| VM details |
For those who prefer their descriptions to be in the form of source code, the compilable example here should help. It uses exactly the same code as YAC to implement the virtual machine, ( declaration and definition), but the symbol tables and computational stack are hard-coded rather than generated dynamically by the parser.
This example code illustrates how the virtual machine evaluates numerical expressions similar to the one described earlier. However, it then goes on to show:
That is, it trials the entire functionality of the virtual machine. Here, I compile it:
g++ -DDEBUG -I$HOME/boost/cvs -o example_vm example_vm.cpp
(The -DDEBUG flag causes the machine to generate diagnostic output as the stack is evaluated.)
What follows below is a description of some of the requirements that the design addresses.
The computational stack is nothing more than a collection of polymorphic nodes:
namespace yac {
struct node {
virtual ~node() {}
};
struct stack {
std::list<boost::shared_ptr<node> > data;
};
} // namespace yac
Whilst it is convenient to use shared_ptr to manage the data storage, this is an implementation detail. The user is interested in a collection of nodes, so all access to the data is controlled by the begin() and end() member functions that return boost::indirect_iterators to the data: Such an iterator, when dereferenced, returns a reference to a node rather than to a shared_ptr<node>.
class stack {
typedef std::list<boost::shared_ptr<node> > container_t;
container_t data;
public:
typedef boost::indirect_iterator<container_t::iterator> iterator;
iterator begin();
iterator end();
};
In fact, the class goes on to wrap only those member functions of std::list that are actually used.
The copy semantics of list<shared_ptr<node> > are completely different to those of the hypothetical list<node>. This is unfortunate, because evaluation of the virtual machine requires that a copy be made of the stack and that this copy be transformed by the unwinding process. Moreover, when user-defined functions are used, evaluation requires that the data in the copied stack be altered to ensure that it is consistent with the symbol table of local variables. (The ability to define recursive functions means that each call to evaluate a user-defined function must use its own copy of any local variables data.)
In order to provide the required copy semantics, yac::stack defines a copy constructor and assignment operators that in turn invoke the helper function copy:
struct node {
virtual boost::shared_ptr<node> clone() const = 0;
};
void copy(stack::container_t & lhs, stack::container_t const & rhs)
{
lhs.clear();
stack::container_t::const_iterator it = rhs.begin();
stack::container_t::const_iterator const end = rhs.end();
for(; it != end; ++it)
lhs.push_back((*it)->clone());
}
That is, copy generates a true copy of the raw data. Doing so places a requirement on all classes deriving from node that they should implement a clone member function that generates a copy of the data rather than increment the shared_ptr reference count.
Generally speaking, the computational stack is a simple list of data and operations. However, YAC supports conditional evaluation of both a||b and a?b:c where a, b and c can all be complicated expressions themselves. Such conditional expressions are not well represented by a simple list, so YAC implements an or_node and a branch_node that contain stack variables themselves. In the case of or_node, the stored stack represents the expression b in a||b. It is evaluated only if a evaluates to false. The branch_node stores two stacks, one for b and one for c in the expression a?b:c. Which stack is evaluated depends on the result of evaluating a.
Usually, these are mere implementation details of the two node types and the computational stack should be regarded as a simple list. An exception to this rule does exist, however. If the user defines a recursive function such as:
factorial(x) = (x < 0.01) ? 1 : x * factorial(x - 1)
then evaluation of, say, factorial(2) will require evaluations of factorial(1) and factorial(0) also. All three function calls should have separate symbol tables for the local variable x and so the stack representation of (x<0.01)?1:x*factorial(x-1) that is copied for each evaluation should be modified so that references to x point to the correct data. Perhaps some code will make this clearer:
// params contains the argument list to be passed to the function
double user_function::eval_priv(vector<double> const & params) const
{
BOOST_ASSERT(arg_names_.size() == arity_);
// Create a copy of the local variables symbol table.
symbol_table_t local_vars_copy = local_vars_;
// Assign values to the elements of this symbol table
// using the argument list data stored in params.
std::size_t const size = arg_names_.size();
for (std::size_t i = 0; i != size; ++i) {
double * const ptr = find(local_vars_copy, arg_names_[i].c_str());
BOOST_ASSERT(ptr);
*ptr = params[i];
}
// Ensure that the variable_nodes in stk_copy point to
// the appropriate entry in local_vars_copy (rather than
// those of local_vars_).
stack stk_copy = stk_;
update_stack(stk_copy, local_vars_copy, local_vars_, arg_names_);
// Evaluate the stack.
return evaluate(stk_copy);
}
It is the update_stack function only that requires a mechanism to iterate over the stored stacks of any or_nodes and branch_nodes in stk_copy. The implementation is trivially simple, using nbranches and branch virtual functions to access these stacks:
struct node {
virtual std::size_t nbranches() const { return 0; }
virtual stack * branch(std::size_t) { return 0; }
};
struct function_node : public node {...};
struct or_node : public function_node {
or_node(stack const & stk);
std::size_t nbranches() const { return 1; }
stack * branch(std::size_t i) { return i == 0 ? &rhs_stk_ : 0; }
private:
stack rhs_stk_;
};
struct branch_node : public function_node {
branch_node(stack const & stk1, stack const & stk2);
std::size_t nbranches() const { return 2; }
stack * branch(std::size_t i)
{ return (i > 1) ? 0 : (i == 0 ? &stk1_ : &stk2_); }
private:
stack stk1_, stk2_;
};
There are five primary node types visible to the evaluate function: number_node and function_node together represent the numeric expressions defined by the expression grammar. Evaluation of such an expressions proceeds in a manner identical to that described earlier. print_node simply outputs the evaluated expression to stdout. variable_node will assign the result of such an expression to an element of one of the variable symbol tables. func_def_node will assign a user_func_expression variable to an element in the functions symbol table. Almost all other node classes are specializations of function_node.
Copyright © 2004 Angus Leeming
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
)


A hackathon is best described as an “invention marathon”. Anyone who has an interest in technology attends a hackathon to learn, build & share their creations over the course of a weekend in a relaxed and welcoming atmosphere.
You don’t have to be a coder to participate in the hackathon! You can still become a valuable team member, offering a fresh perspective, or perhaps by bringing other skills to the table such as design, data analysis or insight into user need. Hackathons are a great opportunity to learn too, it's a friendly atmosphere where attendees will help each other and share knowledge, so come along if you'd like to develop your coding skills!
Bring your laptop, phone and chargers.  We are going to provide you with all the food, swag, sleeping rooms and the drinks that you will need.
You own all the rights to your intellectual property. We won’t claim any right over anything made during this event.
Not to worry! You’ll meet people when you get there. Everybody’s very friendly. A lot of people go to hackathons without teams. So it’s perfectly normal to go around to people, tell them you’re looking for a team, and ask if you can help out. We will probably organise a team-building session, where you will meet other participants just like you. Due to logistic restrictions, we ask for the teams to be of 4 people maximum.
All food across the weekend will be provided FREE of charge. All dietary requirements will be considered and catered for - please make sure you provide this information upon registering.
HackPG is a student hackathon, and therefore you must be a current student or have graduated within the last academic year to be able to attend.
Nothing! HackPG is free to attend, with the venue and all food provided by our fantastic partners and sponsors.


Welcome to my about-me page
Thanks for playing! Was it fun?
- Do I get a lot of sleep? - yes
- On a Sunday, do I have time to make breakfast? - yes
- Do I eat a heavy meal during lunch time? - yes
- Do I like pizza more than I like hotdogs? - yes
- If I do not have time to make food, do I rely on Mcdonalds for a meal? - yes
- Can you guess my favorite number? - 7
- Can you guess my favorite place to go for vacation? - Spain, California, Japan, Mexico
Short script
Well I hope everyone enjoyed the little game I made
I'm hoping that I get to know more about css and javascript as I continue my education here at codefellows.
I enjoyed making this and I hope there will be more fun projects like this in the weeks to come.
If anything please get to know me, I'm a fun guy to hang out with and I do enjoy a lot of outdoor activites as well as indoor ones.
My plans from here..
- Learn a lot and take away as much as I can.
- Find out what kind of 'road' I want to take.
- Make sure to keep updating my LinkedIn profile.
- Graduate from codefellows
Stop by again for future updates!


{% load i18n %}
{% trans "Create VPN service for current project." %}
{% trans "The VPN service is attached to a router and references to a single subnet to push to a remote site." %}
{% trans "Specify a name, description, router, and subnet for the VPN Service." %}
{% trans "Admin State is enabled by default." %}
{% trans "The router, subnet and admin state fields require to be enabled. All others are optional." %}


Independently Owned Eating in Oxford
Find the independently owned restaurant for you
Explore a range of cuisines
Or just chose an eatery close to you!


[gecode-users] tracing without programming?
Johannes Waldmann
johannes.waldmann at htwk-leipzig.de
Wed Jan 18 11:17:25 CET 2017
On 01/17/2017 01:46 PM, Christian Schulte wrote:
> Please consult MPG, it explains Gist.
Right. ("Node -> Label branches" could be on by default?)
I will use Gist some more in the next iteration of my course.
(10.1) "Each node in the tree represents a fixpoint of propagation".
I wish there was a way to visualize individual propagation steps.
Since this thread is originally about tracing: I found that
MPG mentions that some examples are compiled with tracing enabled.
Grepping the source suggests that these are descartes-folium,
hamming, and money. Indeed `money -trace all` looks nice,
and it does show individual propagations.
Best regards - J.
More information about the users
mailing list


DREAMERS
Vishal Saxena
Co founder of a Enterprise Mobility Start-Up, Cisco ,Indian Army, Father of a SEN child.
Vishal is a parent of a high functioning ADHD kid, and so to say glue who got the team together to look into this issue with a very different view. He has had over 25+ years of experience with the Indian Army, Cisco Systems, ideaForge, A UAV company and various Startups as an investor and mentor.
Vishal is an alumnus of prestigious National Defence Academy, and holds a bachelor’s degree in Technology (Electronics and communications). He has done his Master’s in Business Administration from Indian School of Business (ISB) with a dual major in IT & Strategic Marketing.
Vishal is an avid reader. He is an outdoor person and loves camping out and mountaineering with his Thirteen-year-old son.
Jainendra Shukla
Assistant Professor, IIIT D, Area of research - Human-Robot Interaction, Affective Computing and Machine Learning
Dinesh Tewari
Experience in Building Human Centric Solutions in Startups, corporates and Indian Army.Co-founded Human Centric Deep Tech Product Startup in Healthcare and helping EngageMe build up the product!
Abhai Jawa
Embedded Design expert, Founder of Design Automation Firm, ex- Indian Army
COLLABORATORS
Devishobha
She is the founder & chief editor of Kidskintha. She lends her voice to several major publications like the Huffpost, Entrepreneur, Tiny Buddha, LifeHack, Access & Equity Magazine, Addicted2Success, and more. She is also the Vice-President of Early Childhood Association, India, and a facilitator for the UNESCO Futures of Education initiative in India.
Vijaya Dutt
Vijaya Dutt has been working in the field of education for more than 20 years. As a faculty member of the Indian Institute of Cerebral Palsy (IICP), Kolkata, Ishe was closely involved with not only the education of children with different levels of learning and physical disabilities but also the training of teachers and undergraduate & post graduate students in special education courses. As a Special Educator, she last headed the Special Education Needs Dept for Step By Step School, Noida. As an author, she wrote a chapter on “School Psychology in India in The Handbook of International School Psychology, Sage Publications. Her latest work “It Happens All The Time” has been published by Austin Macauley in London.
www.vijayadutt.com


