke cheerfully ignoring him.
Van Dyke and Stevens soon become married, a curious character turn for Van Dyke. But not as curious as their decision to have their honeymoon in Montana. Since their characters aren't believable anyway, its just as well they aren't heard from again.
Ford, who oddly enough has women falling all over him, meets the wealthy and glamorous Rita Behrens (Dina Merrill). Ford and Merrill are soon an item, but Howard doesn't like Merrill, probably because she is never at Ford's apartment, leaving Howard to be parented by the housekeeper and frequent visits from Jones.
Howard goes to summer camp. Ford visits him there and they have one of their father/son talks. Ford explains why you shouldn't give money to a girl, and Howard apologizes for his girlfriend being fat. But things go wrong when Ford tells Howard that he is to ask Merrill to marry him. There are tears, and soon Howard runs away from camp in an attempt to break up the marriage. Howard shows up at Jones' apartment. This leads to another argument between Ford and Jones with remarkably cruel volleys exchanged.
One has to admit that Ford is a versatile actor. He can play cool, angry, and heartbroken. When Ford confronts Howard about his running away, Ford truly looks disheveled and devastated, just as he should be.
Merrill agrees to marry Ford if Howard is shipped off to relatives or a boarding school. Ford sees the light and the romance is off, clearing the way for the inevitable reconciliation between Jones and Ford. The moral is clear, widowers should pick the wife that most suits their young children, rather than themselves.
http://members.tripod.com/~Brian_Koller/movies.html
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
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Related links: index of all rec.arts.movies.reviews reviews


[gecode-users] count/atleast: partial propagation towards y ?
Didier Loiseau
didier.loiseau at student.uclouvain.be
Sat Feb 2 18:15:56 CET 2008
Hi,
I am trying to post a propagator for the constraint
x' = x or x' = epsilon
with x and x' integer variables and epsilon some constant not in dom(x).
I first thought to use reified equality constraints but it would achieve
very few propagation (for example, removing values from x would not
remove them from x' as long as epsilon is in dom(x'))
Then I thought I could do the same with the count constraint: posting
#(X | x_i = y) = 1
with X = [x, epsilon] and y = x'
But the count propagator (for #(X | x_i = y) >= 1) does not seem to
achieve domain-consistency towards y in this case: values that are not
present in the union of the domains of the x_i's are not removed from y.
To test this I wrote this little program:
class TestCount : public Example {
protected:
IntVar v, w, x;
public:
TestCount(const Options& opt)
: v(this, 1, 10), w(this, 2, 4), x(this, 7, 9) {
IntVarArray tab(this, 2);
tab[0] = w; tab[1] = x;
exactly(this, tab, v, 1);
branch(this, tab, INT_VAR_SIZE_MIN, INT_VAL_MIN);
}
// …
}
and I obtain solutions like v=[1..10] w=2 x=7. Shouldn't it propagate
v={2,7} ? Did I do something wrong ?
If what I am trying to do is not possible using count, what is the best
way to implement it, achieving domain consistency ?
Thank you in advance for your help.
Didier
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For hundreds of years we had a simple model of our Solar System: eight planets and their moons, and occasionally a passing comet. Then came the discovery of the first asteroid, Ceres, in 1801, an indication there was more going on out there than we thought. Sure enough, over the next 200 years about 800,000 small Solar System objects (which includes asteroids, comets, and trans-Neptunian objects) were discovered. At first the rate of discovery was slow, but advances in technology, which have made it possible to detect smaller and more distant objects, have sped up the process.
The Large Synoptic Survey Telescope (LSST) is the most powerful observational tool we’ve ever had; the size of its mirrors and the sensitivity of its camera combine to help us see more objects in our Solar System than ever before. Each image taken by LSST covers a large area of the sky, and captures light even from very faint objects, making it possible to measure the motions of millions of small Solar System objects per night. Many of these are brand new discoveries.
In this investigation, you will use real data from LSST to develop a deeper understanding of how small objects are distributed throughout the Solar System. You will also examine the orbits and characteristics of some newly detected Solar System objects, in order to classify them. Together, these observations will help us put together the story of how our Solar System formed, and give us insights into what we might find around other stars that have exoplanets. Once you’ve completed this investigation you will be able to answer the following Essential Questions:
Each night, LSST takes two images of the same star field, at least thirty minutes apart. The images are compared by computer software, and if anything has moved an alert is automatically generated, and the data sent to the IAU Minor Planet Center (MPC). Within hours, the MPC determines a preliminary orbit for the object.
Below are some sample observations of moving Solar System objects. Observe how each object moves in relation to the star field. Each image is a 30-second exposure.
Figure 1. Multiple observations of two different small Solar System objects. Credit: Catalina Sky Survey/ Lunar and Planetary Laboratory/ University of Arizona
To estimate the orbit of a newly discovered Solar System object, astronomers map its position and record the time it takes to travel from one place to another. By making a series of careful measurements, they can determine a preliminary orbit for the object. The orbit is mathematically expressed through a series of orbital elements. The ones used in this investigation are described below:
The semi-major axis is half of the longest diameter of an ellipse. Simply put, this number indicates the size of the orbit. It is measured in astronomical units (AU).
