Move Calculator Measure travel distance and turns precisely for your robot. Support for gears coming soon!


01 Mar 2018 Piotr Nowojski (@PiotrNowojski) & Mike Winters (@wints)
This post is an adaptation of Piotr Nowojski’s presentation from Flink Forward Berlin 2017. You can find the slides and a recording of the presentation on the Flink Forward Berlin website.
Apache Flink 1.4.0, released in December 2017, introduced a significant milestone for stream processing with Flink: a new feature called TwoPhaseCommitSinkFunction
(relevant Jira here) that extracts the common logic of the two-phase commit protocol and makes it possible to build end-to-end exactly-once applications with Flink and a selection of data sources and sinks, including Apache Kafka versions 0.11 and beyond. It provides a layer of abstraction and requires a user to implement only a handful of methods to achieve end-to-end exactly-once semantics.
If that’s all you need to hear, let us point you to the relevant place in the Flink documentation, where you can read about how to put TwoPhaseCommitSinkFunction
to use.
But if you’d like to learn more, in this post, we’ll share an in-depth overview of the new feature and what is happening behind the scenes in Flink.
Throughout the rest of this post, we’ll:
- Describe the role of Flink’s checkpoints for guaranteeing exactly-once results within a Flink application.
- Show how Flink interacts with data sources and data sinks via the two-phase commit protocol to deliver end-to-end exactly-once guarantees.
- Walk through a simple example on how to use
TwoPhaseCommitSinkFunction
to implement an exactly-once file sink.
Exactly-once Semantics Within an Apache Flink Application
When we say “exactly-once semantics”, what we mean is that each incoming event affects the final results exactly once. Even in case of a machine or software failure, there’s no duplicate data and no data that goes unprocessed.
Flink has long provided exactly-once semantics within a Flink application. Over the past few years, we’ve written in depth about Flink’s checkpointing, which is at the core of Flink’s ability to provide exactly-once semantics. The Flink documentation also provides a thorough overview of the feature.
Before we continue, here’s a quick summary of the checkpointing algorithm because understanding checkpoints is necessary for understanding this broader topic.
A checkpoint in Flink is a consistent snapshot of:
- The current state of an application
- The position in an input stream
Flink generates checkpoints on a regular, configurable interval and then writes the checkpoint to a persistent storage system, such as S3 or HDFS. Writing the checkpoint data to the persistent storage happens asynchronously, which means that a Flink application continues to process data during the checkpointing process.
In the event of a machine or software failure and upon restart, a Flink application resumes processing from the most recent successfully-completed checkpoint; Flink restores application state and rolls back to the correct position in the input stream from a checkpoint before processing starts again. This means that Flink computes results as though the failure never occurred.
Before Flink 1.4.0, exactly-once semantics were limited to the scope of a Flink application only and did not extend to most of the external systems to which Flink sends data after processing.
But Flink applications operate in conjunction with a wide range of data sinks, and developers should be able to maintain exactly-once semantics beyond the context of one component.
To provide end-to-end exactly-once semantics–that is, semantics that also apply to the external systems that Flink writes to in addition to the state of the Flink application–these external systems must provide a means to commit or roll back writes that coordinate with Flink’s checkpoints.
One common approach for coordinating commits and rollbacks in a distributed system is the two-phase commit protocol. In the next section, we’ll go behind the scenes and discuss how Flink’s TwoPhaseCommitSinkFunction
utilizes the two-phase commit protocol to provide end-to-end exactly-once semantics.
End-to-end Exactly Once Applications with Apache Flink
We’ll walk through the two-phase commit protocol and how it enables end-to-end exactly-once semantics in a sample Flink application that reads from and writes to Kafka. Kafka is a popular messaging system to use along with Flink, and Kafka recently added support for transactions with its 0.11 release. This means that Flink now has the necessary mechanism to provide end-to-end exactly-once semantics in applications when receiving data from and writing data to Kafka.
Flink’s support for end-to-end exactly-once semantics is not limited to Kafka and you can use it with any source / sink that provides the necessary coordination mechanism. For example, Pravega, an open-source streaming storage system from Dell/EMC, also supports end-to-end exactly-once semantics with Flink via the TwoPhaseCommitSinkFunction
.
In the sample Flink application that we’ll discuss today, we have:
- A data source that reads from Kafka (in Flink, a KafkaConsumer)
- A windowed aggregation
- A data sink that writes data back to Kafka (in Flink, a KafkaProducer)
For the data sink to provide exactly-once guarantees, it must write all data to Kafka within the scope of a transaction.
This ensures that writes are rolled back in case of a failure.
However, in a distributed system with multiple, concurrently-running sink tasks, a simple commit or rollback is not sufficient, because all of the components must “agree” together on committing or rolling back to ensure a consistent result. Flink uses the two-phase commit protocol and its pre-commit phase to address this challenge.
The starting of a checkpoint represents the “pre-commit” phase of our two-phase commit protocol. When a checkpoint starts, the Flink JobManager injects a checkpoint barrier (which separates the records in the data stream into the set that goes into the current checkpoint vs. the set that goes into the next checkpoint) into the data stream.
The barrier is passed from operator to operator. For every operator, it triggers the operator’s state backend to take a snapshot of its state.
The data source stores its Kafka offsets, and after completing this, it passes the checkpoint barrier to the next operator.
This approach works if an operator has internal state only. Internal state is everything that is stored and managed by Flink’s state backends - for example, the windowed sums in the second operator. When a process has only internal state, there is no need to perform any additional action during pre-commit aside from updating the data in the state backends before it is checkpointed. Flink takes care of correctly committing those writes in case of checkpoint success or aborting them in case of failure.
However, when a process has external state, this state must be handled a bit differently. External state usually comes in the form of writes to an external system such as Kafka. In that case, to provide exactly-once guarantees, the external system must provide support for transactions that integrates with a two-phase commit protocol.
We know that the data sink in our example has such external state because it’s writing data to Kafka. In this case, in the pre-commit phase, the data sink must pre-commit its external transaction in addition to writing its state to the state backend.
The pre-commit phase finishes when the checkpoint barrier passes through all of the operators and the triggered snapshot callbacks complete. At this point the checkpoint completed successfully and consists of the state of the entire application, including pre-committed external state. In case of a failure, we would re-initialize the application from this checkpoint.
The next step is to notify all operators that the checkpoint has succeeded. This is the commit phase of the two-phase commit protocol and the JobManager issues checkpoint-completed callbacks for every operator in the application. The data source and window operator have no external state, and so in the commit phase, these operators don’t have to take any action. The data sink does have external state, though, and commits the transaction with the external writes.
So let’s put all of these different pieces together:
- Once all of the operators complete their pre-commit, they issue a commit.
- If at least one pre-commit fails, all others are aborted, and we roll back to the previous successfully-completed checkpoint.
- After a successful pre-commit, the commit must be guaranteed to eventually succeed – both our operators and our external system need to make this guarantee. If a commit fails (for example, due to an intermittent network issue), the entire Flink application fails, restarts according to the user’s restart strategy, and there is another commit attempt. This process is critical because if the commit does not eventually succeed, data loss occurs.
Therefore, we can be sure that all operators agree on the final outcome of the checkpoint: all operators agree that the data is either committed or that the commit is aborted and rolled back.
Implementing the Two-Phase Commit Operator in Flink
All the logic required to put a two-phase commit protocol together can be a little bit complicated and that’s why Flink extracts the common logic of the two-phase commit protocol into the abstract TwoPhaseCommitSinkFunction
class.
Let’s discuss how to extend a TwoPhaseCommitSinkFunction
on a simple file-based example. We need to implement only four methods and present their implementations for an exactly-once file sink:
beginTransaction -
to begin the transaction, we create a temporary file in a temporary directory on our destination file system. Subsequently, we can write data to this file as we process it.preCommit -
on pre-commit, we flush the file, close it, and never write to it again. We’ll also start a new transaction for any subsequent writes that belong to the next checkpoint.commit -
on commit, we atomically move the pre-committed file to the actual destination directory. Please note that this increases the latency in the visibility of the output data.abort -
on abort, we delete the temporary file.
As we know, if there’s any failure, Flink restores the state of the application to the latest successful checkpoint. One potential catch is in a rare case when the failure occurs after a successful pre-commit but before notification of that fact (a commit) reaches our operator. In that case, Flink restores our operator to the state that has already been pre-committed but not yet committed.
We must save enough information about pre-committed transactions in checkpointed state to be able to either abort
or commit
transactions after a restart. In our example, this would be the path to the temporary file and target directory.
The TwoPhaseCommitSinkFunction
takes this scenario into account, and it always issues a preemptive commit when restoring state from a checkpoint. It is our responsibility to implement a commit in an idempotent way. Generally, this shouldn’t be an issue. In our example, we can recognize such a situation: the temporary file is not in the temporary directory, but has already been moved to the target directory.
There are a handful of other edge cases that TwoPhaseCommitSinkFunction
takes into account, too. Learn more in the Flink documentation.
Wrapping Up
If you’ve made it this far, thanks for staying with us through a detailed post. Here are some key points that we covered:
- Flink’s checkpointing system serves as Flink’s basis for supporting a two-phase commit protocol and providing end-to-end exactly-once semantics.
- An advantage of this approach is that Flink does not materialize data in transit the way that some other systems do–there’s no need to write every stage of the computation to disk as is the case is most batch processing.
- Flink’s new
TwoPhaseCommitSinkFunction
extracts the common logic of the two-phase commit protocol and makes it possible to build end-to-end exactly-once applications with Flink and external systems that support transactions - Starting with Flink 1.4.0, both the Pravega and Kafka 0.11 producers provide exactly-once semantics; Kafka introduced transactions for the first time in Kafka 0.11, which is what made the Kafka exactly-once producer possible in Flink.
- The Kafka 0.11 producer is implemented on top of the
TwoPhaseCommitSinkFunction
, and it offers very low overhead compared to the at-least-once Kafka producer.
We’re very excited about what this new feature enables, and we look forward to being able to support additional producers with the TwoPhaseCommitSinkFunction
in the future.
This post first appeared on the data Artisans blog and was contributed to Apache Flink and the Flink blog by the original authors Piotr Nowojski and Mike Winters.