Package com.mypurecloud.sdk.v2.model
package com.mypurecloud.sdk.v2.model
-


GDP per capita (PPP)
Population desity (emojis as flags)
Average person height (no flags, German language)
Countries using Euro as currency (custom tooltips)


§806-51 Plea of autrefois convict or acquit. In any plea of autrefois convict or autrefois acquit, it shall be sufficient for the defendant to state that the defendant has been lawfully convicted or acquitted (as the case may be) of the offense charged in the indictment. [L 1876, c 40, §40; RL 1925, §4072; RL 1935, §5521; RL 1945, §10824; RL 1955, §258-34; HRS §711-51; ren L 1972, c 9, pt of §1; gen ch 1985]
Rules of Court
Pleadings and motions before trial, see HRPP rule 12(a).
Case Notes
Where accused by accused's own action has obtained reversal of whole judgment, new trial may be had against accused as if no trial had previously taken place. 25 H. 581 (1920).
Cited: 27 H. 270, 271 (1923).


| DOSE: T+ 0:00 |
2.0 g |
oral |
Mushrooms |
(dried) |
| T+ 0:20 |
1 cig. |
smoked |
Cannabis |
(plant material) |
At about 1:00 PM, I mixed 2.6 grams of dried mushrooms, a mix of caps and stems, with about a cup of applesauce and began to eat it. I finished just over 2 grams before I realized my stomach would not accept any more of the mix, and I gave the rest away. At 1:20, I stepped out onto the porch with my friend to smoke a joint. I noticed the first onset of mushroom effects when we returned from the porch around 1:40. The bands of color in the wooden door to my friend’s room became much more pronounced, and I recognized the tree from which it was made as biological material. Within the next twenty minutes, these bands began to pulsate up and down; the rate and extent to which they were moving increased quickly.
Soon I noticed a symbol on the ceiling that I had encountered before on mushrooms. It looked like the Greek letter sigma, but flipped backwards. In this case, it was actually the letter M, part of somebody’s name written on the ceiling, but I experienced it only as the other symbol. This symbol became much more pronounced than all the other letters. If I moved or changed my orientation to the sigma, it would stay still, and everything else in the room started to swirl around it. I began to see familiar web-like patterns pulsing out of the ceiling. I also saw thousands of faint circles of symbols that I did not recognize moving around.
At about 2:10, as I was quickly approaching my peak, another friend of mine came into the room wanting to procure a bag of marijuana. Suddenly I understood the infinite web of connectedness between all forms of life. The needs and desires of humans and animals perpetuate, the need for plants, fungi, bacteria, and so forth, just as we return to the earth to nourish these things when we die. I found this understanding to be profoundly wonderful, and it gave me a sense of amazing serenity. Both my friend and the wooden door acquired a strange glow that I recognized as the spark of a divine gift within all living things.
By 2:20, an amazing amount of energy seemed to be moving through the room. I could sense that I was in the presence of a power I did not fully understand. Somehow it seemed that the music (Amon Tobin), the potency of my dose, my mindset and my surroundings had combined to channel something indescribable. The world around me was thick with my anticipation.
At 2:24, I experienced the defined peak of the trip. I took a deep breath and closed my eyes. What happened next surely defies any human attempt to describe it meaningfully, but the most shocking part was the concreteness of the event. For only a fraction of a second, I saw a shining octopus-like creature moving through and out to the front of me. At the exact moment it disappeared, I felt its consciousness enter mine. I have read other similar experiences of others who have met such entities, and the common elements of the experience I believe unlock some deeply rooted part of the human consciousness. I was stunned by the awesome energy that suddenly became a part of me.
My eyes shot open and I gasped for breath. I did not know where I was, but I was everywhere and nowhere at once. I was everything and nothing at once. For the first time, I knew that everything in the universe was one, and that infinite meaning is found in all forms of life and the means they use to interpret the world. I had a sense of having touched the forbidden; I was Adam eating from the tree of knowledge.
These creatures do not normally come to us because they inhabit a different realm of existence, but in this one instant it and I were able to transcend the duality of our existences and merged into the singularity that is the entire universe. I sensed that it understood the experience in a similar way; it had come and touched me in a way that its kind does not ordinarily do. It was then that I realized what had just happened to me: this creature had stolen a kiss and snuck away, before I had a chance to object!
I lay still for a moment, flattered that it had chosen me and awed at the amazing power it brought with it. It was as if a thousand new dimensions suddenly opened up in the world around me. Every object I saw was a symbol, and every symbol was overflowing with meaning. I understood the universe of human experience as being organized and categorized like a symbol dictionary. Every experience is recorded in the collective memory of language, and through experience new meanings are added and represented symbolically. Language and symbols are a natural outgrowth of human experience; they arise out of the human need to describe things that are worth describing, profound experiences that stimulate the mind and demand to be communicated to others.
I was overwhelmed by the need to share this understanding. I knew that my gift as a human was to be able to comprehend the world in this way, and I craved the satisfaction of what I understood as my right as a human to choose a soul mate with whom I could share it. Even as everything in the world around me began to melt together, I looked at an Indian tapestry of animals on the wall, and I recognized the animals as symbols and as the gods and spirits that humans have worshipped through the ages. These are the things to which we ascribe great meaning. Inscribed on each of the spirit symbols was another infinite chain of unrecognizable symbols, moving through and around the spirits.
I remained in this state for perhaps five minutes, after which I slowly began to return. Nevertheless, I felt the creature’s presence in me for the next several hours, and it provided my muse as I wrote for the remainder of the trip. I understood that everything was arranged in a particular way because that was the only way things could ever possibly be arranged. I played around with words and symbols and found myself amazed at the number of concepts that can be conveyed all using the same symbols. In the English alphabet there are twenty-six symbols. There is infinite meaning in each of these symbols, as there is in the order in which they are arranged. I thought about words beginning with the letter S, inspired by the sigma I had seen and also by a strong salvia experience I had had previously. I thought about words beginning with R and T, and why those letters are before and after S, respectively.
In fact, this experience helped me to finally understand what I had seen with the help of salvia. I realized that I had traversed the symbol dictionary, for it is the map of all human experience, which is the realm that I had traveled on salvia. The breadth of experience is the reason it seemed to take so long to traverse the dictionary, and the reason I felt like I had been gone for some indefinitely long amount of time.
Mushrooms, I know now more than ever, are a powerful ally of humankind. It has been two days since the experience, and I am still working it over in my head. It is best, I believe, to approach the experience with a certain openness, knowing that things may happen beyond your control. This attitude will allow one to accept what is happening and to experience things never thought possible. Prepare a question before you embark on your journey, because you never know who or what might be able to answer it.
Experience Reports are the writings and opinions of the individual authors who submit them.
Some of the activities described are dangerous and/or illegal and none are recommended by Erowid.


--- layout: archive title: Zulip Chat Archive permalink: /stream/113488-general/topic/lean.20hott.html ---
There is some form of HoTT for Lean 3. @Gabriel Ebner I think you know more about this.
With all our new cool tools, can I now easily work on this in one directory, and after that seamlessly switch VS code to a mathlib project?
Can leanproject
support HoTT? Or does it already do it by chance?
The hott3
project doesn't require any modifications to Lean. There is a @[hott]
attribute that forbids the use of eq.rec
and heq.rec
, and that's it.
However, as soon as you forbid eq.rec
you can essentially say goodbye to the core library (or mathlib). You can use the same list
, nat
, prod
, etc. But you can't reuse any theorems.
If you want to check it out, you can just leanproject get gebner/hott3
.
I've just added a lean_version
field so that elan should pick up the right lean version.
You also need to say goodbye to lots of built-in features such as cases
or rw
or the equation compiler (in general, it still works for lists and natural numbers and such). So we have eq_cases
, hinduction
, hsimp
, hintro
.
Cloning from https://github.com/gebner/hott3.git error: override toolchain 'leanprover-community/lean:3.7.0' is not installed info: caused by: the toolchain file at '/home/jmc/data/math/hott3/leanpkg.toml' specifies an uninstalled toolchain
Should leanproject install this for me automatically?
Or do we want users to ask elan to do this
Are you by any chance on windows? The 3.7.0 builds will probably take another hour or so.
Nope... linux :penguin:
Mmmh, then it should work out of the box. And if doesn't, then mathlib will break for you as well soon.
Did you need to do anything for the mathlib upgrade to 3.6.0?
I haven't done that yet on this box. Let me try.
@Gabriel Ebner
(error: override toolchain 'leanprover-community/lean:3.6.1' is not installed, the toolchain file at '/home/jmc/data/math/mathlib/leanpkg.toml' specifies an uninstalled toolchain)
Maybe my elan
is really old...
I think elan can update itself.
elan self update
Does this work for you?
$ elan self update info: checking for self-updates info: downloading self-update Error(Download(HttpStatus(404)), State { next_error: None, backtrace: None }) error: could not download file from 'https://github.com/Kha/elan/releases/download/v0.8.0","user_id":null%7D%7D/elan-x86_64-unknown-linux-gnu.tar.gz' to '/tmp/elan-update.xzw5tBCb62Kj/elan-x86_64-unknown-linux-gnu.tar.gz' info: caused by: http request returned an unsuccessful status code: 404
@Sebastian Ullrich This looks like an elan bug ^^
I guess you need to reinstall elan.
FWIW, I get the same error too.

