Information to help you get started on ERPNext
There are many ways you can start using ERPNext, either on your own machine or on a remote machine or on the cloud.
{{ media("Download Virtual Machine", "Use ERPNext on your current machine by downloading the pre-set Virtual Machine. The Virtual Machine is updated daily and contains both the developer and production versions", "manual.png", "https://erpnext.com/download") }} {{ media("Install and Setup Bench", "Bench is the tool you need to setup and manage ERPNext instances on your machine. To start a fresh install on a new machine or VM, just run the bench easy install on a fresh Linux installation (Ubuntu/CentOS/Debian). Warning: You need to be familiar with the Linux command line", "manual.png", "https://github.com/frappe/bench") }} {{ media("Sign up on ERPNext.com", "ERPNext.com offers 1 user free for unlimited time. It is a great way to quickly evaluate ERPNext for the first time.", "manual.png", "https://erpnext.com/pricing") }}ERPNext is easy to get started, if you are looking for specific functionality, dive into the user manual, or just search using your favorite search engine
{{ media("User Manual", "Deep dive into ERPNext functionality with the ERPNext manual. Covers all issues regarding setup, operations and customizations", "manual.png", "https://frappe.github.io/erpnext/user") }} {{ media("User Fourm", "Get help from the 3000 strong user community. Remember to introduce yourself and search before posting a query", "forum.png", "https://discuss.erpnext.com") }} {{ media("Help Videos", "More than 50 videos explaining features, using ERPNext, detailed webinar recordings, tutorials and much more", "video.png", "https://youtube.com") }}ERPNext is built on the Frappé Framework, a full stack web framework built in Python, Javascript on top of MariaDB, Node and Redis. To contribute fixes or built modules, it is recommended you go through the tutorial of Frappé Framework and make yourself familiar with its concepts.
{{ media("Source Code", "All of ERPNext and Frappe code is actively maintained on GitHub. Star the repo, fork it, report issues and contribute using pull requests", "repo.png", "https://github.com/frappe/erpnext") }} {{ media("Frappé Framework", "ERPNext is built on the Frappé Framework, a full stack web application framework built on Python, JS, MariaDB, Redis and Node. Frappé allows you to extend ERPNext and build nifty extensions", "frappe-bird-black.svg", "https://github.com/frappe/frappe") }} {{ media("Frappé Tutorial", "This step by step tutorial will help you build a simple application using Frappé, helping you explore its structure and meta-data driven modeling", "manual.png", "https://frappe.github.io/frappe/") }}


Even though I modified the code, removed all of block data and re-synced the blockchain, both KMD and ARRR pool don't work properly.
~/komodo/src/komodo-cli -ac_name=PIRATE getblocktemplate
{
"capabilities": [
"proposal"
],
"version": 4,
"previousblockhash": "00000000283bb40da37e3562d813b1df3709ee8f9e9b420d2ac9cb80151749a6",
"finalsaplingroothash": "02b3fbd8f303e1c3bd1b204218c8e8c0cef0edd7d16a8bf06dce082def0f1c61",
"transactions": [
],
"coinbasetxn": {
"data": "0400008085202f89010000000000000000000000000000000000000000000000000000000000000000ffffffff0503d3c80600ffffffff010080f0fa0200000023210292ed0d1ed4a9a1c9d5be60177ac12230b1723799b3ae13e02e1267cd2e25a688ac9b21235d000000000000000000000000000000",
"hash": "cd1b300f9c6d2b680502276652a1f89fa77f7de888fd8cb3cc64dd04ee609d2b",
"depends": [
],
"fee": 0,
"sigops": 1,
"coinbasevalue":<PHONE_NUMBER>0,
"required": true
},
"longpollid": "00000000283bb40da37e3562d813b1df3709ee8f9e9b420d2ac9cb80151749a6276569",
"target": "0000000054833a00000000000000000000000000000000000000000000000000",
"mintime":<PHONE_NUMBER>,
"mutable": [
"time",
"transactions",
"prevblock"
],
"noncerange": "00000000ffffffff",
"sigoplimit": 60000,
"sizelimit": 4194304,
"curtime":<PHONE_NUMBER>,
"bits": "1c54833a",
"height": 444627
}


Thanks for using INSPINIA
Anna Smith
Invoice #12345
June 01 2015
Service 1
$ 20.00
Service 2
$ 10.00
Service 3
$ 6.00
Total
$ 36.00
View in browser
Company Inc. 123 Van Ness, San Francisco 94102


3. Examples¶
The following are a few examples showing the usage of EE-UQ. Video companions showing these examples are also provided. The files for the examples are available in Github.
This example takes a brief look at uncertainty quantification in a three story shear frame subjected to earthquake loading.
This page shows two examples on how to incorporate spatial variability into UQ analysis by using various special materials, namely ElasticIsotropic, PM4Sand, and PDMY03, in Site Response option under EVENT tab.
This example shows how to select ground motion records and run nonlinear time history analysis for the OpenSees/tcl model of interest.
This example demonstrate the use of a python-based computation platform to automate seismic desing and analysis of of steel moment resisting frames (AutoSDA) ([GBS20]).
This example considers the problem of uncertainty quantification in a three story shear building where the ground shaking is represented by sythetic ground motion records based on two methods; Vlachos, Papakonstantinou and Deodatis (2018), and Dabaghi and Der Kiureghian (2018).
This example demonstrates using a novel method, Probabilistic Learning on Manifolds (PLoM), to develop surrogate models for structural responses under earthquake ground motion inputs.
This example demonstrates using pre-trained Gaussian Process (GP) model to get target response spectrum for ground motion selection and scaling.
This example demonstrates defining multiple models of the structure's behavior, and using multiple options to perform time history analysis to obtain EDPs commonly used in seismic risk analysis.
This example shows how to train a surrogate model that can be imported into EE-UQ and replace structural dynamic simulations.
This example demonstrates the training of Gaussian Process (GP) model to predict the peak seismic response


--- layout: post title: "Placement Students Analysis" subtitle: "What is the probability to get a placement?" date: 2020-12-28 16:50:00 +0100 background: '/img/posts/07.jpg' ---
This is my first little work that i did by myself, for make some exercises with the PowerBI dashboard generations analyzing a real world problem. As i did this work during August 2020, i also exercise myself with SQL, trying to do some data rapresentation with SQL queries and using a local SQL database.
You can download the pdf of the work here