Definition
A table in which each cell is a pie chart of the third field.
Parameters
In the top slot, the field represented in column.
In the left slot, the field represented in line.
In the bottom slot, the field represented by pie chart.


Preparation time
less than 30 mins
Cooking time
10 to 30 mins
Serves
Makes 12 small fairy cakes, or 6 deep cupcakes
Dietary
Become a fairy cake master! With this foolproof, easy recipe for fairy cakes and buttercream icing you can't go wrong.
Preheat the oven to 180C/350F/Gas 4 and line a 12-hole bun tin with 12 paper fairy cake cases. (Or for deep American-style cupcakes, line a 6-hole muffin tin with larger muffin cases.)
Place the softened butter in a large bowl then beat with an electric hand-whisk until pale and fluffy. Gradually add the sugar and continue to beat until fully combined.
Add a little of the beaten egg to the butter mixture, then whisk again. Gradually add the egg, little by little, whisking after each addition. It’s important to go slowly here, as adding too much egg at once can cause the mix to split. If it does split, simply add a tablespoon of the flour and whisk until the batter is smooth again.
Sift the flour into the bowl. Using a large metal spoon or spatula, fold the flour into the cake mix.
Add the vanilla and the salt and stir to combine. Add the milk to get the cake mix to a soft dropping consistency, where a heaped spoonful of mixture falls off the spoon after tipping it for few seconds.
Using two dessert spoons (one to scoop and the other to push the mix into the tin), fill the paper cases half full with the batter, filling them equally.
Bake the fairy cakes for 15 minutes in the middle of the oven, until golden-brown and the cakes spring back when pressed lightly. (Bake cupcakes for 18-20 minutes.)
When cool enough to handle, lift the cakes onto a cooling rack and leave to cool completely. The cakes can be frozen for up to a month, or will keep fresh in an airtight tin for a few days.
To make the buttercream, put the butter into a large bowl and beat with electric hand beaters until smooth and creamy. Sift in the icing sugar, then work it into the butter, starting slowly at first, then beating more vigorously once all the sugar is combined. Add the milk and the vanilla, then beat until creamy and smooth. If the mixture is too stiff, add a little more milk. You can colour the buttercream at this stage.
To make butterfly cakes, cut the top off each cake using a small serrated knife – angling the knife in slightly so that you make a concave cut. Cut the tops in half, to make two ‘wings’. Spread or pipe a heaped teaspoon of buttercream into the dip you have made in the top of each cake, and spoon on a little lemon curd or jam. Place the wings into the buttercream, and dust with a little icing sugar.