Fig. 2: An image indicating the semi-major and semi-minor axis of an ellipse. Credit: Sae1962, Creative Commons 4.0 international.
Eccentricity is a mathematical way of describing how elliptical (i.e., oval shaped) an orbit is. Eccentricity values range from 0 to almost 1. An eccentricity of 0 describes a perfectly circular orbit. The larger the eccentricity, the more elliptical the orbit.
Fig. 3: Examples of ellipses with different eccentricities. NASA illustration by Robert Simmon.
Inclination is the angle that the object’s orbital plane is tilted, relative to Earth’s orbital plane around the Sun. A value of 0° means that the orbit is parallel with Earth’s orbit. A value of 90° means that the orbit is tilted at a right angle to Earth’s orbit. Occasionally, a value between 90° and 180° is listed. These objects are in retrograde orbits around the Sun, orbiting in the opposite direction of most Solar System objects.
Fig. 4: An image describing the inclination of an orbit. Credit: Modified from image by Lassuncty, Creative Commons 3.0 Unported.
The Big View of the Solar SystemLSST will discover millions of new Solar System objects, and will provide an enormous data set that gives us a more comprehensive view of the objects’ distribution. The more we identify and map the distribution of objects in our Solar System, the more we can learn about how it formed.
Fig. 5: Three objects in the Asteroid Belt, shown to scale. Image credit NASA/JPL.
For the purposes of this investigation, we have divided the small Solar System objects into four categories:
Fig. 6: Comet Hale-Bopp. Credit: E. Kolmhofer, H. Raab; Johannes-Kepler-Observatory, Linz, Austria
Now you’ll use a data visualization tool called the Orbit Tracker to explore the positions and orbital characteristics of some small Solar System objects. All of the displayed points and their motions represent the positions and behavior of real objects that have previously been discovered.
Begin by selecting all objects and setting the view to fully zoomed out, then zoom in as necessary to explore. Experiment with changing the view of the Solar System orbits. Notice that you can change the view to above or below the Sun, as well as along the plane of the Solar System (as if you were a planet orbiting the Sun).
Next, take time to examine each group of objects individually by selecting the object type in the Orbitmaster and paying attention to the four orbital characteristics listed below. Decide which of the statements provided below best describes each group’s orbital characteristics. Use the provided statements to complete the table in question 4.
| Eccentricity | Inclination | Size of orbit | Direction of orbit | |
|---|---|---|---|---|
| NEOs | ||||
| MBAs | ||||
| TNOs | ||||
| comets |
In order to see general trends more clearly, it’s helpful to work with a large data set. Although your eyes can discriminate differences among a few hundred objects, it’s not possible to do so when the numbers get much larger. Plots are useful tools for examining larger data sets.
Use the Plotter to construct a histogram of the number of small Solar System objects on the y-axis vs. distance from the Sun (semi-major axis) on the x-axis. Select all objects.
According to the Solar Nebula Theory, a spinning cloud of dust and gas collapsed and the young Sun began to form at the center, while dusty and icy objects began to grow by repeated collisions with each other in a flattened accretion disk surrounding the Sun.
Fig. 7: This artist's concept shows a very young star encircled by a disk of gas and dust. The Solar Nebula Theory predicts an accretion disk such as this where Solar System objects would form. Image Credit: NASA/JPL-Caltech.
There is significant evidence to support this theory. Observations of star-forming regions reveal similar accretion disks around young stars in other parts of the galaxy. Another piece of evidence that supports the theory is the the fact that rocky planets formed close to the Sun and icy planets formed at greater distances. This can be explained by the higher temperatures closer to the Sun, which prevented the inner planets from retaining most of their original atmospheres and ices.
We can also find evidence to support the Solar Nebula Theory by studying the motions of objects within the Solar System. To collect this evidence, we’ll go back to the Orbit Tracker and look for overall patterns in the way objects orbit the Sun. Use your completed chart and the visualization to answer these questions:
Although the orbital motions of all of the major planets support the Solar Nebula Theory, many of the small Solar System objects have very eccentric or highly inclined orbits, and some even orbit the Sun in the opposite direction as the planets. We can apply Newton’s Laws to help explain these observations:
These interactions are orchestrated by the big player in this story, gravity. Although the Sun is the dominant mass of the Solar System, local gravitational interactions play a role as well. From the early days of the Solar System to the present time, there have been many such interactions between objects. Complete the statement below to summarize what happens during these encounters:
Even through the most powerful telescopes on Earth, asteroids and TNOs are too far away to look like anything bigger than dots in an image, or maybe streaks (if they are moving very fast). However, we can still use images to learn a lot about these small objects. For example, we can use the brightness of an asteroid to estimate its size.