BY EDWIN JAHIEL
MEN WITH GUNS (HOMBRES ARMADOS) (1997) *** 1/2. Written, directed, and edited by John Sayles. Photography, Slawomir Idziak. Production design, Felipe Fernandez Del Paso. Costumes, Mayes C. Ribeo. Original music,Mason Daring. Music supervision, Tom Schnabel. Cast: Federico Luppi (Dr. Fuentes), Damian Delgado (Domingo, the soldier), Dan Rivera Gonzalez (Conejo,the boy), Damian Alcazar (Padre Portillo,the priest), Mandy Patinkin (Andrew), and Kathryn Grody (Harriet), et al. A Sony Pictures Classics release.In Spanish, English and Indian languages. 128 minutes.Rated R (violence)
That prince of independent writer-directors, John Sayles, has created a Latin American country. In cinema, imaginary lands are common and generally located in central-to-eastern Europe. Like the kingdom of the much-remade swashbuckling romance "The Prisoner of Zenda"; like the kingdom of "Ruritania" in mostly operettas or comedies.
More rare, more important and far less fanciful are the anonymous countries of reality-based political films. The master of this is the Greek-born French director Costa Gavras. His powerful "Z" and "State of Siege" were, respectively (and most transparently), Greece and Uruguay. The first was filmed in Algeria, the second in Chile.
"Men with Guns" was made in Mexico, with a large majority of Latino crew and cast, including some players who had never seen a movie. Unlike the Ruritanian flicks, the unnamed country is all too believable. Sayles made a composite of several Latin American countries, with a stress of Central America -- El Salvador and Guatemala. But beyond the New World, the substance of "MWG" can apply to other continents from Europe (e.g. Bosnia) to Africa or Asia, to any land where there are men with guns.
In the capital, Dr. Fuentes, recently widowed and suffering from a tricky heart, is thinking of retirement. Played by Argentinean star Federico Luppi, the serious, distinguished, white-haired doctor kept reminding me of John Thaw, the Inspector Morse of television.
Upper-class Fuentes is not too politically informed, partly, says the subtext, because like many a good person, he did not go the extra mile of wanting to know. What the aging man wanted is to leave a legacy. This took the shape of training a select group of his students who have now gone to bring health to remote, Indian-populated places.
The doctor toys with taking a vacation by visiting those students. His decision is firmed up by a chance meeting, in the city, with one of his alumni who gives him bad news and calls him the smartest (read: professionally) yet dumbest (read: politically) person he has ever known.
To find out what dire things happened (or may have happened) to his protégés, Fuentes, exchanging his Mercedes for his son's four-wheel-drive, takes off on a search that becomes one of shocking discoveries. One after the other, he meets Indian people who survive in terrible conditions, suffer from acute malnutrition, starvation, diseases -- and execution by men with guns, the army. There are other men with guns, small groups of guerrillas, who (for just reasons) fight the soldiers. It's as vicious and deadly a circle as can be. The army will execute villagers who may have aided the guerrillas, not necessarily by being sympathizers but, say, merely for feeding them (one wonders, with what?), even at gun point. In turn some guerillas can retaliate. There's no end to this.
Ironically, the bad guys in uniform, are also Indians, and they do the dirty work of the white Establishment. Something here reminds me of North American labor riots in the 1930s when companies such as Ford would pay desperate, unemployed workers to become strike-breaking goons against strikers, their "brothers."
Dr. Fuentes's journey is a road-movie of odd encounters and unsuspected revelations. It is an adventure in strange places where, to borrow the title of another John Sayles movie, Fuentes is like a Brother from Another Planet. Not that the Indians see him for what he is.
Each village has a specialty. They call themselves the Coffee People, the Corn People, the Sugar or Banana or Salt People --which underlines their awful plight and dependence on a single crop. This creates divisions which the geographically isolated peasants are also separated other groups. Few natives know Spanish. Four different local languages are spoken in the film.
English is limited to three encounters with a couple of American "Teflon tourists," as Sayles calls them. Mandy Patinkin and his real-life wife are enthusiastic about architectural ruins but deaf and blind to the plight of the Indians. They are not Ugly Americans but very real samples of millions of strangers in strange lands, whom Fuentes resembled before his Odyssey.
At each place the doctor is met by locals who hide when he shows up and who will not talk to him. Fuentes learns somehow of disasters, including the killing of his students. He does not remain not alone,however. Conejo ("Rabbit") a Spanish-speaking boy of about 10, becomes his guide. The product of a rape by a soldier, Conejo is a pariah.
The film is realistic, also symbolic, mystical and magical. Conejo becomes like a version of Ovid leading Dante in his descent to Hell. He calmly tells of catastrophes, takes Fuentes to a cemetery that doubled as a killing field, helps open Fuentes's eyes to grim truths.
Those two are joined by other characters. First Domingo, a deserter who initially robs Fuentes then joins him. Through flashbacks we learn frightening things about Domingo as well about the second newcomer, Padre Portillo, a priest who has defrocked himself and has terrible problems of conscience. (His is the best portrait of the kind since Graham Greene).
The saga of Dr. Fuentes is a most touching, vivid excursion into awareness of others and into self-awareness. Both are inseparable from the denunciation of a regime in which the Indians hardly count as humans, of governments which fear that education of any kind will raise the consciousness of the lowly and cause them to go against privileged oligarchies.
Yet there is no accusatory rhetoric, no finger-pointing, no didacticism. The images and events speak louder than diatribes. Sayles is an intelligent, socially-conscious, caring filmmaker. (He is also a much praised writer of fiction and was the recipient of a MacArthur Foundation "genius grant.') He is a liberal in the widest sense, not a bleeding heart.
There is no romanticizing of the Indians. But there is nobility allied with fatalism, especially in a scene where villagers calmly vote to accept the army's diabolical bargain: "Let a group of you accept to be executed and we won't kill the whole village." The yes-voters include the doomed group.
Sayles makes pictures on tiny budgets. This one cost him an extravagant 2.5 million, about one-fortieth of a Hollywood blockbuster. The money was well spent. The filming took the crew to some 40 or 50 locations. Professionals and non-professional actors are perfect. The photography is by a Polish master, the music is superb, whether composed for the film or from extant Latin American tunes.
Rather than oblige his native performers to speak artificial English, Sails used subtitles that are extremely clear, both in their look and because of the sparse use of dialogue, something natural among unloquacious people.
There are just two puzzles. When Fuentes drives around in the wilds without touching the closest town, how does he get his gas? And about young Conejo who acts so well, how is it that he is hungry yet looks healthy and wears acceptable clothes rather than ags? How did he, the pariah, survive? How did he learn his fluent Spanish while the others around him can hardly speak it? The latter might just be because he was, for a while, the soldiers's mascot. Anyway, I won't lose any sleep over it.
" Le mauvais gout mene au crime" (Stendhal)
Edwin Jahiel's movie reviews are at http://www.prairienet.org/ejahiel
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rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
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Please direct comments/criticisms of the review to relevant newsgroups.
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Welcome to the OpenRS2 Archive
The OpenRS2 Archive is a collection of caches and XTEA keys for all versions of RuneScape that use JS5 to manage assets (mainline RuneScape builds 402 and greater, and all builds of Old School RuneScape).
The archive uses content-addressable storage, converting
caches to the client's native
.dat2
/.idx
format on demand. This
provides several benefits: the disk space required to store
all available caches is reduced, and groups or XTEA keys
missing from one copy of the cache can be sourced
automatically from other copies - provided the checksums and
version numbers match.
The archive is highly automated: OSRS cache updates are downloaded automatically (with RuneScape 3 support planned), and XTEA keys are pulled from various sources and verified automatically. However, third-party contributions must be imported manually to verify the data's provenance (see the "Contributing" section below).
Support for archiving clients/gamepacks, loaders and native libraries is also planned for a future update.
Sources
A significant amount of data in the archive was, or is, obtained from the following projects, which we'd like to thank:
Contributing
Please contact Graham#5361 in OpenRS2's Discord server if you have data (old clients/gamepacks, loaders, native libraries, caches and XTEA keys - ideally original or only lightly modified copies) to contribute.
Contributing data is important even if the cache or keyset already exists in the archive. Older copies of the cache are often incomplete, and your copy may have data missing from the archive.
By pooling all the community's data together in a single location, the whole community will benefit from access to more complete caches and keysets.
Mirroring
An rsync server is available at
rsync://archive.openrs2.org/pub
. Daily
Postgres dumps are available in the db
subdirectory in the custom dump format.
A public-facing Postgres instance, for complex queries and replication, may be made available in the future.
The software used to import and export data is open-source. Combined with the database dumps, this ensures the longevity of the archive if the main instance ever disappears.