Middle School @FTCLiggett
Upper School@FRC3175
GitHub frc3175
frc3175
Email<EMAIL_ADDRESS>Step 1: Download Loop Group Messenger from the App Store
Step 2: Join the @liggettrobotics group


1979 – SALT II
SALT II negotiations began in 1972 and continued for seven years. The final treaty limited the number of missiles that can have multiple warheads (MIRVs), limited the number of long-range bombers, and limited the number of strategic launchers to 2400 on each side. A strategic launcher is a missile like an ICBM or SLMB that can have MIRVs.
Jimmy Carter and Leonid Brezhnev signed SALT II in Vienna on June 18, 1979. However, in January 1980, the USSR invaded Afghanistan. This action led Carter to remove the treaty from consideration by United States Senate. Despite this symbolic action, both sides followed the treaty limits until 1986 when Ronald Reagan decided to break the treaty.
Both sides had motivations for agreeing to the treaty. The Soviet Union signed it due to a fear of closer US/China relations. The United States signed it due to the fear of falling behind the Soviet Union in the arms race.


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About Me
I am a student at Epicodus learning web development and design. I was born and raised in the philadelphia area. I love coding and solving complex problems. I build my own PCs, mostly because I'm an avid gamer. I went to Temple University's Tyler School of Art as a graphic design major for 1 year before I fell in love with coding and went to community college for web development. I did that for another year before disliking that curriculum and working full time in retail. I've since left that job and currently I'm studying at Epicodus for web development.
I know...
HTML 5: I've studied html for a few years now and have a very strong grasp on how it works. This language sets up the structure of the website and has all the basic content of the page.
CSS 3: Along side html I learned css. This is the language that tells the html how each elemet should look. Things like color, font, size and more!
Bootstrap: More Recently I've been learning bootstrap. This is a resource made by twitter devs as a library of pre-made code for web development. This allows for much more rapid prototyping.


This chart shows the use of a logarithmic y-axis. Logarithmic axes can be useful when dealing with data with spikes or large value gaps, as they allow variance in the smaller values to remain visible.


Sasha-Lee Olivier officially added to Miss World website ahead of 2019 competition
Nikita Coetzee
Johannesburg – Sasha-Lee Olivier's profile has officially been added to the Miss World website.
The beauty queen, who revealed her Beauty with a Purpose campaign for the competition on Monday, will jet off to London in hopes of bringing the crown home in December.
On the Miss World page, Sasha-Lee's name can be found along with three images.
The site also includes other contestants from around the world who will be competing for the title this year.
The Miss World 2019 pageant takes place on 14 December in London.
Contestants will arrive two weeks prior to pageant night where they will compete in a number of tasks leading up to the final show where a winner will be chosen.


Description of the research
You are invited to participate in a research study about how people judge the similarity of two objects. Your participation is voluntary. There are no risks or benefits associated with completing this task.
What will participation involve?
Making 50 judgements about the similarity of different objects. Select the object (left or right) that is most similar to the target object (center) using the left and right arrow keys on your keyboard. There is no right answer, all honest efforts will be paid. This should take at most 3 minutes.
Compensation
Upon completing the task, which is expected to take at most 3 minutes, you will be paid $.25 within 2 days of completing the survey. Obviously careless work, or work associated with invalid confirmation codes, will not be compensated. You may stop at any time during the experiment, and your reward will be pro-rated.
Confidentiality
All survey and judgement data is anonymous, and cannot be traced back to an individual.
Questions
Any and all questions about the research may be directed to<EMAIL_ADDRESS>Questions about your rights as a research participant should be directed to the University of Wisconsin, Social and Behavioral Science Internal Review Board<PHONE_NUMBER>).
Accepting these terms indicates that you have read this form and voluntarily consent to participate in this research. If you do not agree, you may not complete this HIT.
IRB Approval Date: 1/21/2015
Date IRB Approval Expires: 1/20/2016
FWA00005399 ED/SBS IRB
University of Wisconsin – Madison


{% extends "base.html" %} {% load i18n %} {% load url from future %} {% block title %} - {% trans "Page Not Found" %}{% endblock %} {% block content %}
{% trans "The resource you were looking for doesn't exist" %}


Blaze Menu
Our Pizza
Contact Us
Blaze Pizza
Home-delivered
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Cheesy
Freshly baked
Orders
Preferred Flavour
Hawaiian
Veggies Tikka
Chicken Tikka
Peri Peri Chicken
BBQ Steak
Boerewors
Chicken and Mushroom
Toppings
Ham
Bacon
None
Size
Large
Medium
Small
Crust?
Thin
Thick
Stuffed
No of Pizza
Order
Deliver
Confirm your Order:
Flavor
Toppings
Size
Crust
Quantity
Total
Total Bill
Delivery fee is 200 bob to your location
Contact us
Blaze pizza ltd
Mushembi Rd,Nairobi,Kenya
Call us +25412345678
Email Us:info@blazepizzaltd.com


Made by
Tünde Szirák
from a design of
Cosmin Negoita
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string-append!
and
string-replace!
, which allow the length of the string to change.
This SRFI provides two linear-update versions of these procedures:
that is, the implementation may change the string length or return a
new string instead.
In addition, two convenience macros are provided that make the
procedures somewhat easier to use.