Complete the statement, using your reasoning abilities:
To estimate the size of an asteroid, we use its absolute magnitude, which can be thought of as the asteroid’s actual brightness (as opposed to how bright it appears to an observer on Earth). An asteroid’s absolute magnitude depends only on its size and its albedo. Albedo is a measure of the reflectivity of the surface of an object. An object that is pure white will reflect 100% of the light that hits it and will have an albedo of 1. An object that is pure black will reflect 0% of the light that hits it and will have an albedo of 0. The albedos for asteroids depend on the material on the surface, but they range from 0.05 (5%) to 0.25 (25%).
The equation for calculating the size of an asteroid is given by:
Where D is the diameter of the asteroid (in kilometers), H is the absolute magnitude of the asteroid, and p is the albedo of the asteroid. You can visit this website to calculate the diameter.
Use the Plotter to construct a scatter plot of size on the y-axis vs. distance from the Sun (semi-major axis) on the x-axis. Select all categories of objects.
You will be randomly assigned three small Solar System objects that have been recently discovered by LSST. Your choices for classifying each object are:
Consider factors such as the object’s absolute magnitude, and the size, shape, and tilt of its orbit. Then, give an explanation and evidence for your classification.
Begin by selecting the first object (Object 1) from the drop-down menu on the Orbit Tracker, then repeat for the next two objects.
| Objectr | Name | Object Type | Data/Evidence | |
|---|---|---|---|---|
| 1 | ||||
| 2 | ||||
| 3 |
Look at the orbits of the three objects and find the one that has the highest eccentricity. Use the play buttons to see where the orbital speed of the object is the fastest.
There are many different classes of asteroids. C-class (“carbonaceous”) asteroids are the most common, making up about 75% of all known asteroids. They are mostly made of clay and rock, and are dark gray in color. These asteroids are of interest because they contain significant amounts of water, which future space explorers could use for life support and for the production of rocket fuel.
S-class (“silicaceous”) asteroids are the second most common, and make up about 17% of known asteroids. Greenish to reddish in color, they are made mostly of rock and metals. They contain large amounts of precious metals, such as gold, platinum, and iridium. Scientists estimate that some S-class asteroids have several trillion dollars worth of metals in them, which makes them of interest to potential mining operations.
We can learn about the composition of a Solar System object by measuring its brightness through multiple filters. The two plots below show the differences in brightness of C-class and S-class asteroids when measured through LSST’s g, r, i, and z filters:
Figure 8: C and S class asteroids display brightness differences when measured through different filters.
For each plot, the horizontal (x) axis shows four filters. The vertical (y) axis is a measure of brightness compared to the g filter. For example, if the r filter shows a brightness value of 3, it means that the asteroid appeared three times brighter through the r filter than it was when measured through the g filter.
There are other kinds of asteroids as well. For example, V-class asteroids are rare asteroids that have a surface made primarily of basalt. Below is a brightness comparison between S-class and V-class asteroids.
Figure 9: S-and V-class asteroids display brightness differences when measured through different filters.


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This is a DEMO version, the contacts are dummy, and you cannot connect a device
HCI Contact Manager
Scan the QR code to send me your contacts!
Name:
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nimbusinator.nimbus.Nimbus¶
-
class
nimbusinator.nimbus.
Nimbus
(full_screen=False, title='Nimbusinator', border_size=40, silent=False)¶ Nimbus video display class.
This class represents the Nimbus video display that will host the user interface for your application. When created, the new Nimbus object will not be visible until the boot() method has been called.
- Parameters
full_screen (bool, optional) – Full screen mode
title (str, optional) – The title of the display window
border_size (int, optional) – The thickness of the border in pixels (default is 40)
silent (bool, optional) – Run Nimbusinator in silent mode (default is False)
-
boot
(skip_welcome_screen=False)¶ Boot the Nimbus
This will reveal the display screen and start all the Nimbus-related processed. By default the Nimbus will go through the Welcome Screen and a mock boot-up sequence before returning control to your app. You can bypass the Welcome Screen by passing skip_welcome_screen=True. Once boot() has been called, the Nimbus can be interrupted and stopped programmatically by calling the shutdown() method, or during runtime by the user pressing CTRL-C.
- Parameters
skip_welcome_screen (bool, optional) – Bypass the Welcome Screen and boot sequence
-
empty_paper
()¶ Return empty paper filled with the current paper colour
-
plonk_image_on_paper
(img, coord, transparent=False)¶ Plonk a PIL image somewhere on the paper
The passed coordinates are consistent with RM Nimbus implemented, i.e. bottom-left of screen = (0, 0) and any images are located relative to their bottom-left corner
- Parameters
img (PIL image) – The image to be plonked
coord (tuple) – The coordinate tuple (x, y)
transparent (bool, optional) – True if image contains an alpha layer for transparency
-
run_floppy
(flag)¶ Run or stop the floppy drive sound effects
Augment your user experience with the industrial melodies of a 1980s PC floppy drive
- Parameters
flag (boolean) – True to run the drive, False to stop
-
shutdown
()¶ Shut down the Nimbus
Stops all commands from executing, stops all Nimbus-related processes, closes the display window and halts program execution.
