-
The Yukon was so big, this felt like another border crossing!
-
Raimond waved us over our very first night in British Columbia. We spent the night in his RV out of the snow and listened to his many stories from being a olympian and documentary star in Latvia.
-
The remote Stewart-Cassiar highway
-
-
Brady and Diana pulled over one night to ask us if we wanted to find a place to camp together.
-
-
Frosty nights in British Columbia
-
Fun night with new friends!
-
Beautiful BC
-
-
A lady pulled over her car on the road and told us that she was leaving town but to camp in her property up the road. So glad we did!   As one of the elder in the Tahlan band, he knew all about traditional medicine and showed us how to use some of the local plants and trees for healing wounds and minor sicknesses.
-
At least it's a black bear this time...
-
-
Stow storm ahead! Luckily we stopped at a house in Iskut for help and met Merrilu and Dave. They let us stay a night in their spare cabin (which turned into 3) when the snow hit. We spent most of the time in the house with their wonderful family singing songs and talking about life. We later made the connection that they were the parents of our friend Kory who took us in a week earlier in the Yukon!
-
jamming
-
Love it
-
4 wheeling in the snow
-
-
Bear ahead
-
-
Fire sky
-
wow!
-
We caught up with Fall again at the end of the Stewart-Cassiar highway
-
-
-
-
The hidden gem of Smithers
-
We stayed with our second Warm Showers host, Kirsteen and Andy in Smithers
-
They took us hiking the next day
-
Beautiful view and nice to work some other muscles.
-
-
-
Lunch break fun
-
-
bummer
-
What a welcome sign!!
-
John and Cheryl were welcoming, generous hosts who have a love for the bikelife and life in general. So glad we met them.
-
Picking apples at Cheryl's
-
saying our goodbyes with John
-
-
A cafe with hundreds of pigs... reminds me of my childhood
-
Dee Jay and Kerry were our hero Warm Showers hosts in Houston. With a cramped up leg and two failed attempts at getting back on the bike, they encouraged us to stay as long as we needed until my leg was healed. We spent 9 days of long talks over delicious meals, cheering on the packers and hearing stories of their many bicycle touring adventures. We also ate many many of Dee Jay's world famous cookies.
-
They were so thoughtful! They'd leave out recipes and supplies to try smoothies and different foods.
-
I still dream of those cookies...
-
Back on the road healthy and rested!
-
I love hospitality
-
-
We spent the Canadian Election with Katie, who after 32 years immigrating form Ireland, was able to vote for the first time!
-
So much cheese
-
The mud hill that took us hours to get through
-
Another broken spoke... a couple flat tires. A day in the life.
-
We didn't make it very far after miles of the mud hill. Luckily Lois and Ed spotted us and invited us in for dinner.
-
Our angel, Michael, in Williams Lake that gave us a place to stay when we ran out of ideas.
-
Closing in on Vancouver
-
A fun road to ride.
 They said they were jealous that we were just starting :)
-
Squamish.
-
Coming back to rock climb that some day
-
Vancouver in sight!
-
There it is. A milestone.
-
Back to Fall again
-
Margo and Chris were the best hosts to us in Vancouver. They showed us around the city, fed us, and when Gordon had visa issues, they took him in for another 10 days while he was at the mercy of the consulate (while I was dealing with a stolen bike in Washington)
-
Helping us with our front racks
-
-
-
Margo and Chris rode with us 20 km out of the city saving us a ton of time!
-
Another border crossing!


We provide extracted data sets from Web observations in machine readable means e.g. JSON. These data sets may be used for further analysis or visualisations in order to give a deeper understanding.
The abundance of Web data is a big challenge and makes it rather difficult to mine, tranform, analyse, compare and interpret useful information in a meaningful way. Our projects aim to understand activities on the Web through research, analysis and visualisation in real-time.
Here we provide a list of our academic publications. At the moment we have three academic papers in our pipeline which are based on three finished projects.
The field of Web observations is an interdisciplinary research topic. Links to similar projects or related work will be listed here.
Following Data Sets are available on our GitHub repository:


| fkSegments reference pages |
seg=SEG_FILTER(segments,events) seg=SEG_FILTER(segments,events,nmin) seg=SEG_FILTER(segments,events,nmin,nmax) [seg,i]=SEG_FILTER(...)
seg=SEG_FILTER(segments,events) returns all segments that contain at least one event.
seg=SEG_FILTER(segments,events,nmin) returns all segments that contains at least nmin events.
seg=SEG_FILTER(segments,events,nmin,nmax) returns all segments that contains at least nmin and at most nmax events.
[seg,i]=SEG_FILTER(...) also returns the indices of the returned segments in the original segments list. I.e. seg=segments(i,:).
| seg_excl | Toolbox page | seg_filterlen |


{% extends "templates/base.html" %} {% block script %} {% endblock %} {% block main %}
Classless Inter-Domain Routing (CIDR) is a method for allocating IP addresses and routing Internet Protocol packets. The Internet Engineering Task Force introduced CIDR in 1993 to replace the previous addressing architecture of classful network design in the Internet. Its goal was to slow the growth of routing tables on routers across the Internet, and to help slow the rapid exhaustion of IPv4 addresses.
CIDR encompasses several concepts. It is based on the variable-length subnet masking (VLSM) technique with effective qualities of specifying arbitrary-length prefixes. CIDR introduced a new method of representation for IP addresses, now commonly known as CIDR notation, in which an address or routing prefix is written with a suffix indicating the number of bits of the prefix, such as <IP_ADDRESS>/24 for IPv4, and 2001:db8::/32 for IPv6. CIDR introduced an administrative process of allocating address blocks to organizations based on their actual and short-term projected needs. The aggregation of multiple contiguous prefixes resulted in supernets in the larger Internet, which whenever possible are advertised as aggregates, thus reducing the number of entries in the global routing table.
Retrieved from "https://en.wikipedia.org/w/index.php?title=Classless_Inter-Domain_Routing&oldid=751720659"


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|
Boost Sorting Algorithm Library
Header <boost/algorithm/sorting/integer_sort.hpp>
|
Contents
- Introduction
- Functions
-
- integer_sort
- Examples
- Constants
Introduction
integer_sort is a fast templated in-place hybrid radix/comparison algorithm,
which in testing tends to be roughly 50% to 2X faster than std::sort for large tests (>=100kB).
Worst-case performance is O(N * (lg(range)/s + s)), so integer_sort is asymptotically
faster than pure comparison-based algorithms.
s is MAX_SPLITS, which defaults to 11, so its worst-case with default settings for 32-bit integers is
O(N * ((32/11) slow radix-based iterations + 11 fast comparison-based iterations).
Some performance plots of runtime vs. n and lg(range) are provided below:
Windows/x86 Performance Graphs
OSX/G4 Performance Graphs
Functions
integer_sort
template <class RandomAccessIter>
inline void integer_sort(RandomAccessIter first, RandomAccessIter last);
template <class RandomAccessIter, class Right_shift, class Compare>
inline void integer_sort(RandomAccessIter first, RandomAccessIter last,
Right_shift shift, Compare comp);
template <class RandomAccessIter, class Right_shift>
inline void integer_sort(RandomAccessIter first, RandomAccessIter last,
Right_shift shift);
- Requires:
For the first version, the one that takes two arguments:
-
[first, last) is a valid range.
-
RandomAccessIterator is a Random Access Iterator.
-
RandomAccessIterator is mutable.
-
RandomAccessIterator's value type is LessThan Comparable.
-
RandomAccessIterator's value type supports the >> operator,
which returns an integer data type rightshifted a specified number of bits.
For the second version, the one that takes four arguments:
-
[first, last) is a valid range.
-
RandomAccessIterator is a Random Access Iterator.
-
RandomAccessIterator is mutable.
-
Right_shift returns an integer data type that compares with < such that
Right_shift(a, p) < Right_shift(b, p) -> Compare(a, b).
-
Right_shift(a, p) == (Right_shift(a, 0) >> p);
-
Right_shift(a, 0) == Right_shift(b, 0)
-> !Compare(a, b) && !Compare(b, a);
-
Compare provides a Strict Weak Ordering.
-
RandomAccessIterator's value type is convertible to
Compare's argument type and Right_shift's first argument type.
For the third version, the one that takes three arguments:
-
[first, last) is a valid range.
-
RandomAccessIterator is a Random Access Iterator.
-
RandomAccessIterator is mutable.
-
Right_shift returns an integer data type that compares with < such that
Right_shift(a, p) < Right_shift(b, p) -> a < b.
-
Right_shift(a, p) == (Right_shift(a, 0) >> p);
-
Right_shift(a, 0) == Right_shift(b, 0) -> !(a < b) && !(b < a);
-
RandomAccessIterator's value type is LessThan Comparable.
-
RandomAccessIterator's value type is convertible to
Right_shift's first argument type.
- Postconditions: The elements in the range [first, last) are sorted in ascending order.
- Complexity:
The lesser of comparisons and operations worst-case,
where N is last - first, K is the log of the range in bits
(32 for 32-bit integers using their full range), and S is a constant called
MAX_SPLITS, defaulting to 11.
- Rationale: This provides a general-case integer sorting algorithm with better
worst-case and average-case performance than std::sort.
Examples
Key plus data sorting
Sorting in reverse order
Sorting with rightshift functor
vector<int> vec;
vec.push_back(1);
vec.push_back(23);
vec.push_back(13);
integer_sort(vec.begin(), vec.end());
//The sorted vector contains "1 13 23"
Reverse order:
struct negrightshift {
int operator()(const int &x, const unsigned offset) { return -(x >> offset); }
};
integer_sort(vec.begin(), vec.end(), negrightshift(), std::greater<int>());
//The sorted vector contains "23 13 1"
Key and Data:
struct data_type {
int key;
char data[16];
};
struct lessthan {
bool operator()(const data_type &x, const data_type &y) const { return x.key < y.key; }
};
struct rightshift {
int operator()(const data_type &x, const unsigned offset) { return x.key >> offset; }
};
vector<data_type> datavec;
integer_sort(datavec.begin(), datavec.end(), rightshift(), lessthan());
Revised
04
December, 2006
Copyright © 2009 Steven Ross
Distributed under the Boost Software License, Version 1.0. (See
accompanying file LICENSE_1_0.txt or
copy at http://www.boost.org/LICENSE_1_0.txt)


An object representing the last exception
A flag that is true until the state knows that a user is either logged in or not
The user profile as decoded from the ID token after authentication
Generated using TypeDoc
An object representing the last exception


WITNESS LIST Economic Development Committee October 6, 1998-10:30A Unemployment Insurance and NAFTA On: Penn, Gary P. (TWC) Sheridan, Mike (TWC)


Summertime is of course the time for arts festivals, and here at Hooting Yard, the famous Biennale rivals Venice for what Mrs Gubbins has called “cultural clout”. Highlights include:
A one-man show by Tad Wensleydale, in which the great child Method actor will essay a number of parts, including Agamemnon, Thomas a Becket, both Jack Hulbert and Cicely Courtneidge, Christopher Columbus, Christopher Plummer, Clive Bunker, the one-time drummer with Jethro Tull, late lamented astronomer Carl Sagan and French author Françoise Sagan (in an excerpt from Beerpint's classic A Tale Of Two Sagans), Yoko Ono, Ayn Rand and a ferocious giant invisible hamster.
The first showing in two decades of Globb's triptych The Shroud Of Hengist.
Enrico Fubby & His Performing Tea-Strainers.
Morris dancing, balaclava wearing, pond draining, skipping, gamboling, frolicking, mucking about, and pointing warily at birds.
Rufus Hinge reads from his classic A Little Book Of Bus Tickets.
All of these events, and more, taking place during Rainfall Awareness Week.
Please note that, as its name indicates, the Hooting Yard Biennale takes place every two years, and this is the other year, apparently.