ResourceScheduler Examples
ResourceScheduler.js is a Javascript library for tasks scheduling. Useful for sue-cases of tasks that require a lot of resource like CPU, network bandwidth, etc. The library is espacially useful for tasks which can be prioritized.
Creating a scheduler
To begin the work with the ResourceScheduler.js library, include the following script in your page:
<script src="http://MaMazav.github.io/cdn/resource-scheduler.dev.js"></script>
The library contains two types of scheduler available: LifoScheduler and PriorityScheduler. The most simplest scheduler to use is LifoScheduler. It just schedule the most recent job in queue when it has an available resource. The LifoScheduler constructor accepts two mandatory arguments:
- createResource - a non-parametric function that returns a resource. On the beginning of the execution, when new jobs are to be scheduled but resources has not been allocated yet, the LifoScheduler will use this function to create the resources.
- jobsLimit - count of available resources (i.e. maximum amount of parallel jobs).
The LifoScheduler is useful if jobs do not have special priority over each other, and you just want to limit the amount of parallel jobs.
var scheduler = new LifoScheduler(
function createResource() {
return new DbConnection();
},
/*jobsLimit=*/4);
The PriorityScheduler is a more complicated scheduler. It schedules the job accoding to some priority defined by the user. Its constructor accepts three mandatory arguments:
- createResource - as in LifoScheduler.
- jobsLimit - as in LifoScheduler.
- prioritizer - an object contains getPriority method. We will demonstrate it in the prioritizer section.
In addition, a fourth optional argument can contain more options. They will be discussed in the PriorityScheduler options section.
Enqueue job to scheduler
After creating a scheduler, we can request the scheduler to schedule a job. Enqueueing a job is performed by calling the function enqueueJob with three arguments which declare the job:
- jobFunc - a function which actually performs the job. The function should accept two arguments - a resource (created by the createResource function) and the jobContext passed as the second argument.
- jobContext - an object declaring the specific job. The job context is used only by the jobFunc - the scheduler doesn't care about its content. If the jobFunc has enough information information to execute the job and it doesn't need the job context, this argument may be even ignored.
- jobAbortedFunc - a function that will be called if the job has been aborted before scheduling. This argument is also not mandatory, if the job may not be aborted.
The secheduler holds the jobFunc and jobContext until the jobFunc is executed. Right after executing the function, the scheduler has no information about the executed job until either jobDone or tryYield functions are called.
scheduler.enqueueJob(
function jobFunc(dbConnection, jobContext) {
var result = dbConnection.executeQuery(jobContext.sql);
jobContext.callback(result);
},
/*jobContext=*/{
sql: 'Select Name from Employees where salary > 5000',
table: 'Employees',
callback: function(employees) {
console.log('Got ' + employees.length + ' employees');
}
);
Finishing a job and release resource
Once the job is done, the jobFunc is expected to return the resource back to the scheduler so the scheduler know it is released and more jobs may be scheduled. It is done by calling the jobDone function.
The jobDone function accepts also a second argument of the jobContext. However, in the usual scenario it is not a mandatory argument; the jobContext is used only when showLog option is true in the PriorityScheduler constructor and is used only to log the priority of the job.
After calling the jobDone function, the resource should not be used anymore as it may be passed to another job for its use.
scheduler.enqueueJob(
function jobFunc(dbConnection, jobContext) {
var result = dbConnection.executeQuery(jobContext.sql);
scheduler.jobDone(dbConnection, jobContext);
jobContext.callback(result);
},
/*jobContext=*/{
sql: 'Select Name from Owners where stocks >= 51',
table: 'Owners',
callback: function(owners) {
console.log('Got ' + owners.length + ' owners');
}
);
Yielding a resource
A job may decide to yield the resource in favour of higher priority jobs. To do that, simply call the tryYield function. The possible responses of the scheduler are:
- The scheduler may decide to not yield the resource but let it continue running. In such situation the tryYield function will return false (This is the only possible response of the LifoScheduler).
- The scheduler may decide to yield the job. Then the jobYieldedFunc callback will be executed, and the job is re-enqueued with the jobContinueFunc and jobAbortedFunc for later scheduling. After the jobYieldedFunc called, the resource should not be used anymore. Notice that the later jobContinueFunc function may be passed a different resource. The new resource is the only one that should be used.
- The scheduler may decide to abort the job (see Using prioritizer to abort waiting jobs). Then the jobAbortedFunc callback will be executed. After the jobAbortedFunc called, the resource should not be used anymore.
Notice that even if the jobYieldedFunc was called, the later call to jobContinueFunc (or jobAbortedFunc in case of abort) may be called before the tryYield function has been returned. It may happen if other jobs scheduled during the tryYield function has been finished immediately. For that reason, it is not recommended to perform any operation related to the job after the tryYield function. Instead pass those operations to the end of the jobYieldedFunc callback.
The tryYield function accepts five arguments: the four mentioned callbacks and the resource passed in the jobFunc:
- jobContinueFunc - a callback to execute when the function is rescheduled (after yielded). Its argument are identical to the jobFunc function passed to the enqueueJob function.
- jobContext - the context of the job.
- jobAbortedFunc - a callback to execute if the job is aborted. Identical to the jobAbortedFunc passed to the enqueueJob function.
- jobYieldedFunc - a callback to execute if the job is yielded. It is passed only a single argument - the jobContext.
- resource - the resource originally passed to the jobFunc function that was passed to the enqueueJob function.
If releasing of the resource on abort or yield takes some time, you may use the shouldYieldOrAbort function. The function will perform a check if tryYield should be called. If the function returns false, then calling tryYield would have no effect. If the function returns true, you should start to release the resource and call tryYield when the resource really released. Notice however that until you call the tryYield, the situation might be changed and tryYield would have act differently.
shouldYieldOrAbort accepts a single argument, the context of the job.
Implementing prioritizer for PriorityScheduler
If the various jobs have different priorities, one can use the PriorityScheduler. The constructor of the PriorityScheduler accepts a third argument, prioritizer, which is an object contains a getPriority method. This method accepts the job context as an argument and returns the job's priority, which is a non-negative number. As higher the number, as higher the job priority. The priority of a given job may change over time. Notice that a large number of priorities is not recommended, as it may degrade performance.
For example, the following prioritizer may match to the jobs demonstrated in the above snippets. The PriorityScheduler which accepts the following prioritizer will schedule queries from table 'Owners' before queries from table 'Employees':
var scheduler = new PriorityScheduler(
function createResource() {
return new DbConnection();
},
/*jobsLimit=*/4,
/*prioritizer=*/ { getPriority: function(jobContext) {
switch (jobContext.table) {
case 'Employees':
return 1;
case 'Owners':
return 2;
default:
return 0;
}
});
PriorityScheduler's Scheduling algorithm
First, it is important to understand that the PriorityScheduler does not guarantee to schedule high priority jobs first. The scheduler should improve performance, thus it is limited to perform short and efficient operations regularly. For the scenario we used the PriorityScheduler, we found it useful enough to compare the priorities of only the last enqueued jobs and schedule one of them (the number of the new enqueued jobs considered is controlled by the option argument numNewJobs). If you have a different scenario you are invited to contribute support of another behaviour. Older jobs are scheduled only after the new ones has been scheduled, or after a "rerank" is performed (see below).
Second, if the priority of jobs change over time, then the probability that highest priority job will be scheduled first is decreased. For performance reason the PriorityScheduler sorts the jobs when enqueued and do not recalculate priorities of jobs that their priorities were already calculated as low (that's true for old jobs only; for the new jobs, as described in the previous paragraph, the priority is recalculated each time that a resource is freed).
To partially overcome some problems raised because of the above mentioned behaviour, the PriorityScheduler performs "rerank" of priorities after some jobs have been scheduled. The "rerank" recalculates priorities of all jobs in the system, and takes the highest priority jobs to be the "newest jobs" so they will be scheduled first. The time to perform "rerank" is determined by the number of scheduled jobs and may be controlled by the numJobsBeforeRerankOldPriorities argument.
Finally, the PriorityScheduler may not schedule low priority jobs even if a resource is free and no higher priority jobs exist. It may happen if the programmer chose that higher priority jobs will always be guaranteed free resources. In such situation, lower priority job will be scheduled only if after scheduling there will still be enough free resources waiting for potential higher priority jobs. This option is controlled by the and options. This mechanism is not active by default (Values of zero in those options implicitly cause it to be inactive).
PriorityScheduler options
The fourth argument of the PriorityScheduler constructor, is an option object that may contain the following properties:
- showLog - Boolean. Determines if to show log to the console. Defaults to false.
- schedulerName - String. A scheduler name to show in the log messages (effective only if showLog = true).
- numNewJobs - Number. Determines the number of the new jobs which are to be scheduled first (see PriorityScheduler's Scheduling algorithm section). Defaults to 20.
- numJobsBeforeRerankOldPriorities - Number. Determines how many jobs will be scheduled before a "rerank" will be performed (see PriorityScheduler's Scheduling algorithm section). Defaults to 20.
- resourcesGuaranteedForHighPriority - Number. Determines the amount of resources to guarantee for potential high priority jobs (see PriorityScheduler's Scheduling algorithm section). Defaults to 0.
- highPriorityToGuaranteeResource - Number. The minimal priority to guarantee resources for. Defaults to 0.
Using prioritizer to abort waiting jobs
To cause a job to be aborted, the prioritizer just need to return a negative value in the getPriority function when accepting the requested job.
A job which has already been scheduled may not be aborted. Only jobs that are waiting for scheduling may be aborted. Jobs which have been yielded and waiting for rescheduling may also be aborted.
Demo
The following demo shows the basic usage of the PriorityScheduler.
Let's begin with setting the environment for the job scheduling:
In the above code, the PriorityScheduler constructor was passed the createResource and prioritizer arguments which are defined below. The createResource function defines a stub for a Database connection. The prioritizer defines that the priority of the job is defined by number of queries remaining for the job (using data that will be bookkeeped into the jobContext):
Now that we have the environment we can implement the job itself. In our example, the job will perform some queries to the Database. The following code performs a single query:
And a simple implementation of a job can use the above code:
Finally, if we run the above code, we get that the code does not preserve the priorities we defined. That's because after a job was scheduled it will hold the resource until performing all queries, although its priority degrades when the job performs more and more queries. To overcome this problem, we may use the tryYield() function:
To run the abvoe demo code, set the parameters as you wish and execute the demo.
| newJobEveryMs | |
| maxNumQueriesPerJob | |
| jobsLimit | |
| numNewJobs |
| numJobsBeforeRerankOldPriorities | |
| resourcesGuaranteedForHighPriority | |
| highPriorityToGuaranteeResource | |
| useYield |