No, it seems to be gone.
My CPU's are currently maxing out while checking cubical/*.lean
Great, then the bug has been long fixed
@Gabriel Ebner Currently master
contains sorry
. Do you have any idea how hard it would be to make it sorry
-free?
hott3
is pretty much unmaintained. @Floris van Doorn has been merging a lot of PRs, but I don't think anybody actually has a use for it.
Also hott3
is far from "finished". Most of the files are a direct port of the Lean 2 HoTT library. But only like 5% is ported. The sorry
should be the least of your worries.
Is it at all reasonable to think that we can try to prove quadratic reciprocity in HoTT3?
Or should we switch to cubical agda, or something similar, if we want to do such an experiment?
Other people are probably more qualified than me to answer this question. hott3
is at a point where I think you could try this experiment (if you have way too much free time). On the plus side, there is a simplifier and you already know the syntax. If I wanted to it, I would probably also look at other HoTT systems with mathematical libraries first, such as the HoTT library in Coq. I wouldn't do it in cubical Agda, because AFAICT there are no tactics and I wouldn't want to work without rw
or simp
.
Last updated: Apr 24 2020 at 19:02 UTC


nitro
Businessmodel of Nitro
Customer Segments
Nitro has a segmented business model, with customers that have slightly different needs. The company targets its offering at consumers and at firms of all industries and sizes.
Value Proposition
Nitro offers three primary value propositions: convenience, price, and brand/status.
The company offers convenience by providing software that addresses a wide range of activities. Its solution can be used to create, edit, sign, and secure PDF files and digital documents.
The company offers a price value proposition. It maintains a freemium business model, through which it makes its most basic level of services free. It also offers a two-week free trial for new users of its Premium and Enterprise versions. All users of Lenovo products get a 30-day free trial.
The company has established a strong brand as a result of its success. It bills itself as the leading alternative to Adobe Acrobat, and is the PDF software partner of choice for Lenovo. Its solution is used by millions of consumers monthly in 200 countries, and has a 97% customer satisfaction rating. It is also used by 600,000 businesses, including more than 50% of the Fortune 500. Prominent customers include Nike, Pfizer, Xerox, IBM, Staples, and Honeywell. Lastly, it has won many honors, including multiple placements on the BRW Fast 100, Inc. 500, and Deloitte Technology Fast 50.
Channels
Nitro’s main channel is its website; that said, it also utilizes a direct sales team and has a distribution partnership with Lenovo. The company promotes its offering through its social media pages and participation in conferences.
Customer Relationships
Nitro’s customer relationship is primarily of a self-service, automated nature. Customers utilize the service while having limited interaction with employees.
The company’s website features the “Nitro Resource Center” which includes self-help tools such as white papers, case studies, eBooks, infographics, webinars, and video tutorials. The site also provides product manuals, a newsletter, answers to frequently asked questions, and the Nitro Blog, which provides PDF editing tips, IT best practices, and productivity “hacks”.
Despite this orientation, there is a personal assistance component in the form of e-mail support and a community element in the form of a peer forum.
Key Activities
Nitro’s business model entails designing and developing its software for customers.
Key Partners
Nitro maintains a distribution partnership with Lenovo through which its software is pre-loaded on Lenovo’s devices. The company invites other firms to become channel partners and sell its products in order to extend its reach. Partners receive the following benefits:
- Product specialist training
- Sales training/materials
- Pre-sales support
- Access to joint marketing and PR opportunities
- Upfront discounts and deal registration The company’s current channel partners include ATI Solutions, Softchoice Corporation, CDW, Iventure Solutions, PCM, PC Connection, Insight, Zones, and Micro Logic.
Key Resources
Nitro’s main resources are its human resources, who include the technology employees that design and develop its software and the customer service employees who provide support.
As a startup it has relied heavily on funding from outside parties, raising $24.8 million from three investors as of November 2014.
Cost Structure
Nitro has a cost-driven structure, aiming to minimize expenses through significant automation and low-price value propositions.
Its biggest cost driver is likely sales/marketing, a fixed expense. Other major drivers are in the areas of product development and customer support/operations, both fixed costs.
Revenue Streams
Nitro has one revenue stream: the subscription fees it charges for monthly access to its software. The company offers two plans:
Premium Plan – For power users and small teams. It charges $14.99 per user per month when paid annually and $19.99 per user per month when paid monthly. Plan features are as follows:
- Unlimited electronic signatures
- Unlimited secure sharing
- Unlimited documents (250 page/10MB limit per document)
- Cloud storage connectors
- Unlimited templates
- Unlimited analytics
- Premium support (response within 24 hours)
-
Team Console & Governance Enterprise Plan – For large teams. Sales staff must be contacted directly for pricing quotes. It includes all features of the Premium Plan, as well as the following:
- Enterprise support (Account Manager)
- Advanced Team Console & Governance
- Salesforce integration


LKAO
science
file sharing
Upload
Uploaded
Chatroom
WebGL Playground
Custom Particle Engine
Add webpage to home screen
Dismiss
background
Layer 1


Home
(current)
About
Concepts
Disk Scheduling
Process Scheduling
Demand Paging
Contiguous Memory Allocation
File Allocation
Deadlocks
Process Synchronization
Largest Remaining Time First
Processes
Process No.
Arrival Time
Burst Time
Add
Start
Process No.
Arrival time
Burst time1
Waiting time
Turn Around Time


|
Imperx Tools SDK
<IP_ADDRESS>
|
Data structure for description of Imperx Image. More...
#include <IpxImage.h>
Public Attributes | |
| uint32_t | nSize |
| uint32_t | version |
| IpxPixelTypeDescr | pixelTypeDescr |
| int32_t | origin |
| uint32_t | width |
| uint32_t | height |
| uint32_t | imageSize |
| uint32_t | rowSize |
| uint64_t | timestamp |
| uint64_t | imageID |
| IpxUserData * | userData |
| char * | imageData |
| char * | imageDataOrigin |
Data structure for description of Imperx Image.
| uint32_t IpxImage::nSize |
Size of the IpxImage structure
| uint32_t IpxImage::version |
Version of data structure for image.
| IpxPixelTypeDescr IpxImage::pixelTypeDescr |
Descriptor of pixel format for image.
| int32_t IpxImage::origin |
Origin of Image coordinate system: 0 - top-left origin: IIPL_ORIGIN_TL; 1 - bottom-left origin: IIPL_ORIGIN_BL (Windows bitmaps style).
| uint32_t IpxImage::width |
Image width in pixels.
| uint32_t IpxImage::height |
Image height in pixels.
| uint32_t IpxImage::imageSize |
Image data size in bytes ( equals image->height*image->rowSize in case of interleaved data).
| uint32_t IpxImage::rowSize |
Size of aligned image row in bytes (not necessarily aligned) - needed for correct deallocation.
| uint64_t IpxImage::timestamp |
Image timestamp.
| uint64_t IpxImage::imageID |
Image identifier. For U3V and GEV - block_id field of Leader packet
| IpxUserData* IpxImage::userData |
User data, linked with this image.
| char* IpxImage::imageData |
Pointer to aligned image data.
| char* IpxImage::imageDataOrigin |
Pointer to very origin of image data.


"""For neatly implementing static typing in pip. `mypy` - the static type analysis tool we use - uses the `typing` module, which provides core functionality fundamental to mypy's functioning. Generally, `typing` would be imported at runtime and used in that fashion - it acts as a no-op at runtime and does not have any run-time overhead by design. As it turns out, `typing` is not vendorable - it uses separate sources for Python 2/Python 3. Thus, this codebase can not expect it to be present. To work around this, mypy allows the typing import to be behind a False-y optional to prevent it from running at runtime and type-comments can be used to remove the need for the types to be accessible directly during runtime. This module provides the False-y guard in a nicely named fashion so that a curious maintainer can reach here to read this. In pip, all static-typing related imports should be guarded as follows: from pip._internal.utils.typing import MYPY_CHECK_RUNNING if MYPY_CHECK_RUNNING: from typing import ... Ref: https://github.com/python/mypy/issues/3216 """ MYPY_CHECK_RUNNING = False if MYPY_CHECK_RUNNING: from typing import cast else: # typing's cast() is needed at runtime, but we don't want to import typing. # Thus, we use a dummy no-op version, which we tell mypy to ignore. def cast(type_, value): # type: ignore return value


--- layout: default title: Staff - DDraceNetwork menu: |
DDraceNetwork was an idea by Megaman with support by Delo and onionly .me' in the summer of 2013. For new features or bugs talk about them in the Forum or suggest them on Github. New maps can be submitted on Discord, where our Testers will take care of them. Please note the Mapper Rules.
You can find us on the DDraceNetwork servers, our Discord server and our Teamspeak server on ts.ddnet.tw. Otherwise you can post in our Forum for suggestions, questions or anything else. There's also an IRC channel #ddnet on Quakenet (Webchat, Logs).
We are always looking for new people to join our team. If you want to support us, you can send in your applications in the Staff Recruitment Forum section.


Relative, absolute, and fixed positioning
July 19, 2015
Positioning elements in CSS
In the early days of the web, designers used html tables for laying out elements. That was a pain, since you had to rewrite the html whenever you wanted to change the layout. Luckily, today we have CSS styles for page layout. Here are some of your options for element positioning: static relative, absolute, and fixed. What's the difference?
Static
This is the default for page elements, and means that it just flows in the page as normal. You'll only use static to override positioning that was set elsewhere, which is fairly rare because positioning is not a property that cascades.
This is where all our boxes start out. Their position right now is determined by their order in the html.
Relative
An element with relative positioning is placed "relative to itself" for the values you provide. For example, if you specify the relative position as "top: 10px;" the element will move 10px down from where it already is. Unlike with absolute positioning, other elements in the flow of the page will still behave like a relatively positioned object has kept its place. Let's take a look at some demo images.
See how the pink box moved 30px away from the left and bottom border of where it used to be, leaving a space? The other boxes politely stay put.
Note: Relative positioning also allows you to use the z-index to set the overlap of an element. A higher number of z-index puts the element on top of other elements.
I gave the first box a z-index of 2, which is higher than 0, the default z-index of all the other boxes I didn't edit. Since I gave it the highest z-index and set its position to relative, it leaps to the top. Without relative positioning, it would not move.
Absolute
An element with absolute positioning can be placed anywhere you want on the page with attributes for top, left, bottom, and right set relative to the browser window. Absolute positioning is good when you want to specify exactly where you want an element on the page, and don't want other elements to interfere with it. It removes the object from the flow of the page, so other elements will act like it's not there.
In the image above, I set the position of the third box to 0px "absolute" from the left and top, so it moves to the upper left corner of the browser window. It wouldn't move from its spot if the position were set to relative. Notice how the other boxes ignore its new position and are covered up.
Fixed
An element with fixed positioning is placed relative to the visitor's browser window, so it will stay put when the page is scrolled. This is usually used for navigation bars or footers. A drawback is that on smaller sized screens, content can be cut off or overlap in awkward ways, so this positioning needs to be thoroughly tested.
I gave box 3a a fixed position that's 50px from the left, 0px from the bottom. Now it's hugging the bottom of the browser window, and will stay put even when we scroll or adjust the screen size.
I scrolled down. Box 3a clings to the bottom of the screen. Perfect for a footer navigation bar.
Inherit
Inherit means your element will take the position of its parent element, no matter what its position values are. (In the tree-like structure of html, parent elements contain child elements that are nested within.)
Box 3a still has instructions to position itself 50px from the left and 0px from the bottom, but setting its position to inherit overrides that and gives it the same position as its parent element, Box 3.
Combining these positioning options in CSS can create a wide variety of page layouts. Other properties, such as float and new values in CSS3, can also change the position of elements, but that's beyond the scope of this post.