-
sleep
(sleep_time)¶ Pause execution like time.sleep()
Unlike time.sleep(), this built-in sleep method will be interrupted if the user hits CTRL-C. Sleep time measured in seconds.


Dallas Buyers Club
Preview and Download Thousands of. MP3 Backing Tracks at Ameritz. co. uk - Professional Backing Tracks Supplier of MP3 Karaoke Backing Tracks Sorry www. Ameritz co uk is not currently available in the USA.
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May 31, 2012 I Am has leapt to protégé Cheryl Cole's defence, insisting that the stating to The Sun that Cole "sang. live with a backing track " revealing he had no idea that she was going to. launch herself into the arms of her dancers.
Dec 25, 2012 Get into Cheryl Cole's new music video for the blatant Lana Del Rey. If you have no idea what to get for Christmas in the coming weeks, here is where Funnily enough, the vocal backing track failed. to kick in during the first
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Jun 13, 2012 U. K singer and near-miss-U S X Factor judge Cheryl Cole revealed too heavily on a backing track to aid. her energetic live performances
A documentary about wounded veterans that Roger championed gets a screening at the Rehabilitation Institute of Chicago and screenings in New York and Los Angeles…
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Oct 19, 2012. www cherylcole ru. As the backing track would be playing and no one would have known any better. Reply · in reply to Ryan Millar (Show
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An open letter from Woody Allen; an Edna Krabappel tribute; the possibility of a "Prometheus 2"; why film festivals reject good films; the return of…
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Balder and Dash
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MZS
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Interviews
The overall feel of the track is a bit grittier and less slick than Cheryl Cole's interpretation, but that should not be viewed as a bad thing. Ingrid Michaelson . doesn't Aug 27, 2013 No Promises (In the style of Shayne Ward ) [Backing Track], Backing Tracks Minus Vocals, 3:52, £0. 79, View In iTunes 3 Words, Cheryl Cole
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Chaz's Blog
May 31, 2012. will i am has said that Cheryl Cole. did not mime on The Voice UK. representatives later confirmed that she "sang live with a backing track"
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Title, Digital Sheet Music, Backing Track Rhianna - "Take. A Bow" Pixie Lott - " Jack", Download. on Musicroom, Not Available Katy Perry - "The One That Got
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Balder and Dash
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Sep 30, 2013 But I'm not sure that would have been the case for me with Nadine or even Sarah That's not to. Cheryl Cole & Katy Perry To Appear On Rihanna Produced Show! Cheryl. One Direction 'Story Of My Life' Lyrics REVEALED!
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This track ends without fading out All files available for download are backing tracks, they're not the original Parachute custom backing track - Cheryl Cole May 31, 2012. will i am has said that Cheryl Cole. did not mime on The Voice UK representatives later confirmed that she "sang live with a backing track"
Interviews
Jun 20, 2012 Cheryl Cole rapped on a track with Will. i am but it never made the final cut of her album. The former X-Factor judge, who is currently at No 1 in the UK Top 40 Pearl Jam's financial manager charged with stealing $380,000
MZS
Jun 6, 2012 I've written before about how Cheryl Cole is basically a television always followed up by 'Anyway, she IS singing beneath a backing track! Jan 5, 2013 Cheryl Cole decides to mime at a charity gig, forgetting that there are. no vocals supplied on the backing track, resulting in some very


--- layout: newsstory title: WE'RE SLOW STARTERS match: Yeltz 1 Burton 3 ---
Another disappointing result. I suppose the new players need a bit off time to gel together, but it's not been the most promising of starts.
It all started so well, with Danny saving a penalty and then Pie-arce scoring to put us ahead. Burton scrambled in an equaliser before the break, then scored two more in the second half for a deserved victory.


This page explains how to install the core package of the Regulatory Sequence Analysis Tools (rsat-core) via the conda package manager.
The rsat-core package contains the RSAT command line tools, but no web server or web services.
The conda package rsat-core is available on the anaconda server, in the bioconda channel:
The package has been compiled for Linux and Mac OS X.
It is not directly available as a conda package for Windows, but it could easily be included in a Docker or Singularity container.
This tutorial assumes that the conda package manager is installed on your operating system.
If it is not the case, you can easily install miniconda3. Note that for this it is not necessary to have admin rights.
It may be convenient to create a specific conda environment rather than in the default environment.
Advantage: RSAT and all its dependencies are isolated from the other packages installed on your operating system. This may avoid conflicts between incompatible versions of languages or libraries required by other conda packages.
Inconvenient: the installation may take more space on your storage device since all the dependencies have to be installed in the rsat-specific environment folder.
If you prefer to install rsat-core in the basic conda environment, just skip this section.
Check that the environment has well been created
We will now activate the newly created conda environemnt rsat
and check its package content.
The name of the current conda environment should appear at the beginning of your prompt, for example:
(rsat) %
In principle, at this stage, the environment should contain no package since we just created it. We can check this by listing the packages.
In the 2020.01.04 release, some Perl libraries are still missing from conda.