CS2 Assignment 6: Multithreading and concurrency
Due Tuesday, February 17, 2015 at 17:00 PST
Introduction
This is the CS2 assignment on multithreading and concurrency. This assignment consists of a debugging exercise, a warm-up exercise, and a practical application exercise.
When finished, please enclose your submission as a ZIP file named cs2week6-[NAME].zip or a tar.gz file named cs2week6-[NAME].tar.gz, and upload it to the Week 6 assignment module on Moodle.
Assignment Background
The Dining Philosophers problem
A simple and thorough problem statement for the dining philosophers is quoted here from the Wikipedia article.
Five silent philosophers sit at a table around a bowl of spaghetti. A fork is placed between each pair of adjacent philosophers.
Each philosopher must alternately think and eat. However, a philosopher can only eat spaghetti when he has both left and right forks. Each fork can be held by only one philosopher and so a philosopher can use the fork only if it's not being used by another philosopher. After he finishes eating, he needs to put down both forks so they become available to others. A philosopher can grab the fork on his right or the one on his left as they become available, but can't start eating before getting both of them.
Eating is not limited by the amount of spaghetti left: assume an infinite supply.
The problem is how to design a discipline of behavior (a concurrent algorithm) such that each philosopher won't starve; i.e., can forever continue to alternate between eating and thinking assuming that any philosopher cannot know when others may want to eat or think.
Depending on the algorithm, the system may experience deadlock (a state from which no progress can be made) or not. Any valid solution will allow all the philosophers to eat, though that may only occur after an arbitrarily long time. We may want to prevent starvation, which could occur if, for example, one philosopher gets to eat once for every five times the others do (we assume that the philosophers are identical and require the same amount of spaghetti to function). We will explore a few scenarios in this assignment.
The dining philosophers problem is obviously an abstract problem, but it does have practical applications. You could replace the forks by any shared resource — hard drives, printers, etc. — and the philosophers could be replaced by any processes competing for those resources.
What is raytracing?
Some tasks are prohibitively slow even when implemented in a compiled language like C++; one example is raytracing, and a common solution to this problem is multithreading.
We will not be asking you to write a raytracer in this assignment, but you should understand how the process works in general. Please note that the images below are shamelessly taken from Ray Tracing: Graphics for the Masses. How will we represent the real world in a graphics-friendly way? One way is to define a single point for an "eye" (the viewer) and a plane surface for the viewport (what you see on your screen). Then a pixel on the viewport is colored according to what a ray from the eye through that viewport pixel would see. In the "world," we define objects (spheres, planes, etc.) and lights (which illuminate the objects but cannot be seen themselves).
The natural question to ask now is, how do we know what color that pixel should be at all? Enter raytracing. A naive approach to this problem would be to define every possible ray extending from every light, check whether it intersects an object, and, if it does, check if the reflection will hit the viewport. This is a very bad idea! All the rays that didn't intersect an object or the viewport will be deleted, so there was no point in calculating them anyway. A scheme like this is visualized in the figure below. See all the wasted rays?
Clearly, this is not the best way to proceed. What if we work the problem backwards? Trace every ray from the eye through the viewport; if a ray intersects an object, check to see if light would illuminate that point and, if so, color the viewport accordingly. All of those rays must intersect the viewport, which means much less waste (compare the image below with the previous one). This should give you a basic idea of how the provided raytracer works. If you're more curious you can look at Cornell's Raytracing Basics.
For a 600x800 pixel image (the size you will be using), you must trace a minimum of 480,000 rays from the eye to the viewport, not to mention determining whether light rays will illuminate a particular point (for N lights, you would do this N times for every ray that intersects an object). That's a lot of computation, and we can improve speed by taking advantage of multithreading.
Multithreading can be used to break up a process so that independent parts of it can execute at the same time; in the best case scenario, if you have two threads executing at the same time, you could improve speed by a factor of two. You will see in this assignment that raytracing can be made significantly faster by running multiple threads at once.
Prerequisites
- g++ 4.6.x+
- libsdl1.2-dev
- libsdl-gfx1.2-dev
- libxml2-dev
- libncurses5-dev
Assignment (20 points)
For this assignment, you will demonstrate your debugging skills, solve the dining philosophers problem, parallelize a provided singlethreaded raytracer.
Part 0: Debugging
Part 1: Dining Philosophers
The full problem statement is given in the Assignment Background above. These objectives are to be completed in the philosophers directory.You will be working with three main C++ classes: Fork, Philosopher, and TalkingPhilosopher. Some of these are incomplete, and you will be asked to fill in specific parts to demonstrate two different solutions to the problem. The code that spawns each philosopher in a new thread and calls the correct function to determine his behavior is provided for you. We also provide, in Thread.h, classes Thread, Mutex, and Semaphore for you to use.
To make your task easier, we have provided a simple visualizer for the philsophers-forks system. An example of the output is shown below. Forks that are unclaimed will appear between the philosophers; claimed forks appear under the philosopher who has them.  Remember that the system wraps around at the ends!
One way to prevent deadlock is to limit the number of philosophers that can sit at the table at any one time, which limits the number that are competing for forks. We'll call this solution waiter, since it is as if the philosophers must ask a waiter for permission to sit down.
In October 1984, K. M. Chandy and J. Misra published a paper in ACM Transactions on Programming Languages and Systems (volume 6, number 4, pages 632-646) describing their own solution to this problem. It can be extended to an arbitrary number of agents (philosophers) and resources (forks), but it breaks the condition that the philosophers cannot speak to each other; it also prevents starvation. Again, the Wikipedia description is quite thorough, so I will quote it here:
- For every pair of philosophers contending for a resource, create a fork and give it to the philosopher with the lower ID. Each fork can either be dirty or clean. Initally, all the forks are dirty. [This part has been done for you.]
- When a philosopher wants to use a set of resources (i.e. eat), he must obtain the forks from his contending neighbors. For all such forks he does not have, he sends a request message.
- When a philosopher with a fork receives a request message, he keeps the fork if it is clean, but gives it up when it is dirty. If he sends the fork over, he cleans the fork before doing so.
- After a philosopher is done eating, all his forks become dirty. If another philosopher had previously requested one of the forks, he cleans the fork and sends it.
Part 2: Raytracing
You should familiarize yourself with the provided raytracer framework in the raytracer directory. The following classes may be particularly important.
- Entity: A base class for world objects, which determines all the functions such an object must have. The only Entity that is currently defined is the Sphere. Relevant files are src/Entity.h, src/Sphere.h, and src/Sphere.cpp.
- Light: A Light describes a virtual light in world space. Remember that lights cannot be seen themselves, but their effects can. The only Light that is currently defined is the PointLight. Relevant files are src/Light.h, src/PointLight.h, and src/PointLight.cpp.
- Ray: Defines a geometric ray with an origin (a Vertex) and a displacement (also a Vertex). Thus, the endpoint of a Ray is just the origin plus the displacement. Relevant files are src/Ray.cpp, Ray.h, and src/structs.cpp.
Other classes may generally be treated as black boxes, and you will find full documentation when you generate the Doxygen. You will be using the RaytracerSinglethreaded::run() function as a guideline to write the RaytracerMultithreaded::run() function. You can view the raytracer output by running bin/raytracer at a terminal prompt, with the appropriate option for single- or multi-threaded.
Helpful hints
You cannot call a member function from a thread directly; if this is something you would like to do, you will need to wrap it in a non-class function first, like this:
class Foo { Foo() { } ~Foo() { } void f() { /* Do something interesting here. */ } }; void *f_wrapper(void *arg) { Foo *fptr = (Foo *) arg; fptr->f(); } Foo *f = new Foo(); Thread *t = new Thread(); t->run(f_wrapper, (void *) f);
The overhead associated with creating a thread is high, so you should try to create as few threads as possible and give them as much to do as possible. You will need at least a dual-core processor to observe the increased frames-per-second rate from multithreading.
The Makefile provided has a callgrind target that produces a file which you can view with kcachegrind if you would like. It will tell you how many times each function was called, how long it took to run, who called it, etc. If your code is unreasonably slow, this is a good debugging tool. However, if you use this Makefile target, you will need to make clean and make raytracer afterwards to revert to the normal behavior.