This site is under construction. Look forward to updates from the software engineer, cat mom, baker, runner, and possible potter.
Experience
Software Engineer
Braintree
Integrated new payment methods including Apple Pay, Visa Checkout, and Masterpass into the core payments Ruby on Rails gateway.
Led design and execution of the seventh payment method Braintree offers, Samsung Pay, from initial brainstorming to release in ten months. This included internal technical and product level discussions as well as ext
ernal discussions with Samsung and interested merchants.
Defined units of work from broad specifications accomplishing those goals utilizing pair programming, TDD, and other agile best practices.
Built software to scale with of our large merchants such as Uber, Airbnb, and Jet.com including sharding in our Postgres database.
Maintained and improved existing products dealing with major production issues associated with those products as they occur.
Handled design, testing, and infrastructural changes related to my work.
Contributed to frequent technical discussions about modeling and design that saved us months on products similar to Visa Checkout and Masterpass.
August 2016 - Present
Platform Engineer
Sprout Social
Utilized MySQL, Cassandra, and Hadoop to cache, aggregate, and analyze social networking data exposed via a python REST API.
Spearheaded the research, design, implementation, and testing of a new, concurrent interface to Twitter historical data that allows users to track the popularity of keywords over time.
Built support for a new metric involving polling data from Instagram, storing it in HBase, and aggregating it with MapReduce to store it in Cassandra where it is accessible to the API.
Revamped a legacy Java system that worked with YARN to schedule Hadoop jobs to do a better job of reporting and notifying about jobs.
June 2015 - June 2016
Software Engineer Intern
Mission Street Manufacturing
Developed agile front- and back-end in a cross-functional team for critical user-facing feature that shipped with all 3D printers allowing users to replace printing filament.
Full stack engineer across iOS (Swift), web services (Python/Flask), and embedded hardware (Python running on a Raspberry Pi).
Wrote unit, functional, and integration tests to cover both new and legacy code.


A singular object which represents the whole tournament state for the purpose of being read from and written to storage.
store the current program state in a blob
Returns: the blob
restore the program state from the blob
Argument: blob
the blob
resets everything managed by Blob


Publications
Ajeet Kumar Singh, Anand Mishra, Shashank Shekhar, Anirban Chakraborty
IEEE International Conference on Computer Vision 2019 (Oral: 4.3% acceptance rate)
Anand Mishra, Shashank Shekhar, Ajeet Kumar Singh, Anirban Chakraborty
International Conference on Document Analysis and Recognition 2019
Navaneet K L, Ravi Kiran Sarvadevabhatla, Shashank Shekhar, R. Venkatesh Babu, Anirban Chakraborty
IEEE Transactions on Information Forensics and Security (Volume: 15)
Shashank Shekhar and Janpreet Singh (equal contribution)
IEEE International Conference On Big Data Cup 2018 Challenges Workshop


Model Enhancements
Enhancing and making adjustments to a model can often be straightforward in the Bayesian context, depending on what one wants to accomplish. In other cases, some things may be possible that aren’t readily available with standard approaches in the traditional setting. The following shows a few brief examples to give an idea of the possibilities.
Generating New Variables of Interest
We have already seen one way to get at new statistics of interest in the predictive model checking section. I next show how to do so as part of the modeling process itself. In Stan, we can accomplish this via the generated quantities section.
A typical part of linear regression output is \(R^2\), the amount of variance accounted for by the model. To get this in Stan we just have to create the code necessary for the calculations, and place it within the generated quantities section. I only show this part of the model code; everything we had before would remain the same. I show the corresponding lm results from R for comparison. There are a couple of ways to go about this, and I use some of Stan’s matrix operations as one approach.
.
.
.
generated quantities {
real rss;
real totalss;
real<lower=0, upper=1> R2;
vector[N] mu;
mu <- X * beta;
rss <- dot_self(y-mu);
totalss <- dot_self(y-mean(y));
R2 <- 1 - rss/totalss;
}
Using the results from the model using lm, we do the same calculations for rss
and totalss
, and note the result is identical to what you’d see in the summary of the model.
rss = crossprod(resid(modlm))
totalss = crossprod(y-mean(y))
rss = rss[1]; totalss = totalss[1] # for alignment, remove matrix
1-rss/totalss; summary(modlm)$r.squared
[1] 0.4524289
[1] 0.4524289
Now we can run the model with added \(R^2\) 41. Note that as before we do not just get a point estimate, but a whole distribution of simulated values for \(R^2\). First the results.
print(fitRsq, digits=3, par=c('beta','sigma','R2'), prob=c(.025,.5,.975))
Inference for Stan model: stanmodelcodeRsq.
3 chains, each with iter=12000; warmup=2000; thin=10;
post-warmup draws per chain=1000, total post-warmup draws=3000.
mean se_mean sd 2.5% 50% 97.5% n_eff Rhat
beta[1] 4.895 0.002 0.129 4.639 4.897 5.144 3000 1.000
beta[2] 0.087 0.003 0.131 -0.169 0.086 0.342 2751 1.000
beta[3] -1.466 0.002 0.125 -1.712 -1.469 -1.219 2826 0.999
beta[4] 0.821 0.002 0.123 0.584 0.820 1.063 3000 0.999
sigma 2.028 0.002 0.091 1.858 2.025 2.212 2945 1.000
R2 0.443 0.000 0.006 0.427 0.445 0.451 2932 1.000
Samples were drawn using NUTS(diag_e) at Sat May 24 13:10:08 2014.
For each parameter, n_eff is a crude measure of effective sample size,
and Rhat is the potential scale reduction factor on split chains (at
convergence, Rhat=1).
The nice thing here is that our \(R^2\) incorporates the additional uncertainty in estimating the model parameters, and thus acts like an adjusted \(R^2\) 42. The following is the classical regression adjusted \(R^2\).
summary(modlm)$adj
[1] 0.4457512
Furthermore, in the Bayesian context we get an interval estimate and everything else we typically get as with other quantities of interest, and the same would be true for anything else we want to calculate (e.g. predictions). In addition, it would be trivial to calculate something like the actual adjusted \(R^2\), the probability that the value is greater than .5, and other things of that nature.
Robust Regression
If we were concerned that extreme observations exist that our current model is not able to capture well, we could change the sampling distribution to one that had a little more probability in the tails. This is very easy to do in this situation, as we just change likelihood portion of our code to employ say, a t-distribution43. In Stan, the t-distribution has parameters mean and sigma as with the normal distribution, but we also have the added parameter for degrees of freedom. Thus, our code might look like the following:
stanmodelcodeT = "
.
.
.
model {
vector[N] mu;
mu <- X * beta;
// priors
beta ~ normal(0, 10);
sigma ~ cauchy(0, 5);
// likelihood
// y ~ normal(mu, sigma); // previously used normal
y ~ student_t(10, mu, sigma) // t with df=10
}
"
In this case we set the degrees of freedom at 1044, but how would you know in advance what to set it as? It might be better to place a prior (with lower bound of one) for that value and estimate it as part of the modeling process. One should note that there are many distributions available in Stan (e.g. others might be useful for skewed data, truncated etc.), and more will be added in the future.
Generalized Linear Model
Expanding from standard linear model, we can move very easily to generalized linear models, of which the standard regression is a special case. The key components are use of a link function that links the linear predictor to the target variable, and an appropriate sampling distribution for the likelihood.
Let’s consider a count model using the Poisson distribution. We can specify the model as follows:
\[y \sim Pois(\lambda)\]
\[g(\lambda) = X\beta\]
where \(g(.)\) is the link function, the canonical link function for Poisson being the natural logarithm. In Stan, this can be expressed via the inverse link function, where we exponentiate the linear predictor45. Aside from that we simply specify \(y\) as distributed Poisson in the same way we used the normal and t-distribution in earlier efforts.
stanmodelcodePoisson = "
.
.
.
model {
vector[N] lambda;
vector[N] eta;
eta <- X * beta;
lambda <- exp(eta)
// priors
beta ~ normal(0, 10);
// likelihood
y ~ poisson(lambda)
}
"
And that’s all there is to that46. We just saw that we are not limited to the exponential family distributions of GLM(s), though that covers a lot of ground, and so at this point you have a lot of the tools covered in standard applied statistics course, and a few beyond.
With the rstanarm package, R2 is automatically calculated and provided with the stan_lm function. It is also available in rstanarm and brms via the bayes_R2 function.↩
See Gelman & Pardoe (2006), Bayesian Measures of Explained Variance.↩
Note that with the brms package all one would have to do is change the
family
argument in the model function.↩Alternatively, we could add a value ‘df’ to the data list and data block.↩
You can also forgo the exponentiation and instead use the poisson_log function in your sampling statement (slightly faster too).↩
Note that some link/inverse-link functions in Stan cannot be applied to vectors, only scalars. As such you would have to loop over the values of \(y\),
for(n in 1:N) ...
↩


