"It's Not A Derby, Oman Are Not Our Neighbours": Sunil Chhetri
by Suman RayFootball News
Promising to deliver his best game and get the most out of his team, Indian captain Sunil Chhetri dismissed talks about India gunning for revenge.
Written By Suman Ray | Mumbai | Updated On: November 19, 2019 00:15 IST
Promising to deliver his best game and get the most out of his team, Indian captain Sunil Chhetri dismissed talks about India gunning for revenge when they challenge the gulf nation at the Sultan Qaboos Sports Complex in Muscat, Oman on Tuesday.
'We won't think about revenge'
“We won’t think about revenge or anything closer to that, absolutely not. At the end of the day, the points matter. It’s not a derby as they are not our neighbours," Chhetri said on the sidelines of the first training session in Muscat adding that “These are the qualifiers and we have only one thing in our mind... to go out and give everything that we have and take the result. I mean the important point is to go and play well, especially in the away matches.”
READ | Sunil Chhetri unhappy with draw in match against Bangladesh
In the first leg, Chhetri scored India's only goal which could have earned the Blue Tigers their first win against the Gulf Nation but Al Mandhar scored back-to-back goals to dent India's dream. These two countries have played eight matches against each other until now and Oman was on the winning side six times whereas the other two matches ended in a draw.
Custodian Gurpreet Singh Sandhu picked that staying unbeaten on the road is the priority now and Oman is going to be a difficult opponent to play against. “Not losing a game away from home is our priority right now. It’s always difficult playing away from home and we recognise the threats (from Oman) given their ability and strength. We have to make sure we deal with them well.”
READ | WATCH: Indian footballer Sunil Chhetri talks about Delhi pollution
Oman striker Al Mandhar has already scored four goals in four matches during the FIFA World Cup Qatar 2022 qualifiers but Pritam Kotal felt everyone should be dealt with equally to come out with a favourable result.
"It's not only Al Mandhar, other attackers like Al Alwai, Al Ghassani everyone can impose equal danger to a defence line. They are quick, they switch positions fast and can score from long. We have to be extra cautious of their long-range shots,” Kotal opined.
READ | WATCH: Indian Footballer Sunil Chhetri talks about his daily routine
On being asked whether these stats will put India under pressure before they hit the ground, Adil Khan felt otherwise. "Yes, numbers say that they (Oman) are favourites but it all will start from scratch tomorrow. Their attackers can do anything on a given day and we have to be on our toes throughout," Adil stressed.
READ | Indian footballer Sunil Chhetri talks about turning vegan


--- layout: archive title: Zulip Chat Archive permalink: /stream/116395-maths/topic/union.20of.20a.20finset.20of.20finsets.html ---
I want to take a finset's worth of union of finsets. Finsets are an instance of semilattice_sup_bot
which seems to me to be precisely what one needs to make it possible to iterate ⊔
a finset number of times (⊔
is commutative and associative in a lattice). Is there a finset
-indexed iterated ⊔
in Lean?
Or am I supposed to be using monads?
finset.sup
?
Thanks. That's really annoying. I had all the ingredients but still failed to search (I looked before I asked)
I can't use library_search
to look for a definition
There's also bind
that's the monad road
Not really, it's exactly the function he wants with a monaddy name.
I thought it might be. So because finset.sup
works for all lattices but finset.bind
only works for finsets of finsets, I should probably use bind
because there might be more lemmas.
Last updated: Apr 24 2020 at 19:02 UTC


Terran Republic
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Capital: Corrigan
The Terran Republic was …
Origins
In the years after the development of Dio En Mashino by the Cel-Tainu Astrophysical Research Corporation the return to interstellar travel was incredibly quick, and extremely chaotic. More advanced worlds soon came to dominate, with their ability to build and maintain hop-capable vessels. Wars, such as the Novya Siberia Belshane War, soon became common. Corporations, taking advantage of the lawlessness of interstellar space, took advantage of more barbaric populations; enslaving them or driving them off of territory that they had occupied for centuries.
It was, however, the discovery of the Iadian Massacre that pushed the most powerful worlds, the later Imperial Core Worlds, to finally find some means of accomodation. The fear of some unknown power capable of destroying a planet, brought them together in the Pan Terran Defense Treaty Council.
However, a growing number of political thinkers realized that this alone was not enough. A proper political union of some kind was needed. It was Janoos Welkred, journalist and adventurer who, through his Republican Papers, distributed by his media empire, Welkred Communications, that made the most compelling case. Welkred envisioned a Republic of the Terrans, with each human world its member, each picking representatives for a great Senate of Humanity that would govern the affairs in a peaceful, productive manner.
Welkred was soon joined by more powerful allies, in particular Reth Tawmerik, scion of a wealthy family, celebrated military leader and possibly the most charismatic man of his time. He aided Welkred in taking the overly-idealized Republic of the Terrans and producing a model government that, to them at least, seemed more workable.
Gaining support from the Core Worlds, a working group from several worlds was given the task of formulating a constitution. it was Tawmerik’s suggestion that they look at the Stellar Treaty of great antiquity, and in particular the section entitled Recommended Model Planetary Constitution, which became, with few modifications, the constitution that the working group delivered two standard years later.
Factions Within the Republic
Historians group the various factions within the Republic into three categories. The first category were the Realists. The Realists were those not beguiled by the utopian promise of a unified republic. They realized that the present Oligarchs and other forces would not allow their power to be undermined by mob rule.  It was through these factions that the Empire was able to gather a toe-hold and eventually replace the Republic.
The second category of factions were the Idealists. These were those groups who thought that a republic could undermine established power. They hoped that by building a strong and lasting people-dominated assembly true unity could emerge. These attitudes were not lost with the demise of the Republic, however. The Reformed Bank Of The Empire was a creation of the Imperial Congress in a similar attempt to erode plutocratic rule.
What the Idealists failed to take into account was the long delay of time in travel from the various systems. They hoped for a stronger central government–something not possible when travel times between systems were sometimes months in duration and routes frequently hazardous. The resulting Empire essentially maintained plutocratic rule, providing the Oligarchs supported the Emperor.
The third group were the so-called Confederationists. They objected to strong centralization, and while holding that the Republic could produce stability, believed that a strongly centralized government would not tolerate diversity. In the end, the Confederationists ended up weakening the Idealist position and leaving the Republic too vulnerable and politically homogenous to survive.
The Eras of the Republic
Though the Republic lasted only a few decades, its history can conveniently be divided into three eras; the Early, High and Late Eras.
The Early Republic
With the approval of a large majority of systems to the Constitution, the Terran Republic officially came into existence, with Reth Tawmerik as the first Prime Minister. Tawmerik seemed keen to remain more of a ceremonial figure than as a naked political force. His first cabinet was filled with a good mix of Idealists and Realists, and he played the role of diplomat between the early factions.
The earliest Congress played it safe, unsure of its powers and unwilling to interfere too greatly in the politics of individual systems. Still, some progress was made, though thorny issues such as taxation and inter-system trade proved too much for the tame Congresspeople. The discovery of the Riojier Commonwealth was impetus to begin an amendment process to the Constitution, make more enlarge the Congress’s military and economic powers.
The High Republic
The timing of new elections to the Congress were a period of great change. The Confederationist factions, now coalesced into the Confederation Party, now controlled the Congress, and Tawmerik, perhaps unwilling to work with such a lopsided majority, resigned. He was replaced by Veltrane Fres Volon, who had served as Minister of Trade after his system joined the Republic. Volon immediately set about cancelling the working committee that Tawmerik had struck up on Constitutional reforms.
Volon’s term was tumultuous and divisive, but did see the Oligarch-backed Republican Party form to counterbalance the Confederationists. The Idealists were now a minority, pinned between two powerful and tightly disciplined factions.  The impeachment failed but Volon’s position was now impossible and he resigned, thus paving the way for the third Prime Minister, the idealist Catra Nejurmo.
Nejurmo was a weak Prime Minister and soon lost control of her cabinet in a revolt over her attempt to reconstitute the Constitutional amendment committee. She hung on to power by aligning herself with the Confederationists, but when they suffered severe electoral defeats in the next Congressional elections she was defeated in her attempt to run for office again.
The Republicans now controlled Congress, but power brought disunity, and the Idealists were again able to put a candidate, Loweran Kowker, a lawyer of good reputation, in the Prime Minister’s office. Kowker was the longest servering Prime Minister, holding the position for the better part of two standard decades. A keen administrator, he essentially chose the path of least resistance, letting Republicans and Confederationists battle it out in Congress, until the wheels of government all but stalled.
In the midst of Kowker’s term, the Voshium Insurrection broke out, as the [Star Systems](/macropedia/star-systems)/Voshium attempted seceed. Kowker’s one moment of true leadership was to convince Congress to send out Reth Tawmerik to quell the rebellion. They finally agreed when two diplomats dispatched by Congress were murdered. Tawmerik made short work of the Voshium Insurrectionists, and brought back their leader, Messen Fremezulejo, who went quickly from being prisoner to one of Tawmerik’s inner circle.
The Late Republic
Kowker’s later years were typified by his inability to effect any sort of change in Congress and in other branches of the Republic, in particular the Bafiktuy Intelligence Directive. They were now ostensibly the servants of the Republic, but in the growing Frontier of newly rediscovered systems, they did as they pleased. They’re torture of the prophet Alaer was to have disastrous consequences, but many other ill deeds were associated with them, leading to a great deal of discontent in the Frontier worlds.
Kowker finally resigned his post, citing exhaustion and the need for new leadership. Congress was now more divided than ever. The Idealists had lost all influence, and the Republicans had melted into rival Realist factions. The Confederationists were frequently blamed, even by their own supporters, for promoting policies that had made the divisions so insurmountable. As a demonstration of how much it took to get a majority to agree, the choice for Kowker’s successor fell on a well-meaning but inexperienced aristocrat-cum-bureucrat, Benita Perez. Seen as the compromise candidate, she proved even more incompetent than Kowker.
In reality, Perez’s succession was a virtually meaningless act. The Oligarchs and key Realist members of Congress were already plotting a substantial change. The Republic had proven too unstable, too divided and insufficiently politically mature to bring order to human space. Perez learned too late just where the lines of power really lead. Whatever her intelligence network was, it was good enough to trace the Republic’s woes to Alistair Cormwite, and through him to Reth Tawmerik, first Prime Minister, great Republican and war hero. All the signs were there, however. Tawmerik’s old push for Constitutional reform was now replaced by condemnation of those that sought to change the Republic into “a den fit for self-serving civil servants”, a clear jab at Perez.
Perez’s ministry was cut short. So great was the discontent, stoked by the great hero Reth Tawmerik’s fiery invective, that when he marched into the Congress, arrested Perez and other high officials on charges of treason and malfeasance, the public outcry wasn’t for his head, but for Perez’s.
References
Related Articles
- Welkred Communications
- Benita Perez
- Bafiktuy Intelligence Directive
- Confederation Party
- Messen Fremezulejo
- Stellar Treaty
- Star Systems
- Janoos Welkred
- Imperium Edition Index
- Imperial Congress
- Terran Republic Timeline
- Pan Terran Defense Treaty Council
- Dio En Mashino
- Voshium Insurrection
- Novya Siberia Belshane War
- Reformed Bank Of The Empire
- Iadian Massacre
- Riojier Commonwealth
- Imperial Core Worlds
- Veltrane Fres Volon
- Alistair Cormwite
- Corrigan
- Reth Tawmerik
- Starsystems/Voshium
- Cel-Tainu Astrophysical Research Corporation
- Core Worlds