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--- title: OpenTrack layout: front permalink: / tags: home ---
Making athletics go faster.
Entries for track and field, cross country, road and relays. By individuals or teams.
Manage races the same way as top officials, using a handful of mobile devices.
Publish your results. Validated. Real time. Syndicated. Searchable. All formats and devices.
Athletes want to run, jump and throw. Yet the sport is limited by a number of volunteers doing a lot of manual work. They spend far too much time moving around facts and checking them - entries, start lists, membership info. Let's reduce this burden and bring athletics into the 21st century, using our easy-to-implement and easy-to-use race management system. Let's make everything go faster!
Athletes will enjoy the benefits of our service with easier entries into races, secure online payments and instant results on their mobile devices.
Building the open reference data to get everyone talking: organisations, clubs, venues, courses
Defining standard formas for interchange of entries, start lists, results and rankings
If we start to publish data and standards, other people can build on it


MIGRATION
Copyright (c) ? Greg van Patten
The game is played on a NxN board, say 8x8, with the following setup.
- MOVE - On each turn, each player moves one stone forward (Black moves north, White moves east) to an empty cell.
- PASS - A player can only pass if there is no move option.
- GOAL - (Patten gives 4 possible goals, I choose one) The first player to pass, loses.
Another possible goals proposed by Greg van Patten, are:
- Try to force your opponent to pass more times than yourself. The game ends when both players pass on consecutive turns.
- Try to give yourself more forced passes than your opponent. The game ends when both players pass on consecutive turns.
- The first player to pass, wins.
An example If Black moves the e3 stone to cell [1], White can only move to d3, and then Black moves to e3, stalemating White and thus, winning.
For more information about Greg van Patten work can be found at his own site.


Here are some examples to get used to the syntax and understand how the system works
# Identity coh id (x : *) : x -> x # Composition coh comp (x : *) (y : *) (f : x -> y) (z : *) (g : y -> z) : x -> zRedundant arguments must be kept implicit when using previously defined coherence
# Left unit coh unit-l (x : *) (y : *) (f : x -> y) : comp (id x) f -> f # instead of "comp x x (id x) y f", one only writes "comp (id x) f" # Right unit coh unit-r (x : *) (y : *) (f : x -> y) : comp f (id y) -> f # Unitor coh unit-lr (x : *) : unit-l (id x) -> unit-r (id x) # Associativity coh assoc (x : *) (y : *) (f : x -> y) (z : *) (g : y -> z) (w : *) (h : z -> w) : comp (comp f g) h -> comp f (comp g h)The system also supports terms that are not immediately coherence
# Identity over an identity let id2 (x : *) = id (id x) # Square of an endomorphism let sq (x : *) (f : x -> x) = comp f fOperations are polymorphic with respect to the type of object
# 2-composition let comp2 (x : *) (y : *) (f : x -> y) (f' : x -> y) (a : f -> f') (f'' : x -> y) (b : f' -> f'') = comp a b ## Even though a and b are 2-cells, one can still use comp to compose like the as usual 1-cellsMore examples are available on my GitHub project page


Vandoorne: "Alonso always got what he wanted at McLaren"
by Nicolás Quarles van UffordFormer McLaren driver Stoffel Vandoorne has revealed his then-teammate Fernando Alonso was always in full control at the Woking-based team and "got what he wanted", as the Belgian will start the new Formula E season this weekend.
The 2015 GP2 champion did a stint in Super Formula before substituting in at McLaren for the 2016 Bahrain Grand Prix for the injured Alonso. He out-qualified and our-traced Jenson Button in the other McLaren as he finished 10th, making him the first reserve driver to score points on his debut since Sebastian Vettel.
The talent got given a seat for 2017 next to Alonso but never lived up to the hype around him when he came into the sport. He competed in two full seasons and showed flashes of his undeniable talent, but never matched his Spanish teammate.
In a recent interview, the 27-year-old reflected on his time in Formula 1 as he now gears up for his second season in Formula E.
"I never had problems with him [Alonso], but he always got what he wanted," he revealed to Belgian news outlet Sport/Voetbalmagazine.
"There were always two or three people higher up at McLaren who made sure everything went the way Alonso wanted. The team gave him all of their support and power. Every driver would profit from the extra parts to perform better than his teammate ."
Vandoorne famously never beat Alonso in 2018 in qualifying and in races which they both finished, but the Spaniard always praised Vandoorne and insisted the Belgian was the quickest teammate he's had. Vandoorne explains why.
"On paper I never finished ahead of Alonso, but I got closest to him out of all his teammates, right behind him even. McLaren never told me directly to not beat Fernando, but they often asked me to let him pass during races. They almost always did."
Talking about F1 as a whole, Vandoorne clearly isn't impressed by the sport's ever-present politics, although he does concede it still is the biggest championship in motorsport.
"It's a bit of a fake world where everyone gets along but put their own interests first," he continued.
"In Formula E, Le Mans and WEC you find pure racing. You really go there to race, not for politics.
"Formula E is just below it [Formula 1 as the biggest championship]. It's one of the most competitive classes I've driven in. A lot of drivers have F1 experience and others have the pedigree which could get them into F1."


|
real_time_tools
|
This class allows you to spawn thread. More...
#include <thread.hpp>
Public Member Functions | |
| RealTimeThread () | |
| Construct a new ThreadInfo object. | |
| RealTimeThread (const real_time_tools::RealTimeThread &other)=delete | |
| We do not allow copies of this object. | |
| ~RealTimeThread () | |
| Destroy the RealTimeThread object. | |
| int | create_realtime_thread (void *(*thread_function)(void *), void *args=nullptr) |
| create_realtime_thread spawns a real time thread if the OS allows it. More... | |
| int | join () |
| join join the real time thread More... | |
| void | block_memory () |
| block_memory block the current and futur memory pages. More... | |
Public Attributes | |
| RealTimeThreadParameters | parameters_ |
| Paramter of the real time thread. | |
This class allows you to spawn thread.
Its parameter are defined above.
| void real_time_tools::RealTimeThread::block_memory | ( | ) |
block_memory block the current and futur memory pages.
see https://wiki.linuxfoundation.org/realtime/documentation/howto/applications/memory#memory-locking for further explanation.
| int real_time_tools::RealTimeThread::create_realtime_thread | ( | void *(*)(void *) | thread_function, |
| void * | args = nullptr |
||
| ) |
create_realtime_thread spawns a real time thread if the OS allows it.
| [in] | thread_function | the executing function for the thread. |
| [in] | args | arguments to be passed to the thread. |
| int real_time_tools::RealTimeThread::join | ( | ) |
join join the real time thread


Catherine supported by female companions, possibly Lisa.
Il Sodoma [Public domain]
Lisa married Catherine’s brother, Bartolomeo di Benincasa, and after his death during a plague outbreak in 1374, joined Catherine’s companion group. In the surviving letters, none are addressed to Lisa specifically, leading scholars to believe she was a constant companion to Catherine due to her appearance in numerous letters Catherine wrote to others. Lisa joined the Mantellate women but is unclear when, Suzanne Noffke makes no clear claims about her status but Thomas Luongo writes, “Lapa and Lisa joined the mantellate, apparently at the same time since they are listed together in the membership list.” but then continues in his footnote that the list started in 1352 and had no extension dates built in.1 She was a disciple of Catherine and followed her teachings. Lisa appears numerous times in letters and hagiographical stories about Catherine. Raymond of Capua often listed Lisa as one of the trustworthy first hand account sources on Catherine’s life, “I was told, then, by her mother Lapa, her sister-in-law Lisa, her first confessor Fra Tommaso, and many others who frequented the house at the time..”.2


Rallies in EUR/JPY are expected to struggle in the 121.34/80 area – Commerzbank
by Pablo PiovanoOccasional bullish attempts in EUR/JPY are seen meeting a tough hurdle in the 121.34/80 band, in opinion of Karen Jones, Team Head FICC Technical Analysis Research at Commerzbank.
Key Quotes
“EUR/JPY is seeing a decent bounce from the 55 day ma, this is located at 119.47 currently. Rallies should find tougher resistance at 121.34/80. This is the location of the 200 day ma, the 50% Fibonacci retracement and the late July high. Currently the intraday Elliott wave counts are suggesting scope to retest this resistance, but if seen, it should again hold the topside”.
“While capped here, attention remains on the 118.72 uptrend. This should hold the initial test, however longer term the risk has increased for a break lower. Failure here will target the 117.09 October low ahead of the 115.87 September low”.


The tclip function simply replaces all values in a vector below a certain threshold with 0 and retains all values above the threshold.
Click here to view our Threshold Clipping M-File.
Click here to download our Threshold Clipping M-File.
* Note: the ".bin" extension on the m-file does NOT indicate a
binary file type.
It only tricks your browser into downloading
the file instead of viewing it.


Keian BartonGraduate Software Engineer |
I'm a Graduate Software Engineer with a high first-class degree in Mathematics and 1 year’s experience in the data analytics industry
I love learning new coding languages and technologies! I have experience with the following
Feel free to drop me a mail at<EMAIL_ADDRESS>or a message on my LinkedIn profile
Answer 1
Answer 2
Answer 3
Answer 4
Answer 5


RDP vice president says the party is alive and not losing support
As political parties wrap up their campaigns in the build-up to elections next week, the Rally for Democracy and Progress' (RDP) vice president Kennedy Shekupakela says the party remains alive, arguing it is not losing support as widely perceived.
RDP held its Khomas Star Rally at Ombili in Windhoek today.