--- layout: archive title: Zulip Chat Archive permalink: /stream/113489-new-members/topic/Float.20division.20in.20Lean.3F.html ---
How do I make Lean compute 5/2 = 2.5?
import data.rat #eval 5 / 2 -- Lean says this is 2 because of integer division #eval 5.0 / 2 -- still 2. #eval (5 : ℚ) / 2 -- Lean says this is 5/2 because of rational division
What's your definition of 2.5? Lean's job is not really to compute.
What is the type of 2.5
?
"Floating point"? Whatever that means.
I was just expecting that there is an inbuilt floating point type. Just like int
is the inbuilt integer type.
You understand that int
is nothing like a C integer, right?
There are some things in data.fp.basic
but its not used particularly much, so I doubt it is advanced as you'd like!
Can you precisely define which type you are talking about? Because if not then your question is meaningless.
There's a builtin native.float
, but it's a meta type implemented in C++. (This is likely not what you're looking for.)
My point is simply that there are many answers to the question "what does 2.5 mean" and if we don't know precisely what we're talking about then the question is ill-formed.
Kevin Buzzard said:
You understand that
int
is nothing like a C integer, right?
No! So far I was under the impression that int
is like C (CS) integer and nat
more like Peano (math) numbers.
So I was expecting a similar kind of analogue for floating point
and real
.
Lean knows exactly what 2.5 means. It means 5/2 :)
import data.fp.basic def my_cfg : fp.float_cfg := { prec := 3, emax := 4, prec_pos := by norm_num, prec_max := by norm_num } #eval @fp.of_rat_dn my_cfg (5/ 2 : ℚ) --(#2 #0 #2147483646 #1)
int
is just like nat
, it's arbitrary precision and designed for proving, not computing.
import data.real.basic noncomputable def x : ℝ := 2.5
There's a 2.5, but you're going to have real trouble computing with it ;-)
nat
is Peano math naturals, i.e. naturals defined by axioms, int
is integers defined by axioms, rat
is rationals defined by axioms, real
is reals defined by axioms. The last one involves a noncomputable construction so #eval
and #reduce
are unlikely to be able to do anything.
Okay. All these answers make sense to me now.
Having said that, should Lean have the ability to do floating point calculations for the sake of it? I can do it in Haskell and Python. So I want to do it in Lean too.
Lean is not designed for computing.
Then should we call it a programming language?
You can do all the fp calculations you want(*) with native.float
.
You just can't prove anything about them.
The reals are intrinsically noncomputable.
You could say Lean is designed for computing proofs
you can prove lots of things with them but can't compute anything. You can do this though:
import data.real.basic example : (2.5 : ℝ) = 5/2 := by norm_num
but I didn't compute anything there, I proved a theorem.
You _can_ program with lean, but the types you use to do so are (often) different to those you prove things about.
Rob Lewis said:
You can do all the fp calculations you want(*) with
native.float
.
Got it! I think that is what I wanted. I want the choice to compute. I understand proving things about floating points would be worthless :slight_smile:
It's certainly not worthless, just hard!
Stuff like associativity is true for ℝ
but is false for native.float
:-)
Sylvie Boldo and others have done a lot of work in Coq on this.
buzzard@bob:~$ python Python 2.7.17 (default, Nov 7 2019, 10:07:09) [GCC 7.4.0] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> N=(10.0)**20 >>> e=(10.0)**(-20) >>> M=-N >>> (M+N)+e==M+(N+e) False >>>
I remember reading something about a property weaker than associativity that floating point does have
non-associativity
I think addition and multiplication are commutative, ignoring NaNs for a moment.
You can check this with dec_trivial
stackexchange seems to suggest that even a + b == a + b
is not 100% guaranteed
Maybe there's some property weaker than equality that floating point does have
a + b == a + b
can be false if a or b are NaN
>>> 100*(0.1+0.2)==100*0.1+100*0.2 False
rofl it's not even a distrib
. How you guys can work with this object is beyond me.
>>> 100*0.1+100*0.2 30.0 >>> 100*(0.1+0.2) 30.000000000000004 >>>
It's good for things that don't need exact results. Definitely not a good fit for a theorem prover though
lean4 has a float type: https://github.com/leanprover/lean4/blob/master/src/Init/Data/Float.lean
I just wish I'd remember what the property/equality I saw before was
It's very interesting to verify error bounds in fp computations though.
Filip Szczepański said:
I just wish I'd remember what the property/equality I saw before was
Hopefully it is https://en.wikipedia.org/wiki/Power_associativity at least
I haven't checked, but I'd actually bet that floating point isn't power associative
Yeah, it isn't.
from math import pi (pi*pi)*(pi*pi) == pi*(pi*(pi*pi))
This returns false
Yeah, "in which order should I sum numbers" is like numerics 101.
Add them forwards and then backwards, and average the results. I mean it was good enough for Gauss
Marc Huisinga said:
lean4 has a float type: https://github.com/leanprover/lean4/blob/master/src/Init/Data/Float.lean
Looks interesting. But still looks like it is meant for proving theorems, not for pure number crunching.
Quite the opposite. I think that's roughly equivalent to native.float
in Lean 3. It's just exposing C++ floats.
(i should probably read the topics i reply to so i don't constantly repeat things other people just said :sweat_smile:)
I guess all those lean constants in that code just mean "Lean doesn't actually know anything about this function" and then the extern tags must mean "...but if you want me to evaluate it in some way then I'll use this C++ function"
I know this is a very naive question, but can one guarantee that these external function calls will always return the same answer? They don't depend on some other parameters which might change depending on what you're doing?
Oh -- judging by the commit message these are C floats not C++ floats
So how will that code work? Will I be able to do #eval Float.sin (3.141)
?
there seems to be a small test file here:
https://github.com/leanprover/lean4/blob/master/tests/compiler/float.lean
That file was last edited with a commit which removed decidable equality. Could this be because if you use C < to decide < and C = to decide = then you can deduce a contradiction?
my guess is that it's because float equality is really badly behaved. after all, nan is not equal to nan
ah yes, the commit message confirms it: https://github.com/leanprover/lean4/commit/705530b62bc23b47c0ba9baa8e199ab376b8fd7b
do we know what beq
is supposed to mean?
Reid Barton said:
do we know what
beq
is supposed to mean?
Ah okay, I guess b
means bool
here too then (like in band
etc.)
Ha ha you computer scientists shouldn't be allowed to use the sacred terms + and = on your silly floats
You should choose your favourite emojis and use those instead to remind us all about what you're really doing with your code
You should switch to the p-adic numbers, the error bounds are far better behaved
That is one of the funniest commit messages I've ever seen
You should just let NaN be zero like in Lean. It works fine!
0/0 = 0 in Lean?
Sure
Mathematicians took an oath never to divide by zero so the computer scientists just defined it to be something convenient
Actually for all I know 0/0=37
All I know is that it's a number
Because the type of /
is a->a->a
Maybe it should be a->a->Maybe a
Or a->NonZero a->a
That would be a nightmare to work with
Both would
What we have is the best solution, convenient and simple
The nonzero assumptions are in the theorems not the definition
there's that famous javascript WAT talk (https://www.destroyallsoftware.com/talks/wat), i'm sure kevin would be able to hold a talk like this about theorem prover langs
How does it avoid contradictions like 0=1?
What's an example derivation of 0=1
that you have in mind?
Note that you won't be able to prove anything like:
example (a b c : nat) : a / c = b / c → a = b := sorry
Right, not with flooring division. I was thinking about rationals
The same statement with rat
is also unprovable without a c ≠ 0
hypothesis.
Kevin Buzzard said:
Mathematicians took an oath never to divide by zero so the computer scientists just defined it to be something convenient
I think this is one instance where your conflation of "computer scientists" and "non-number theorists" might be misleading. The actual computer scientists, the ones who write programming languages and computer architectures, have almost universally decreed that x/0 = exception
however this plays absolute havoc in a theorem prover
it's even a problem in compilers, where there is abstract semantics of the language and x/y has to be considered a "side effecting" operation, which means that x/y + z/w
might not have the same behavior as z/w + x/y
, that is, they are not extensionally equal as programs
Kevin Buzzard said:
So how will that code work? Will I be able to do
#eval Float.sin (3.141)
?
I tried it but I got result type does not have an instance of type class 'HasRepr' or 'Lean.HasEval'
instance : HasRepr Float := { repr := Float.toString } #eval (Float.sin 3.14) -- 0.001593
What is HasEval
?
it looks like mainly a convenience thing
https://github.com/leanprover/lean4/blob/master/src/Init/System/IO.lean#L319
so that #eval
more or less matches the behavior of the ghci repl for example, where you can give it either a plain expression or an IO action
Kevin Buzzard said:
You should switch to the p-adic numbers, the error bounds are far better behaved
We've got a better representation, but IEEE floats are pretty entrenched. I'd bet on posits or some variation becoming the new standard, though. They're already being used in custom FPGA work.
https://www.johndcook.com/blog/2018/04/11/anatomy-of-a-posit-number/
well, standard.. maybe... in 30 years. The x86 and IEEE 754 mafia is strong
I guess the billions of dollars sunk in existing FPU designs might have something to do with it too.
One of the original scientists who specified floating point numbers has a hot take on posits. Spittin' fire! Would recommend reading if you're absolutely bored from staying indoors all day: https://people.eecs.berkeley.edu/~wkahan/EndErErs.pdf
{% endraw %}Last updated: Apr 24 2020 at 19:02 UTC


This project is a Scala puzzle framework. Example implementations for puzzles like Sudoku, Hi-Q, One Tough Puzzle, Rubux Cube, Tantrix, and others, are provided.
Download this zip file and unzip it. Then in the bin directory run one of commands indicated below. Since these commands do not require arguments, you can just double click on them in the file explorer to run them.


About/Bio
Thank you for stopping by to view my site. I am a learning developer that is excited about the possibilities, creativity and adventure coding and programming make available. While most of my professional work has been in the field of education, I am currently working and studying dilligently to acquire the ability and experience necessary to transition into a career in development. This site, created using an awesome template by uiCookies, is a work in progress, that will evolve and improve as I continue to learn and improve as a developer. So please continue to check it out! Thanks again for stopping by! And thank you uiCookies! 🙏


Pixels, Please
An image loading module for graphics applications.
Pixels, Please provides an asynchronous, non-blocking image processing pipeline that accepts an image file and outputs a Buffer of raw pixel data. The pipeline is intended to support the use case of loading an image file into an OpenGL texture.
npm install --save pixels-please
yarn add pixels-please
- Installation requires node-gyp.
Examples
const Pipeline = require('pixels-please');
Pipeline(imageFilename)
.bytes({format: 'argb'})
.toBuffer()
.then(buffer => {
// ...
});
const Pipeline = require('pixels-please');
let buffer = Pipeline(imageFilename)
.bytes({format: 'argb'})
.toBufferSync();
Image Formats
| Extension | Limitations |
|---|---|
| .jpg | baseline & progressive (12 bpc/arithmetic not supported, same as stock IJG lib) |
| .png | 1/2/4/8 bits per channel |
| .tga | None |
| .bmp | non-RLE, non-1bpp |
| .psd | composited view only, no extra channels, 8 bit-per-channel |
| .gif | animated not supported |
| .hdr | radiance rgbE format |
| .pic | None |
| .ppm | binary only |
| .pgm | binary only |
License
Code is under the MIT License.