“The illiterate of the 21st century will not be those who cannot read and write, but those who cannot learn, unlearn, and relearn.” ~Alvin Toffler
In this post, I share my experience in the world of tech hiring. The examples in this post are from tech that I’ve worked with (Android, iOS), but most points apply to any tech. I start off by listing the core criteria that I’m looking for when I’m hiring, and later I’ll describe the process that could be used to determine if a candidate fulfils those criteria.
This is a very opinionated topic, and I don’t claim that all of these points are applicable to everyone. Also, this is not necessarily how I hire at my current position. It is a culmination of what I learnt during the course of my career.
Hiring principles
Hire for learning ability, not knowledge
The programming landscape changes fast. Really fast.
If you did Android development in 2017, then moved to some other technology, then returned to Android in 2021, chances are that you would pretty much start from scratch. Libraries and patterns that are standard in Android today were almost unheard of in 2017. Co-routines, Flow, Hilt, and Jetpack Compose are all new, and we’ve not even started talking about the impact of continuous PlayStore policy updates.
In this landscape where knowledge goes stale quickly, what a candidate knows has less value than whether they are capable of learning.
Experience matters, but only to a degree
While knowledge can be treated as a past laurel that one must not rest on, experience certainly has value. It does not need to be experience in a certain technology. Mere experience brings with it a lot of value. Even more if the candidate has had experience switching tech stacks; or unlearning and re-learning.
That said, sometimes experience is given too much importance. Not every role requires a Senior developer.
Evaluate based on “typical day at work” …
… not based on something that might only be required sparingly.
When hiring for a mobile developer, I want to evaluate how good the candidate is at developing mobile apps. That should be the goal of the process.
What does a mobile developer do during a typical day at work?
- Understand specs for a feature
- Implement the feature
- Design a reasonable architecture
- Write tests for the feature
What does a mobile developer not do during a typical day at work?
- Print a fibonacci sequence
- Implement a sorting algorithm by hand
- Micro-optimize a data structure
This is an unpopular opinion: for the role of a mobile developer, quizzing a candidate about data structures and algorithms is not very fruitful (Of course, if you’re hiring for the role of a standard library developer for a programming language, chances are that data structures and algorithms are exactly what matter to you).
The basics are important though. If the architecture is good, then tweaking an algorithm here or there will be an isolated operation leaving the rest of the code base untouched.
Skip anything that can be easily looked up
I was once at an Android interview where I was asked to explain the Intent launch modes. In my opinion no one should ever use any of those modes without first consulting the documentation. There are far too many subtleties.
But really, what is the point of asking this question? What insight would you gain into the candidate by asking such a question?
My rule of thumb : If it can be looked up in 30 minutes, it is not interview material.
Even so-called basics are changing
In mobile development, the absolute basics are generally the lifecycles of the core platform components (Activity on Android, UIViewController on iOS). Strong foundations in these basics has been considered a non-negotiable criterion while interviewing candidates.
I’m going to state yet another unpopular opinion: Even these basics are not required anymore. If a candidate has experience with any platform that has a lifecycle, they’re going to learn how his works. Even with the platform that they do have experience with, it is unlikely that they know about the lifecycle beyond the core inner loops.
For example, on Android I find the Fragment lifecycle’s interaction with the Activity lifecycle very tricky. I can never remember whether onCreate
is called first or onCreateView
. For an Activity, there is no guarantee of the order of onSaveInstanceState
calls with respect to onPause
or onStop
.
As with the previous point, this can just be looked up. Just knowing that some lifecycle exists, and that it is one documentation link away, is sufficient.
Enable the candidate to bring out the best in them
An interview process should be such that it allows the candidate to shine. You want to see the best side of the candidate. You do not want to make the candidate a nervous wreck.
Unpopular opinion #3: Allow the candidate to steer the interview. Allow the candidate to take control.
A sub-point: Avoid requiring “preparation” on the candidate’s part. I’m not even referring to LeetCode or Cracking the Coding Interview. I find those artificial anyway.
The point here is the candidate should not need to prepare for an interview with your company, instead you should judge the candidate for what they are.
Hiring process
Now that I’ve listed what according to me are the core principles for hiring in tech, I’ll describe the process that worked best for me in the past. This is subjective, and depends on the role. It worked well for hiring for the role of a mobile developer.
My process consists of 2 steps for the technical part of the interview.
Step 1: Small take-home assignment
This step involves providing a small take-home assignment.
What you glean from this step is:
- Does the candidate understand requirements?
- Do they ask clarifying questions?
- How do they approach architecting a solution?
- How do they approach testing?
This needs to be a tiny assignment. I cannot stress this point enough. Be sensitive to the fact that the candidate is likely interviewing at other companies too. This is an assignment that they will be doing in their free time.
Most companies that I interviewed at wanted me to develop an app with at least 2 screens, lists, network calls to some backend APIs and more. Half the time is spent obtaining API keys and setting up the infrastructure. Some companies even state something along the lines of “Give us your best”.
I am a strong opponent of such take-homes. A candidate should not need to spend more than half a day on the assessment. You can take simple apps like counters, timers, “click-to-change-color” and add some interesting twists to them to come up with requirements that satisfy all the criteria stated above.
Alternative: Pair programming
For some candidates, a take-home is not an option. For those, a pair programming session can be used to approximate the same result.
Step 2: Technical interview
If the candidate passes Step 1, then they are invited for a technical interview.
The goals of this step:
- Understand if the candidate really came up with this solution on their own
- Have a technical discussion with the candidate
The first of these goals can be achieved by discussing their assessment. Asking them to explain their choices. Adding more requirements, or changing a requirement to see how they adapt their solution, pair programming (this need not be complete, running code; just an explanation would suffice).
The second point in this interview goes back to the point about allowing the candidate to shine. For this I shamelessly copy a strategy from an interview where I was a candidate. I ask an open-ended question, like:
“What’s the one thing in your career that you’re most proud of/least proud of?”, “What’s the most difficult challenge that you had so far? How did you solve it?”
In my experience this often puts candidates at ease and lets them open up. The answers to these questions give a lot of valuable insight into their technical and critical thinking abilities.
Conclusion
So there is my formula for hiring in tech.
As a recap, here are the core principles:
- The ability to learn, unlearn and relearn is more valuable than existing knowledge
- Experience always has value, but not every role needs to be a Senior Developer
- Evaluating based on what a candidate does every day at work is beneficial over evaluating something that they do occasionally
- If it can be looked up in 30 minutes, it is not interview material
- What constitutes “basics” is changing every day, it is advisable to not get too hung up on them
- Bringing out the best in the candidate is a win-win
Here is the TL;DR of the tech portion of the hiring process
- Tiny take-home assignment; pair programming session if a take-home is not possible for the candidate
- Technical interview as a follow up to Step 1.
Credits
Thanks to Mike Wolfson (@mikewolfson) for reviewing this article.


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Stefanos Tsitsipas outclasses wasteful Roger Federer to set up London final
by FSA EditorStefanos Tsitsipas set up an ATP Finals showdown with Dominic Thiem or defending champion Alexander Zverev by beating Roger Federer.
ATP Finals debutant Stefanos Tsitsipas booked his place in Sunday’s final with a clinical 6-3 6-4 triumph over a wasteful Roger Federer at the O2 Arena.
Tsitsipas was beaten by world number one Rafael Nadal in a marathon match on Friday but showed little sign of weariness as he claimed his second win over six-time ATP Finals champion Federer.
The 21-year-old saved 12 break points in his Australia Open victory over Federer in January and the world number three failed to take 11 out of 12 this time around.
Tsitsipas made Federer pay, progressing into his sixth final of what has been a fantastic season, with Dominic Thiem or defending champion Alexander Zverev awaiting.
Having held serve in game one, Tsitsipas broke at the first time of asking with a well-worked point to take control of the set.
Tsitsipas saved three break points in game seven, though Federer subsequently held to love before winning a brilliant point at the culmination of a thrilling rally.
Three set points went begging for Tsitsipas as Federer teed up a sixth opportunity to break, only for a long backhand to hand his opponent a reprieve.
An incredible game rolled on, but at the seventh time of asking, Tsitsipas finally wrapped up a 47-minute first set.
Federer started set two with a crisp hold, yet the Swiss found himself a set and a break down when he sent a weak effort into the net as Tsitsipas broke to love.
But Federer responded brilliantly, taking a 40-love lead on Tsitsipas’ serve, only to once again squander three more break points.
A sublime backhand and exquisite drop shot set up Federer’s 10th break point, however, and this time he took advantage to draw level at 2-2.
Tsitsipas broke back immediately though and two overhit efforts put Federer two games down.
Another strong hold of serve put Tsitsipas on the brink, and – despite some nervy shots on his last service game – a thumping ace secured a deserved victory.