All curl_easy_getinfo options listed
All existing options for curl_easy_getinfo in alphabetical order.
| CURLINFO_ACTIVESOCKET | get the active socket |
| CURLINFO_APPCONNECT_TIME | get the time until the SSL/SSH handshake is completed |
| CURLINFO_APPCONNECT_TIME_T | get the time until the SSL/SSH handshake is completed |
| CURLINFO_CERTINFO | get the TLS certificate chain |
| CURLINFO_CONDITION_UNMET | get info on unmet time conditional |
| CURLINFO_CONNECT_TIME | get the time until connect |
| CURLINFO_CONNECT_TIME_T | get the time until connect |
| CURLINFO_CONTENT_LENGTH_DOWNLOAD | get content-length of download |
| CURLINFO_CONTENT_LENGTH_DOWNLOAD_T | get content-length of download |
| CURLINFO_CONTENT_LENGTH_UPLOAD | get the specified size of the upload |
| CURLINFO_CONTENT_LENGTH_UPLOAD_T | get the specified size of the upload |
| CURLINFO_CONTENT_TYPE | get Content-Type |
| CURLINFO_COOKIELIST | get all known cookies |
| CURLINFO_EFFECTIVE_URL | get the last used URL |
| CURLINFO_FILETIME | get the remote time of the retrieved document |
| CURLINFO_FILETIME_T | get the remote time of the retrieved document |
| CURLINFO_FTP_ENTRY_PATH | get entry path in FTP server |
| CURLINFO_HEADER_SIZE | get size of retrieved headers |
| CURLINFO_HTTPAUTH_AVAIL | get available HTTP authentication methods |
| CURLINFO_HTTP_CONNECTCODE | get the CONNECT response code |
| CURLINFO_HTTP_VERSION | get the http version used in the connection |
| CURLINFO_LASTSOCKET | get the last socket used |
| CURLINFO_LOCAL_IP | get local IP address of last connection |
| CURLINFO_LOCAL_PORT | get the latest local port number |
| CURLINFO_NAMELOOKUP_TIME | get the name lookup time |
| CURLINFO_NAMELOOKUP_TIME_T | get the name lookup time in microseconds |
| CURLINFO_NUM_CONNECTS | get number of created connections |
| CURLINFO_OS_ERRNO | get errno number from last connect failure |
| CURLINFO_PRETRANSFER_TIME | get the time until the file transfer start |
| CURLINFO_PRETRANSFER_TIME_T | get the time until the file transfer start |
| CURLINFO_PRIMARY_IP | get IP address of last connection |
| CURLINFO_PRIMARY_PORT | get the latest destination port number |
| CURLINFO_PRIVATE | get the private pointer |
| CURLINFO_PROTOCOL | get the protocol used in the connection |
| CURLINFO_PROXYAUTH_AVAIL | get available HTTP proxy authentication methods |
| CURLINFO_PROXY_SSL_VERIFYRESULT | get the result of the proxy certificate verification |
| CURLINFO_REDIRECT_COUNT | get the number of redirects |
| CURLINFO_REDIRECT_TIME | get the time for all redirection steps |
| CURLINFO_REDIRECT_TIME_T | get the time for all redirection steps |
| CURLINFO_REDIRECT_URL | get the URL a redirect would go to |
| CURLINFO_REQUEST_SIZE | get size of sent request |
| CURLINFO_RESPONSE_CODE | get the last response code |
| CURLINFO_RTSP_CLIENT_CSEQ | get the next RTSP client CSeq |
| CURLINFO_RTSP_CSEQ_RECV | get the recently received CSeq |
| CURLINFO_RTSP_SERVER_CSEQ | get the next RTSP server CSeq |
| CURLINFO_RTSP_SESSION_ID | get RTSP session ID |
| CURLINFO_SCHEME | get the URL scheme (sometimes called protocol) used in the connection |
| CURLINFO_SIZE_DOWNLOAD | get the number of downloaded bytes |
| CURLINFO_SIZE_DOWNLOAD_T | get the number of downloaded bytes |
| CURLINFO_SIZE_UPLOAD | get the number of uploaded bytes |
| CURLINFO_SIZE_UPLOAD_T | get the number of uploaded bytes |
| CURLINFO_SPEED_DOWNLOAD | get download speed |
| CURLINFO_SPEED_DOWNLOAD_T | get download speed |
| CURLINFO_SPEED_UPLOAD | get upload speed |
| CURLINFO_SPEED_UPLOAD_T | get upload speed |
| CURLINFO_SSL_ENGINES | get an slist of OpenSSL crypto-engines |
| CURLINFO_SSL_VERIFYRESULT | get the result of the certificate verification |
| CURLINFO_STARTTRANSFER_TIME | get the time until the first byte is received |
| CURLINFO_STARTTRANSFER_TIME_T | get the time until the first byte is received |
| CURLINFO_TLS_SESSION | get TLS session info |
| CURLINFO_TLS_SSL_PTR | |
| CURLINFO_TOTAL_TIME | get total time of previous transfer |
| CURLINFO_TOTAL_TIME_T | get total time of previous transfer in microseconds |


If you're a current student and have ended up here somehow, I would suggest looking for more updated materials, as I have not been at Cal since Spring 2018. However, I have left this up in case anyone still finds use from these materials.
To use these notebooks, you'll need to grab the files from Github. I'd suggest forking the repo, but you can individually download each file using this button(make sure you download every file that's in the folder for the week you're interested in if you do). For both methods, I think you need to install Github for desktop. Then, you can upload these files to datahub (ideally in a new folder). If you don't have access to datahub, you'll have to do this through a local installation of Jupyter. I'd recommend using Anaconda for this. Let me know if you run into any issues getting these files. Getting started with Github,
No longer at Cal and thus am no longer teaching this :(


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welcome to myMaths Cheating tool
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You can now book a flight on United’s new ‘Star Wars’-themed Boeing 737 plane — here’s what it’s like inside
by Ben Mack- United has launched a special new “Star Wars”-themed Boeing 737-800 plane.
- The plane was launched to celebrate the upcoming release of “The Rise of Skywalker.”
- Decked out in dueling Resistance and First Order livery, the plane is currently flying across the US, Canada, Central America, and the Caribbean.
- Passengers can book a flight by looking up the aircraft’s tail number, N36272.
- United also has a whole webpage dedicated to the plane and its “Star Wars” promotions.
- Visit Insider’s homepage for more stories.
Luke Skywalker may have claimed the Millennium Falcon was a “piece of junk” when he first saw it (despite the fact it could, you know, make point-five past lightspeed) – but he probably wouldn’t be saying that about United Airlines’ shiny new Boeing 737-800.
To celebrate the December release of “The Rise of Skywalker” in cinemas (billed as the last film in the nine-film Skywalker saga, of course), the airline has launched a special “Star Wars”-themed plane – and though it can’t travel at lightspeed, it does look pretty spiffy, or at least nothing at all like the heavily-modified ship of a certain scruffy-looking nerf herder (sorry, Han Solo).
The plane made its first flight earlier this month, from Houston to Orlando. Although there were plenty of evil First Order stormtroopers on hand, thankfully no-one was taken away for questioning by Kylo Ren.
Here’s what the plane is like inside.
The Force — er, flight — is strong with the Boeing 737-800’s galactic-themed livery, which revels in the power of the Dark Side on one side…
… And the virtuous Light Side on the other.
The exterior of the plane is full of cool details …
… Though they might be tough to see in the sky without macrobinoculars.
The battle between good and evil also plays out inside the plane, where one side of the aisle has seat rests bearing the symbol of the brave Resistance …
… And the other the wicked First Order.
Even the amenity kits passengers get are “Star Wars”-themed. Passengers can also hear the film series’ iconic soundtrack when they board, and receive a commemorative pin.
Source: People
Cool as the plane is, one must be cautious. You never know when evil stormtroopers might be waiting on board …
… Or at the gate …
… Or simply patrolling airport terminals on the lookout for the Resistance.
Play it cool and you should be able to sneak past them.
You might even be able to find the droids you’re looking for.
Perhaps as a way to scare off the First Order, the plane also stands out on flight-tracking screens.
Instead of a galaxy far, far away, the plane is currently flying across the US, Canada, Central America, and the Caribbean. You can try and book it by looking up its tail number, N36272.
Unlike what many jokingly said of a certain Millennium Falcon, a hunk of junk United’s new plane is not.
Perhaps the only downside is there isn’t a whole fleet of the one-of-a-kind plane …
… But at least it can still fuel our imagination, just like “Star Wars.”
Read more:
Here’s what it was like on board Qantas’ first nonstop, 19-hour flight from London to Sydney


{{unreferenced|date=April 2012}} {{Infobox prepared food | name = Rumali Roti | image = | caption = A stack of Rumali roti prepared in India | alternate_name = | country = Hyderabad Deccan | region = Pakistan and Hyderabad India | creator = | course = | served = | main_ingredient = Atta and maida flour | variations = | calories = | other = }}
Rumali Roti is a thin flatbread popular in India and in Punjab, Pakistan. It is enjoyed with Tandoori dishes. It is a part of the Punjabi cuisine as well. The word rumal means handkerchief in many north Indian languages, and the name rumali roti means handkerchief bread. The name is derived because of its structure like that. In Punjab Pakistan it is also known as Lamboo roti. Lamboo simply means long in the Punjabi language.
This bread is extremely thin and supple, and the fact that it is usually served folded like a handkerchief are the probable sources of the name. During the Mughal period, the roti was used like a cloth to wipe off the excess oil off the hands after the completion of an oil-rich food laden with meat and fat.
The bread is usually made with a combination of whole and white wheat flours (atta and maida respectively) and best cooked on top of (on the convex side of) an inverted Indian griddle (kadhai).
{{Indian bread}} {{Bread}}
{{Reflist}}
{{india-cuisine-stub}} {{bread-stub}} {{Pakistan-cuisine-stub}}


link without selector txti string selector txti querySelector selector txti contrast txti logo txti screenshot txti size large txti video support large video support


IDs are specific and can only be assigned to one element. Classes are less specific and can be assigned to multiple elements. IDs will override any classes associated with an element. It would be best to use classes for most elements and to only use IDs for elements that require different styling to the rest of the webpages.