We will soon package them for conda. In the meantime, it is easy to install them manually using cpan
(especially if you created a conda environment for rsat, in which case you don’t need admin rights to install Perl modules in the environment).
## Activate the conda environment
##
## Choose either base or rsat depending on your configuration
conda activate
conda activate rsat
cpan install Statistics::Distributions
cpan install Email::Sender::Simple
cpan install Parallel::ForkManager
cpan install MCE::Shared
We can perform a quick test of the rsat-core package.
The rsat
command enables to run all the RSAT tools as sub-commands. We can list them with the option --list
, or get a short description with the option --help
.
The help page of an RSAT command can be obtained by running
rsat [subcommand] -h
For example:
Generate 3 random sequences of length 100.
Generate random sequences and send them as input to oligo-analysis
to count the dinucleotide occurrences. Note that the result of an RSAT command can be directly used as input by another command with the pipe symbol |
.
The path of the RSAT components depends on your local configuration of conda.
You can find them as subfolders of the conda path, which may itself be generic (base environment) or specific to rsat (rsat environment).
The rsat command is found in the bin directory, together with some RSAT compiled programs (e.g. count-words
, matrix-scan-quick
, variation-scan
). All the programs found in this bin directory are automatically in your path as soon as you activate conda.
The two following commands should in principle return the same path.
Additional files of the RSAT suite are found in the folder share/rsat
of the conda directory.
This includes Perl, python, R scripts, makefiles, as well as RSAT configuration files.
RSAT includes a set of tests for different commands, which can be run individually via a makefile.
This displays the list of make
targets, which can be called individually by appending them to the previous command. For example, we can run the target randseq
in order to test the RSAT program random-seq
.
This will generate a random sequence, store it in a local file, and display the path on the result. The same can be done for each other target. The full RSAT command is systematically displayed, which indicates the parameters used for some typical analyses.
The target all
runs all the test commands (this can take some time, because it includes downloading the yeast genome, running the peak-motifs
workflow, …).
## Before: the individual RSAT Perl and python scripts are not in the path
which random-seq ## a Perl script
which random-motif ## a python script
## Load the bashrc file with RSAT environment variables
cd $CONDA_PREFIX/share/rsat
source RSAT_config.bashrc
## After: the Perl and python scripts are now in the path
which random-seq ## a Perl script
which random-motif ## a python script
After having loaded RSAT_config.bashrc
, the commands are avaiable in the path, and can thus be invoked directly (e.g. running random-seq -l 100
would do the same as rsat random-seq -l 100
).
To uninstall rsat-core, you should simply remove the package from conda. The way to proceed depends on whether you installed rsat-core in a specific conda environment (rsat) or in the base environment.


Development driven by constraints
Language specification
- Positional arguments should not be callable as named
arguments. This would make an argument's name a
part of the public interface. Changing the name afterwards would
thus be a breaking change.
- The order of named arguments should not matter.
- Named arguments and dictionaries should be unified.
- Automatic partial application or automatic
currying should not exist, as this would disguise argument
count errors.
- It should be ergonomic to use tables and dictionaries
together with string formatting or string interpolation.
- Private global variables should be possible.
- Private class and object fields should be possible.
- The syntax of nested expressions should mix different kinds of
brackets in order to increase readability. Moss does this quite well
with a mixture of parentheses, square brackets, braces and keywords.
- There should be no index operation for iterators. This would
confuse iterators with arrays and thus lead to subtile bugs.
- The syntax
f[a]
for functions means, iterators
need to check the number of given arguments, as iterators coincide
with functions with no arguments.
- The function
len
should not be defined for
iterators. This would confuse iterators with arrays and thus
lead to subtile bugs.
Object system
- Destructors should be possible.
- The function
type(x)
should return null
in case x
has no type. Otherwise it cannot be used
for type guards in general. For the same reason, x: T
should return false for every object T
if x
does not implement the operation.
Implementation
- A new object on the call stack should have
refcount==1
. For example, if A()
computes a
large matrix, then A().map(f)
and A()+B
etc. do not need a memory allocation, because the buffer can be
reused. Rust offers get_mut(this: &mut Rc<T>)
,
make_mut(this: &mut Rc<T>)
and try_unwrap(this: Rc<T>)
. Thus, as a further
implication, ownership of Object
is needed, because
&Object
does not allow access as
&mut Rc
. However, matrix types have an inner
Rc
of the buffer, therefore it suffices to check
strong_count
, which needs only &Rc
.
Pixel graphics
- It should be allowed to draw to more than one buffer.
- It should be allowed to draw relative to a position.
- There should be at least one good monospace bitmap font in all
sizes from one size to doubled size, containing the standard sizes
for 60 ppi up to 160 ppi. For minimalism it should be stored as a
matrix in a raw buffer, i.e. in the PGM format. Each font file
should contain at least the first 256 Unicode code points. A font
file containing just the first 256 code points should be
arranged as 32*8. — Currently an adaption of Vera/DejaVu Sans
Mono is used.
- The font loader should also be able to load GNU Unifont.
Vector graphics
- It should be allowed to draw to more than one buffer.