About
Innovative self-taught solution seeker. Excited to be challenged with different problems to solve my career as a web developer. I am ambitious, adventurous, assiduous, passionate.
Salesforce Developer & Fullstack Web Developer.
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
- Birthday: 26 December 2000
- Website: My github profile
- Phone: +359<PHONE_NUMBER>
- City: Lozen, Sofia
- Age: 20
- Degree: Mid-level Developer
- Email<EMAIL_ADDRESS>- Freelance: Available
Officiis eligendi itaque labore et dolorum mollitia officiis optio vero. Quisquam sunt adipisci omnis et ut. Nulla accusantium dolor incidunt officia tempore. Et eius omnis. Cupiditate ut dicta maxime officiis quidem quia. Sed et consectetur qui quia repellendus itaque neque. Aliquid amet quidem ut quaerat cupiditate. Ab et eum qui repellendus omnis culpa magni laudantium dolores.
Resume
Salesforce Certified Technical Solution Developer with 2+ years of experience in online stores development. Expert in SEO, WEB services, NodeJS, Angular, Heroku, Bootstrap. Previous duties include integration of different functionalities including third parties in online stores with thousands of users.
Sumary
Stefan Kalenderov
Innovative and deadline-driven Web Developer with 2+ years of experience developing user-centered online stores from initial concept to final, polished deliverable.
- Sofia, Bulgaria
-<PHONE_NUMBER>
-<EMAIL_ADDRESS>Education
UKTC - National professional gimnasy of computer technology and systems, Pravets
2015 - 2019
UKTC - National Professional Highschool Of Computer Technology And Systems, Pravets
This is the best school in the country. Those were my golden years of my life there we were free and I learned to be independed of my family. I was learning programming outside of school subjects.
Bachelor of computer science
2020 - Present
UniBIT - University Of Library Studies and Information Technologies, Sofia
At the moment I'm first year in the Bachelor program and I'm impressed and pleased by this university. I chose this university over other mainstream universities because of it's study program and special disciplines
Professional Experience
Mid-level Salesforce Developer in TTSoft
2019 - Present
Sofia, Bulgaria
- Lead in the design, development, and implementation of the graphic, layout, and production development materials.
- Delegate tasks to the 5 members of the team and provide counsel on all aspects of the project.
- Making code reviews with the team, giving help where needed.
- Oversee the efficient use of production project budgets ranging from $5,000 - $50,000.
- Giving accurate tasks estimates to the clients.
- Always ready to answer any questions, give estimates and say how to implement new functionality.
- Give technical details to the other team members, make plan of how to implement third parties.
- Work with API's and read docummentation.
- Ability to solve complex problems on Development during big sales with users orders overload.
- Implement Payment systems in the Salesforce SFRA architecture.
Services
I utilize my expertise and passion to build solutions to empower small businesses and inventive entrepreneurs to automate operations, remote workplaces for employees, integrate and upgrade novel and legacy systems, or build from conception to delivery that drive measurable results for renowned industry.
Seo Optimization
Voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident
Market analytics
I provide end-to-end delivery from a Business/Technical consulting and design stage to product support.
Ecommerce
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur
Code Optimization
Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum
Cloud Development
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque
Hot Estimates
Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi


X Variable: Count of English Learner Students Count of At Risk Students Sum Enrollment
Y Variable: Count of English Learner Students Count of At Risk Students Sum Enrollment
Color By: Truancy Count Truancy Percent Graduates/Truancy Graduates
Year: SY 2013-2014 SY 2014-2015 SY 2015-2016 SY 2016-2017
Choropleth Neighborhood Variable: SY 2013-2014 SY 2014-2015 SY 2015-2016 SY 2016-2017
Choropleth Ward Variable: SY 2013-2014 SY 2014-2015 SY 2015-2016 SY 2016-2017
Update Dashboard


Before Change
fnames = ["asas_training_subset_classes_with_metadata.dat",
"asas_training_subset.tar.gz", "testfeature1.py"]
for fname in fnames:
fpaths.append(os.path.join(os.path.dirname(__file__),
os.path.join("data", fname)))
for fpath in fpaths:
shutil.copy(fpath, cfg.UPLOAD_FOLDER)
After Change
fnames = ["asas_training_subset_classes_with_metadata.dat",
"asas_training_subset.tar.gz", "testfeature1.py"]
for fname in fnames:
fpaths.append(pjoin(DATA_PATH, fname))
for fpath in fpaths:
shutil.copy(fpath, cfg.UPLOAD_FOLDER)


Ghana’s Innovation and Startup Culture Thriving
Ghana is regarded as a West African hub of invention, with growing numbers of young people looking at local solutions to local problems. In December, Ghana is hosting two conferences on innovation and technology. Stacey Knott takes a look at some of the inventors in this report from Accra.


VOTER PROJECT AIMS TO CREATE NATIONAL CONSTITUENCY OF THE MENTALLY
ILL
On the morning of the 1996 presidential election, Sharon Denny
drove to the local polling place, an elementary school in her
Houston neighborhood. On the way, she gave herself a pep talk.
``This is so important,'' she told herself. ``And it makes such a
difference to our country. You have got to go vote.''
But standing in line for the voting booth, Ms. Denny grew
anxious. What if she got inside and did not know what to do? What
if she punched the wrong holes? She broke into a cold sweat, she
recalls, and she remembers thinking, ``This is why they don't want
people with mental illness to vote, because what if I get up there
and I really want to vote for Bill Clinton and I don't, I end up
voting for Dole?''
Defeated, Ms. Denny, who has suffered from manic-depression for
35 years, returned home, her ballot uncast, as it has been in every
election since she first registered to vote 15 years ago.
But in next year's presidential election, Ms. Denny, 51, knows
that she will make it to the front of the line, and that she will
finally vote for the candidates and initiatives that she believes
in.
She is certain of this because in August she joined the Mental
Health Voter Empowerment Project, an effort to create a nationwide
constituency of people with mental illness by locating potential
voters _ whether in hospitals, at advocacy events, in housing
projects, clinics or support groups _ registering them, educating
them about mental health issues and making sure they get to the
polls on Election Day 2000.

Complicating the issue further, many politicians have only
recently become aware of mental health as a political issue: a few
even believe, mistakenly, that the mentally ill cannot vote.
A volunteer from the project will call to remind Ms. Denny to
vote, accompany her to the polling place and help her in the voting
booth, if necessary. Ms. Denny will arrive fully informed about the
candidates, and in particular about their stands on topics of
concern to the mentally ill, like equal health insurance coverage
for psychiatric illnesses, HMO reform, involuntary commitment and
financing for mental health programs and services.
An estimated 44 million Americans meet the diagnosis criteria
for some form of mental disorder, according to the National
Institute of Mental Health, and 5.6 million of those live with a
serious mental illness, like schizophrenia or manic depression.
In theory, such numbers could represent a powerful voting bloc,
one any political candidate might feel obliged to court. But people
with severe mental illness, who often subsist on disability
benefits and may spend years bouncing from psychiatric hospitals to
jails to the streets, have been ignored by politicians because they
offered neither money nor votes.
Ken Steele, who started the voter empowerment project in New
York City in 1994, said that the idea came to him after hearing a
speech by New York Gov. Mario Cuomo. In the speech, Steele
recalled, Cuomo said that his signing of a mental health bill was
``a good and compassionate thing,'' but that it was not smart
politics, because the mentally ill did not vote.
Over the next four years, Steele, a veteran of 35 years spent in
state hospitals with a diagnosis of schizophrenia, registered an
estimated 28,000 New York City voters. And 15,000 of those newly
registered voters, he and his staff of volunteers learned through
their tracking efforts, cast their votes in the November 1998
election.
Now the Mental Health Association of New York State, backed by a
federal grant and financing from a pharmaceutical company, is
expanding Steele's project throughout the state, and the Mental
Health Association of Houston and Harris County has launched its
own version of the program. The National Mental Health Association,
which has its headquarters in Alexandria, Va., will hold regional
training sessions for the project beginning this fall in Orlando,
Los Angeles and Atlanta.
``We'd like to have our issues be part of the 2000 debate,''
said Joseph Glazer, president of the New York association, ``and
the only way to get our issues to that level is to have a strong
base of registered voters and a sufficient voice so that the mental
health consumer community has to be listened to.''
Steele compared the fight for political visibility to earlier
struggles by women and African-Americans: ``This is a civil rights
movement, like those that preceded it. Every one of those movements
began with access to the vote. Until we, the mental health
consumers, are seen as a constituency of consequence, we will not
close the holes in the mental health system.''


Designed a 24-page jazz magazine as a project that I worked on about a mounth.The magazine includes two ads which I designed as well. Adobe Indesign and Photoshop has been used to create the speads. In addition to that, there is an interactive version of the whole magazine where you can navigate the speads by buttons or by dragging the speads with your mouse.


Kerela Flood Relief | Rescue Ops
Select District
Outside Kerala
All Kerala
All
All Types
All Status
Active
Inactive
Others
Enter three or more characters to search.


By default, any rotation is considered an input that will be sent immediately without the need to press the dial.
Disabling this option will only consider pressing the dial as an input, which allows changing values without sending events.
(rotating while pressing the dial will be considered an input regardless).


If you want use OTP you can get from github. How to do it?
- Install and configure your git,
- Go to terminal and write: $git clone git@github.com:jarek1402b/papercrypto.git,
- Now, when you have application, you have to compile by g++ file otp-data.cpp,
- You can use OTP.
|


--- layout: post status: publish published: true title: "送一首歌给党听：Do You Hear the People Sing?" author: Leask author_login: leask author_email<EMAIL_ADDRESS>author_url: https://leaskh.com wordpress_id: 2027 wordpress_url: https://leaskh.com/?p=2027 date: '2013-04-19 21:22:14 +0800' date_gmt: '2013-04-19 13:22:14 +0800' categories: tags: [] comments: - id: 6282 author: "老蔡" author_email<EMAIL_ADDRESS>author_url: http://www.oldcai.com/ date: '2013-07-21 21:50:44 +0800' date_gmt: '2013-07-21 13:50:44 +0800' content: "听了一下，感觉还不错。" ---
Do You Hear the People Sing?
by Les Miserables Cast. From Les Miserables
Do You Hear the People Sing? by Les Miserables Cast
ENJOLRAS
Do you hear the people sing?
Singing a song of angry men?
It is the music of a people
Who will not be slaves again!
When the beating of your heart
Echoes the beating of the drums
There is a life about to start
When tomorrow comes!
COMBEFERRE
Will you join in our crusade?
Who will be strong and stand with me?
Beyond the barricade
Is there a world you long to see?
Courfeyrac:
Then join in the fight
That will give you the right to be free!