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|
Raytracer
1.0.0
|
#include <GlossySpecular.h>
Public Member Functions | |
| GlossySpecular () | |
| virtual RGBColor | f (const Surface &sr, const glm::vec3 &wi, const glm::vec3 &wo) const |
| void | SetSpecularReflection (const float ksr) |
| void | SetSpecularColor (const RGBColor &color) |
| void | SetSpecularExponent (const float ksexp) |
| Public Member Functions inherited from BRDF | |
| BRDF () | |
| virtual RGBColor | rho (const Surface &sr, const glm::vec3 &wo) const |
| virtual RGBColor | SampleF (Surface &sr, const glm::vec3 &wi, glm::vec3 &wo) |
| virtual RGBColor | SampleF (Surface &sr, const glm::vec3 &wi, glm::vec3 &wo, float &pdf) |
| void | SetSampler (std::shared_ptr< Sampler >) |
Additional Inherited Members | |
| Protected Attributes inherited from BRDF | |
| std::shared_ptr< Sampler > | m_SamplerPtr |
The glossy specular bidirectional reflectance distribution function abstraction.
| GlossySpecular::GlossySpecular | ( | ) |
Standard constructor.
|
virtual |
Computes the reflected radiance along wo.
| sr | Information about the surface of the object. |
| wi | Incoming light direction. |
| wo | Reflected light direction. |
Reimplemented from BRDF.