Issue 77
Welcome to another issue of Haskell Weekly!  This is a weekly summary of what’s going on in its community.
Want to see something featured in Haskell Weekly? We love contributions! Tweet us at @HaskellWeekly or open a pull request.
Featured
-
It’s like driving a car down the road, having a new engine fall into your lap, installing it on-the-fly, and dumping the old engine behind you, all while never touching the brakes.
-
Hopefully these tips will help provide some guard rails for learning the language for the first time. That’s not to say that Haskell is perfect, but I think you will enjoy the language if you avoid these common beginner pitfalls.
-
Is Haskell the right language for teaching functional programming principles?
The point about this is that no one is in disagreement about how good a language Haskell is for doing real work. Rather, the question is about whether the principles that Haskell is built on get obscured by the fact it’s a large and complicated language.
-
Haskell typeclasses vs. C++ classes
Classes from Object-oriented programming languages such as C++ allow types to declare a pre-selected list of overridable functions. Typeclasses in Haskell are a general-purpose way to write functions whose implementations change depending on the type of a parameter.
-
Java interfaces map to Haskell records
In retrospect, my inclination to use typeclasses in inappropriate ways was a big problem in my earlier Haskell days. I made this mistake a lot: I thought Java interfaces mapped to Haskell typeclasses. But really, more often they map to Haskell records.
-
I will show you how it is possible to write object-oriented code in Haskell using only a minimal set of utility code, and without giving up much of Haskell’s pure functional benefits.
-
If pushing responsibility forward means accepting whatever parameters and having the caller of the code handle possibility of failure, then pushing it back is going to mean we accept stricter parameters that we can’t fail with.
-
Tagged unions are a killer language feature as they allow you to expressively model problem domains and avoid some of the pitfalls of relying entirely on primitives.
-
SPAKE2 in Haskell: How Haskell helped
It can feel a bit like a small child trying to push a star-shaped thing through the square-shaped hole. The types are the holes that guide how you insert code and values.
-
Announcing the GHC DevOps Group
We need a solid, reliable, well-engineered, predictable GHC toolchain; and we need to achieve that without compromising GHC innovation and vitality.
Jobs
Are you looking to hire a Haskell developer? If so, advertise with us!
In brief
- ALGT2: A tool to specify arbitrary programming languages
- Computational geometry: Set operations on polytopes
- Growing a date picker in Reflex: Part 2
- Haskell eXchange 2017 videos
- hs-init: A tool for creating batteries-included Haskell projects
- LambdaConf 2017 videos
- Ordered-indexed graphs with lenses: Looking for feedback
Package of the week
This week’s package of the week is tagged, a library providing phantom types to avoid unsafely passing dummy arguments.
Call for participation
- herms: Convert oven temperatures in recipe directions between Fahrenheit and Celsius
- hs-init: Update
b
script for 8.2.1 ghc version - servant-auth: Prepare to be official
- Yampa: maybeToEvent not exported
Looking for something to contribute to? Check out the Hacktoberfest issues on GitHub!
Events
- October 19: San Diego Functional Programmers: October meetup: Intro to functional programming
- October 21: Seattle Area Haskell Users’ Group: General discussion
- October 22: Berlin Functional Programming Group: Haskell Programming From First Principles study group
- October 23: Functional Programming Montpellier: Second functional programming meetup
- October 24: Haskell Paris: Meetup Haskell mensuel
- October 25: New York Haskell Users Group: Squeal: A deep embedding of SQL in Haskell
- October 25: Quito Lambda: Más allá de las funciones puras, cómo Haskell lo resolvió
- October 26: Melbourne Haskell Users Group: Haskell Halloween “Haskoween”: Lightning talks


Deface for modifying Rails engine templates in place... Cool! #confoo @GrMacDougall
2/26/2014, 12:28:43 PM
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Deface for modifying Rails engine templates in place... Cool! #confoo @GrMacDougall
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fill in the fields according to the beacons
Content
The content about what will show in the device when a known beacon
have been found.
| Profile | Content | Action |
|---|---|---|
| {{content.profile}} | {{content.text_content}} |
|
Actions
Become the beacon smart! Use the action for the people
can ask about something(input) and give an output.
| Location | UUID | Major Value | Minor Value | Date created | Action |
|---|---|---|---|---|---|
| {{beacon.location}} | {{beacon.uuid}} | {{beacon.major_value}} | {{beacon.minor_value}} | {{beacon.dt_created| date:'MM/dd/yyyy HH:mm:ss'}} |
|


title = "Account Settings" url = "/account/:code?" layout = "restricted" description = "Sign in, registration and account management." is_hidden = 0 [RainLab\User\Components\Account account] redirect = "default" paramCode = "code" forceSecure = 0 [newsSubscribe] [newsUnsubscribe] == {% if user and user.groups.first.name == 'Employers' or user.groups.first.name == 'Staff' %}
Are you interested in partnering with us? We would love to work with you.
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{% endif %}


VisDA Challenge
Aeroplane
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| 045:012 Khan | : |
Allah it is He Who has subjected to you the sea, that ships may sail through it by His Command, and that you may seek of His Bounty, and that you may be thankful, |
| 045:012 Maulana | : |
Allah is He Who made subservient to you the sea that the ships may glide therein by His command, and that you may seek of His grace, and that you may give thanks. |
| 045:012 Pickthal | : |
Allah it is Who hath made the sea of service unto you that the ships may run thereon by His command, and that ye may seek of His bounty, and that haply ye may be thankful; |
| 045:012 Rashad | : |
GOD is the One who committed the sea in your service, so that the ships can roam it in accordance with His laws. You thus seek His provisions, that you may be appreciative. |
| 045:012 Sarwar | : |
God has made the sea subservient to you so that ships sail on by His command and you seek His favors. Perhaps you will be grateful. |
| 045:012 Shakir | : |
Allah is He Who made subservient to you the sea that the ships may run therein by His command, and that you may seek of His grace, and that you may give thanks. |
| 045:012 Sherali | : |
ALLAH is HE who has subjected the sea to you that ships may sail thereon by HIS command, and that you may seek of HIS bounty, and that you may be grateful. |
| 045:012 Yusufali | : |
It is Allah Who has subjected the sea to you, that ships may sail through it by His command, that ye may seek of his Bounty, and that ye may be grateful. |
Concepts/Themes Covered: أركان الإسلام > التوحيد > توحيد الله تعالي > وحدانيته Pillars of Islam> Islamic> Oneness of Allah> Singularity and Being Unique الإنسان والعلاقات الاجتماعية > الإنسان > شرفه ودنوه Man and The Social Relations>Man>When Honourable and When Unhonourable العلوم والفنون > الحقائق العلمية و الإشاة إلى وقائع أيدتهاالإكتشافات العلمية > البحر Science and Art> The Scientific Facts and the Indication to Facts which have been supported by the Scientific Discoveries>The Sea
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.