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References
- Autosignal, Systat Software Inc., http://www.systat.com/products/autosignal/, 2002.
- Bresler, Y. and A. Macovski, “Exact Maximum Likelihood Parameter Estimation of Superimposed Exponential Signals in Noise,” IEEE Transactions on Acoustics, Speech and Signal Processing, vol. 34, pp. 1081-1089, October 1986.
- Chuang, C. W. and D. L. Moffatt, “Natural Resonances of Radar Targets Via Prony’s Method and Target Discrimination,” IEEE Transactions on Aerospace and Electronic Systems, vol. AES-12, no. 5, pp. 583-589, September 1976.
- Hanselman, Duane and Bruce Littlefield, Mastering MATLAB 6: A Comprehensive Tutorial and Reference, Prentice Hall, Englewood Cliffs, 2001.
- Holt, N. John and J. Robyn Antill, “Determining the Number of Terms in a Prony Algorithm Exponential Fit,” Mathematical Biosciences, vol.36, pp. 319-332, 1977.
- Hua, Y. and T. K. Sarkar, “Matrix Pensil Method for Estimating Parameters of Exponentially Damped/Undamped Sinusoids in Noise,” IEEE Transactions on Acoustics, Speech and Signal Processing, vol. 38, pp. 814-824, May 1990.
- Kim, Tae Hee, Gil Hong Jang, Min Su Paek and Jeong Seok Yoo, “Development of 0.5 Mwe Scale DeSOx-DeNOx System Using Pulsed Corona Discharge,” Conference Proceedings, Thirteenth U.S. - Korea Joint Workshop on Energy and Environment, 1999.
- Kailath, T., Linear Systems, Prentice Hall, Englewood Cliffs, 1980.
- Khan, M., M. S. Mackisack, M. R. Osborne and G. K. Smyth, “On the Consistency of Prony’s Method and Related Algorithms,” Journal of Comput. Graph. Statistics, vol. 1, pp. 329-349, 1992.
- Kumaresan, R. and W. R. Tufts, “Estimation the Parameters of Exponentially Damped Sinusoids and Pole-Zero Modeling in Noise,” IEEE Transactions on Acoustics, Speech and Signal Processing, vol. 35, pp. 833-840, February 1987.
- Li, Ye, Ray J. Liu and Javad Razavilar, “A Parameter Estimation Scheme for Damped Sinusoidal Signals Based on Low-Rank Hankel Approximation,” September 1998.
- Marple, S. L., Digital Spectral Analysis with Applications, Prentice Hall, Englewood Cliffs, pp. 303-337, 1987.
- MATLAB Help Notes, version 6.5, release 13, http://www.mathworks.com/support/, June 2002.
- Parks, T. W. and C. S. Burrus, Digital Filter Design, John Wiley & Sons, pp. 226-229, 1987.
- Pierre, J.W., Digital Signal Processing Lecture Notes, University of Wyoming, Spring 2002.
- Porat, B., A Course in Digital Signal Processing, John Wiley & Sons, pp. 461-475, 1997.
- Rahman, M.A. and K. B. Yu, “Total Least Squares approach for Frequency Estimation Using Linear Prediction,” IEEE Transactions on Acoustics, Speech and Signal Processing, vol. 35, pp. 1440-1454, October 1987.
- Sava, H. P. and J. T. E. McDonnell, “Modified Forward-Backward Overdetermined Prony method and Its Application in Modeling Heart Sounds,” IEEE Proceedings on Vision, Image and Signal Processing, vol. 142, no. 6, pp. 375-380, December 1995.
- Scharf, L., Statistical Signal Processing: Detection, Estimation and Time Series Analysis, Addition-Wesley Publishing Company, pp. 484-513, 1991.
- Trudnowski, D. J., J. M. Johnson and J. F. Hauer, “Making Prony Analysis More Accurate Using Multiple Signals,” IEEE Transactions on Power Systems, vol. 14, no. 1, pp. 226-231, February 1999.
- Trudnowski, D. J., “Order Reduction of Large-Scale Linear Oscillatory System Modes,” IEEE Transactions on Power Systems, vol. 9, no. 1, pp. 451-458, February 1994.
- Trudnowski, D. J., J. Hauer and G. Rogers, DSI Tools- Power System Modal Analysis, Application Guide, Pacific Northwest National Laboratory, 1995.
- Wax, M. and T. Kailath, “ Detection of Signals by Information Theoretic Criteria,” IEEE Transactions on Acoustics, Speech and Signal Processing, vol. ASSP-33, no. 2, pp. 387-392, April 1985.
- van Veldhuizen, E. M. and W.R. Rutgers, “Corona Discharges: Fundamentals and Diagnostics”, Invited paper, Proc. Frontiers in Low Temp. Plasma Diagn. IV,Rolduc,Neitherlands,pp.40-49,March 2001.
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Skull and Bonesaka The OrderDepending on whom you talk to, there are anywhere from one to several thousand "secret" organizations with a "secret" agenda to rule the world via a vast conspiracy. The vast majority of these claims would appear, on the face of it, to have as much credence as the notion that the world is flat.  After all, even quite sane people can harbor serious doubts about the lone gunman theory in the Kennedy Assassinations. Watergate appeared to be ridiculous at first glance. The existence of American Concentration Camps is well-documented. Fluoridation is a legitimate topic of scientific debate. The CIA really did dose unsuspecting civilians with LSD as part of their Mind Control program. And the U.S. military really conducted radioactive experiments on civilian medical patients as part of the Atomic Bomb program. So when the conspiratorial mind turns to secret societies, each claim deserves a reasonable examination with an open mind.  While there are centuries worth of rumors to sift through concerning Freemasonry, the Illuminati, the Knights Templar, etc., etc., Skull and Bones is a relatively young organization that only achieved national prominence with the rise of George HW Bush. According to the official story, Skull and Bones was founded on the campus of Yale University in 1832. Skull and Bones was a direct offshoot of a German craze for conspiratorial muck that same year, a social phenomenon which would directly lead to the rise of such groups as the Ordo Templi Orientis and the Golden Dawn, groups which apparently drew on existing Masonic traditions to create a worldview in which ritual magic and deep confusion were considered paths to enlightenment and power. As a student's secret society at Yale, Skull and Bones had access to a pool of great, if impressionable, intellects over the years (as well as a few doofuses who enjoyed fortunate family connections). The known and alleged list of Bonesmen includes (but is not limited to):
As is probably apparent, the list is a lot less impressive than a list of Masonic initiates, just for instance, which includes George Washington, Gen. Douglas McArthur, Teddy Roosevelt, Winston Churchill, Mark Twain, Duke Ellington, J. Edgar Hoover, Benjamin Franklin and Honus Wagner, whose face adorns the world's most valuable baseball card. On the one hand, the lack of truly distinguished personae on the Skull and Bones roster kind of detracts from the paranoia-fueled fear that this conspiracy might end up ruling the world. On the other hand, it's a lot easier to swallow the claim that these underachievers would get caught up in the sort of clunky "mind control cult lite" offered up by Skull and Bones. Certainly, the fact that the Bush dynasty is again running the country begs for some sort of ulterior explanation. And when push comes to shove, of course, being U.S. president is pretty much like ruling the world, at least in the minds of many recent Oval Office occupants. Even a president whose intellectual acumen is the subject of late-night TV comedy monologues is still an amazingly powerful guy. Super-hot-babe journalist Alexandra Robbins wrote a book on Skull and Bones in which she delved into the group's kinky secrets, just like in the movies! She described the group's initiation ritual to CBS News thusly:
There is a devil, a Don Quixote and a Pope who has one foot sheathed in a white monogrammed slipper resting on a stone skull. The initiates are led into the room one at a time. And once an initiate is inside, the Bonesmen shriek at him.  And Don Quixote lifts his sword and taps the Bonesman on his left shoulder and says, 'By order of our order, I dub thee knight of Euloga.'According to Robbins, the Bonesmen take on secret and occultish names such as Magog and Boaz. Robbins claims Magog was the name traditionally given to the member with the most sexual experience, such as (incredibly) Bush Sr. In a telling anecdote related for the Atlantic Monthly, Robbins wrote:
George W. was not assigned a name but invited to choose one. According to one report, nothing came to mind, so he was given the name Temporary, which, it is said, he never bothered to replace; Temporary is how Bush's fellow Bonesmen know him today.Sigh... Bonesmen are selected according to top secret criteria, or who their parents are. As Yale undergraduates, they are first introduced to the group via "the tap," in which a Bonesman walks up behind the student and taps him on the shoulder, asking "Skull and Bones, accept or reject?" The correct answer is "accept."  The latter principle is endlessly reinforced with mind games such as showing new recruits a staged "murder" and ordering them to keep their silence. (Some of these rituals may have been modified with the group's very recent decision, under heavy pressure, to admit women, gays and people of color.) The name "Skull and Bones" came from a claim that the group had the skull of Geronimo in its secret crypt headquarters. After a vigorous protest by Native Americans, the Bonesmen coughed up a skull which turned out not to be Geronimo. Needless to say, this didn't really satisfy anyone, but it was eventually dropped. It's entirely unclear why a club of privileged white males who want to rule the world would even WANT to have the skull of Geronimo in its possession, but I guess that's why they call it a "secret" society.  George W. Bush had much of his so-called business career underwritten by his extremely wealthy Bonesmen colleagues, and he made a lot of money despite the the fact his companies had a tendency to collapse. On the other hand, the secret society doesn't seem to be doing John Kerry a lot of good. From the conspiracy lover's point of view, about the only upside to Skull and Bones is that it's indisputably real. But it's not a good reflection on a top-secret cabal when there is ample and even copious evidence demonstrating its existence and describing its most intimate rituals. Still, if the Bonesmen make for a piss-poor world-dominating conspiracy, the club would at least make a great movie, right? Well, no. Consider rotundly insightful film critic Robert Ebert's take on "The Skulls," a 2000 movie directly based on the group's lore:
I would give a great deal to be able to see "The Skulls" on opening night in New Haven, Conn., in a movie theater full of Yale students, with gales of laughter rolling at the screen. It isn't a comedy, but that won't stop anyone. (...) It's so ludicrous in so many different ways it achieves a kind of forlorn grandeur. It's in a category by itself.Ludicrous? Forlorn grandeur? Sounds like the filmmakers got it just about right...
Timeline
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--- layout: documentation title: CampaignsType ---
| Field Name | Type | Description |
|---|---|---|
| Campaign1..n | CampaignBaseType |
Characterizes a single cyber threat Campaign. This field is implemented through the xsi:type extension mechanism. The default and strongly recommended type is CampaignType in the http://stix.mitre.org/Campaign-1 namespace. This type is defined in the campaign.xsd file or at the URL http://stix.mitre.org/XMLSchema/campaign/1.1.1/campaign.xsd. |