Q: Why did you build this app?
Have you ever tried to quit Facebook or Twitter, but found yourself constantly going to it, like a reflex? This application removes that temptation and shows you a cute cat video instead.
Q: I get a weird "this app failed to redirect to site because SOME OTHER APP redirected to SOME OTHER SITE" error
This means you probably have another extension that is conflicting with Cats Help You Quit Social.
Look in your extensions for other apps that redirect you to other sites. For example, if you have HTTPS Everywhere, you will see this error, because HTTP Everywhere will attempt to redirect you as well.
You can either ignore the error, or remove the other extension that conflicts with this one.
Q: I get the same cat videos every time...
Yeah, right now we are keeping the number of videos we redirect users to fairly small to ensure they're good cat videos that we're redirecting people to. We will add more videos to our repertoire in the future!
Q: I wish there was a way to pause the extension so I can go check social!
We wouldn't be doing our job very well if we let you do that, now would we? ;)
Cat Icon credit: flaticon.com


SMACK is more than makeup...
Elegance is when the inside is as beautiful as the outside. - Coco Chanel


Audio Effects based on Biorthogonal Time-Varying Frequency Warping
Introduction
In audio signal processing, frequency warping describes the transformation of the spectral content of a sound via a mapping of the original set of frequencies to a new set of frequencies. If this mapping is linear, the original harmonics are scaled by some coefficient, resulting in a new harmonic structure. If it is nonlinear, the harmonic structure of some input periodic signal is ruined, resulting in an inharmonic set of partials. Inharmonicity can be wielded in many contexts. For example, it is well-known that low piano tones show inharmonicity. Therefore, frequency warping via a nonlinear map could be useful in digitally synthesizing piano sounds.
Another application of frequency warping via a nonlinear map is sound morphing. Given both the harmonic structure an input signal and a target signal, one can warp the frequency axis of the spectrum of the input signal over time to morph into the target signal.
A number of techniques for frequency warping are known. The most popular ones for musical applications include the present investigation (using a generalized Laguerre transform) described in [1], and a vocoder-based algorithm described in [2]. Frequency warping as an idea, however, extends back to 1965, where Broome [3] described a general class of discrete-time orthogonal transforms based on Kautz sequences. Since then, Oppenheim and Johnson [4] and Baraniuk and Jones [5] have made significant contributions to frequency warping theory.
This paper is organized as follows. First, we will explore time-invariant frequency warping via the Laguerre transform. Then, we’ll introduce time-varying frequency warping by means of a projection over a biorthogonal set generalizing the Laguerre transform. Finally, we’ll talk about my results as well as my experience with the implementation.
Time-invariant frequency warping
Let us consider a finite discrete-time signal , with its frequency warped version denoted by Their discrete-time Fourier transforms will be denoted by and Frequency warping is simply a transformation of the frequency map with some frequency map Therefore,
That is, for some frequency , the spectral content of at that frequency is the same as the spectral content of at
In the case of a monotonically increasing warping map fixing the points and , the warping frequency spectrum of can be written as
where
In order to preserve energy coherence in the original and warped spectra, we will consider the energy of in some arbitrary band with
By a simple change of variable we arrive at
where
is the DTFT of the scaled frequency warped signal Therefore, we have maintained energy preservation; the energy in any band of the original signal equals the energy of the warped signal in the warped band This is known as a unitary operation on signals.
A particularly interesting choice for warping map is based on the map generated by the phase of the first-order all-pass filter
with to promote stability.
On the unit circle, we have
where
A Digression: Deriving the phase response of a first-order all-pass filter
The authors of the paper jump immediately to the above expression for the (negative of) the phase response of the first-order all-pass filter. Here, as an exercise, we derive that expression.
We begin by considering the general form for the frequency response of a stable LTI system that has a rational transfer function:
Expressing this as products of poles and zeros, we have
Oppenheim and Schafer Equation 5.51 lists the following form for the phase response of a rational system function:
where represents the continuous unwrapped phase.
Rewriting our transfer function of the first-order all-pass filter on the unit circle, we have
where is now expressed in polar form as . Plugging in to the above equation, we have
Using the odd, odd, and even identities of , and , respectively, we have
And finally, letting and because our gain is not complex, we have
Time-invariant frequency warping (cont.)
The inverse frequency warping map is obtained by simply reversing the sign of the parameter $b.$ By introducing the orthogonalizing factor
it can be shown that the z-transforms of the basis set are
Here, the authors do not go into much detail about what is meant by this and what $H_r$ refers to. I went through some of their earlier papers and learned that this expression is the z-transform of an order- Laguerre sequence. Laguerre sequences are kernels on which one can expand signals through a process known as the Laguerre transform. They form a complete orthonormal set in the space of finite energy causal sequences for any fixed value of the parameter such that These so-called Laguerre warping maps are shown in Figure 1.
An implementation of the above Laguerre transform occurrence is performed by time-reversing the signal, filtering by the orthogonalizing factor and evaluating the iterated convolution with the first order all-pass impulse response at time lag 0. This structure is shown in Figure 2.
Figure 1. Family of Laguerre warping maps for parameter varying from These are equivalent to the negative of the phase response of a first-order all-pass filter.
Figure 2. Digital structure implementing the Laguerre transform.
Time-varying frequency warping
Time-varying frequency warping can simply be considered as a generalization of the transform described in the previous section to the $n$-order case. Consider a sequence onto which we will project our discrete-time signal $x[k]$. If is characterized by an order all-pass filter, it’s z-transform can be written as
which corresponds to a frequency dependent delay
where
with
This structure, known as a sampled dispersive delay line, is closely related to the time-invariant case and is shown in Figure 3.
Figure 3. Time-varying frequency warping structure based on a sampled dispersive
delay line.
An application: Demodulation of flute vibrato
The authors of the paper showed several applications of time-varying frequency warping but little to no detail for how they were implemented was given. The applications shown included pitch modulation removal (which we’ll attempt to recreate here), signal detection (if buried in a high level of noise), pitch modulation effects, chorusing, flanging, phasing, morphing, and pitch-shifting.
Consider a recording of a flute which has unwanted vibrato. One can “regularize" the sound (e.g. remove the vibrato) by performing time-varying frequency warping against the vibrato. The structures shown in Figures 2 and 3 were implemented in MATLAB 2019B for this purpose. The flute recording was obtained from freesound.org.
Fundamental frequency estimation was performed on the recording by MATLAB’s [pitch]{.smallcaps} function. The method used is called Pitch Estimation Filter and is described in [6]. This $f_0$ estimation returns an array of frequency values with a length that is roughly of the length of the input signal. The central piece in an implementation of time-varying frequency warping involves the evolution of the parameter $b$ on the interval . The size of the array that describes its time evolution is roughly the length of the input signal. Accordingly, I extrapolated the data onto an array that had a length equivalent to that of using MATLAB’s [interp1]{.smallcaps} function. Then, I rescaled this array to be centered around zero and having a range contained on the interval .
The most difficult part of my method was determining the scale to which I should resize this array. After much trial and error, I found that the scale that achieves the best demodulation was [-0.5,0.5]. Then, to keep improving on the demodulation, I iterated the algorithm several times, using the output of the previous run as the input. This drastically improved the results. The estimation of the truncated (to improve calculation time) unwarped signal is shown in Figure 4. The change in Hz. The warped version of the same signal is shown in Figure 5 with Hz. I am confident that my algorithm can be improved upon even more to achieve a Hz.
Figure 4. estimation of truncated unwarped flute signal. Notice the vibrato contour. Range of : 11.8 Hz.
Figure 5. estimation of demodulated warped flute signal. Notice y-axis scale. Range of : 2.73 Hz.
Conclusions
In conclusion, time-varying frequency warping is ubiquitous in the processing of musical signals due to its high level of flexibility. In this paper, we have explored the work of Evangelista and Cavaliere [1] who introduced an efficient algorithm to do this based on an expansion over biorthogonal sets generalizing the discrete Laguerre basis. We then showed an implementation and application to demodulation of a flute with vibrato.
I learned quite a bit from this project and hope to continue exploring frequency warping in the context of music. In particular, I am interested in its applications for physical modeling of acoustic instruments that show some inharmonicity, such as the piano. Furthermore, I am interested in exploring a real-time implementation of this in Max/MSP. I began to create a Max patch but quickly found that it was far beyond the scope of this project. The idea is to perform a “short-time Laguerre transform" on audio buffers and be able to change the parameter $b$ in real-time. This could someday be a very useful tool for electroacoustic composers and performers.
References
[1] Evangelista, G., & Cavaliere, S. (2001). Audio Effects Based on Biorthogonal Time-Varying Frequency Warping. EURASIP Journal on Advances in Signal Processing, 2001(1), 289319. doi:10.1155/S1110865701000130
[2] Evangelista, G. (2008, 12-14 March 2008). Modified phase vocoder scheme for dynamic frequency warping. Paper presented at the 2008 3rd International Symposium on Communications, Control and Signal Processing.
[3] Broome, P. W. (1965). Discrete Orthonormal Sequences. J. ACM, 12(2), 151–168. doi:10.1145/321264.321265
[4] Oppenheim, A. V., & Johnson, D. H. (1972). Discrete representation of signals. Proceedings of the IEEE, 60(6), 681-691.
[5] Baraniuk, R. G., & Jones, D. L. (1995). Unitary equivalence: a new twist on signal processing. IEEE Transactions on Signal Processing, 43(10), 2269-2282.
[6] Gonzalez, S., & Brookes, M. (2011, 29 Aug.-2 Sept. 2011). A Pitch Estimation Filter robust to high levels of noise (PEFAC). Paper presented at the 2011 19th European Signal Processing Conference.
[7] Evangelista, G. (2011). Time and Frequency-Warping Musical Signals. In U. Zolzer (Ed.), DAFX: Digital Audio Effects (pp. 447-471).