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tree
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"""In this series of tests, we are looking at time to load a large number
of very small and simple rows.
A special test here illustrates the difference between fetching the
rows from the raw DBAPI and throwing them away, vs. assembling each
row into a completely basic Python object and appending to a list. The
time spent typically more than doubles. The point is that while
DBAPIs will give you raw rows very fast if they are written in C, the
moment you do anything with those rows, even something trivial,
overhead grows extremely fast in cPython. SQLAlchemy's Core and
lighter-weight ORM options add absolutely minimal overhead, and the
full blown ORM doesn't do terribly either even though mapped objects
provide a huge amount of functionality.
"""
from . import Profiler
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import Column, Integer, String, create_engine
from sqlalchemy.orm import Session, Bundle
Base = declarative_base()
engine = None
class Customer(Base):
__tablename__ = "customer"
id = Column(Integer, primary_key=True)
name = Column(String(255))
description = Column(String(255))
Profiler.init("large_resultsets", num=500000)
@Profiler.setup_once
def setup_database(dburl, echo, num):
global engine
engine = create_engine(dburl, echo=echo)
Base.metadata.drop_all(engine)
Base.metadata.create_all(engine)
s = Session(engine)
for chunk in range(0, num, 10000):
s.execute(
Customer.__table__.insert(),
params=[
{
'name': 'customer name %d' % i,
'description': 'customer description %d' % i
} for i in range(chunk, chunk + 10000)])
s.commit()
@Profiler.profile
def test_orm_full_objects_list(n):
"""Load fully tracked ORM objects into one big list()."""
sess = Session(engine)
objects = list(sess.query(Customer).limit(n))
@Profiler.profile
def test_orm_full_objects_chunks(n):
"""Load fully tracked ORM objects a chunk at a time using yield_per()."""
sess = Session(engine)
for obj in sess.query(Customer).yield_per(1000).limit(n):
pass
@Profiler.profile
def test_orm_bundles(n):
"""Load lightweight "bundle" objects using the ORM."""
sess = Session(engine)
bundle = Bundle('customer',
Customer.id, Customer.name, Customer.description)
for row in sess.query(bundle).yield_per(10000).limit(n):
pass
@Profiler.profile
def test_orm_columns(n):
"""Load individual columns into named tuples using the ORM."""
sess = Session(engine)
for row in sess.query(
Customer.id, Customer.name,
Customer.description).yield_per(10000).limit(n):
pass
@Profiler.profile
def test_core_fetchall(n):
"""Load Core result rows using fetchall."""
with engine.connect() as conn:
result = conn.execute(Customer.__table__.select().limit(n)).fetchall()
for row in result:
data = row['id'], row['name'], row['description']
@Profiler.profile
def test_core_fetchmany_w_streaming(n):
"""Load Core result rows using fetchmany/streaming."""
with engine.connect() as conn:
result = conn.execution_options(stream_results=True).\
execute(Customer.__table__.select().limit(n))
while True:
chunk = result.fetchmany(10000)
if not chunk:
break
for row in chunk:
data = row['id'], row['name'], row['description']
@Profiler.profile
def test_core_fetchmany(n):
"""Load Core result rows using Core / fetchmany."""
with engine.connect() as conn:
result = conn.execute(Customer.__table__.select().limit(n))
while True:
chunk = result.fetchmany(10000)
if not chunk:
break
for row in chunk:
data = row['id'], row['name'], row['description']
@Profiler.profile
def test_dbapi_fetchall_plus_append_objects(n):
"""Load rows using DBAPI fetchall(), generate an object for each row."""
_test_dbapi_raw(n, True)
@Profiler.profile
def test_dbapi_fetchall_no_object(n):
"""Load rows using DBAPI fetchall(), don't make any objects."""
_test_dbapi_raw(n, False)
def _test_dbapi_raw(n, make_objects):
compiled = Customer.__table__.select().limit(n).\
compile(
dialect=engine.dialect,
compile_kwargs={"literal_binds": True})
if make_objects:
# because if you're going to roll your own, you're probably
# going to do this, so see how this pushes you right back into
# ORM land anyway :)
class SimpleCustomer(object):
def __init__(self, id, name, description):
self.id = id
self.name = name
self.description = description
sql = str(compiled)
conn = engine.raw_connection()
cursor = conn.cursor()
cursor.execute(sql)
if make_objects:
for row in cursor.fetchall():
# ensure that we fully fetch!
customer = SimpleCustomer(
id=row[0], name=row[1], description=row[2])
else:
for row in cursor.fetchall():
# ensure that we fully fetch!
data = row[0], row[1], row[2]
conn.close()
if __name__ == '__main__':
Profiler.main()