Singing a song of angry men?
It is the music of a people
Who will not be slaves again!
When the beating of your heart
Echoes the beating of the drums
There is a life about to start
When tomorrow comes!
FEUILLY
Will you give all you can give
So that our banner may advance
Some will fall and some will live
Will you stand up and take your chance?
The blood of the martyrs
Will water the meadows of France!

Singing a song of angry men?
It is the music of a people
Who will not be slaves again!
When the beating of your heart
Echoes the beating of the drums
There is a life about to start
When tomorrow comes!


Well we'll start off with our questions today for readability I'll re-type the question for each paragraph.
What are the benefits of version control? How does git help you keep track of changes? Why use GitHub to store your code?
What are the benefits of VCS(Version Control System)?
Well there are several, but I think the best things to think about are accessability, continuity, and collaboration.
Accessability: The point of using a VCS is to be able to manage a project. For programmers, this means there are a lot of files in a lot of places. If you have a partner (which you almost always will) that creates two seperate workflows and directory flows unless you both syncronize via a VCS. You could both use a single access point without figuring out who has what and where.
Continuity: This where it gets good. Using VCS you can have several all work within that one directory and not save over each other's work. Using code commands you could grab the most recent change and work from the new starting point. It also means saving multiple versions of the same files to work without fear of irreversably damaging your code. Before you submit your code to the original, it can also be reviewed to make sure it is indeed ready for a final product. From step one to step done, everyone can work on seperate parts without overlapping; working worry free.
Collaboration: This one is short and simple. Using all the tools available, you can have a team of One Hundred work on seperate parts of a project simultaneously. Because of its accessability and continuity, creating with a team becomes vastly easier a task than without a VCS.
How does git help you keep track of changes?
To be honest, this one is short.
There are several git commands you use to keep track of changes. There are more but I will list some here:
- git log -generates a list of all changes made, when they were made, and who made them
- git status -generates a prompt of what branch you're on, whether it's up to date with its parent branch, tracked files, and untracked files
- git push -can be used to 'push' your files to the internet VCS
- git pull -can be used to 'pull' recent changes in the project to your computer
- git add -used to add untracked files to 'tracked files'
- git commit -used to add 'tracked files' to staging area before a 'push'
Why use GitHub to store your code?
Short again: I think the main reason that I like GitHub is that its system of push pull and fork(creating a copy of someone else's project) is automated to constantly notify GitHub. GitHub has a record of everything anyone has done to your code. That makes me feel secure with putting it up on the internet.
I think that's all for now, I may update when I learn more about GitHub and can give more reasons as to why it should be used, but for now I need more experience!


Software Engineer
{% include experience-props-lists/props-hd.html %}
{% include experience-skills-lists/skills-hd.html %}
I develop the company's internal native Android app in Java and C++ for controlling a remote audio device.
I also develop parts of the C++17 real-time codebase on Linux; this includes UI development with Qt and data serialisation with FlatBuffers. Besides, I am involved in package management in Python.
My work was showcased in demos that won the start-up £715,000 in funding.
Modelling & Simulation Analyst
{% include experience-props-lists/props-iq.html %}
{% include experience-skills-lists/skills-iq.html %}
I developed a script-based workflow in R for the simulation of PK/PD data to evaluate drug effectiveness. I analysed the data using a type of statistical model called an NLME model, constructed using Monolix.
Student Researcher
{% include experience-props-lists/props-ic.html %}
{% include experience-skills-lists/skills-ic.html %}
Whilst studying computational biology at university, I developed an ODE model of the cell-wall dynamics during bacterial spore formation in Matlab. I published my work in a scientific journal as lead author.


${head}
Coaches List
Select Coach
First Name
Last Name
Email
Specialty
${coaches.map(coach => `
Select
${coach.firstName}
${coach.lastName}
${coach.email}
${coach.specialty}
`).join('')}
Submit


test your Observant servant! :)
Click the button below to simulate the
observant
class by shouting out the Tout object
Shout Out


Moving your project to the latest Java can mean faster code, cheaper cloud bills, but above all, an application that cannot be hacked easily! Just by using Java 11, you can save up to 25% of heap memory, and there are many other benefits.
If you write your code to the latest Java, it would become clearer, concise, and easy to read which means less chance to produce bugs.
What We OfferDuring this course, you will be studying a lot of modern features and advanced features of java. Each major section will be explained with the hands-on exercise which could be directly applied to your production code.
Also, you will get the chance to ask any questions related to the topics.
An excellent course for those who want to take their Java skills to the next level.
This course will help one to write concise code removing verbosity using lambda and stream . It helped me to know about best practices about handling exceptions, logging, threading. One will get a clear concept of JVM memory management and Garbage Collection. One of the best things about courses taken by Bazlur Bhai is, many other relevant things can also be learned out of course content.
If you want to level up your java skills, you must know the latest API and basic things very well. Such things like - lambda functions, stream, threading, logging, JVM internal - will boost up your confidence as well as improve coding styles and efficiency. MasterDevSkills offers all of these in a single bundle. I personally learned a lot from it, which obviates much day-to-day confusion. It's a good investment when you want to specialize in yourself as an advanced java professional.
Early in my career, using C language, I used to create various Network and Mac layer protocols. On the other hand, I possess a very basic level of knowledge in Java. However, Mr. Bazlur Rahman's Advanced Java course has given me a solid foundation for further work in modern Java programming. The beauty of the course was that all the contents of the sessions emphasized practical work using crystal clear examples and careful attention to detail. More precisely saying, this course has given me a clear understanding of modern Java features like lambdas, streams, new approaches to concurrency, and, most importantly, the art of optimized coding .
On a personal level, I would say- The Training has given comfort to understand advanced Java programming to a person who possesses a very basic level of knowledge in Java. Thank you, Mr. Bazlur Rahman!!
Bazlur has more than eight years of experience coding in Java, which includes numerous projects — academic, professional, and personal.
He is currently working as a Senior Developer at Loblaw Digital, Canada. Before working here, he worked at one of the largest providers of mobile financial services in Bangladesh called bKash, where he made a significant contribution to team formation and development of several mission-critical products. One of the products has more than 10 million userbases.
In addition to his regular work, he loves to mentor, write, and contribute to an open-source project. He is also the founder and current moderator of a Java user group (JUG) in Bangladesh, where he organized technical sessions, workshops to share knowledge related to Java. Besides, he published four books on the Java programming language; one of them was on the bestseller list in Bangladesh.
LinkedIn Twitter Send Email


Hi,
My name is Zangue Wilson Meneimo. I go by the nickname Nerdy. I'm a graduate from high school and I'm a programmer who loves to one day become a software engineer, though currently doing a civil engineering course. I've keen interest on Andriod development, Web development & Windows Development. In my spare time, I contribute to open source projects.
When i'm not debugging, I take out time to help my mom in her tailory workshop, in which too I learned how to Design clothes. I've some of my Designs on My Designs


Hostile User Design
This page is a concept based on hostile architecture
Home
Hostile UX
Frustrating Forms
Combative Captcha
About
Please verify that you are not a robot
I am not a robot!
Submit


Genetic Variation Within Populations
Notes
Genetic Variation in a Population Increases the Chance that Some Individuals Will Survive=- Natural selection acts acts on different phenotypes in a population
- The greater the variation in phenotypes, the more likely it is that some individuals can survive in a changing environment
- Genetic variation is stored in a population's gene pool—the combined alleles of all of the individuals in a population
- An allele frequency is a measure of how common a certain allele is in the population
- Genetic variation comes from two main sources: mutation and recombination
- Mutation A mutation is a random change in the DNA of a gene. This change can form a new allele. Mutations in reproductive cells are passed on to offspring. This increases the genetic variation in the gene pool.
- Recombination New allele combinations form in offspring through a process called recombination. Most recombination occurs during meiosis—the type of cell division needed for sexual reproduction. When gametes are made, each parent's alleles are arranged in different ways.
Questions
-
Why does genetic variation increase the chance that some individuals in a population will survive?
Answer: Genetic variation can be caused due to random mutation or recombination, which may allow different animals to survive in different areas of a population. -
Describe two main sources of genetic variation.
Genetic variation comes from two main sources: mutation and recombination
- Mutation A mutation is a random change in the DNA of a gene. This change can form a new allele. Mutations in reproductive cells are passed on to offspring. This increases the genetic variation in the gene pool.
- Recombination New allele combinations form in offspring through a process called recombination. Most recombination occurs during meiosis—the type of cell division needed for sexual reproduction. When gametes are made, each parent's alleles are arranged in different ways.


|
from$ = valid path/filename to the file to be copied
to$ = valid path/filename to copy the file to |
| Use this command to copy a file from one location to another. Perhaps you'll write your own installer and need to copy files from the installation folder to the installed location folder. Make sure you do your own validation to ensure that the files/paths are valid and accurate before executing this command. |
|
file$="c:autoexec.bat"
destination$="a:autoexec.bat" Print "Press any key to copy your Autoexec.bat file to floppy" WaitKey() CopyFile file$,destination$ |


Well the first thing you know ol' Jeds a millionaire
Since we're together They're creepy and they're kooky mysterious and spooky. They're all together ooky the Addams Family! Well we're movin' on up to the east side. To a deluxe apartment in the sky. The ship set ground on the shore of this uncharted desert isle with Gilligan the Skipper too the millionaire and his wife. black gold; So lets make the most of this beautiful day. Since we're together.
That this group would somehow form a family that's the way we all became the Brady Bunch. Well the first thing you know ol' Jeds a millionaire.
Beats all you've ever saw been in trouble with the law since the day they was born. I have always wanted to have a neighbor just like you. I've always wanted to live in a neighborhood with you. Goodbye gray sky hello blue. There's nothing can hold me when I hold you.


Brazilian judge orders arrest of former Paraguayan President Cartes
SAO PAULO (Reuters) - A Brazilian judge has issued an arrest warrant for former Paraguayan President vin a new phase of the “Car Wash” probe, targeting black-market money dealers, according to a Justice statement on Tuesday.
The warrant against Cartes, who was president of Paraguay from 2013 to 2018, is already in the red notice of Interpol, the court added. Interpol describes a red notice as a request to law enforcement worldwide to locate and provisionally arrest a person pending extradition, surrender, or similar legal action.
The arrest warrant is part of a new phase of the “Car Wash” probe called Patrón, which targets black-market money dealers. According to the Justice, Carters, whose whereabouts was not immediately known, has connections with the black-money dealers.
The Federal Police said in a statement that the operation is intended to crack down on money laundering.
Reuters has not been able to contact Cartes yet.