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Lesson 2
This is Ruby4Kids
OK, the first lesson we learned, was to open a window in Gosu. We learned to draw a player inside the game window. We learned to move this player around the game window. We also limited its movement to just the bounds of the game window.
Now we are ready to add more excitement to the game.
How about if we play dodge ball with our player? We can have a ball that appears as if thrown into the game window, and our player dodges the ball by moving with the arrow keys.
So let's try that. First let's find a picture of a ball we can use. Save it somewhere on disk you can find it.
So we create a new class for our dodge ball:
class Ball
def initialize(game_window)
@game_window = game_window
end
def update
end
def draw
end
end
Now we will make this ball come from the top of the screen, and drop down from random places.
We accomplish this by setting the initial position @x
to a random number between 0 and the width of the game window, in pixels.
@x =<EMAIL_ADDRESS>This means that when the game starts, that the random method will give us a position somewhere between 0 and the width of the game window
The @y
position for this ball will be 0 since it is at the top during initialize.
Now with each update, we need to make the ball move down, so let's say the ball moves 1 pixel with every update. We will see how fast that is.
We do this in the update, where we change the @y
position by 1 pixel like this:
@y = @y -1
As we have learned, we need to trap for when the ball goes off of the screen. If the ball goes beyond the screen, we want to start again, find a random position from the top of the screen and drop the ball again.
So we can do this by adding our familiar if statement like this:
if @y > @game_window.height
@y = 0
else
@y = @y - 1
end
Now we will do something else, we want the ball to start dropping from another position. Not the same x position as before. So in the line where we reset @y to 0, we also change the @x position to be another random position like this:
@x =<EMAIL_ADDRESS>OK, let's see if this works.
The ball goes down as expected, we now need to make sure that if the ball hits the player, the game stops. How do we do this?
Let's go back to our update method. In the update method, we can write a method to check for this and stop the game if hit.
Distance between ball and the player:
if @player1.hit_by? @ball
stop_the_game
end
if Gosu::distance(@x, @y, star.x, star.y) < 35
end


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the and for that with {background this not The margin quarantine {border-style was px;} #ffffff;} are Eyam measures but from al. could have how people social more when International outbreak plague Health Plague Upshurâ€™s health other were Principles public px; such which {font-family COVID- Eyam, all epidemic ethical font-size order some these they village Public This can contagion different double; during face first has history many may must pandemic should what where will would Article Mompesson Political Siracusa bold border-color border-width community contemporary epidemics ethics least life like local measures. need often one only rights same solid; {font-style {font-weight (Brooks Civil Commons Covenant Creative Derogation February History Journal Limitation London May Provisions also always based been between caused citizens clear courier; critical em; even guidance his human important information interest its justified light line mild place possible possible, provide providing psychological pt;} recent reflection resources scarce studies suspicion their things time very who


{% extends "scout/base.html" %} {% load staticfiles %} {% block title %}Filter places{% endblock %} {% block web_content %}
Choose one or multiple of the following choices to narrow/expand your results.


Your daily dose of fun!
iFunny is a picture sharing website that allows users to upload any picture they choose. If you need a laugh or just something to brighten your day a little, scrolling through the site will be sure to put a smile on your face!
Starting Out
I started by studying the original iFunny website. I made sure that I was able to program and learn anything that the website did. Once I established a bit of structure, I began with laying out most routes and props that were going to be needed. From there, I was able to start copying and modifying the website to my best ability.
Half-Way Point
By this point I had figured out how to upload pictures and display them on the website. I had set up a lot of the endpoints like creating tags, liking/unliking the pictures, and I had begun playing around with the search function. Most of the website looked decent and I started to set up digital ocean to host the website. Mobile views of every page were made as soon as the desktop views were finished. I did not struggle at all with fitting things the small views because cloning them from the original website was actually very easy.
The hardest part at this point was keeping track of the many endpoints and making sure that implementing something new would not break things.
Finishing Up
I finished up with polishing the comment system and adding user profiles. I fixed a lot of bugs that kept popping up but I eventually got all of them! (probably not.) I made everything look good in both desktop and mobile, and even added a 404 page.
This was a very fun project, and even though I started to hate it in the end, It was definitely something unique and I learned a lot from it!
If you would like to see the live website, visit:


Metior es una aplicacion movil basada en la interfaz diagnocl. Esta aplicacion puede conectarse a la interfaz y devolver datos de interes de tu vehiculo.
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged.
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged.


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Library: Algorithms
Function
A basic set operation (algorithm) for constructing a sorted union
#include <algorithm> namespace std { template <class InputIterator1, class InputIterator2, class OutputIterator> OutputIterator set_union(InputIterator1 start1, InputIterator1 finish1, InputIterator2 start2, InputIterator2 finish2, OutputIterator result); template <class InputIterator1, class InputIterator2, class OutputIterator, class Compare> OutputIterator set_union(InputIterator1 start1, InputIterator1 finish1, InputIterator2 start2, InputIterator2 finish2, OutputIterator result, Compare comp); }
The set_union() algorithm constructs a sorted union of the elements from the two ranges. It returns the end of the constructed range. set_union() is stable, which means that if an element is present in both ranges, the one from the first range is copied. The result of set_union() is undefined if the result range overlaps with either of the original ranges. Note that set_union() does not merge the two sorted sequences. If an element is present in both sequences, only the element from the first sequence is copied to result. (Use the merge() algorithm to create an ordered merge of two sorted sequences that contains all the elements from both sequences.)
set_union() assumes that the sequences are sorted using operator<(), unless an alternative comparison function object (comp) is provided.
At most ((finish1 - start1) + (finish2 - start2)) * 2 -1 comparisons are performed.
// // set_unin.cpp // #include <algorithm> #include <set> #include <iostream> int main () { _USING (namespace std); typedef set<int, less<int>,allocator<int> > Set; // Initialize sets. int a1[] = {2, 4, 6, 8, 10, 12}; int a2[] = {3, 5, 7, 8}; Set s1 (a1, a1 + sizeof a1 / sizeof *a1); Set s2 (a2, a2 + sizeof a2 / sizeof *a2); Set result; // Create an insert_iterator for result. insert_iterator<Set> res_ins (result, result.begin ()); // Compute union of two sets. set_union (s2.begin (), s2.end (), s1.begin (), s1.end (), res_ins); // Display result on standard output. typedef ostream_iterator<int, char, char_traits<char> > OSIter; cout << "The result of:" << endl << "{ "; copy (s2.begin (),s2.end (), OSIter (cout," ")); cout << "} union { "; copy (s1.begin (),s1.end (), OSIter (cout," ")); cout << "} =" << endl << "{ "; copy (result.begin (),result.end (), OSIter (cout," ")); cout << "}" << endl << endl; return 0; } Program Output:
The result of: { 3 5 7 8 } union { 2 4 6 8 10 12 } = { 2 3 4 5 6 7 8 10 12 }
includes(), Iterators, set_intersection(), set_difference(), set_symmetric_difference()
ISO/IEC 14882:1998 -- International Standard for Information Systems -- Programming Language C++, Section <IP_ADDRESS>