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#include <bsMachine.h>
Public Member Functions | |
| Machine () | |
| Constructor. | |
| ~Machine () | |
| Destructor. | |
| const Log & | getLog () const |
| Get the bulletscript log. | |
| int | registerGlobalVariable (const String &name, bool readOnly, bstype initialValue) |
| Register a global variable, for use in script. | |
| void | setGlobalVariableValue (const String &name, bstype value) |
| Set the named global variable. | |
| int | compileScript (const uint8 *buffer, size_t bufferSize) |
| Compile a script. | |
| void | preUpdate (float frameTime) |
| Called at the start of a bulletscript update section. | |
| void | postUpdate (float frameTime) |
| Called at the end of a bulletscript update section. | |
| void | createType (const String &name) |
| Create a new EmitType. | |
| int | getTypeId (const String &name) const |
| Get the unique id of the named EmitType. | |
| void | releaseType (UserTypeBase *object) |
| Releases the object's internal memory. | |
| void | updateType (UserTypeBase *object, bstype x, bstype y, bstype angle, float frameTime) |
| Update the user object. | |
| int | registerEmitFunction (const String &type, const String &name, int numArgs, EmitFunction func) |
| Register an EmitFunction for the specified type. | |
| void | setDieFunction (const String &type, DieFunction func) |
| Give the EmitType a user-defined DieFunction callback, for destroying emitted objects. | |
| int | setAnchorX (const String &type, SetFunction set, GetFunction get) |
| Set the 'x' property for this EmitType,. | |
| int | setAnchorY (const String &type, SetFunction set, GetFunction get) |
| Set the 'y' property for this EmitType,. | |
| int | setAnchorAngle (const String &type, SetFunction set, GetFunction get) |
| Set the 'angle' property for this EmitType,. | |
| int | registerProperty (const String &type, const String &name, SetFunction set, GetFunction get) |
| Register a controllable property for this EmitType. | |
| int | registerAffector (const String &type, const String &name, AffectorFunction func) |
| Registers a user AffectorFunction with this type. | |
| int | registerNativeFunction (const String &name, bool returnsValue, int numArguments, NativeFunction func) |
| Registers native function. | |
| int | declareControllerMemberVariable (const String &ctrl, const String &var, bstype value) |
| Declares a member variable for a Controller, which can then be used in script. | |
| Emitter * | createEmitter (const String &definition, bstype x, bstype y, bstype angle, void *userObject=0) |
| Create an Emitter. | |
| void | destroyEmitter (Emitter *emit) |
| Destroy the specified Emitter. | |
| bool | emitterDefinitionExists (const String &name) const |
| See whether the named EmitterDefinition exists. | |
| Controller * | createController (const String &definition, bstype x, bstype y, bstype angle, void *userObject=0) |
| Create a Controller. | |
| void | destroyController (Controller *ctrl) |
| Destroy the specified Controller. | |
| bool | controllerDefinitionExists (const String &name) const |
| See whether the named ControllerDefinition exists. |
This class is used to control all aspects of bulletscript relevant to the user. There can be more than one Machine running at one time, although there is little need for this, as objects within the machine do not communicate with each other.
| int BS_NMSP::Machine::compileScript | ( | const uint8 * | buffer, | |
| size_t | bufferSize | |||
| ) |
Compile a script.
| buffer | buffer in which the script is stored. | |
| bufferSize | the length of the script buffer. |
| bool BS_NMSP::Machine::controllerDefinitionExists | ( | const String & | name | ) | const |
See whether the named ControllerDefinition exists.
| name | name of the ControllerDefinition. |
| Controller* BS_NMSP::Machine::createController | ( | const String & | definition, | |
| bstype | x, | |||
| bstype | y, | |||
| bstype | angle, | |||
| void * | userObject = 0 | |||
| ) |
Create a Controller.
| definition | name of the ControllerDefinition to use (as defined in script). | |
| x | initial x position. | |
| y | initial y position. | |
| angle | initial angle. | |
| userObject | an object which the user can pass in. |
| Emitter* BS_NMSP::Machine::createEmitter | ( | const String & | definition, | |
| bstype | x, | |||
| bstype | y, | |||
| bstype | angle, | |||
| void * | userObject = 0 | |||
| ) |
Create an Emitter.
| definition | name of the EmitterDefinition to use (as defined in script). | |
| x | initial x position. | |
| y | initial y position. | |
| angle | initial angle. | |
| userObject | an object which the user can pass in, and can later access from any object created by this Emitter. |
| void BS_NMSP::Machine::createType | ( | const String & | name | ) |
Create a new EmitType.
This does not check to see if the type already exists.
| name | name of the EmitType. |
| int BS_NMSP::Machine::declareControllerMemberVariable | ( | const String & | ctrl, | |
| const String & | var, | |||
| bstype | value | |||
| ) |
Declares a member variable for a Controller, which can then be used in script.
| ctrl | name of the Controller. | |
| var | name of the variable. | |
| value | initial value. |
| void BS_NMSP::Machine::destroyController | ( | Controller * | ctrl | ) |
| void BS_NMSP::Machine::destroyEmitter | ( | Emitter * | emit | ) |
| bool BS_NMSP::Machine::emitterDefinitionExists | ( | const String & | name | ) | const |
See whether the named EmitterDefinition exists.
| name | name of the EmitterDefinition. |
| int BS_NMSP::Machine::getTypeId | ( | const String & | name | ) | const |
Get the unique id of the named EmitType.
This can be used to retrieve an EmitType, to manipulate it directly.
| name | name of the EmitType. |
| void BS_NMSP::Machine::postUpdate | ( | float | frameTime | ) |
Called at the end of a bulletscript update section.
| frameTime | the time interval since last update, in seconds. |
| void BS_NMSP::Machine::preUpdate | ( | float | frameTime | ) |
Called at the start of a bulletscript update section.
| frameTime | the time interval since last update, in seconds. |
| int BS_NMSP::Machine::registerAffector | ( | const String & | type, | |
| const String & | name, | |||
| AffectorFunction | func | |||
| ) |
Registers a user AffectorFunction with this type.
Affector functions are stored per-EmitType. If the name is already in use, it will be overwritten.
| type | EmitType to register for. | |
| name | name of the function in script. | |
| func | AffectorFunction function pointer. |
| int BS_NMSP::Machine::registerEmitFunction | ( | const String & | type, | |
| const String & | name, | |||
| int | numArgs, | |||
| EmitFunction | func | |||
| ) |
Register an EmitFunction for the specified type.
| type | name of the EmitType | |
| name | function name to be used in script. | |
| numArgs | number of arguments, to be used in parsing. | |
| func | pointer to the EmitFunction to use. |
| int BS_NMSP::Machine::registerGlobalVariable | ( | const String & | name, | |
| bool | readOnly, | |||
| bstype | initialValue | |||
| ) |
Register a global variable, for use in script.
| name | variable name. | |
| readOnly | whether the variable can be modified in script, or not. | |
| initialValue | initial value. |
| int BS_NMSP::Machine::registerNativeFunction | ( | const String & | name, | |
| bool | returnsValue, | |||
| int | numArguments, | |||
| NativeFunction | func | |||
| ) |
Registers native function.
| name | name of the function in script. | |
| returnsValue | whether the function returns a value or nothing. | |
| numArguments | the number of arguments the function takes. | |
| func | NativeFunction function pointer. |
| int BS_NMSP::Machine::registerProperty | ( | const String & | type, | |
| const String & | name, | |||
| SetFunction | set, | |||
| GetFunction | get | |||
| ) |
Register a controllable property for this EmitType.
You can only set BS_MAX_USER_PROPERTIES properties, defined in bsConfig.h, due to performance reasons.
| type | EmitType to register for. | |
| name | property name. | |
| set | user-defined SetFunction. | |
| get | user-defined GetFunction. |
| void BS_NMSP::Machine::releaseType | ( | UserTypeBase * | object | ) |
Releases the object's internal memory.
The user should call this function on an object when they delete that object.
| object | pointer to user object. |
| int BS_NMSP::Machine::setAnchorAngle | ( | const String & | type, | |
| SetFunction | set, | |||
| GetFunction | get | |||
| ) |
Set the 'angle' property for this EmitType,.
This property must be set differently, because it is built-in, and used as an anchor.
| type | EmitType to register for. | |
| set | user-defined SetFunction. | |
| get | user-defined GetFunction. |
| int BS_NMSP::Machine::setAnchorX | ( | const String & | type, | |
| SetFunction | set, | |||
| GetFunction | get | |||
| ) |
Set the 'x' property for this EmitType,.
This property must be set differently, because it is built-in, and used as an anchor.
| type | EmitType to register for. | |
| set | user-defined SetFunction. | |
| get | user-defined GetFunction. |
| int BS_NMSP::Machine::setAnchorY | ( | const String & | type, | |
| SetFunction | set, | |||
| GetFunction | get | |||
| ) |
Set the 'y' property for this EmitType,.
This property must be set differently, because it is built-in, and used as an anchor.
| type | EmitType to register for. | |
| set | user-defined SetFunction. | |
| get | user-defined GetFunction. |
| void BS_NMSP::Machine::setDieFunction | ( | const String & | type, | |
| DieFunction | func | |||
| ) |
Give the EmitType a user-defined DieFunction callback, for destroying emitted objects.
Unlike EmitFunctions, there can only be one DieFunction registered per EmitType.
| type | EmitType to register for. | |
| func | pointer to the function. |
| void BS_NMSP::Machine::setGlobalVariableValue | ( | const String & | name, | |
| bstype | value | |||
| ) |
Set the named global variable.
If the variable is not found, nothing happens.
| name | variable name. | |
| value | value to set to. |
| void BS_NMSP::Machine::updateType | ( | UserTypeBase * | object, | |
| bstype | x, | |||
| bstype | y, | |||
| bstype | angle, | |||
| float | frameTime | |||
| ) |
Update the user object.
The user should call this on each object that they want bulletscript to update. It should be called between preUpdate() and postUpdate().
| object | pointer to user object. | |
| x | x position of the user object. | |
| y | y position of the user object. | |
| angle | angle of the user object. | |
| frameTime | the time interval since last update, in seconds. |


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Panel 3 Contents
Panel 4 Contents
Panel 5 Contents