Nottingham Forest injury list in full as busy Championship fixture list continues with QPR clash
Nottingham Forest injury news | The Reds have a number of players nearing a first team return, so here's the latest updates ahead their midweek clash with QPR
by Barry Cooper, Tom LeachNottingham Forest can strengthen their Championship promotion credentials this week as they lock horns with a familiar friend on Wednesday.
Forest return to action after the international break by battling a goalless draw with Bristol City as Ashton Gate and the busy Championship fixture list will now continue as they play host to Mark Warburton's QPR.
But what starting XI will Sabri Lamouchi name to face the R's?
Here, in our injury and suspension list, we'll update you each week on the absentees, potential return dates and thoughts of the man in the dugout.
Nottingham Forest latest
This is your round up of all things Forest; the one-stop shop that will keep you updated on the latest goings on at the City Ground and beyond.
Transfers, injuries, match-days and managers, we’ve got you covered.
We’ll be bringing the very latest on the Reds throughout the week and around the clock.
Make sure you keep yourself updated with our handy daily catch up...
Must reads...
- Lamouchi's verdict on Hefele
- Injury update ahead of Bristol City
- Could Reds 'target' be on the move?
- The challenges of delivering Marinakis' vision
For all your latest NFFC news, opinion, analysis and transfer gossip, click here
You can follow our Reds reporter Sarah Clapson on Twitter, and her email address is<EMAIL_ADDRESS>SUSPENSIONS
Forest don't currently have any suspensions.
Though, Samba Sow is just one yellow card away from a one-game suspension with four yellows to his name, and Sammy Ameobi is two away with three accumulated.
INJURIES
Tendayi Darikwa
Injury: ACL
Darikwa suffered a devastating blow, rupturing his Anterior Cruciate Ligament in the lead up to the new season.
He won't be back until some time next year.
Last match played: Zimbabwe 0-4 DR Congo - 30 June, 2019
Potential return date: 2020
What Lamouchi said in August: “Darikwa is having an operation, so we will be missing him for about six months.”
Alfa Semedo
Injury: Back
Alfa Semedo suffered an injury in Forest's win over Barnsley.
Back in full training but likely to miss the visit to Ashton Gate.
Last match played: Nottingham Forest 1-0 Barnsley - 21, September 2019
Expected return date: Any time now.
What Lamouchi said: “It has been a very good week, with players back, like Alfa Semedo, Carl Jenkinson, Yohan Benalouane and Michael Hefele."
Samba Sow
Injury: Hamstring
Sow, who has impressed so far this season, picked up a hamstring injury in the win over Brentford earlier this month.
Forest will have fingers crossed his return isn't too far into the distant future. The player himself has issued a message on social media.
Last match played: Nottingham Forest 1-0 Brentford - 5, October 2019
Nottingham Forest on social media
If you want to follow all things Forest via social media then this is the place to find out how.
Transfers, injuries, match-day videos and photos and the thoughts of the manager and his players, we’ve got you covered.
We’ll be bringing the very latest on the Reds throughout the week and around the clock.
Make sure you keep yourself updated with our trio of social media accounts...
The Reds on social media...
Facebook: News debate and nostalgia
Twitter: All the latest Reds news as it happens
Instagram: Behind the scenes photo and video, plus Forest nostalgia
For all your latest NFFC news, opinion, analysis and transfer gossip, click here
You can follow our Reds reporter Sarah Clapson on Twitter, and her email address is<EMAIL_ADDRESS>Expected return date: Imminent.
What Lamouchi said: "The physio room and the dressing room are very close, so they are always with us.
“But to train with us, to travel with us, to stay during the game and the weekend with us is totally different."
Carl Jenkinson
Injury: Ankle
Jenkinson missed the entirety of September after suffering an ankle injury in the draw against Preston.
Lamouchi has said that the full-back is "close" to returning to a comeback.
Last match played: Forest 1-1 Preston - 31, August 2019
Expected return date: Back in training
What Lamouchi said: “Dawson, Semedo, Jenkinson, Benalouane and Hefele, they made all the sessions with us this week. But it is so early for them.”
Yohan Benalouane
Injury: Hip
Benalouane hasn't featured for Forest since April following a hip injury.
But he is set to return in the coming weeks, and Lamuchi has confirmed that the defender has returned to training after surgery.
Last match played: Sheffield United 2-0 Nottingham Forest - 19, April 2019
Expected return date: After the international break
What Lamouchi said: “Dawson, Semedo, Jenkinson, Benalouane and Hefele, they made all the sessions with us this week. But it is so early for them.”


Miorc
Midi orchestra
Author
Affiliations
- Faculty of computer science, "Alexandru Ioan Cuza" University of Iași — Iași, Iași, România
Concepts
HTML
- HTML , by Tim Berners-Lee ; published in (accessed on ) .
-
Hypertext Markup Language (HTML) is the standard markup language for creating web pages and web applications. With Cascading Style Sheets (CSS) and JavaScript, it forms a triad of cornerstone technologies for the World Wide Web
CSS
- CSS , by Håkon Wium-Lie ; first proposed in (accessed on ) .
-
Cascading Style Sheets (CSS) is a style sheet language used for describing the presentation of a document written in a markup language like HTML. CSS is a cornerstone technology of the World Wide Web, alongside HTML and JavaScript.
JavaScript
- JS , by National Center for Supercomputing Applications, University of Illinois at Urbana-Champaign — Urbana and Champaign, Illinois, U.S. ; published in (accessed on ) .
-
JavaScript, often abbreviated as JS, is a high-level, interpreted programming language. It is a language which is also characterized as dynamic, weakly typed, prototype-based and multi-paradigm. Alongside HTML and CSS, JavaScript is one of the three core technologies of the World Wide Web.
GitHub
- GitHub , by GitHub Inc., Microsoft Corporation — San Francisco, California, U.S. ; started in (accessed on ) .
-
GitHub Inc. is a web-based hosting service for version control using Git. It is mostly used for computer code. It offers all of the distributed version control and source code management (SCM) functionality of Git as well as adding its own features. It provides access control and several collaboration features such as bug tracking, feature requests, task management, and wikis for every project.
Our implementation using these concepts
-
First steps
- Down here you can see a sketch we made before starting to work.
-
For code management we chose Git and the tool we used GitHub
-
Now some sneaky peaks inside our code
-
Final product
Users will be able to login/register with or without facebook(quick method).
And the ultimate goal for this project is to develop an application in which the users can easily compose their own music and mix it with other songs.
-
Project Structure
A basic flowchart of our application
Login
Database
There will be 2 tables:
- Users: composer, orchestra master
- Songs: 2 possible representations (as a "song" / as notes project - unprocessed audio )
UML
-
UML in detail
Mixer component
💨 It keeps a list of user's scores and a list of instruments from which the user can select
Methods:
- ✔ AddScore() ➡ extends the scores with 8 note columns
- ✔ Play() ➡ renders current state of the project and plays it
- ✔ Pause() ➡ pauses playing
- ✔ changeBpm() ➡ changes the BPM for each note
- ✔ Save(String songName, String instrumentName) ➡ saves the state of the project to the database and renders the song so that it can be loaded in the orchestra
- ✔ Load(String songName) ➡ takes the project state of the selected song from database
- ✔ ChangeName(String name) ➡ changes song name
- ✔ ChangeInstrument(String instrumentName) ➡ changes the notes according to the instrument
Score component
💨 Keeps a representation of each note, repeated 8 times
Methods:
- ✔ Add() ➡ event firing note selection
- ✔ Remove() ➡ event firing note deselection
Orchestra component
💨 It keeps a list of user selected tracks for playing together
Methods:
- ✔ AddTrack(String trackName) ➡ adds new track to the list
- ✔ RemoveTrack(trackName) ➡ removes track from the list
- ✔ PlayAll()/PauseAll() ➡ plays/pauses the orchestra (all tracks simultaneously
- ✔ Play(trackName)/Pause(trackName) ➡ plays/pauses the preview of a track
- ✔ changeBpm() ➡ changes the volume at which the track plays
- ✔ changeVolume(trackName) ➡ changes the volume at which the track plays
- ✔ changeTheme(trackName) ➡ changes the theme of the application (these could be a service for the whole app)
Track component
✔ Audio "object"/ render result after Save() from the mixer
TrackList component
💨 It keeps a list of all available tracks from the instrument list
Methods:
- ✔ ChangeInstrument(instrumentName) ➡ when the user chooses another instrument it fires an event which changes the list of tracks visible
-
Patterns used
👀 IIFE ➡ immediately invoked functions used for models creating
Mostly, them will create our components where needed. Examples:
- ✔ createTrackList()
- ✔ createCard()
👀 Observer ➡ observes the modifications of tracks (new track saved, existing track edited, deleting track) and notifies TrackList
👀 Module Pattern ➡ for Score component and any other only function editable component
-
Storage
👀 Cloud ➡ Microsoft Azure/ NoSQL/ AWS
👀 localStorage/sessionStorage ➡ keeps the state of the currently produced song in mixer
Implementation
-
The application has 2 main pages:
- The mixer page
Implementation:
- Midi.js library is quite old , and hasn't been updated in over 4 years so there are a lot of deprecated stuff in it , from loading an audiocontext immediately after load to non working functions
- The note sheet representation changed 2 times , until i stuck with the current one which is a canvas . Why i chose a canvas ? Because i found it really easy to get the coordinates of mouseclick rather then see which element the user clicked
- Even thou the 2 mentioned raised some difficulties , they can't compare with the REST api , for which i decided to use node js , without any experience on the backend side this proved to be quite difficult , so we ditched it and used firebase which proved to be quite a good solution
Problems:
- The orchestra page
Implementation:
- Midi js shows its age again , laking the ability to pause a song
- The stop all notes from playing wasn't working had to change stuff inside the library
- Sometimes the change instrument action doesn't register
Problems:
-
Testing:
All test were done manually , from application responsiveness on mobile devices to composing , playing and uploading songs; -
Now the big question
CAN IT BE USED??
Yes the application works just fine but there are a few bugs which can ruin the experience
Mixer page:- The interface is although working just fine , quite ugly to look at
- There are a limited number of notes which can be played
- You cant pause the song just stop it
Problems:
Concert page:
- The interface is although looks better then the mixers it still needs improvement
- There are a limited number of songs which can be added
- You cant pause a song just stop it
Problems:
- The mixer page