Migrating to Java 17 for Starburst Enterprise 390-e or higher#
The Starburst Enterprise platform (SEP) 390-e STS release, and importantly the 393-e LTS release, are the first releases that require Java 17 as the runtime environment for the coordinator and worker nodes in the cluster. This guide details necessary considerations when upgrading to these releases or newer releases from older releases that use Java 11.
General advice#
Upgrading software is always an important step to gain access to new features, bug fixes, performance improvements, and other enhancements of the software.
When choosing your upgrade path and strategy, you must take into account how business critical your deployment of SEP is to your company. It is generally advisable to perform a test upgrade in a non-critical environment, and especially advised when making the complex update from SEP <= 390-e to SEP >= 390-e.
The following is a rough guide to use as a blueprint for your specific upgrade plan:
Step 1: Understand your current usage
To understand the scope of the changes, it is important to review the release notes for all versions, including multiple Trino and SEP release notes, especially if you are upgrading from an older release. Pay special attention to any breaking changes, and changes on connectors and other features you are actually using.
Plan to upgrade to 393-e at a minimum and review the release notes for breaking changes and other updates.
Create an inventory of all custom plugins, including authentication, UDFs, and connector plugins, and plan to update them all to adapt to the new SPI.
Step 2: Prepare
Download all required binaries.
Implement all necessary custom plugin updates.
Step 3: Upgrade
Upgrade your clusters one at a time, ideally beginning with a test upgrade on a development or staging cluster first.
In the next sections you can learn more details about the changes affecting different users of SEP, and the required steps to adjust:
Platform administrator#
As a platform administrator, you are responsible for installing, maintaining, and updating the SEP clusters for your organization.
The upgrade to 390-e or higher is a slightly larger effort than typically required for a SEP upgrade. The specific changes necessary includes some changes that affect all SEP installation, and others depend on your deployment method and related tooling in use. The following sections include details for all the required changes related to the required Java 17.
Work with your data engineers to adapt to any changes required for catalog files and others data management related components.
Finally your users, the data consumers are not affected, but we recommend an upgrade of any client tools to newest available version as general best practice.
Java runtime#
There is a strict requirement for the Java runtime version of SEP in place, so be sure to include an update of your Java runtime. For SEP 390-e Java 17, patch version 17.0.3 or higher, is required. If you update to newer SEP versions, check the specific requirements of that version.
tar.gz archive installation#
The Java runtime is managed independently of the archive. Verify and update the Java installation on all nodes manually, or with your provisioning tool as desired.
RPM archive#
The declared dependency to a Java runtime in the RPM has been updated. The
default suggested installation procedure ignores that declaration with
--no-deps
. Separately ensure that the correct Java installation is installed
and configured on all nodes.
starburst-admin#
The collection of Ansible playbooks starburst-admin has been updated to support SEP 390-e and higher, and Java 17. Use version 1.5.1 or newer.
Docker container#
The Docker container image automatically contains the correct Java runtime and relevant configuration. No adjustments are necessary.
If you use a custom etc/jvm.config
file, you need to ensure to update it to
the suggested configuration.
Kubernetes with Helm#
The Docker image and the Helm chart default configuration contain the correct Java runtime and relevant configuration. No adjustments are necessary.
If you use a custom configuration for the coordinators and workers you need to update the relevant details based on the the suggested configuration.
Amazon AMI and CFT#
The Amazon AMI and CFT automatically contain the correct Java runtime and relevant configuration. No adjustments are necessary.
Java keystores#
The default PKCS12 algorithms included in Java 17 have been strengthened. As a results existing PKCS12 keystores that have been protected using the previous algorithm defaults can have interoperability issues on JDK 17.
To mitigate those limitations, you must create new keystores using JDK 17 tooling.
Kerberos#
The encryption algorithms 3DES and RC4 in Kerberos are deprecated and disabled
(JDK-8139348). By default the
des3-hmac-sha1
and rc4-hmac
encryption types are now disabled. Users of
Kerberos authentication must update to newer, supported algorithms.
Encapsulated JVM internals#
JDK internals are now strongly encapsulated by default. This requires some additional JVM flags for libraries that are not yet compatible with JDK 17. Only users of the Snowflake connector must update their JVM configuration.
Data engineer#
As a data engineer, you are responsible for the data sources connected to SEP, and any related configuration in catalog files and elsewhere in SEP, security tools, and general aspects such as network performance between SEP and data sources.
The upgrade to 390-e or higher is similar to other SEP upgrades, since most relevant configuration remained unchanged.
The specific changes necessary depend on your data sources, and specific usage and is detailed in the following sections.
Connectors and catalogs#
Connectors change regularly with each release, and you must make sure you understand the changes for all connectors you are actively using in your catalogs and clusters.
The following connectors specifically required configuration changes related to Java 17:
Snowflake connector#
The Snowflake connector requires a JVM configuration to open up access to JVM internals. Users of catalogs using the connector must update their
jvm.config
as necessary, depending on their deployment platform.
Starburst Ranger plugin#
No changes are required for the Starburst Ranger Plugin.
Users of the Starburst Ranger CLI must upgrade to Java 17.
Atlas CLI#
Users of the Starburst Ranger CLI must upgrade to Java 17.
Cache service#
Users of the Cache service must upgrade to Java 17 when using in
embedded as well as the standalone mode. Embedded mode usage is automatically
correct when the coordinator configuration is updated. Standalone users must
update their etc/jvm.config
file for manual deployments or use the cache
service Helm chart and Docker container, which are already configured for Java
17.
Users of the Cache service CLI must upgrade to Java 17.
Data consumer#
As a data consumer, you are working with SQL and use client tools, such as the CLI, to connect to SEP to execute these queries.
The upgrade to 390-e or higher has a no impact on you with regards to usage of Java 17.
Users of the Trino CLI can update to Java 17, but Java 11 remains to be supported.
Note
We recommend an upgrade of any client tools to newest available version as general best practice.