Some alpha blending and anti-aliasing techniques need
intermediate buffers.
- It should be allowed to draw relative to a position and scale.
- Buffers with floating point color depth and alpha depth should
be available.
- Colors and alpha values should be given as floating point numbers.
- There should be convenience functions to convert between
color spaces.
Type checking
- Attaching traits to monotypes does not seem to work out ideal, as
traits can also be implemented for values of type constructors.
So it seems to be best if the database attaches types as leaf rules
to trait implementations data.


To be able to add a membership card to your wallet, you first need to create a SportsPass account.
Sign up
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Little Henry Case got a new video game for Christmas.  He needs to know what equipment to buy at the shop. He hands you the controller.
In this game, the player (you) and the enemy (the boss) take turns attacking. The player always goes first. Each attack reduces the opponent's hit points by at least 1
. The first character at or below 0
hit points loses.
Damage dealt by an attacker each turn is equal to the attacker's damage score minus the defender's armor score. An attacker always does at least 1
damage. So, if the attacker has a damage score of 8
, and the defender has an armor score of 3
, the defender loses 5
hit points. If the defender had an armor score of 300
, the defender would still lose 1
hit point.
Your damage score and armor score both start at zero. They can be increased by buying items in exchange for gold. You start with no items and have as much gold as you need. Your total damage or armor is equal to the sum of those stats from all of your items. You have 100 hit points.
Here is what the item shop is selling:
Weapons: Cost Damage Armor Dagger 8 4 0 Shortsword 10 5 0 Warhammer 25 6 0 Longsword 40 7 0 Greataxe 74 8 0 Armor: Cost Damage Armor Leather 13 0 1 Chainmail 31 0 2 Splintmail 53 0 3 Bandedmail 75 0 4 Platemail 102 0 5 Rings: Cost Damage Armor Damage +1 25 1 0 Damage +2 50 2 0 Damage +3 100 3 0 Defense +1 20 0 1 Defense +2 40 0 2 Defense +3 80 0 3
You must buy exactly one weapon; no dual-wielding. Armor is optional, but you can't use more than one. You can buy 0-2 rings (at most one for each hand). You must use any items you buy. The shop only has one of each item, so you can't buy, for example, two rings of Damage +3.
For example, suppose you have 8
hit points, 5
damage, and 5
armor, and that the boss has 12
hit points, 7
damage, and 2
armor:
5-2 = 3
damage; the boss goes down to 9 hit points.
7-5 = 2
damage; the player goes down to 6 hit points.
5-2 = 3
damage; the boss goes down to 6 hit points.
7-5 = 2
damage; the player goes down to 4 hit points.
5-2 = 3
damage; the boss goes down to 3 hit points.
7-5 = 2
damage; the player goes down to 2 hit points.
5-2 = 3
damage; the boss goes down to 0 hit points.
In this scenario, the player wins! (Barely.)
You have 100 hit points. The boss's actual stats are in your puzzle input. What is the least amount of gold you can spend and still win the fight?


#001 Bulbasaur
#002 Ivysaur
#003 Venusaur
#004 Charmander
#005 Charmeleon
#006 Charizard
#007 Squirtle
#008 Wartortle
#009 Blastoise
#010 Caterpie
#011 Metapod
#012 Butterfree
#013 Weedle
#014 Kakuna
#015 Beedrill
#016 Ratatta
#017 Raticate
Height: 0.7m
Weight: 23.0kg
Sex: male 50% female 50%
Category: Toxic Mouth Pokemon
Shape: Humanoid
Colour: Blue
Fighting
Poison
Description 1
Description 2
Attack: 100
Sp. Atk: 100
Speed: 100
Defense: 100
Sp. Def: 100
HP: 100
Fighting
Poison


Tony Schwebach
Resume
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Terms: I have discussed with my patient that I will be discussing their case in the MILDDER platform.


Akan names are derived from Ghanian culture. Frequently in Ghana, children are given their first name as a 'day name' which corresponds to the day in the week they were born
Akan names are generally derived from the day of the week one is born and is dependant on gender factor either male or female.