TuteOne Plus Two Chemistry
Decide which system you use Android/ Windows
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Solid States
REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERSolutions
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REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERThe P Block Elements
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REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERHaloalkanes and Haloarenes
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REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERSolid States
REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERSolutions
REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERElectrochemistry
REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERChemical Kinetics
REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERSurface Chemistry
REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERMetallurgy
REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERThe P Block Elements
REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERD and F Block Elements
REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERCoordination Compounds
REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERHaloalkanes and Haloarenes
REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERAlcohols, Phenols and Ethers
REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERAldehydes Ketones and Carboxylic Acids
REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERAmines
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REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERChemistry in Everyday Life
REGULAR CLASS NOTES REVISION CLASS I WANT THIS CHAPTERTuteone Learning Management System (LMS) is virtual campus where you get access your assignments, exams, clarify your doubt, track your progress etc.
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She has lived here with her husband, Rajindar, a retired emerita professor of economics at OU, for decades, and the couple's welcoming nature is more than politeness, it is a familial value they hold dear.
Manjulika's values are so important that she released a book: "Values That Shape Us: Inspirational Stories and Quotes." The collection of tales and sayings details the formative values of dozens of people, many of whom are local to Athens. Manjulika said she hopes the book can serve as a peaceful inspiration to its readers.
For a taste of the Koshal's hospitality and a glimpse into her debut book, one can visit the Little Professor this Thursday from 4 to 7 p.m. for Manjulika's book signing. The Koshals have handmade a quasi-Chex Mix to serve: raisins, rice crispies and chex mixed together with a blend of Indian spices. Manjulika said she made sure to minimize the spice for her Athens guests, and the mix will be served alongside samosas, water and discussions from Manjulika and others featured in the book.
She said the idea for the book came from an experience with a friend battling cancer. Manjulika realized her friend was lonely, so she gifted him a book of something dear to her: quotes.
"One day, I think it was 10 days before he passed away," she said. "He returned me the book and he said, 'This was a great healer. It kept me going."
Manjulika asked him if he thought she, too, should write a book that could help heal others. She said she wanted to document true stories of values, hope and encouragement.
"And he says, 'Of course, sure,'" Manjulika said. "'It will be like a medicine to the people.'"
The day the idea traveled from mind to paper came with the dreary onset of COVID-19. Manjulika and her husband own a winter home in India, which they had been visiting for an intended short while in early 2020. They ended up staying five months.
Manjulika said the home is neighborly, with nearby families always stopping by, helping take care of one anothers' gardens and embracing a communal support system. When COVID-19 grounded all flights out of India, Manjulika began asking these neighbors for stories.
"Most of them had a story, you know?" she said. "So I started collecting."
Two years later, the book was ready for publishing. Once India allowed flights out for American and German citizens in July, the couple was able to fly back to Athens. Once back in the U.S., Manjulika also collected stories from friends, colleagues and strangers here.
"Values That Shape Us: Inspirational Quotes and Stories" is now available in print and hardcopy, a long-awaited cover finally perfected. Manjulika said the cover, an image of blooming lotus flowers and lotus roots separated by a torn piece of paper, took significant time to create. Finding images to use that did not violate copyright was time-consuming, but she said she was set on the lotus flower, something that blooms beautifully, like a value, from its tangled, muddy roots.
She said many family members contributed lessons to the collection, from her 11-year-old grandson to her husband. Rajindar said his chapters often came from his experience as a child during the India-Pakistan partition.
According to "The New Yorker," the partition occurred with the departure of the British in 1947. During this time, the subcontinent was split into two states: Hindu-majority India and Muslim-majority Pakistan. This immediately spurred one of the greatest migrations in human history, with millions of Muslims hurrying to West and East Pakistan (East Pakistan is now known as Bangladesh) and millions more Hindus and Sikhs headed toward India.
Violence followed this migration, particularly along the border as the newly-split nations clashed. Hundreds of thousands of migrants never made it to their destination, stopped by massacres, fires, forced conversions, mass abductions and horrific sexual violence. Partition is remembered as a terrible display of violence to almost unimaginable degrees: infants, for instance, were found roasted on spits– just one example among millions of incomprehensible atrocities. After it slowed just one year later, more than 15 million had been uprooted and between one and two million were dead. One of these 15 million was Rajindar.
"They slept on the platform," Manjulika said. "(They went) to the railway station, everybody, and you think 'OK, we are going to New Delhi.' New Delhi was in India, and they boarded the train and then the train stopped. Why? The next station you cannot go to – everything is on fire. The city is on fire."
Manjulika said the distance her husband covered felt like they were walking to California.
"(We) covered about 200 miles," Rajindar said. "It took three and a half months."
Ranjindar's stories are part of 52 tales collected in the book. One story she took pride in was one of her son, Vipin Koshal, a cardiologist at O'Bleness Hospital.
She recalled a story from his college graduation. Everyone was going to visit Vipin, so he bought 50 pounds of chicken to make Tandoori chicken for all of their guests. On the day of, people flooded into his home without RSVPs. Vipin's roommates were stressed and frustrated, worried how they would feed so many guests.
"All my son said was, 'Hey guys, stop it! The sky has not fallen. We can manage,'" Manjulika said.
The Koshals, Vipin and his roommates went to the store and bought naan and vegetables to make. They successfully fed the group together without anyone knowing there had been a struggle.
"After the whole thing was over and we were sitting, having some coffee or beer, then his roommates asked him, 'Vipin, now tell. Everyone was so panicky and intense. How about you? You were so calm.'" Manjulika said. "He said, 'This, I got from my house. In my house, whatever number of people come, you manage. This characteristic we instilled in him."
Each chapter of the book, only a page or two, tells a similar story. Manjulika said she hopes everyone can read the book and take away the importance of values.
The Koshals said they hope everyone comes to the book signing, which was extended to 7 p.m. from its original 6 p.m. end time to accommodate work schedules. Manjulika will be available to sign copies of the book and will speak on what she hopes people of all ages learn from "Values That Shape Us: Inspirational Stories and Quotes."
"Always get inspired, always try to learn from society," Manjulika said. "Whatever you learn, you think it is good practice. And keep it up, and try to teach others. That is the fundamental thing I learned while writing this book."


Source code for hyperstream.client
# The MIT License (MIT) # Copyright (c) 2014-2017 University of Bristol
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
# OR OTHER DEALINGS IN THE SOFTWARE.
"""
The main hyperstream client connection that is used for storing runtime information.
Note that this is also used by the default database channel, although other database channels (connecting to different
database types) can also be used.
"""
import sys
import logging
import pymongo
from mongoengine import connect, connection
try:
from pymongo.errors import ServerSelectionTimeoutError
except ImportError:
ServerSelectionTimeoutError = None
[docs]class Client(object):
"""
The main mongo client
"""
client = None
db = None
session = None
def __init__(self, server_config, auto_connect=True):
"""
Initialise the client
:param server_config: The server configuration
:param auto_connect: Whether to automatically connect
"""
self.server_config = server_config
if auto_connect:
if ServerSelectionTimeoutError:
try:
self.connect(server_config)
except ServerSelectionTimeoutError as e:
logging.warn(e.message)
sys.exit()
else:
self.connect(server_config)
[docs] def connect(self, server_config):
"""
Connect using the configuration given
:param server_config: The server configuration
"""
if 'connection_string' in server_config:
self.client = pymongo.MongoClient(server_config['connection_string'])
self.db = self.client[server_config['db']]
else:
self.client = pymongo.MongoClient(
server_config['host'],
server_config['port'],
tz_aware=self.get_config_value('tz_aware', True))
self.db = self.client[server_config['db']]
if 'authentication_database' in server_config and server_config['authentication_database']:
self.db.authenticate(server_config['username'], server_config['password'],
source=server_config['authentication_database'])
else:
if 'username' in server_config:
if 'password' in server_config:
self.db.authenticate(server_config['username'], server_config['password'])
else:
self.db.authenticate(server_config['username'])
# Mongo Engine connection
d = dict((k, v) for k, v in server_config.items() if k not in ['modalities', 'summaries'])
if 'authentication_database' in d:
d['authentication_source'] = d['authentication_database']
del d['authentication_database']
self.session = connect(alias="hyperstream", **d)
# TODO: This sets the default connection of mongoengine, but seems to be a bit of a hack
if "default" not in connection._connections:
connection._connections["default"] = connection._connections["hyperstream"]
connection._connection_settings["default"] = connection._connection_settings["hyperstream"]
[docs] def get_config_value(self, key, default=None):
"""
Get a specific value from the configuration
:param key: The of the item
:param default: A default value if not found
:return: The found value or the default
"""
def get_value_safe(d, key, default=None):
return d[key] if key in d else default
return get_value_safe(self.server_config, key, default)


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Grid UnSelectable Row Selection Test
Grid UnSelectable Row extended Selection Test
Grid UnSelectable IndirectSelectColumn Test
Grid Tree UnSelectable Row Test
use dijit button to set selectable of each line