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This forum is an opportunity to share your emoncms dashboard creations and visualizations of data, either by attaching a screenshot of your dashboard or creating a link to your 'public' dashboard.
Hopefully, the examples will create interest and inspire others to design their dashboards, but also serve as a catalyst to further develop the dashboard environment.
Attaching screenshots - Quite often. emoncms dashboard pages are larger than what can be displayed and captured using the Prnt Scrn function, but there are many browser add-ons/extensions which enable you to capture web-pages much bigger than your screen. My favorite for 'Google Chrome' is the free 'Webpage Screenshot' extension (***see below) which does the job effortlessly, but there are many more and for other browsers.
Link Posting - if you do post a link to your dashboard, please;
Ensure that both the dashboard AND the feeds being displayed are marked as 'public'.
If you change your dashboards address, please remember to update your post - to avoid dead links in the forum!
Consider the implications of publishing real-time data about your home, i.e. could it be used to determine if no-one is home, especially if your domain is listed to your home address!
Questions & Support - If you have any questions or need support, then please post in the general forum, as this section is purely to showcase what can be achieved with emoncms.
If you wish me to add/amend this introduction, please PM me.
Paul
UPDATE - 30th Dec 2013
The latest version of the 'Webpage Screenshot extension' now comes bundled with Malware which persistently offers you an option to get site cashback from commerce sites, therefore I no longer support the app.
Please read before posting!
Submitted by Paul Reed on Tue, 02/07/2013 - 19:27This forum is an opportunity to share your emoncms dashboard creations and visualizations of data, either by attaching a screenshot of your dashboard or creating a link to your 'public' dashboard.
Hopefully, the examples will create interest and inspire others to design their dashboards, but also serve as a catalyst to further develop the dashboard environment.
Attaching screenshots - Quite often. emoncms dashboard pages are larger than what can be displayed and captured using the Prnt Scrn function, but there are many browser add-ons/extensions which enable you to capture web-pages much bigger than your screen. My favorite for 'Google Chrome' is the free
'Webpage Screenshot' extension(***see below) which does the job effortlessly, but there are many more and for other browsers.Link Posting - if you do post a link to your dashboard, please;
Questions & Support - If you have any questions or need support, then please post in the general forum, as this section is purely to showcase what can be achieved with emoncms.
If you wish me to add/amend this introduction, please PM me.
Paul
UPDATE - 30th Dec 2013
The latest version of the 'Webpage Screenshot extension' now comes bundled with Malware which persistently offers you an option to get site cashback from commerce sites, therefore I no longer support the app.


Welcome to Genisis Lab, the one stop for all your technology needs.
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what we do
Software Devolopment
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Our Mission
Something short and leading about the collection below—its contents, the creator, etc. Make it short and sweet, but not too short so folks don't simply skip over it entirely.


{% extends 'gwells/base.html' %} {% load crispy_forms_tags %} {% load render_bundle from webpack_loader %} {% block meta %}{{ block.super }}{% endblock %} {% block title %}Search{% endblock %} {% block bodyheading_block %}Groundwater Well Search{% endblock %} {% block introduction_block %}{% endblock %} {% block body_block %} {% if too_many_wells %}
Not all groundwater wells are registered with the province, as registration was voluntary until February 29, 2016. Data quality issues may impact search results.
Search by one of the fields below, or zoom to a location on the map and select the "Search Wells in this Area" button.
For additional search options, try:
{% render_bundle 'exports' 'js' %}|
Well Tag Number |
Well ID Plate Number |
Owner Name | Street Address | Lot | Plan |
District Lot |
Land District |
PID |
Diameter (inches) |
Finished Well Depth (feet) |
|---|---|---|---|---|---|---|---|---|---|---|
| {{ well.well_tag_number }} | {{well.identification_plate_number|default:' ' }} | {{ well.owner_full_name|default_if_none:' ' }} | {{ well.street_address|default_if_none:'' }} {{ well.city|default_if_none:' ' }} | {{ well.legal_lot|default_if_none:' ' }} | {{ well.legal_plan|default_if_none:' ' }} | {{ well.legal_district_lot|default_if_none:' ' }} | {{ land_districts.well.land_district.land_district_code|default_if_none:' ' }} | {{ well.legal_pid|stringformat:"09d"|default_if_none:' ' }} | {{ well.diameter|default_if_none:' ' }} | {{ well.finished_well_depth|default_if_none:' ' }} |
Can’t find the well you are looking for? Try your search again using a different set of criteria. If you still need more assistance, Contact FrontCounterBC.
{% endif %} {% if settings.ENABLE_GOOGLE_ANALYTICS %}Learn about and submit water license applications with FrontCounterBC.
{% else %}Learn about and submit water license applications with FrontCounterBC.
{% endif %} {% endblock %} {% block jqscript_block %} {% endblock %}


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{% extends "base_nav.html" %} {% load revisions %} {% load crispy_forms_tags %} {% load state %} {% block content %} {% if form.errors %}
It looks like the submitter has already an account. Click "match to selected trainee account" unless the following account doesn't match submitter.
{% else %}It looks like we don't have any account for the request's submitter. Click "create new trainee account" unless you can find this submitter's account.
{% endif %} {% crispy form %} {% endif %}| State: | {{ req.get_state_display }} |
|---|---|
| Matched person: | {% if req.person %} {{ req.person.full_name }} {% if req.person.email %}<{{ req.person.email|urlize }}>{% endif %} {% else %}—{% endif %} |
| Created at: | {{ req.created_at }} |
| Application score: | Automatic: {{ req.score_auto }} pts. Manual: {% if req.score_manual is not None %}{{ req.score_manual }} pts.{% else %}not scored{% endif %} Total: {{ req.score_total }} pts. |
| Manual score notes: | {% if req.score_notes %}{{ req.score_notes }}{% else %}—{% endif %} |
| Registration Code: | {{ req.group_name }} |
| Personal name: | {{ req.personal }} |
| Middle name: | {{ req.middle }} |
| Family name: | {{ req.family}} |
| Email: | {{ req.email|urlize }} |
| Github: | {{ req.github|default:"—" }} |
| Occupation: | {{ req.get_occupation_display }} {{ req.occupation_other }} |
| Affiliation: | {{ req.affiliation }} |
| Location: | {{ req.location}} |
| Country: | {{ req.get_country_display }} |
| Domains: |
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| Previous involvement: |
|
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| Previous experience in teaching: | {{ req.get_previous_experience_display }} {{ req.previous_experience_other }} |
| Explanation of previous experience in teaching: | {% if req.previous_experience_explanation %}{{ req.previous_experience_explanation }}{% else %}—{% endif %} |
| Programming language usage frequency: | {{ req.get_programming_language_usage_frequency_display }} |
| Why do you want to attend this training course?: | {{ req.reason }} |
| Teaching frequency expectation: | {{ req.get_teaching_frequency_expectation_display }} {{ req.teaching_frequency_expectation_other}} |
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module Preferences
Adds support for defining preferences on ActiveRecord models.
Saving preferences¶ ↑
Preferences are not automatically saved when they are set. You must save the record that the preferences were set on.
For example,
class User < ActiveRecord::Base preference :notifications end u = User.new(:login => 'admin', :prefers_notifications => false) u.save! u = User.find_by_login('admin') u.attributes = {:prefers_notifications => true} u.save!
Validations¶ ↑
Since the generated accessors for a preference allow the preference to be treated just like regular ActiveRecord attributes, they can also be validated against in the same way. For example,
class User < ActiveRecord::Base preference :color, :string validates_presence_of :preferred_color validates_inclusion_of :preferred_color, :in => %w(red green blue) end u = User.new u.valid? # => false u.errors.on(:preferred_color) # => "can't be blank" u.preferred_color = 'white' u.valid? # => false u.errors.on(:preferred_color) # => "is not included in the list" u.preferred_color = 'red' u.valid? # => true
Constants
- VERSION