The Male names assigned due to the various days are
The Female names assigned due to the various days are


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import "zos-lib/contracts/Initializable.sol"; import "./IERC721.sol"; import "./IERC721Receiver.sol"; import "../../math/SafeMath.sol"; import "../../utils/Address.sol"; import "../../introspection/ERC165.sol"; /** * @title ERC721 Non-Fungible Token Standard basic implementation * @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md */ contract ERC721 is Initializable, ERC165, IERC721 { using SafeMath for uint256; using Address for address; // Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))` // which can be also obtained as `IERC721Receiver(0).onERC721Received.selector` bytes4 private constant _ERC721_RECEIVED = 0x150b7a02; // Mapping from token ID to owner mapping (uint256 => address) private _tokenOwner; // Mapping from token ID to approved address mapping (uint256 => address) private _tokenApprovals; // Mapping from owner to number of owned token mapping (address => uint256) private _ownedTokensCount; // Mapping from owner to operator approvals mapping (address => mapping (address => bool)) private _operatorApprovals; bytes4 private constant _InterfaceId_ERC721 = 0x80ac58cd; /* * 0x80ac58cd === * bytes4(keccak256('balanceOf(address)')) ^ * bytes4(keccak256('ownerOf(uint256)')) ^ * bytes4(keccak256('approve(address,uint256)')) ^ * bytes4(keccak256('getApproved(uint256)')) ^ * bytes4(keccak256('setApprovalForAll(address,bool)')) ^ * bytes4(keccak256('isApprovedForAll(address,address)')) ^ * bytes4(keccak256('transferFrom(address,address,uint256)')) ^ * bytes4(keccak256('safeTransferFrom(address,address,uint256)')) ^ * bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)')) */ function initialize() public initializer { ERC165.initialize(); // register the supported interfaces to conform to ERC721 via ERC165 _registerInterface(_InterfaceId_ERC721); } function _hasBeenInitialized() internal view returns (bool) { return supportsInterface(_InterfaceId_ERC721); } /** * @dev Gets the balance of the specified address * @param owner address to query the balance of * @return uint256 representing the amount owned by the passed address */ function balanceOf(address owner) public view returns (uint256) { require(owner != address(0)); return _ownedTokensCount[owner]; } /** * @dev Gets the owner of the specified token ID * @param tokenId uint256 ID of the token to query the owner of * @return owner address currently marked as the owner of the given token ID */ function ownerOf(uint256 tokenId) public view returns (address) { address owner = _tokenOwner[tokenId]; require(owner != address(0)); return owner; } /** * @dev Approves another address to transfer the given token ID * The zero address indicates there is no approved address. * There can only be one approved address per token at a given time. * Can only be called by the token owner or an approved operator. * @param to address to be approved for the given token ID * @param tokenId uint256 ID of the token to be approved */ function approve(address to, uint256 tokenId) public { address owner = ownerOf(tokenId); require(to != owner); require(msg.sender == owner || isApprovedForAll(owner, msg.sender)); _tokenApprovals[tokenId] = to; emit Approval(owner, to, tokenId); } /** * @dev Gets the approved address for a token ID, or zero if no address set * Reverts if the token ID does not exist. * @param tokenId uint256 ID of the token to query the approval of * @return address currently approved for the given token ID */ function getApproved(uint256 tokenId) public view returns (address) { require(_exists(tokenId)); return _tokenApprovals[tokenId]; } /** * @dev Sets or unsets the approval of a given operator * An operator is allowed to transfer all tokens of the sender on their behalf * @param to operator address to set the approval * @param approved representing the status of the approval to be set */ function setApprovalForAll(address to, bool approved) public { require(to != msg.sender); _operatorApprovals[msg.sender][to] = approved; emit ApprovalForAll(msg.sender, to, approved); } /** * @dev Tells whether an operator is approved by a given owner * @param owner owner address which you want to query the approval of * @param operator operator address which you want to query the approval of * @return bool whether the given operator is approved by the given owner */ function isApprovedForAll( address owner, address operator ) public view returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev Transfers the ownership of a given token ID to another address * Usage of this method is discouraged, use `safeTransferFrom` whenever possible * Requires the msg sender to be the owner, approved, or operator * @param from current owner of the token * @param to address to receive the ownership of the given token ID * @param tokenId uint256 ID of the token to be transferred */ function transferFrom( address from, address to, uint256 tokenId ) public { require(_isApprovedOrOwner(msg.sender, tokenId)); require(to != address(0)); _clearApproval(from, tokenId); _removeTokenFrom(from, tokenId); _addTokenTo(to, tokenId); emit Transfer(from, to, tokenId); } /** * @dev Safely transfers the ownership of a given token ID to another address * If the target address is a contract, it must implement `onERC721Received`, * which is called upon a safe transfer, and return the magic value * `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`; otherwise, * the transfer is reverted. * * Requires the msg sender to be the owner, approved, or operator * @param from current owner of the token * @param to address to receive the ownership of the given token ID * @param tokenId uint256 ID of the token to be transferred */ function safeTransferFrom( address from, address to, uint256 tokenId ) public { // solium-disable-next-line arg-overflow safeTransferFrom(from, to, tokenId, ""); } /** * @dev Safely transfers the ownership of a given token ID to another address * If the target address is a contract, it must implement `onERC721Received`, * which is called upon a safe transfer, and return the magic value * `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`; otherwise, * the transfer is reverted. * Requires the msg sender to be the owner, approved, or operator * @param from current owner of the token * @param to address to receive the ownership of the given token ID * @param tokenId uint256 ID of the token to be transferred * @param _data bytes data to send along with a safe transfer check */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes _data ) public { transferFrom(from, to, tokenId); // solium-disable-next-line arg-overflow require(_checkAndCallSafeTransfer(from, to, tokenId, _data)); } /** * @dev Returns whether the specified token exists * @param tokenId uint256 ID of the token to query the existence of * @return whether the token exists */ function _exists(uint256 tokenId) internal view returns (bool) { address owner = _tokenOwner[tokenId]; return owner != address(0); } /** * @dev Returns whether the given spender can transfer a given token ID * @param spender address of the spender to query * @param tokenId uint256 ID of the token to be transferred * @return bool whether the msg.sender is approved for the given token ID, * is an operator of the owner, or is the owner of the token */ function _isApprovedOrOwner( address spender, uint256 tokenId ) internal view returns (bool) { address owner = ownerOf(tokenId); // Disable solium check because of // https://github.com/duaraghav8/Solium/issues/175 // solium-disable-next-line operator-whitespace return ( spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender) ); } /** * @dev Internal function to mint a new token * Reverts if the given token ID already exists * @param to The address that will own the minted token * @param tokenId uint256 ID of the token to be minted by the msg.sender */ function _mint(address to, uint256 tokenId) internal { require(to != address(0)); _addTokenTo(to, tokenId); emit Transfer(address(0), to, tokenId); } /** * @dev Internal function to burn a specific token * Reverts if the token does not exist * @param tokenId uint256 ID of the token being burned by the msg.sender */ function _burn(address owner, uint256 tokenId) internal { _clearApproval(owner, tokenId); _removeTokenFrom(owner, tokenId); emit Transfer(owner, address(0), tokenId); } /** * @dev Internal function to clear current approval of a given token ID * Reverts if the given address is not indeed the owner of the token * @param owner owner of the token * @param tokenId uint256 ID of the token to be transferred */ function _clearApproval(address owner, uint256 tokenId) internal { require(ownerOf(tokenId) == owner); if (_tokenApprovals[tokenId] != address(0)) { _tokenApprovals[tokenId] = address(0); } } /** * @dev Internal function to add a token ID to the list of a given address * @param to address representing the new owner of the given token ID * @param tokenId uint256 ID of the token to be added to the tokens list of the given address */ function _addTokenTo(address to, uint256 tokenId) internal { require(_tokenOwner[tokenId] == address(0)); _tokenOwner[tokenId] = to; _ownedTokensCount[to] = _ownedTokensCount[to].add(1); } /** * @dev Internal function to remove a token ID from the list of a given address * @param from address representing the previous owner of the given token ID * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address */ function _removeTokenFrom(address from, uint256 tokenId) internal { require(ownerOf(tokenId) == from); _ownedTokensCount[from] = _ownedTokensCount[from].sub(1); _tokenOwner[tokenId] = address(0); } /** * @dev Internal function to invoke `onERC721Received` on a target address * The call is not executed if the target address is not a contract * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return whether the call correctly returned the expected magic value */ function _checkAndCallSafeTransfer( address from, address to, uint256 tokenId, bytes _data ) internal returns (bool) { if (!to.isContract()) { return true; } bytes4 retval = IERC721Receiver(to).onERC721Received( msg.sender, from, tokenId, _data); return (retval == _ERC721_RECEIVED); } uint256[50] private ______gap; } |


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Zoom G3 Guitar Multi-effects Processor version 2.0
With the power of an advanced multi-effects unit, the convenience of a pedalboard, and the versatility of a USB audio interface, the Zoom G3 guitar effects and amp simulator pedal is your go-to all-purpose guitar super tool. Three large LCD displays and footswitches give you a genuine stomp-box experience, and individual controls for effects and amp molding make the G3 an invaluable live tool. Create and store up to 100 original tones using 100 built-in DSP effects. Other features, such as an onboard drum machine and a built in 40-second looper are especially handy for private practice. In the studio, you'll love the G3's USB and XLR outputs. And because the it comes with both Zoom's Edit & Share preset software and Steinberg's Sequal LE recording software, you'll get even more out of your G3 when you hook it up to your computer!
Zoom G3 Specifications:
o 3 large LCD displays and footswitches
o Amp or stomp box effects can be used in any combination
o Authentic amp modeling simulates amps, cabinets and mics separately
o Over 100 built-in DSP effects
o Create and store up to 100 original tones
o Integrated drum machine
o Looper function with 40 seconds of phrase recording and overdubbing
o USB audio interface for DAW recording (Mac and PC)
o Includes Edit & Share and Steinberg Sequal LE recording software
o Over 6 hours of operation using 4 AA batteries, as well as USB bus and AC power
o Includes AC Adapter.


With a good perspective on history, we can have a better understanding of the past and present, and thus a clear vision
of the future. ~ Burens|Investor pitch
Can I follow you where you’re going right now? Because my parents always told me to follow my dreams
~ Burens|Love pitch
Pop culture and entertainment can be dismissed as surface, but it's not. It's the language we all speak, and it's the
connection point between people all over the world.
~ Burens|Entertainment pitch


- Hello there -
Welcome to our TadaViz own Big Five personality test questionaire. Here, you will be pleased to take the test yourself, and compare
your answers to the rest of the world.
Please answer each question based on how much you agree with the statement.
If you strongly disagree, answer 1. On the other hand, if you strongly agree, answer 5.