2008 Plugin Interface
About
Pitivi's current interface, whist having a solid base is a little lackluster with regards to API compatibility and formality, I (--Gord 16:06, 4 August 2008 (BST)) am currently developing a branch that aims to counter that.
Development
Current development is happening on a launchpad branch (simply for ease of development for me) located here: https://code.edge.launchpad.net/~gordallott/+junk/pitivi-plugininterface pitivi-plugininterface
Concept
A plugin needs to communicate in two ways, the main application needs to be able to talk to plugin code (call methods and such) and plugin code needs to be able to communicate back via some sort of API, currently pitivi handles the first problem with zope interfaces which works nicely, the second problem is ignored, plugins must query pitivi's internal code via pitivi.instance.PiTiVi which contains the programs instance.
The problem with this direction is that any internal code changes will break plugin compatibility and further more it increases the difficulty of the casual user writing plugins as they are required to be intimately knowledgeable of pitivi's internal code.
The tried and tested solution to this problem is to develop a plugin API, the API will handle any communication from the plugin to pitivi by abstracting pitivi.instance.PiTiVi with a stable API. The plugin can then make simple calls such as api.gui.add_menu_item(...) and be confident that the API will not change from version to version.
API
Design considerations
The api has a slight problem in that it may be initialised before pitivi is ready to be modified, This is solved at the moment by 'locking' the api (via decorators for ease of use..) until the main pitivi codebase emits a 'ready' signal, the api will raise an InterfaceNotReadyError exception if its called before then
Current implementation
The current API uses epydoc for its documentation and is structured as follows:
-
pitivi
-
PluginInterface
-
gui
-
show_gui(self, *args, **kwargs)
shows or hides the main application window depending on the value of 'visible' -
add_menu_item(self, *args, **kwargs)
Adds a menu item to the appropriate main window menu -
remove_menu_item(self, name)
removes the given menu item from the user interface -
remove_ui(self)
removes all changes this instance of the plugininterface has made to the user interface
-
-
Project
add_source
-
-
Settings
The current api simply requires that plugin.settings exists and (un)pickles that data to save/load settings, there is a problem there with human readabity and maybe even security, also its not that kind to version upgrades.
Current implementation
The current implementation is inspired by Django's model setup, essentially the plugin authors create a class, in that class are Fields (special pitivi python objects that can handle validation and such) that describe settings.
for example the Field for a setting that must be a single line string would be
mySetting = pluginsettings.CharField('a_string', default='hello world!')
At the moment plugin.settings must be a pitivi.pluginsettings.SettingsStore object, this object can then create xml data to store and retrieve the settings as needed.
a further example for the entire settings store is:
class ConfigureTest_Settings(pluginsettings.SettingsStore):
""" Our plugins settings """
variable1 = pluginsettings.CharField('astring', default='hello world!')
variable2 = pluginsettings.FloatField('float_field', default=10)
Fields
This is a list of the current fields available:
- BooleanField
- CharField
- FloatField
- IntegerField
- TextField
- NullField
Configuration
The current api only makes one consideration regarding configuration, that is that the plugin class object must be IConfigurable zope interface compatible, which essentially means must provide the configure() method - this requires plugins to create their own configuration dialogs and such, which is a pain for plugin developers and a pain for anyone that likes consistency in their applications To solve this I am proposing an interface that will be able to take settings defined by a plugin and turn that into a sensible gtk configuration dialog.
Current implementation
The current implementation is a mix-in object that replaces the configure() method with our own gui-builder code (plugin authors that need more flexibility can create their own configure() method)
the gui-builder code simply parses the current settings object and is able to build a gui from the fields provided, for example it will provide a text entry for CharField objects. what 'widget' is used to draw each settings can be further customised by providing the setting with a widget argument, for example:
pw_string = CharField('a password string', default='', max_length=32,
widget=pluginsettings.charField_widget_passworded)
this code will provide an input widget where the characters are starred out which is appropriate for a password field. plugins can even provide their own widgets by subclassing FieldWidget but this is absolutely not nessasserry
custom configuration widget example
this will check to see if the current screen is composited and emit a warning
composite_warning = _('Warning: you seem to have compositing enabled, this may \
result in a severe slowdown when recording your screencast.')
class composite_check(pluginsettings.FieldWidget):
def __init__(self, field=None):
pluginsettings.FieldWidget.__init__(self, field)
self.container = gtk.HBox(False, 6)
self.icon = gtk.Image()
self.icon.set_from_stock(gtk.STOCK_DIALOG_WARNING, 6)
self.container.pack_start(self.icon, False, True, 0)
self.icon.show()
self.label = gtk.Label(composite_warning)
self.label.set_line_wrap(True)
self.container.pack_start(self.label, True, True, 0)
self.label.show()
self.add(self.container)
self.container.show()
if not self.is_composited():
#we check for a composited desktop with this
self.container.hide()
def get_value(self):
return None
class Settings(pluginsettings.SettingsStore):
warning = NullField('', widget=composite_check, draw_label=False)
... more settings go here ...
custom configuration widget example - preview
The above example produces the following image
Plugin Examples
Plugin that demonstrates the configuration dialog builder
#!/usr/bin/env python
# configure_test.py
#
from zope.interface import Interface, Attribute
import zope.interface as interface
from pitivi import plugininterface
from pitivi import plugincore
from pitivi import pluginsettings
from pitivi.pluginsettings import *
from random import random
class Interface_Settings(pluginsettings.SettingsStore):
# this is a CharField setting, a charfield is used to store simple strings
# we set its priority to 0 to make sure that its right at the top of our
# settings dialog (lower values = drawn first)
astring = CharField('a string', default='hello world!',
max_length=32, priority=0)
# this is similar to the previous setting apart from that we use a different
# 'widget' to draw the settings value, specifically one that will hide the
# password from view
pw_string = CharField('a password string', default='apassword', max_length=32,
widget=pluginsettings.charField_widget_passworded)
# this is a FloatField setting, it will store floating point numbers,
# by default this uses a 'spinner' widget in the settings dialog
afloat = FloatField('put a number in here', default=10.0, priority=200,
min_value=0.0, max_value=20.0)
# this is similar to the previous setting but instead will only store
# integer values
anint = IntegerField('put an int in here', default=5, priority=100)
# this is another floating point setting but we use a different widget
# to draw it, the scaleField widget will allow people to configure the
# setting by dragging a handlebar around
arange = FloatField('push this widget around', default=10.0, priority=500,
max_value=100.0, min_value=0.0,
widget=pluginsettings.scaleField_widget)
airange = IntegerField('integer based range', default=10, priority=499,
max_value=100, min_value=0,
widget=pluginsettings.scaleField_widget)
# this is a boolean value, it will store True/False values, we set draw_label
# to false because the checkbutton that's used to draw this setting already
# contains a label inside it
truth = BooleanField('this is a truth value', default=True, draw_label=False)
# second tag here - this is a 'realworld' example,
# we pass each item two tags, the first tag indicates a 'major' tag and
# the second indicates a 'minor' tag, if there is more than one major tag
# given then the settings dialog will use a notebook to draw the settings,
username = CharField('username', default='Simon', max_length=64,
priority=0, tags=('Realworld', 'user info'))
password = CharField('password', default='', max_length=32,
widget=pluginsettings.charField_widget_passworded,
tags=('Realworld', 'user info'))
fish_size = FloatField('Fish Size', default=15, priority=35,
max_value=100, min_value=1,
tags=('Realworld', 'Fish Configuration'),
widget=pluginsettings.scaleField_widget)
fish_number = IntegerField('Number of fish', default=15, priority=1,
max_value=1000, min_value=0,
tags=('Realworld', 'Fish Configuration'),
widget=pluginsettings.scaleField_widget)
# this is our main plugin class that's called by pitivi, we subclass it from
# ConfigureBuilder so that we can have a settings dialog built for us
class Configure_Test(pluginsettings.ConfigureBuilder):
interface.implements(plugincore.IPlugin, plugincore.IConfigurable)
name = 'configure test plugin'
category = 'test'
description = 'a test plugin, just gets the configure test going'
version = '1.0'
authors = 'Gordon Allott'
enabled = True
# for our settings we must create an instance of our custom settings object
settings = Interface_Settings()
def __init__(self):
pass
def __call__(self, manager):
""" called when the plugin is loaded """
pluginsettings.ConfigureBuilder.__init__(self, manager)
self.manager = manager
# load our saved settings
self.manager.loadSettings(self)
# connect up the 'enabled changed' signal, its a signal that's emitted
# when the plugin.enabled state is changed somehow, obviously our
# plugin has to take note of that and disable/enable its functionality
# accordingly
self.manager.connect('plugin-enabled-changed', self._enabled_changed_cb)
def cleanup(self):
""" used to remove any items and stuff we have added """
self.manager.saveSettings(self)
def initialize(self, ref):
""" called when the interface is ready to be manipulated """
pass
# -- callbacks --
def _enabled_changed_cb(self, manager, plugins):
""" called when some plugins state has changed, maybe this one """
if self.name in plugins:
if self.enabled:
self.initialize(None)
else:
self.cleanup()
Preview of the previous example
The results of the search are