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---
title: Contact
description: Send us a message to find out more!
map:
latitude: -43.3822
longitude: 3.5042
address: "860 rue de Saint Priest, Montpellier, France"
zoom: 13
image: https://source.unsplash.com/WNAO036c6FM/2000x1322?a=.png
---
If you have any questions or queries send us a message and we'll get back to you as soon as we can.
Get in touch today
For any questions about DSB2023, please do not hesitate to contact us. For questions about DSB in general, reach out to the Steering Committee. To stay up to date about DSB in the future, subscribe to the DSB-info mailing list.


It is rip-roaring stuff. There is no great illusion here; any risk that may have been associated with Nathan Drake’s introduction a decade ago has long gone, swept away in a tide of crowd-pleasing spectacle. But Uncharted 4’s swagger makes it easy to succumb to the ride, its craftmanship, sense of adventure and willingness to open up to its players providing a potent sugar-rush of popcorn gaming pleasure.
Naughty Dog has crafted a brilliant game that can stand alone as the best game on PlayStation 4. Uncharted was once referred to as a Tomb Raider clone, but it wound up being a Tomb Raider killer. Naughty Dog has elevated the video game industry as Uncharted 4: A Thief’s End is pure brilliance.
Uncharted 4 is a landmark title that anyone remotely interested in interactive storytelling should invest in. Naughty Dog has once again raised the bar across the industry. Thrilling shootouts, a staggering level of detail, breathtaking visuals and emotional depth come together to make Uncharted 4: A Thief's End a must-play masterpiece.


Material Design Icons are the official open-source icons featured in the Google Material Design specification.
Material Design Iconic Font is a full suite of material design icons (created and maintained by Google) with additional community-designed and brands icons for easy scalable vector graphics on websites or desktop.


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| Current color temperature: | sample seconds |
| UDP mode: | sample seconds |
| Brightness: | sample seconds |
| WIFI signal: | sample seconds |
| Operational: | sample seconds |
| Modern udp: | sample seconds |
| Revision: | sample seconds |


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Here is where you'll write . . . random words, text, something about a musical instrument softly relaxing, putting your busy mind at east. Here is where you'll write . . . random words, text, something about a musical instrument softly relaxing, putting your busy mind at east.Here is where you'll write . . . random words, text, something about a musical instrument softly relaxing, putting your busy mind at east.Here is where you'll write . . . random words, text, something about a musical instrument softly relaxing, putting your busy mind at east. Here is where you'll write . . . random words, text, something about a musical instrument softly relaxing, putting your busy mind at east.
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Jacob Kovolisky, senior firefighter on Wayne Engine 611, works on putting out a fire in Nelsonville on Thursday, Oct. 18, 2018. “My favorite part about my job is (responding to fires),” Kovolisky said. “What other person can say that they get to go and work in the woods? Some people say that my job is better than your best vacation. I love doing it every day.”
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Garrett Wren, 2, is illuminated by a candle held by his mother Mia Miller during the the eighth annual Interfaith Peace Walk. The walk, which took place Sept. 11, 2018, brought about 100 people to Court Street to march in honor of those who lost their lives in the 9/11 terrorist attacks and aimed to show unity among all people of different religions, ethnicities and sexualities.
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The Marching 110 goes over formations during practice at Pruitt Field in October 2018. The “most exciting band in the land” had an eventful 2018-19 season, hiring its first female announcer and announcing an upcoming trip to Japan.
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Sam Jones of Glouster, Ohio, holds up paddles for Ben Schlater of Bidwell, Ohio, during an impromptu lesson between sparring bouts in Sam’s Gym on November 28, 2018. Schlater is a 5th grade math and science teacher in Vinton County schools and at the time of this story was preparing for his second professional fight. “I don’t know who’s more surprised: My teaching friends when I tell them I box, or my boxing friends when I tell them I’m a teacher,” Schlater said.
Nate Swanson | FOR THE POST
Central Michigan catcher Griffin Lockwood-Powell walks off the diamond in defeat as Ohio celebrates Tanner Piechnick’s walk-off grand slam following Ohio’s 12-11 win over the Chippewas on March 23.
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This story is part of a series of specially designed stories that represents some of the best journalism The Post has to offer. Check out the rest of the special projects here.