Edited after reply from Robert...
Using the latest emonlib.cpp - the voltage reference gives this when used with the 2560
I haven't run it on the 32U4 yet or the 1280 (as I don't have one of these).
Using this test program I am getting 4752mV instead of 1100mV
See after this program, where I substituted ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
for ADMUX = _BV(REFS0) | _BV(MUX4) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
ADCSRB &= ~_BV(MUX5); (This line is fine as I have run the program with MUX5)
The test program follows...
long readVcc(){
long int result;
#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega328__) || defined (__AVR_ATmega328P__)
ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
#elif defined(__AVR_ATmega32U4__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
ADMUX = _BV(REFS0) | _BV(MUX4) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
ADCSRB &= ~_BV(MUX5); // Without this the function always returns -1 on the ATmega2560 http://openenergymonitor.org/emon/node/2253#comment-11432
#elif defined (__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__)
ADMUX = _BV(MUX5) | _BV(MUX0);
#elif defined (__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
ADMUX = _BV(MUX3) | _BV(MUX2);
#endif
delay(2); // Wait for Vref to settle
ADCSRA |= _BV(ADSC); // Convert
while (bit_is_set(ADCSRA,ADSC));
result = ADCL;
result |= ADCH<<8;
result = 1126400L / result; //1100mV*1024 ADC steps http://openenergymonitor.org/emon/node/1186
return result;
}
void setup()
{
Serial.begin(9600);
}
void loop()
{
Serial.println(readVcc(),DEC);
delay(1000);
}
Serial Monitor data
4752
4772
4752
4752
4752
4752
4752
____________________________________________
Substituting ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
for ADMUX = _BV(REFS0) | _BV(MUX4) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
ADCSRB &= ~_BV(MUX5); // Without this the function always returns -1 on the ATmega2560
gave this data below.
Serial data direct from serial monitor
1102
1108
1104
1105
1104
1101
1107
1107
1106
1106
1106
And here is the serial monitor data after removing ONLY _BV(MUX4) from ADMUX
1101
1103
1106
1106
1105
1103
1105
1105
1107
1106
1103
Re: latest emonlib.cpp voltage measurement
Do I understand you correctly, and do you think the method should read and return the internal voltage reference itself, i.e. 1.1 V ?
If so, I'm afraid you're wrong. The code changes the ADC's reference to the internal band-gap reference, then uses that to measure the voltage of the ADC's normal reference voltage AVcc. It is that voltage that you are reading as 4752 mV.
The band-gap reference is stable to a high degree but the initial value can lie anywhere within the band 1.0 - 1.2 V, thus your 4.752 V is a valid value that is within tolerance for the measurement of a 5 V supply to AVcc.
Re: latest emonlib.cpp voltage measurement
Thanks for clarifying Robert.
Re: latest emonlib.cpp voltage measurement
Perhaps you could help all of us understand how this code works - either give us a detailed description or an in depth reference so that we too can understand the nature of voltage referencing according to bandgap. From what I have read on forums there are not too many who understand the registers and how they work - a good tutorial is needed, perhaps you can help.
Also I say again that this site needs a "notify" check box under each post.
Thanks Robert.
Re: latest emonlib.cpp voltage measurement
Do I understand you correctly, and do you think the method should read and return the internal voltage reference itself, i.e. 1.1 V ? ..... The code changes the ADC's reference to the internal band-gap reference, then uses that to measure the voltage of the ADC's normal reference voltage AVcc.
I don't think that's quite right. If you selected the 1.1V bandgap reference how would you be able to measure AVcc? Everything above ~1.1V would clip at 1023.
What the code actually does is measures the 1.1V against AVcc, and then "back calculates" AVcc from what it sees.
platypus the best reference for all those register accesses is always the Atmel datasheet for your part. Check out the "Input Channel Selections" table in the A/D section. On a 2560 for example, MUX5:0 selects which input pin gets fed to the A/D. But if you set it to 011110 then it doesn't select any input pin, but rather selects the 1.1V bandgap.
Re: latest emonlib.cpp voltage measurement
That's a big ask. It is actually all in the data sheet, but until you've fought that battle a few times, it can be more than a little mysterious. With Glyn & Trystan's permission, I'll put it on my "to do" list. No promises for when, though.
For now what everyone needs to know is readVcc( ) returns the value of AVcc in mV (nominally 3300 or 5000) using the internal band-gap reference. The uncertainty in that measurement could be ±9%. The repeatability and stability of that measurement is in the order of a few hundred parts per million.
I should have added to my reply that there are two sources of error when you measure power: variations in component values (resistors, transformers) and variation in this reference voltage. The purpose of calibration is to correct for errors from both these sources.
It has been said that the mains-powered processor should not use readVcc( ) because the value of the internal 1.1 V reference is known with less certainty ( ±9%) than the 3.3 V or the 5 V from the regulator i.c. However, the internal reference is more stable than the regulator in the face of external influences. readVcc( ) is of course essential when operating from batteries.
Re: latest emonlib.cpp voltage measurement
Perhaps you could help all of us understand how this code works - either give us a detailed description
I'll have a crack. The code is necessarily cluttered by all the AVR variants it supports, so start by focusing on your part of interest. In this example I'll assume a 2560 because I have the datasheet handy. And then examine it line by line:
ADMUX = _BV(REFS0) | _BV(MUX4) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
ADCSRB &= ~_BV(MUX5);
The above is basically saying:
REFS1:0 = 01 and MUX5:0 = 011110
(MUX5 happens to live in a different register from MUX4:0 which is why it's done separately).
Looking at the attached tables from the 2560 datasheet, you'll see that:
REFS1:0 = 01 means select "AVCC with external capacitor at AREF pin" as the reference voltage.
MUX5:0 = 011110 means measure the 1.1V Vbg
ADCSRA |= _BV(ADSC);
The above starts a conversion running.
while (bit_is_set(ADCSRA,ADSC));
The above waits for the conversion to finish.
result = ADCL;
result |= ADCH<<8;
The above fetches the 10-bit result. So at this stage result now holds the result of measuring the 1.1V Vbg using AVCC as the reference voltage. In other words:
result = Vbg / AVCC * 1024
So for instance, if AVCC is 5V and the 1.1V bandgap is spot on at 1.1V, then you would expect result to now hold 1.1 / 5 * 1024 = 225.
The premise of the routine is that if you know one of either AVCC or Vbg, and you have the above result then you can easily deduce the other.
If you trust AVCC, and you want to know what Vbg is for this part, then you can rearrange the above formula to:
Vbg = result * AVCC / 1024.
If you trust Vbg, and you want to know what AVCC is, then you can rearrange it to:
AVCC = Vbg * 1024 / result
= 1.1 * 1024 / result (since you trust Vbg to be 1.1)
= 1126.4 / result (in volts)
= 1126400 / result (in mV)
which gives rise to the final line of code:
result = 1126400L / result;


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About me:
My name is Connor Kellock and I am a first-year Interactive Arts and Science student at Brock University.
Some interests of mine include: Collecting vinyl records, playing rugby, listening to music, watching movies, and much more.
I am well versed in poetry, and I also enjoy creating small instrumental songs that you can listen to on my “Portfolio” page.
Some of my favourite artists and bands include the likes of, Led Zeppelin, Tyler the Creator, Deadmau5, Motley Crue, Frank Ocean, Mac Miller, Tame Impala, and the list goes on.
I am also very passionate about computers, and computer programming, as I would like to one day incorporate it into my dream job as a Video Game Designer at Blizzard Entertainment.
I built my first computer in grade six, and I have been tinkering around with computer parts and software ever since then, and that hobby eventually leads me to where I am today: at Brock University.
Being the nephew of a respected member of the early E-sports scene in the 2000s, I have always been surrounded by video games and computers. My uncle ran “Nekstlevel Interactive,” a very popular LAN gaming center in the GTA/Mississauga area, which quickly landed him a role in the birth of the E-sports scene we have today.
He has been helping me along the way to form what has turn into a full passion for video games and computers, which I (hopefully) will make my profession after I graduate.
Although I am not participating in the Brock rugby team, I was recruited to play on it two years previous, but I have chosen to become a full-time student instead of a full-time rugby player. I have earned multiple awards over the years for leadership, athleticism, and was also captain of my team throughout high school.
When I am not working, doing school work, or playing rugby, I like to unwind by watching some of my favourite movies such as The Big Lebowski, Pulp Fiction, Star Wars, and Big Trouble In Little China. Being the son of a film student, I have been brought up to know a good movie from a bad one; and if you can name a movie, I have probably seen it.
I am also a fan of all things from the 1980s, as the aesthetic and media that were produced during the decade are among some of my favourites. Movies like Escape from New York, music groups such as Duran Duran and New Order, and the colourful clothing are to name a few of the aspects that I admire about the 80s.
One day I hope to travel the world, as it was not a luxury that my family has ever had. I have family in London, Scotland, Germany, and Italy, however my family in Canada rarely ever visits them. My parents regret never moving out of Mississauga, Ontario, as they were both raised there and still live there. I would like to one day work overseas, either in Tokyo, Poland, or London.
Thank you for reading, and I hope that you learned a little more about who I am in the process.
Cheers, as always,
Connor Kellock


--- layout: session academic: true title: "Diversity and Inclusion in OSM" subtitle: "Your OSM" code: "Z7L9HF" speaker_names_with_affiliations: ['Patricia Solis (YouthMappers / Arizona State University)', 'Miriam Gonzalez (GeochicasOSM)', 'Heather Leson'] extra_tags: room: "Kleiner Hörsaal" length: "01:00" time: "Sunday, 14:00" resources: [] recording: False ---
How can OSM be more diverse and inclusive? What can we do to improve this across all the various OSM spaces, including OSM governance? Diversity is the range of human differences, including but not limited to race, ethnicity, gender, gender identity, sexual orientation, age, social class, physical ability or attributes, religious or ethical values system, national origin, and political beliefs. Join us to share your lessons and ideas on how we might grow and support a Diversity and Inclusive approach in OSM. There are Diversity and Inclusion groups across other 'open' communities. OSM has a diversity talk mailing list. This will be the place where the community can continue to connect after SOTM.
The goal of the session is to give space for the OSM community to talk about their needs and to plan a way forward to supporting OSM on this journey.
We will ask participants to co-create plans and identify how we might incorporate it into small and big activities within the global network.
The format will be co-created with some potential outcomes. The goal is to be a conversation with interactive, participatory methods and some small group work.
Examples of formats: https://facilitation.aspirationtech.org/index.php?title=Agenda:Sessions
See more about this topic: https://blog.mozilla.org/internetcitizen/2019/03/04/open-source-inclusion/ https://opensourcediversity.org/ https://github.com/mozilla/diversity


--- creation_epoch:<PHONE_NUMBER> lastmod_epoch:<PHONE_NUMBER> categories: ['Tech Tricks'] title: Creating Samsung recovery disc on a Windows 8 laptop ---
Update 7 Aug. 2013
Neither the Samsung Recovery "Factory image" backup nor the Windows 8 Recovery backup (with copy of Recovery partition) seem capable of performing a restore to a blank new hard drive. Both tell me that no image can be found even though on the Samsung Recovery Factory image there are 17GB+ of files. Maybe both recovery programs use the same restore software and fail to create require partitions and GPT attributes.
I've contacted Samsung Support via Facebook for assistance or options other than mailing my laptop in to be re-imaged. Update: Samsung Support has confirmed that the Samsung Recovery will not work on a blank hard drive. You have to send in your laptop as none of the recovery options support blank/new drives.
If I find a legal and legit source to download a Windows 8 ISO I'll create a new blog entry and link to it. Since the product key is embedded in the BIOS doing activation shouldn't be too difficult (I hope). Update: If you have an MSDN subscription you can try here. You can verify your download integrity with the provided SHA1 hash.
Update 6 Aug. 2013
I inquired to Samsung Support about purchasing some recovery disc. They said they cannot send me any disc but instead I must mail my laptop to them and they will re-image the system. $39.99 plus the shipping cost to get it there!
Better yet is that the Windows 8 Recovery USB I made is unable to do a restore to a blank hard disk. The Reset your PC and every other option refuses to work unless you already have required partitions on the disk marked with special GPT attributes. Super LAME! See XDA Developers (Windows 8, RT Development and Hacking > Windows RT General > disk wiped clean - won't allow me to recover) for help on how to manually recover your system from the command-line using your USB recovery drive. Also known as "Unable to reset your PC. A required drive partition is missing" error.
I'd advise making AND testing the Samsung Recovery Solution option or ensure you have a friend with an official Windows 8 ISO you can use. If you ever have to replace your hard drive you will either have to mail off your laptop to Samsung and pay up or find a copy of Windows 8 ISO (or buy Windows 8 again).
From a techie perspective or IT support these options for Windows 8 are just horrible. I blame both OEMs for not including OS install media and Microsoft for making reinstalls so difficult.
On a side note I did ensure I had UEFI mode enabled in my BIOS otherwise you'll get nowhere with Windows recovery anyway.
Just bought a new Samsung laptop (model Model: NP365E5C-S02UB) that came with Windows 8. As is the normal thing now it came with no factory recovery disc. Most new PCs will prompt you the first time you use the computer to create some factory recovery discs. That is not the case with this Samsung laptop :'( .
The printed user guide includes a section on recovery, but it doesn't show how to get to the Samsung recovery program. You can also no longer burn DVDs but instead need a 17GB+ USB drive to create the Samsung recovery.
With Windows 8 you also have the option of creating Windows 8 recovery disc which can restore your system, custom settings, and user data. You still have the option of using DVDs or for this model I was able to use an 8GB USB drive because it fit on it. This included backing up the OEM factory Recovery partition which is important if you ever have to replace a failed hard drive. Otherwise you have to purchase recovery media from the OEM and wait 4-6 weeks to get it. I wish you could download it for free.
So you have two ways to create recovery media:
As for which method is better I don't see much difference other than that the Windows method requires less space. I haven't tested on a blank hard drive if the restore provides a different amount of software or not. I did both backup methods and saved images of the USB drives just to be sure. Ideally one could do a clean install of Windows 8, but I haven't found a free and official source to get the Windows 8 ISO or installer from. Microsoft is really pushing OEMs to just have recovery partitions with special BIOS options to boot from them. I guess it is one less disc for an end-user to just lose, but as an IT tech support person it makes fixing someone's computer more difficult. I do like that the Windows 8 product key is no longer a sticker on the bottom that just rubs off after a few years. One less headache to deal with when fixing someone's computer.
The main lesson is to ensure when someone sets up a new computer that they create their recovery discs. It is more difficult to find in Windows 8 and the user isn't prompted to do so out of the box. Hard drives fail often and if it does with no recovery disc and no recovery partition available the user may have to either wait weeks or pay hundreds of dollars to rebuy Windows again. Annoying and lame.