As noted in my prior post, I expected a busy time in January. It hasn’t disappointed.
I had a lovely wedding – no seriously, check it out. Even with Omicron raging, we had a great turnout, and a greater time. It’s not even been a week, but I’m enjoying married life. Equally as enjoyable is being able to shift focus back to working on the house.
January has been busy at the house as well. We got a radon fan, a new gas range, and recessed lighting in the bedroom. The next major projects are the basement floor and kitchen countertops. In the last few weeks, we* also mounted three TVs (no more exposed wires!), installed our new washer and dryer, and hung some shelving. Not to mention Christmas gifts of a standing desk (to me from Crystal), and a new huge tank (to Raf from Santa).
* I say “we” but almost all of this was via our fantastic contractor.
I just finished my second week at Astute Communications, as their Lead Front-End Developer.
My first project is a Gutenberg+ACF WordPress redesign, and I’m loving it. It’s hosted on WPEngine so I’m getting to leverage Local in a wicked streamlined way. Weirdly, towards the end of my last two jobs, I was angling in a direction that perfectly fits with my current project. At the first, I suggested we take a sharp turn into Gutenberg development, which wasn’t fully prioritized. At the second, we were scoping (in excruciating detail) a broad redesign of a website leveraging Gutenberg as the engine. I’m thriled to be in a position to be able to immediately execute, leveraging what I learned along the way.
It’s early, but I’m loving the dynamic of my new role and setting. I have full confidence in the organization (and the full confidence of it), and am able to focus on execution. Far too often, I’ve been dragged towards project management (not counting when it was my title) rather than the development side of things. If you’re keeping up with my CodePen, I’ve begun accruing “quick and dirty” prototypes to scaffold layout development on my current project.
I’m very thankful for this career move, and I look forward to work each day. I missed being excited about work, which hasn’t been the case in at least the past year. I’ve learned a lot everywhere, but am excited to be in a position to capitalize upon what I’m learning without being bogged in red tape. More than anything, I’m just nerding out here that I finally am getting paid to focus solely on the development side of things. It may run counter to some of my long-term plans, but this has already been such a supremely valuable experience in such a short time.


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Welcome to our sixth note in our Python learning process. In this note we will talk about tuples and dictionaries.
Tuples are similar to lists but its elements can’t be modified. Syntactically, a tuple is a comma-separated list of values:
>>> tuple = ‘a’, ‘b’, ‘c’, ’d’, ’e’
Although it is not necessary, it is conventional to enclose tuples in parentheses:
>>> tuple = (‘a’, ‘b’, ‘c’, ’d’, ’e’)
To create a tuple with a single element, we have to include the ¯nal comma:
>>> t1 = (‘a’,)
>>> type(t1)
<type ’tuple’>
Without the comma, Python treats (‘a’) as a string in parentheses:
>>> t2 = (‘a’)
>>> type(t2)
<type ‘string’>
Tuples assignment could be used to perform multiple assignments in one statement. For example, to swap a and b we can make it like that:
>>> a, b = b, a
The left side is a tuple of variables; the right side is a tuple of values. Each value is assigned to its respective variable.
Dictionaries are like lists and tuples in that all of them are compound types.
Dictionaries are different than lists and tuples in that it can use any immutable type as an index not only integers like tuples and lists. Dictionaries are not ordered.
To create an empty dictionary and then add elements to it:
>>> eng2sp = {}
>>> eng2sp[‘one’] = ‘uno’
>>> eng2sp[’two’] = ‘dos’
>>> print eng2sp
{‘one’: ‘uno’, ’two’: ‘dos’}
You can also create the dictionary by providing a list of key-value pairs:
>>> eng2sp = {‘one’: ‘uno’, ’two’: ‘dos’, ’three’: ’tres’}
>>> print eng2sp
{‘one’: ‘uno’, ’three’: ’tres’, ’two’: ‘dos’}
del statement removes a key-value pair from a dictionary.
>>> inventory = {‘apples’: 430, ‘bananas’: 312, ‘oranges’: 525, ‘pears’: 217}
>>> print inventory
{‘oranges’: 525, ‘apples’: 430, ‘pears’: 217, ‘bananas’: 312}
>>> del inventory[‘pears’]
>>> print inventory
{‘oranges’: 525, ‘apples’: 430, ‘bananas’: 312}
The len function also works on dictionaries; it returns the number of key-value pairs:
>>> len(inventory)
4
The keys method takes a dictionary and returns a list of the keys.
< p>>>> eng2sp.keys()
[‘one’, ’three’, ’two’]
The values method is similar; it returns a list of the values in the dictionary:
>>> eng2sp.values()
[‘uno’, ’tres’, ‘dos’]
The items method returns both, in the form of a list of tuples|one for each key-value pair:
>>> eng2sp.items()
[(‘one’,‘uno’), (’three’, ’tres’), (’two’, ‘dos’)]
The method has_key takes a key and returns true (1) if the key appears in the dictionary:
>>> eng2sp.has_key(‘one’)
1
>>> eng2sp.has_key(‘deux’)
0
Dictionaries are objects that can be aliased like that:
>>> opposites = {‘up’: ‘down’, ‘right’: ‘wrong’, ’true’: ‘false’}
>>> alias = opposites
Or copied to a new fresh copy like that:
>>> copy = opposites.copy()
This note completed the compound data types talk we started before with lists. Lists, tuples, and dictionaries are the compound data types that Python provides. You can use them as is or you can use them to build a more complex data types and containers.


Empyreal
-
Utilities
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Content
-
Components
-
Forms
In the beginning, the Web was just text, and it was really quite boring. Fortunately, it wasn't too long before the ability to embed images (and other more interesting types of content) inside web pages was added. There are other types of multimedia to consider, but it is logical to start with the humble
img
element, used to embed a simple image in a webpage.