Best Black Friday Tech Deals 2019
Black Friday is approaching fast, with retailers beginning their sales imminently. We outline when and what is Black Friday, and where to find the best deals before they sell out. Let us be your guide for the best Black Friday tech deals.
by Ashleigh MacroBlack Friday is nearly upon us, with retailers around the globe preparing for this mammoth sales event that officially takes place on 29 November. Actually it starts much earlier than that, and from here on in before you buy anything you should check whether it's at the best price. Whether you're Christmas shopping for others, looking to treat yourself or just need some new tech, during the Black Friday sale is the time to buy it.
Once a US event, and in the UK first celebrated only at Amazon, now Black Friday is literally everywhere. Currys PC World, John Lewis and all the other tech- and retail giants will be doling out bargains and discounts and there will be so much to see you won't know where to start. Well, as it happens, we can help with that.
We review tech gadgets all year long, and we know the difference between a super deal and a bit of tat or an old device they're trying to sell off quick. You can trust the advice of our team of tech experts to bring you everything you need to know about Black Friday 2019, including how to score the best deals on your favourite tech and gadgets.
Our sister sites Digital Arts and Macworld are also rounding up the best deals for designers and artists and putting together an unmissable Apple Black Friday buying guide.
When is Black Friday 2019?
Every year Black Friday falls the day after Thanksgiving, which we appreciate means little here in the UK. The date you need for your calendar is 29 November 2019, which thankfully will for most people fall just after pay day.
Cyber Monday is also a thing, and that happens the very next Monday, so in 2019 it's on 2 December. Expect huge discounts all weekend in between, and most likely in the weeks either side.
Recently, retailers have been kicking off their sales early, so what was once a single day has become almost a whole month of bargains. Some retailers will actually keep their discounts going right through until Christmas, so it's not strictly limited to November, either.
Don't worry though, we're on hand to let you know when retailers will launch their deals events so you won't miss a thing.
Until the sales start you'll find our top tech deals below, followed by everything you need to know about Black Friday this year. Click here to skip ahead to our deals tips and tricks.
Best tech deals right now
1. Samsung Galaxy A80, A70 or A40 with 10GB data
From: EE
Now: From £31 per month (Includes free Nintendo Switch or 43in Toshiba TV)
View Deal
This incredible offer lets you choose between a free Nintendo Switch or 43in Toshiba TV when you buy select Samsung A-range phones. We're recommend the A70 or A80. Ends 25 November.
2. Samsung Galaxy A90 5G with free Amazon Fire 7 tablet
From: Mobiles.co.uk
Now: From £45 per month
View Deal
Pick up the Galaxy A90, the mid-range 5G phone from Samsung, along with a free Amazon Fire 7 tablet.
3. WD My Passport Hard Drive - 4TB
From: Amazon
Was: £149
Now: £92.57 (£56.43 off)
View Deal
Pick up this 4TB portable hard drive with over a third of the price off. See our round up of the best portable hard drives and SSDs.
4. Anker PowerCore 20000mAh
From: Anker
Was: £34.99
Now: £27.99 (£7 off)
View Deal
Get 20% off Anker's popular PowerCore power bank with a 20000mAh battery capacity.
5. Envirofone Big November Sale
From: Envirofone
Now: Up to 15% off refurbished iPhone & Samsung Galaxy phones
View Deal
Save on refurbished iPhone and Samsung Galaxy phones from Envirofone as a part of its November Sale.
6. Vodafone Superfast 2 broadband - 63Mbps
From: Vodafone
Now: £23 per month (same price as Superfast 1 plan - 35Mbps)
View Deal
Pick up a faster broadband speed from Vodafone at the same price as the basic plan 35Mbps, Superfast 1.
7. Krups Dolce Gusto Oblo
From: Currys PC World
Was: £89.99
Now: £28 (£61.99 off)
View Deal
If you miss this deal, it's currently the same price on Amazon
8. O2 6GB monthly Pay As You Go SIM
From: O2
Now: £15 per month (20GB first three months)
View Deal
O2 just launched PAYG SIMs. This deal on the 6GB plan gets you 20GB of data the first three months.
9. HP Sprocket Photo Printer
From: Amazon
Was: £119.99
Now: £69.99 (£50 off)
View Deal
Print instant 5 x 7.6cm (2 x 3 in) photos from your iPhone (or other smartphone). The Sprocket printer is about the size of a mobile phone and weighs around 170g, so you can carry it with you and print photos for friends and family. See our round up of the best instant printers.
10.  It's not the cheapest we've ever seen it, but it's a great deal if you want to buy one today.
What is Black Friday?
After a holiday of giving thanks for family, friends and settled life, American retailers opted to juxtapose Thanksgiving with a huge day of commercial spending. Who were we Brits to resist the allure of heavily discounted items, too?
It is debated whether or not Black Friday refers to a day retailers finally went ‘into the black’, meaning they finally made profit for the year thanks to heightened sales, or whether it actually has morphed from a description of horrible traffic in Philadelphia on the Friday after Thanksgiving.
When Black Friday first gained huge popularity about 10 years ago, it was usual to see newsreel of people physically fighting over big TVs in the middle of Walmart (or Asda in the UK, who has now opted to not take part because of the mayhem).
You can’t blame them really, as scenes often got out of hand at shops. But Black Friday has passed beyond trivial now as it has moved online, and it is serious business for retailers.
How to get the best Black Friday 2019 deals
The most important thing to do when considering whether something is a good deal is to ask yourself: “Would I still want and buy this if it was full price?” Often the answer may be no, which means you need to think whether you’re saving money with a discount, or wasting it caught up in the excitement of a sale.
A deal for one person won’t be a deal for someone else, no matter how many times Amazon, Argos or John Lewis might tell you otherwise.
It’s important to track the prices of the gadgets and tech you want well before Black Friday too - you don't be fooled into a deal that's not such a great deal after all.
It isn’t unusual (or difficult, or illegal) for some retailers to put prices up on Black Friday. Yes, that’s right - sometimes discount prices are higher on Black Friday compared to the rest of the year because dishonest retailers know they will get more page views from people ready to click buy.
Black Friday 2019 Amazon deals
Amazon is one of the best places to go for Black Friday deals, and it has just announced that its Black Friday sale will begin on Friday 22 November through to Friday 29 November, with a series of Countdown sales between 18 and 21 November. Even before then there are deals, with its Hidden Gems sale kicking off on 8 November.

It'll likely have huge discounts on its own products, but also across the site - especially through its short-lived Lightning Deals.
We'd recommend signing up to Amazon's 30-day Amazon Prime free trial. It will get you free next day delivery (although it sometimes takes a little longer during the Black Friday rush) but will also get you access to Lightning Deals 30 minutes before those who aren't Prime members.
Some Lightning Deals are so great that they sell out before that 30 minutes are up so without the Prime membership or free trial you may find you miss out completely.
We'll be tracking and posting the best Amazon deals here. We will also highlight the best Amazon deals in this article to make sure you spotting them right away (there are so many deals on Amazon that it can be hard to find what you're looking for). Our list will also help ensure you couldn't get a better deal elsewhere.
Black Friday 2019 phone, gaming and entertainment deals
If you’ve been waiting to spend on a new phone, particularly if you are buying the handset outright, you might be waiting for a Black Friday deal.
Carphone Warehouse and others such as Mobile Phones Direct often have lots of decent smartphone deals, be it on contract or SIM-only.
Given that we now have excellent handsets like the Samsung Galaxy S10, Huawei P30 pro and iPhone XS you can expect retailers to offer some very tempting deals. We've gathered all of the best phone deals here.
You'll also find excellent deals on games and games consoles. We expect Nintendo Switch deals to be among the most popular so make sure you act fast.
Meanwhile, places like Currys PC World and AO.com discount 4K TVs, sometimes by hundreds of pounds, as well as home appliances and more.
Black Friday Sales
Based on their participation in past years, you can expect Black Friday Sales from the following retailers:
- Amazon
- AO.com
- Argos
- Carphone Warehouse
- Currys PC World
- eBay
- Ebuyer
- GAME
- Halfords
- John Lewis
- KRCS
- Laptops Direct
- Littlewoods
- Mobiles.co.uk
- Samsung
- Smyths Toys
- Very
Black Friday 2019 deals curated by us
We love tech here at Tech Advisor (obviously) and we love genuinely good deals just as much. We work with tech every day, so we know a good bargain - and a bad deal - when we see one.
You can visit our deals page here, all year round. But over the holiday shopping period our deals pages go into overdrive and we bring you deals from every tech category as soon as we see them. We pick out the absolute best, so bookmark the page to make sure you don't miss out on a bargain.
We are curating a huge amount of tech deals for you, the discerning tech consumer, so that you can come here and see the best deals, safe in the knowledge that the discount and retailer is legitimate.
Below is a list of all of our individual deals pages curated by us for your convenience:
- Best PS4 deals
- Best Xbox One deals
- Best Switch deals
- Best VR deals
- Best PC Gaming deals
- Best phone deals
- Best budget phone deals
- Best Samsung phone deals
- Best 5G phone deals
- Best tablet deals
- Best laptop deals
- Best Dell laptop deals
- Best Dell refurbished deals
- Best Microsoft Surface Deals
- Best CPU deals
- Best Graphics Card
- Best PC deals
- Best monitor deals
- Best smartwatch deals
- Best printer deals
- Best TV deals
- Best smart home deals
- Best drone deals
- Best camera deals
- Best dash cam deals
- Best Fitbit deals
- Best headphones deals
- Best speaker deals
- Best electric toothbrush deals
- Best coffee machine deals
- Best Dyson deals
- Best vacuum cleaner deals
- Best board game deals
- Best LEGO deals
- Best Power Bank Deals
- Best Xiaomi Deals
- Best Amazon deals
- Best Echo deals
- Best GHD deals
- Best Baby Tech
- Best Currys PC World deals
- Best VPN deals
- Best antivirus deals
- Best broadband deals
Click here for the best Black Friday voucher codes.