Get a DistributedLog cluster up running locally and run the example program in a few simple steps.
Quick Start
This tutorial assumes you are starting from fresh and have no existing BookKeeper or ZooKeeper data. If you already have an existing BookKeeper or ZooKeeper cluster, you can checkout the deploy section for more details on how to deploy a production cluster.
Step 1: Download the binary
Download the stable version of DistributedLog and un-zip it.
// Download the binary `distributedlog-all-${gitsha}.zip` > unzip distributedlog-all-${gitsha}.zip
Step 2: Start ZooKeeper & BookKeeper
DistributedLog uses ZooKeeper as the metadata store and BookKeeper as the log segment store. So you need to first start a zookeeper server and a few bookies if you don't already have one. You can use the dlog script in distributedlog-proxy-server package to get a standalone bookkeeper sandbox. It starts a zookeeper server and N bookies (N is 3 by default).
// Start the local sandbox instance at port `7000` > ./distributedlog-proxy-server/bin/dlog local 7000 DistributedLog Sandbox is running now. You could access distributedlog://<IP_ADDRESS>:7000
Step 3: Create a DistributedLog namespace
Before using distributedlog, you need to create a distributedlog namespace to store your own list of streams. The zkServer for the local sandbox is <IP_ADDRESS>:7000 and the bookkeeper's ledgers path is /ledgers. You could create a namespace pointing to the corresponding bookkeeper cluster.
> ./distributedlog-proxy-server/bin/dlog admin bind -l /ledgers -s <IP_ADDRESS>:7000 -c distributedlog://<IP_ADDRESS>:7000/messaging/my_namespace No bookkeeper is bound to distributedlog://<IP_ADDRESS>:7000/messaging/my_namespace Created binding on distributedlog://<IP_ADDRESS>:7000/messaging/my_namespace.
If you don't want to create a separated namespace, you could use the default namespace distributedlog://<IP_ADDRESS>:7000/messaging/distributedlog.
Step 4: Create some log streams
Let's create 5 log streams, prefixed with messaging-stream-.
> ./distributedlog-proxy-server/bin/dlog tool create -u distributedlog://<IP_ADDRESS>:7000/messaging/my_namespace -r messaging-stream- -e 1-5
We can now see the streams if we run the list command from the tool.
> ./distributedlog-proxy-server/bin/dlog tool list -u distributedlog://<IP_ADDRESS>:7000/messaging/my_namespace Streams under distributedlog://<IP_ADDRESS>:7000/messaging/my_namespace : -------------------------------- messaging-stream-1 messaging-stream-3 messaging-stream-2 messaging-stream-4 messaging-stream-5 --------------------------------
Step 5: Start a write proxy
Now, lets start a write proxy server that serves writes to distributedlog namespace distributedlog://<IP_ADDRESS>/messaging/my_namespace. The server listens on 8000 to accept fan-in write requests.
> ./distributedlog-proxy-server/bin/dlog-daemon.sh start writeproxy -p 8000 --shard-id 1 -sp 8001 -u distributedlog://<IP_ADDRESS>:7000/messaging/my_namespace -mx -c `pwd`/distributedlog-proxy-server/conf/distributedlog_proxy.conf
From 0.3.51-RC1 and onwards, use the below command to start the write proxy
> WP_SHARD_ID=1 WP_SERVICE_PORT=8000 WP_STATS_PORT=8001 WP_NAMESPACE='distributedlog://<IP_ADDRESS>:7000/messaging/my_namespace' ./distributedlog-proxy-server/bin/dlog-daemon.sh start writeproxy
Step 6: Tail reading records
The distributedlog tutorial has a multi-streams reader that will dump out received records to standard output.
> ./distributedlog-tutorials/distributedlog-basic/bin/runner run org.apache.distributedlog.basic.MultiReader distributedlog://<IP_ADDRESS>:7000/messaging/my_namespace messaging-stream-1,messaging-stream-2,messaging-stream-3,messaging-stream-4,messaging-stream-5
Step 7: Write some records
The distributedlog tutorial also has a multi-streams writer that will take input from a console and write it out as records to the distributedlog write proxy. Each line will be sent as a separate record.
Run the writer and type a few lines into the console to send to the server.
> ./distributedlog-tutorials/distributedlog-basic/bin/runner run org.apache.distributedlog.basic.ConsoleProxyMultiWriter 'inet!<IP_ADDRESS>:8000' messaging-stream-1,messaging-stream-2,messaging-stream-3,messaging-stream-4,messaging-stream-5
If you have each of the above commands running in a different terminal then you should now be able to type messages into the writer terminal and see them appear in the reader terminal.


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This webpage displays a list of existing datasets, and provides links for uploading or downloading datasets.


Introduction
A rangefinder is a device that measures the distance from the observer to a target, in a process called ranging.
EV3 Sensors
In Lego Mindstorms ecosystem, exist 2 Rangefinder sensors:
References:
A rangefinder is a device that measures the distance from the observer to a target, in a process called ranging.
In Lego Mindstorms ecosystem, exist 2 Rangefinder sensors:
References:


|
Tactical RPG - Projet L3
0.95
Un jeu de tactical rpg/simulation créé dans le cadre d'un projet de L3 informatique
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components of the GM class More...
Public Member Functions | |
| Component () | |
| class constructor | |
| virtual | ~Component () |
| class destructor | |
| void | deactivate () |
| deactivate item | |
| void | activate () |
| reactivate item | |
| bool | is_Active () |
| get active | |
| virtual void | _init ()=0 |
| init method overwritten by children classes, called at gm init | |
| virtual void | _update ()=0 |
| update method called every frame, updates game logic | |
| virtual void | _draw (sf::RenderWindow &window)=0 |
| draw method called every frame, draws component on window More... | |
components of the GM class
|
pure virtual |
draw method called every frame, draws component on window
| window | window to draw in |
Implemented in TileMap, Entity, UI_ProgressBar, AlienGroup, RoverBase, UI_TextBox, Raider, UI_Point, and UI_VisualPath.


§386-213 Rules. The insurance commissioner shall adopt rules in accordance with chapter 91 for the purposes of this chapter. [L 1986, c 304, pt of §1]


--- layout: post title: 'OS X: Moving from Finder to Terminal and back' date: 2011-12-03 20:17:01.000000000 +00:00 type: post published: true status: publish categories: - Productivity - Programming tags: - Finder - OS X - productivity - Terminal author: David Simpson excerpt_separator: ---
Here's a quick and simple timesaver...
Download " > cd to ... ", copy it to your Applications folder, and then from the applications folder drag it into the Finder toolbar.
To use, just click the > ...
button on the toolbar
First, we'll need to add some AppleScript to ~/.profile
{% highlight bash %}
# Open a new tab on Terminal with the current directory
# See: http://elsethenif.wordpress.com/2009/06/11/open-a-new-tab-on-terminal-with-the-same-path-on-mac-os-x/
function nt {
osascript -e "
tell application "System Events" to tell process "Terminal" to keystroke "t" using command down
tell application "Terminal" to do script "cd \"$(PWD)\"" in selected tab of the front window
" > /dev/null 2>&1
}
{% endhighlight %}
In terminal, now type:
nt
To get back to the Finder window, type...
open .
To wrap it up, a demo video:


‘Don’t plunge Kogi into violence’ - The Nation Newspaper
By James Azania, Lokoja
Bello/Onoja Governorship Campaign Council has called on the Peoples Democratic Party (PDP) to avoid a situation that can plunge the state into violence by desisting from spreading falsehood.
The council, in a statement in Lokoja by the Chairman of the APC Media and Publicity Committee, Kingsley Fanwo, urged the opposition party to await the conclusion of the entire (election) process, which it said had been free, fair and peaceful.
The statement reads: “We have a credible intelligence that the leadership of the Peoples Democratic Party (PDP) has directed the National Publicity Secretary Of the party, Mr. Kola Ologbondiyan, to quickly address a press conference to condemn an ongoing process that has been adjudged free, fair, credible and peaceful, just because they are seeing the handwriting of people’s rejection on the wall.
“The pockets of crisis during the election were caused by the stand of the people against the rigging machinations of the PDP.
Read Also: Lyon’s roar, Kogi’s harvest
“Mr. Ologbondiyan was caught in the same satanic plan as he has been alleged to have carried ballot boxes and papers to his private residence, a situation that was staunchly resisted by the people of his Ward, who insisted on the power of the ballot.
“How will such a person garner enough moral strength to address a press conference to condemn a largely credible process?
“He and other PDP leaders should accept the verdict of the people and clean their names in the face of heavy accusations against them.”
“We commend the Independent National Electoral Commission (INEC) and security agencies, for their excellent performance in ensuring fair conduct.
“To the PDP, they should prepare for future elections with seriousness and stop claiming danger to democracy, when things don’t go their way.
“We also congratulate Kogites for coming out en masse on Saturday to elect their next governor.”


System Architect Picture "Not Required Intention"
Parent Diagram:
Intention State
(OMT Object Model)


Click the “Save Note” button when you want to capture a screen. You can also highlight and save lines from the transcript below. Add your own notes to anything you’ve captured.Click the “Save Note” button when you want to capture a screen. You can also highlight and save lines from the transcript below. Add your own notes to anything you’ve captured.
Click the “Save Note” button when you want to capture a screen. You can also highlight and save lines from the transcript below. Add your own notes to anything you’ve captured.Click the “Save Note” button when you want to capture a screen. You can also highlight and save lines from the transcript below. Add your own notes to anything you’ve captured.
Click the “Save Note” button when you want to capture a screen. You can also highlight and save lines from the transcript below. Add your own notes to anything you’ve captured.Click the “Save Note” button when you want to capture a screen. You can also highlight and save lines from the transcript below. Add your own notes to anything you’ve captured.


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