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Explain the purpose of the package.json file and node_modules directory. - package.json specifies which packages we want to use within the app as well as semantic versioning ranges to say what versions of that app are acceptable - package-lock.json specifies the exact version of the package that we have installed in our node_modules directory, where we got that package from, and dependencies of that package - node_modules is a directory that contains all of the actual code for packages that we have added to our project
npm init
is runnpm install
is runnpm -v
- npm install -g npm@latest
npm init
creates our package.json - npm install moment
adds the moment package as a dependency - const moment = require('moment');
imports the module into our code so that we can use the moment variable and call any methods on it that exist in the module;
moment.().format('dddd');
for example- We can also install a dependency as a dev dependency:
- `npm install --save-dev nodemon` adds the nodemon package as a dev dependency
git clone <repo-url>
- cd into repo - npm install
Define a constructor function using ES5 syntax. javascript function Book(title, series, author) { this.title = title; this.series = series; this.author = author; }
Define a method on the prototype of a constructor function. javascript Book.prototype.getInformation = function () { if (this.series) { return `${this.title} (${this.series})`; } else { return this.title; } }
Declare a class using ES6 syntax. javascript class Book { constructor(title, series, author) { this.title = title; this.series = series; this.author = author; } }
Define an instance method on a class (ES6). ```javascript class Book { // constructor
getInformation() { if (this.series) { return ${this.title} (${this.series})
; } else { return this.title; } } } ```
Define a static method on a class (ES6). ```javascript class Book { // constructor
static getUniqueAuthors(…books) { let authors = []; books.forEach(book => { if (!authors.includes(book.author)) { authors.push(book.author) } }) return authors; } } ```
Instantiate an instance of a class using the new keyword. javascript const theGrapesOfWrath = new Book('The Grapes of Wrath', null, 'John Steinbeck');
Implement inheritance using the ES6 extends syntax for an ES6 class. javascript class Book extends CatalogItem { // Book code }
Utilize the super keyword in a child class to inherit from a parent class. ```javascript class CatalogItem { constructor(title, series) { this.title = title; this.series = series; }
getInformation() { if (this.series) { return ${this.title} (${this.series})
; } else { return this.title; } } }
class Book extends CatalogItem {
constructor(title, series, author) {
super(title, series);
this.author = author;
}
}
class Movie extends CatalogItem {
constructor(title, series, director) {
super(title, series);
this.director = director;
}
// extending the functionality of the parent's getInformation()
getInformation() {
let result = super.getInformation();
if (this.director) {
result += ` [directed by ${this.director}]`;
}
return result;
}
}
```
class CatalogItem {
// CatalogItem code
}
module.exports = CatalogItem
```
```javascript
// book.js
const CatalogItem = require('./catalog-item');
class Book extends CatalogItem {
// Book code
}
module.exports = Book
```
- In this next example, we are exporting a multiple items from a file. We are assigning an object to module.exports that contains each item we are exporting. When we import from this file, we can either import the whole object, or destructure right in our import
```javascript
// classes.js
class CatalogItem {
// CatalogItem code
}
class Book extends CatalogItem {
// Book code
}
class Movie extends CatalogItem {
// Movie code
}
module.exports = { Book, Movie}
```
```javascript
// index.js
const classes = require('./classes');
const Movie = classes.Movie;
const Book = classes.Book;
// Or, destructuring in the import statment:
// const { Movie, Book } = require('./classes');
const theGrapesOfWrath = new Book('The Grapes of Wrath', null, 'John Steinbeck');
const aNewHope = new Movie('Episode 4: A New Hope', 'Star Wars', 'George Lucas');
```
Encapsulation
:
Inheritance
:Prototypal Inheritance
.
this
property references the object that the call originally came from.
Polymorphism
:as if it were an instance of one of its parent classes
.Open-Close
Principle (less applicable)Working with objects that come from code you didn't create
Visualizations of our program (UI has to know about the structure of our data)
module.exports = ClassName
, module.exports = { ClassName }
, or exports.ClassName = ClassName
for exporting. Know the differences and how to use each.const ClassName = require('./file/path')
or const { ClassName } = require('./file/path')
for importing. Know the differences and how to use each.


Do you prefer back-end or front-end development?
What platform would you like to develop for?
Is ease of learning a concern to you?
What type of work enviroment do you prefer
Which side of the programming coin interests you


--- layout: archive title: Zulip Chat Archive permalink: /stream/113488-general/topic/Name.20generation.html ---
I have a meta-question about name generation. My tactic gets its hands on a type, and needs to choose a name for a term of that type. This is in a maths context so the type would typically be called X
, and I would expect my tactic to choose x
as a term type, appending some index if there is already x
in my tactic state. I already know about get_unused_name
so only the first step is really missing. Is there any example I could try to copy? There are bonus points if I can also decide that a term of type α
should be called a
but this is not mandatory.
Literally mapping X
to x
? char.to_lower
or some version lifted to string? This will work for A-Z at least.
I'm pretty sure there's no function in mathlib to guess variable names more intelligently than that.
It would be better to have a slightly more robustness. The type could be X'
for instance.
and then I'd like to get x'
You can map to_lower
over the string.
But this feels a little un-mathlib to me. Usually, if a user is expected to deal with the local constants created by a tactic, they provide the names explicitly.
I agree, but this is not for mathlib.
Does anyone know how to rewrite in a tactic? All the function I'd like to use are marked as private in Lean core lib.
Nevermind, I found it.
There is a subtle game between rw_*
and rewrite_*
.
Last updated: Apr 24 2020 at 19:02 UTC


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Aditya MandkeStudent at PICT, Pune I love data analysis, politics, design, and German. Cottage cheese mega fan. |
| Dates | Work |
|---|---|
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| 2018 May - Aug | Junior Administrator @ VGADPPL |
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Next: Using graphcode in parallel
Up: Graphcode Documentation
Previous: Note on using macros
In building graphcode, you configure the options you want by setting
Make variables on the command line:
- MPI=1
- Build the MPI version of Graphcode
- MAP=
- specify which map to use for omap. hmap is the
default. You can build a library supporting multiple different omap
types by issuing successive make commands:
make MAP=vmap
make MAP=hmap
- DEBUGGING=1
- Used to enable assertions, as well as debugger
symbols. Optimisation is turned off
- PREFIX=
- specify an install directory when building the
install
target (default ~/usr
).
Russell Standish
2007-03-13


This service implements a user interface for browsing data sources registered on the
DatabaseContext
instance of the system.
It is possible to navigate through all the data sources, it's queries and it's tables.
The queries/tables can be displayed in a grid-like view, where functionality for searching,
sorting, filtering, and such is provided.
Usually, you won't instantiate this service directly, instead you use the dispatch mechanisms
of the application framework to load the URL .component:DB/DataSourceBrowser into an arbitrary
frame. This should involve a
ContentLoader
service, which creates and initializes
the browser.
Some aspects of the browser can be controlled from outside, eg.,
it is possible to dispatch a sort or filter
request, if a table or query is being displayed.
The communication between the browser and external instances works in two ways.
The way in is provided by the
::com::sun::star::frame::XDispatchProvider
interface the service exports (Please see below for more details on this).
The way out works in another way. There are several URL's which an external
instance can provide dispatches for (usually by implementing a
::com::sun::star::frame::XDispatchProviderInterceptor
for the parent frame of the browser), thus indicating that the browser should provide special functionality.
In this case, the browser displays and maintains some additional slots (to be more concrete: toolbox items), which,
upon triggering, call the
::com::sun::star::frame::XDispatch::dispatch()methodoftheobject
provided by the external instance.
In particular, the supported URL's for communicating to an external instance are:
- .uno:DataSourceBrowser/InsertColumns
Available whenever an external instance provides a dispatcher (
::com::sun::star::frame::XDispatch)
for this URL.
Enabled, if at least one row in the grid view of a table or query is selected.
It is the task of the external instance to provide functionality for this URL, but usually it is used
to implement some kind of "Data To Text" functionality.
- .uno:DataSourceBrowser/InsertContent
Available whenever an external instance provides a dispatcher(
::com::sun::star::frame::XDispatch
) for this URL.
Enabled, if at least one row in the grid view of a table or query is selected.
It is the task of the external instance to provide functionality for this URL, but usually it is used
to implement some kind of "Data To Fields" functionality.
- .uno:DataSourceBrowser/FormLetter
Available whenever an external instance provides a dispatcher (
::com::sun::star::frame::XDispatch)forthisURL.
It is the task of the external instance to provide functionality for this URL, but usually it is used
to implement some kind of "Form Letter" functionality.
For all kinds of URL's, the parameters supplied during dispatching build up a DataAccessDescriptor,
where the following properties are present:
The default for DataAccessDescriptor::Selection is to contain bookmarks, if not specified
otherwise by DataAccessDescriptor::BookmarkSelection.