The control/branch.h
header defines a branching control construct.
#include <chaos/preprocessor/control/branch.h>
The CHAOS_PP_BRANCH
macro selects a branch of execution.
CHAOS_PP_BRANCH
if elif else (0xENDIF)
The initial "if" branch. This must be one of the following forms:
(0xIF)(cond)(...) (0xIIF)(bit)(...)
Valid values for the cond argument range from 0
to CHAOS_PP_LIMIT_MAG
.
Valid values for the bit argument are 0
and 1
.
Zero or more "else-if" branches, where each branch is one of the following forms:
(0xELIF)(cond)(...) (0xELIIF)(bit)(...)
Valid values for the cond argument range from 0
to CHAOS_PP_LIMIT_MAG
.
Valid values for the bit argument are 0
and 1
.
The "else" branch. If this branch exists, it must be in the in the following form:
(0xELSE)(...)
CHAOS_PP_BRANCH
if elif else (0xENDIF)
The initial "if" branch. This must be one of the following forms:
(0xIF)(cond)(expr) (0xIIF)(bit)(expr)
Valid values for the cond argument range from 0
to CHAOS_PP_LIMIT_MAG
.
Valid values for the bit argument are 0
and 1
.
Zero or more "else-if" branches, where each branch is one of the following forms:
(0xELIF)(cond)(expr) (0xELIIF)(bit)(expr)
Valid values for the cond argument range from 0
to CHAOS_PP_LIMIT_MAG
.
Valid values for the bit argument are 0
and 1
.
The "else" branch. If this branch exists, it must be in the in the following form:
(0xELSE)(expr)
Each cond or bit condition is checked in order.
If a cond is non-zero or a bit is 1
, the entire construct expands to the expr or __VA_ARGS__
associated with the associated branch.
If all cond and bit conditions evaluate to 0
, this macro expands to the expr or __VA_ARGS__
associated with the "else" branch.
If no "else" branch exists, this macro expands to nothing.
The behavior of this macro is illustrated in the following example:
CHAOS_PP_BRANCH
(0xIF)(X)(A)
(0xELIF)(Y)(B)
(0xELIF)(Z)(C)
(0xELSE)(D)
(0xENDIF)
In this example, if X
evaluates to non-zero, the entire construct, from CHAOS_PP_BRANCH
to (0xENDIF)
expands to A
.
Otherwise, if Y
evaluates to non-zero, the construct expands to B
.
Otherwise, if Z
evaluates to non-zero, the construct expands to C
.
Otherwise, the construct expands to D
.
Note that any number of "else-if" branches may exist, though no "else-if" branches are required.
Also note that the "else" branch need not exist.
For example, the following lines are roughly equivalent to
and CHAOS_PP_INLINE_WHEN
(bit)(expr)
respectively:
CHAOS_PP_IIF
(bit)(T, F)
CHAOS_PP_BRANCH
(0xIIF)(bit)(expr)(0xENDIF)CHAOS_PP_BRANCH
(0xIIF)(bit)(T)(0xELSEIF)(F)(0xENDIF)
They are not equivalent because the CHAOS_PP_BRANCH
construct expands to a value that cannot directly expand against trailing invocations such as,
#define A() !CHAOS_PP_BRANCH
(0xIIF)(1)(A)(0xENDIF)() // A ()CHAOS_PP_INLINE_WHEN
(1)(A)() // !
In order to make the above expand as desired, the result of CHAOS_PP_BRANCH
needs to be "cleaned" with an identity macro such as CHAOS_PP_EXPAND
.
CHAOS_PP_EXPAND
(CHAOS_PP_BRANCH
(0xIIF)(1)(A)(0xENDIF))() // !
In C99, the CHAOS_PP_IIF
case above is also not equivalent because only the "else" branch of the CHAOS_PP_IIF
invocation may be variadic.
Every element of this branching construct is lazy.
In other words, the expr or __VA_ARGS__
for a particular branch is not evaluated unless it is selected.
Further, each cond or bit is not evaluates unless all previous cond and bit values evaluated to 0
.
#define VALID() 1
#define INVALID() VALID(!) // too many arguments
CHAOS_PP_BRANCH
(0xIIF)(1)(
VALID()
)
(0xELIIF)(INVALID())(
INVALID()
)
(0xENDIF)
If any one of the INVALID()
invocations was actually invoked, and error would be produced.
Because the construct is lazy, however, none of the INVALID()
invocations is invoked.

CHAOS_PP_BRANCH_ID
()
This macro exists only for uniformity with other macros that require indirect invocation.
The CHAOS_PP_BRANCH_
macro expands to a λ expression representing CHAOS_PP_BRANCH
.
CHAOS_PP_BRANCH_
This macro is a shorthand form of the following λ binding:


{% extends 'mail/_base.html' %} {% block content %}
Hello {{ registration.first_name }},
Your spot for Smokey Feet 2017 is in grave danger!
If you find this email in your inbox it means we have not received your payment yet. Make sure you secure your spot by paying before {{ registration.payment_due_date|date:"SHORT_DATE_FORMAT" }}.
If you have paid but still receive this email make sure you check your payment details and see if everything went well. You can send us a copy/print screen if you are in doubt. Please note that an international bank transfer can take a couple of days.
All the best,
Smokey Feet Crew
{% endblock %}


{% load humanize %} {% load guardian_tags %}
{{ comment.body }}
{% if comment.attachments.exists %} {% include "includes/attachments.html" with attachment_list=comment.attachments.all cardtype="full" %} {% endif %} {% if request.resolver_match.url_name != "reply" %} {% for reply in comment.replies.all %} {% include "includes/comment_card.html" with comment=reply %} {% endfor %} {% endif %}


Read Anything on Your Kindle
Rayk takes all your big bad PDF files and turns them into cute Kindle friendly ones.


Power!
The above graph basically shows that we've reduced the power consumption by about 40% since December.
I attribute the dramatic difference to a couple of things:
- I sealed the skylight with plastic during the winter
- I installed an electronically-controlled thermostat on the sleeping side of the apartment
- The radiators (which I don't pay for) worked better this year
- Joan has done her part by reducing the use of the dryer
I'm really happy about this, and I'm looking forward to seeing what difference the more efficient refrigerator makes. (oh, it's conceivable there could be little change, or even an increase, in power consumption because the new fridge is larger than the old, but I doubt it).
And we don't have an AC, as my place would be nearly impossible to cool, but I think blocking the skylight with reflective radiant barrier will make a difference in comfort level this year also.
(I'm aware that my installation of the radiant barrier isn't ideal, but I still believe it represents a net gain over not having it - and I can't see that 'proper' installation would make much of a difference.)
About this entry
You"re currently reading "Power!," an entry on a crick in the net
- Published:
- 06.22.05 / 9am
- Category:
- Circular File, Enviroh-oh-Oh!
Thx for the book recommendation, impressed that your green footprint is so small. Nice clean graph design, Edward Tufte would be proud.
Ya, I can't take credit for the graph - Hydro Quebec actually does it for me. It's quite possible I am violating copyright here. (oops)
I just went back through my site, and realized that the electronic thermostats, and low-flo shower head (which I forgot to mention) were installed around March 1st, 2005.
There's no significant difference noticable in the graph, associated with these, but its not clear how Hydro was delineating the month of March (i.e. I believe that the reading is done mid-March, but what is March? I believe the reading is mid-March... so?)
Actually I think the most telling is that once the outside temperature is no longer a factor, what remains should be purely constant power usage - assumption: I'm still going to take the same amount of showers, wash the same amount of dishes and use television the same amount (little, ) in winter or summer.
It's almost true - except in the extreme temperatures where the fridge has to work harder, and the fans are on - but that is only true when the inside temperature is > 25 °C.
http://www.instructables.com/ex/i/A9D07B9C83FD1028A786001143E7E506/
[...] Hydro has a wonderful client webpage that allows you to do all kinds of great things like look at your consumption. Unfortunately, they require a password with a number, unlike any of my other utilities. I generally do use different passwords with my utilities but I mix usernames and passwords up a lot between them, so typically it takes a while to get the right username and password combination. [...]
[...] Looking back at the last time I did a power consumption review, it's a vast improvement from 2004, but we've slipped slightly since 2005. There are probably a couple of factors here: using more fans (during the summer) and using MythTV, I imagine since the machine is always on. We've also gotten more comfortable with the convection oven for cooking and other cooking appliances. [...]


Using jsreports as a designer for Jasper Reports
If you're already using Jasper Reports on the server, you can use the jsreports designer to edit them in the web browser. You do this by converting between jsreports report definitions and Jasper's .jrxml file format.
Note that jsreports does not fill or render Jasper Reports - you must still use Jasper Reports itself to generate the final reports.
Loading a Jasper report definition
For this example, assume you have a Jasper .jrxml report file located on your server. We will fetch that file using jQuery, convert it to a jsreports definition, and then open the report in the jsreports designer.
// Alias JasperReportDef for brevity
var JasperReportDef = jsreports.integrations.jasper.JasperReportDef;
// Fetch .jrxml file
$.get("/reports/my-report.jrxml", function(jrxml) {
// Convert to jsreports format
var reportDef = JasperReportDef.fromJRXML(jrxml);
// Create designer
var designer = new jsreports.Designer({
container: $(".designer"),
data_sources: [], // Will use the embedded data source information
report: reportDef
});
});
In the code above, the jsreports designer is instantiated in the normal way, except that it receives a report definition converted from JRXML instead of a standard jsreports report definition, and no data sources are provided. The designer will use the embedded data sources in the JRXML report definition.
Saving a modified Jasper report
After the report has been edited in the designer, you can convert back to JRXML to send to the server and run through Jasper Reports. Do that by listening for the designer's "save" event and then using the .getJasperReport() and .toJRXML() methods:
// Listen for save event
var JasperReportDef = jsreports.integrations.jasper.JasperReportDef;
// This code would come immediately after instantiating a jsreports.Designer
$(designer).on("save", function(evt, def) {
var jrxml = designer.getJasperReport().toJRXML();
// ... send JRXML to server
});
Setting the data fields for the report
You can specify the data source schema for the report by calling setSchema on the JasperReportDef object, like this:
var def = new jsreports.integrations.jasper.JasperReportDef();
def.setSchema({
fields: [{
name: 'OrderNumber',
type: 'number'
},{
name: 'Date',
type: 'date'
},{
name: 'Value',
type: 'number'
},{
name: 'Product',
type: 'text'
}]
});
If you do this before opening the designer, the designer will have access to these fields for use in the report.
When you use fromJRXML to read an existing JRXML report, the embedded schema (fields) defined in the JRXML will be used unless you call setSchema() to override them.
Jasper feature support
Below is a list of currently supported features. This list is subject to change; if you have any questions please email us at<EMAIL_ADDRESS>| Feature | Support | Moving and resizing elements | Supported | Adding and deleting elements | Supported | Page header/footer, report title/summary | Supported | Groups | Supported | Chart elements | Support for modifying data series for line, pie, and bar chart types | Text formulas and expressions | Supports any text expression, with support for auto-suggestion of field names | Barcode elements | Certain encodings supported | Image elements | Supported | Box elements | Supported | Jasper element types not listed above | Support for adding, moving, resizing and deleting elements
Need any help?
Questions? Need help getting things working? We're happy to help any time. Email us at mailto:support@jsreports.com?Subject=Question about Jasper integration.


Introduction
-
Tasks:
- Image Retrieval : aims to find similar images to a query image among an image dataset.
-
Tech Trend :
-
Conventional Methods : relying on local descriptor matching (scale invariant features - local image descriptors - reranking with spatial verifications)
-
using FC layers : after several conv layers as global descriptors [A Babenko et al, A Gordo et al.]
-
using global pooling methods : from the activations of conv layers.
-
boost the performance : by combining different global descriptors which are trained individually.
-
1.1 BoF, BoW (Bag of Features, Bag of Visual Words)
-
Introduction : BoW is a simplifying representation used in NLP and information retrieval.
-
Methods : BoF groups local descriptors.
-
Local Feature Extraction : Extract local features from image (SIFT, SURF, small img patches)
-
Clustering : Cluster (k-means) extracted features and find center features (codeword) of each cluster
-
Image representation : Represent each image using histogram of codeword.
-
Learning and Recognition :
-
Generative ways : based on Bayesian => classification by histogram of each class
-
Discriminative ways: using classifier like SVM => put histogram into classifier as a feature vector
Figure 1. Overview of BoW -
-
1.2 VLAD (Aggregating Local Descriptors) (2010)
-
Introduction : propose a simple yet efficient way to aggregating local image descriptors into a vector of limited dimension, which can be viewed as a simplification of the Fisher kernel representation.
-
Fisher Vector : transform a input variable-size set of independent samples into a fixed size vector representation
-
A Gaussian Mixture Model (GMM) is used to model the distribution of features(e.g. SIFT) extracted over the image.
-
The Fisher Vector encodes the gradients of the log-likelihood of the features under the GMM, with respect to the GMM parameters.
-
-
VLAD (Vector of Locally Aggregated Descriptor) : is a feature pooling method, which can be seen as a simplification of the Fisher Kernel. VLAD encodes a set of local feature descriptors extracted from an image using a clustering method such as GMM or K-means.
-
accumulate the differences $x-c_i$ for each visual word $c_i$.
-
subsequently $L_2$ normalized by $v = v / ||v||_2$
-
Can be written using $a_k$ that assigns descriptor $x_i$ to specific cluster centres $c_k$.
$$ v_{i,j} = \sum_{x \in C} x_j-c_{i,j} = \sum_{i=1}^N a_k(x_i)(x_i(j)-c_k(j))$$
-
2.1 NetVLAD (2016)
-
Introduction : develop a cnn architecture that aggregates mid-level conv features into a compact single vector representation using generalized VLAD layer, NetVLAD.
-
Methods : (i) extract top conv featues using pretrained CNN (ii) and pool these features using netVLAD
-
netVLAD : The source of discontinuous in VLAD is hard assignment $a_k(x_i)$ of descriptor $x_i$ to specific cluster centres $c_k$. (If $c_k$ is the closest cluster, $a_k=1$, else, $a_k=0$). Authors replace it to soft assignment (softmax of -distances to each clusters).
$$ a_k(x_i) = softmax( -|x_i - c_k |^2) = \frac{e^{-\alpha | x_i| ^2 + 2\alpha c_k x_i + |c_k |^2}}{\sum_{k’} e^{-\alpha | x_i| ^2 + 2\alpha c_k x_i + |c_{k’} |^2}} = \frac{e^{2\alpha c_k x_i + |c_k |^2}}{\sum_{k’} e^{ 2\alpha c_k x_i + |c_{k’} |^2}} = \frac{e^{w_k^T x_i + b_k}}{\sum_{k’} e^{w_{k’}^T x_i + b_{k’}}}$$
$$V(j,k) = \sum_{i=1}^{N} a_k (x_i)(x_i(j) - c_k(j))$$
3.1 Global Descriptors (~2018)
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SIFT, SPoC : sum pooling from the feature map which performs well mainly due to the subsequent descriptor whitening.
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MAC , regional MAC : performs max pooling (MAC) over regions then sum over the regional MAC descriptor at the end.
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GeM: generalizes max and average pooling with a pooling parameter
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weighted sum pooling, weighted GeM, multiscale RMAC, etc.
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The performance of each global descriptor varies by dataset as each descriptor has different properties. For example, SPoC activates larger regions on the image representation while MAC activates more focused regions
3.2 SPoC, Sum Pooling of Convolution (2015)
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Introduction : investigate possible ways to aggregate local deep features to produce compact global descriptors for image retrieval.
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Methods :
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Sum pooling : The construction of the SPoC descriptor starts with the sum pooling of the deep features.
$$ \psi_1(I) = \sum_{y=1}^{H} \sum_{x=1}^{W} f(x,y)$$
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Centering prior : objects of interest ted to be located close to the geometrical center of an image. So, incorporate such centering prior using coefficients $\alpha(w,h)$ , (Gaussian)
$$ \psi_2(I) = \sum_{y=1}^{H} \sum_{x=1}^{W} \alpha(x,y)f(x,y)$$
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Post processing : The obtained representation $\psi(I)$ is subsequently l2 normalized, then PCA compression and whitening are performed.
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3.3 MAC, RMAC, Maximum Activation of Convolution (2015)
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Introduction : revisit both retrieval stages, namely initial search and reranking
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Method :
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Maximum Activation of Convolutions (MAC) : the feature vector constructed by a spatial max-pooling over all feature map $\chi_i$ from last conv.
$$ \mathbb{f_{\Omega}} = [f_{\Omega,1}, f_{\Omega,2}, … ,f_{\Omega,K}]^T, with f_{\Omega,i} = max \chi_i(p)$$
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regional MAC : divide conv feature map to multiple regions(for WxH dim not C) and apply MAC for each regions and post-process it. (l2 and PCA-whitening)
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Two images are compared with the cosine similarity of the K-dim vector produced as described above.
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3.4 GeM, Generalized Mean Pooling (2017)
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Introduction : propose a novel trainable Generalized Mean Pooling layer that generalizes max and average pooling and show that it boosts retrieval performance
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Method :
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ConvNet Backbone : given an input image, the output is a 3D tensor $\chi$ of $W \times H \times K$ dimensions
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GeM : add a pooling layer that takes $\chi$ as an input and produces a vector $\mathbb{f}$ as an output of the pooling process.
$$ \mathbb{f_{\Omega}} = [f_{\Omega,1}, f_{\Omega,2}, … ,f_{\Omega,K}]^T, f_{\Omega,k} = ( \frac{1}{|\chi_k|} \sum_{x \in \chi_k}x^{p_k})^{\frac{1}{p_k}}$$
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4.1 Combination of Multiple Global Descriptors (2019)
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Introduction : Ensembling different models and combining multiple global descriptors lead to performance improvement. However, these processes are not only difficult but also inefficient with respect to time and memory. Here, authors propose a novel framework that exploits multiple global descriptors to get an ensemble effect while it can be trained in an end-to-end manner.
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Method : Proposed framework consists of a CNN backbone and two modules. The first main module learns an image representation, which is a combination of multiple global descriptors. Next, an auxiliary module to fine-tune a CNN with a classification loss.
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Backbone Network : can use any CNN such as Inception, ShuffleNet, Resnet. authors use ResNet50 as a baseline backbone.
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Main Module - Multiple Global Descriptors : main module has multiple branches that output each image representation by using different global descriptors (SPoC, MAC, GeM) on the last conv layer. And these discriptions are concatenated after whitening(PCA, FC) and l2 normalization .
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Auxiliary Module : finetunes the CNN backbone based on the first global descriptor of the main module by using a classification loss (train a CNN backbone with a classification loss and then fine-tune the network with a triplet loss). Additional temperature scaling and label smoothing for performance improvement.
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bank = variable containing handle to valid bank
filehandle/stream = a valid variable set with the WriteFile or OpenTCPStream (v1.52+) offset = offset in bytes to write the value count = how many bytes to write from the offset |
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You can write the contents of a memory bank to a file on disk (or stream) using this command.
Note: The file handle must be opened with WriteFile or OpenTCPStream and subsequently closed with CloseFile or CloseTCPStream after the writing operations are complete. Return how many bytes successfully written to a stream. Streams can only be used in Blitz Basic v1.52 or greater. See also: ReadBytes. |
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; Read/WriteBytes Commands Example
; Create a 50 byte memory bank bnkTest=CreateBank(500) ; Let's fill the bank with random data For t = 1 To 50 PokeByte bnkTest,t,Rnd(255) Next ; Open a file to write to fileBank=WriteFile("test.bnk") ; Write the bank to the file WriteBytes bnkTest,fileBank,0,50 ; Close it CloseFile fileBank ; Free the bank FreeBank bnkTest ; Make a new one bnkTest=CreateBank(500) ; Open the file to read from fileBank=OpenFile("test.bnk") ; Write the bank to the file ReadBytes bnkTest,fileBank,0,50 ; Close it CloseFile fileBank ; Write back the results! For t = 1 To 50 Print PeekByte (bnkTest,t) Next |