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In general, when visiting the website of Stagecast AB, no personal data are saved. However, these data can be given on a voluntary basis. No data will be passed on to third parties without your consent. We point out that in regard to unsecured data transmission in the internet (e.g. via email), security cannot be guaranteed. Such data could possibIy be accessed by third parties.
This website uses Google Analytics, a web analytics service provided by Google, Inc. (»Google«). Google Analytics uses cookies, which are text files placed on your computer, to help the website analyze how users use the site. The information generated by the cookie about your use of the website (including your IP address) will be transmitted to and stored by Google on servers in the United States. In case of activation of the IP anonymization, Google will truncate/anonymize the last octet of the IP address for Member States of the European Union as well as for other parties to the Agreement on the European Economic Area. Only in exceptional cases, the full IP address is sent to and shortened by Google servers in the USA. On behalf of the website provider Google will use this information for the purpose of evaluating your use of the website, compiling reports on website activity for website operators and providing other services relating to website activity and internet usage to the website provider. Google will not associate your IP address with any other data held by Google. By using this website, you consent to the processing of data about you by Google in the manner and for the purposes set out above


The concept of digital twin, as a virtual replica of a physical entity, has gained traction recently in a range of domains such as industry, construction, energy, health or transport. Digital Twins can be used to view the status of the twinned physical object, without the need to interrogate the object itself. The digital twin can be queried by other software without the need to query the device itself thus relieving pressure on devices, which typically have very limited computational capabilities. Digital twins can also be used for monitoring and diagnostics to optimize device performance without impacting on the physical device.
Digital twins require unambiguous descriptions of both the entity and its digital counterpart, as well as the ability to integrate data from heterogeneous sources of information (including real-time data) and to interact with the physical world. Given these requirements, semantic technologies will play a significant role in bringing digital twins to reality.
The aims of the SeDIT workshop are twofold. Firstly, to initiate discussion about current trends and future challenges of semantic digital twins. Secondly, to support communication and collaboration with the goal of aligning the various efforts within the community and accelerating innovation in all the associated fields.
Submissions must be in PDF, formatted in the style of the Springer Publications format for Lecture Notes in Computer Science (LNCS). For details on the LNCS style, see Springer’s Author Instructions.
All papers and abstracts have to be submitted electronically via the EasyChair conference submission system. The accepted contributions will be published in the proceedings of the workshop. Each accepted paper needs to be presented by one of the authors at the workshop.
The invited keynote speaker for the first edition of the SeDiT workshops is Ljiljana Stojanovic, Head of the Smart Factory Systems group in the Department of Information Management and Production Control at the Fraunhofer IOSB.
Submit your paper.
The notification and reviews from our Program Committee will be available.
Time to have your paper ready for being published. All the accepted paper will be published in the proceedings.
Keynote, papers presentations, demo jam and a lot of discussion. Remember! If your contribution is accepted, it needs to be presented by one of the authors at the event.


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As a great enthusiast for the postprandial nap, which I like to think of as a mark of civilised behaviour, I was somewhat alarmed to read the advice of Dr Andrew Boorde, writing in his Dyetary of Helth in 1542: “Whole men of what age or complexion soever they be of, should take their natural rest and sleep in the night, and to eschew all meridial sleep. But, an need shall compel man to sleep upon his meat, let him make a pause, and then let him stand, and lean and sleep against a cupboard.”


Sample a bit of Jenny Slate’s imagination in ‘Little Weird
by LINCEE RAY“Little Weirds” (Little, Brown and Co.), by Jenny Slate
Jenny Slate is an artist in the broadest sense of the word. You may know her as a comedian, an actress, or a co-creator of short films. She lends her matchless voice to several animated films and even writes children’s books. If you look at her body of work, you would categorize her as a funny human being.
“Little Weirds” diverges in an entirely different direction.  Adjust your expectation of a run-of-the-mill memoir and ready yourself to drop straight into Slate’s imagination.
Slate writes about love and heartbreak, living and dying. Although these topics are relatively relatable, the creative approach of each essay is abstract.  As a result, we join her in her dreams, in the body of a mouse, various states of death and meeting the dark-haired man.
At times the essays feel like sporadic streams of consciousness torn from random pages of Slate’s diary. At other times, the language is so flowery, you need to read it twice to remotely understand where Slate is going. What else would you expect from a woman who celebrates all the little weirds in her life?
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@* * Copyright 2023 HM Revenue & Customs * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *@ @( field: Field, label: Option[String] = None, id: String, message: String )(implicit messages: Messages)


--- title: "LANDSCAPING WITH BULBS" date: "2000-01-01 21:03:16 -06:00" categories: - adult subtitle: "" layout: "events" event-image: "daffodils-tulips-and-more.jpg" event-dates: "TUESDAYS, MARCH 16 & APRIL 13 SATURDAYS, MARCH 20 & APRIL 13" event-location: "Red Butte Garden" button-type: "register" tickets-link: "https://55218.blackbaudhosting.com/55218/Landscaping-with-Bulbs---316320--413417" registration-info: "" instructor-info: "Crystal Kim, Red Butte Garden" member-cost: "$90" public-cost: "$110" event-notes: "" tickets-button: "" published: true ---
PART ONE, MARCH 16 @ 6-7:30PM ONLINE
& MARCH 20 @ 10-11AM OR 11:30AM-12:30PM (IN-PERSON)
PART TWO, APRIL 13 @ 6-7:30PM ONLINE
& APRIL 17 @ 10-11AM OR 11:30AM-12:30PM (IN-PERSON)
REGISTRATION REQUIRED
Discover different species of bulbs and receive design tips to help you make appropriate bulb selections for your garden and ensure beautiful color throughout the spring. You will also learn basic bulb anatomy, when and where to plant, how to care for a bulb collection and where to purchase. This class meets during early and mid-spring peak bloom, first Tuesday evening online and then Saturday for a socially-distanced garden walk to see bulbs in person.
Learn more about Red Butte Garden's Bulbs & Blooms!


Advanced topics¶
This section of the documentation will cover the internal details of PyVISA. In particular, it will explain in details how PyVISA manage backends.
This section of the documentation will cover the internal details of PyVISA. In particular, it will explain in details how PyVISA manage backends.


I spend most of my day in Visual Studio with lots of the goodies an IDE can offer. One of them being able to run your tests from a keystroke.
In a bid to expand my mind I'm working on a little project that is made up of JS entirely so I've dug out Sublime Text. It has lots of plugins that are very handy, especially Sublime-HTMLPrettify which will tidy your HTML, CSS & JS for you.
When writing tests for JS there are many libraries you can use but I've chosen Mocha for now. The one thing I couldn't work out was to run my tests within Sublime Text until now.
Sublime allows you to have build systems a bit like an IDE so you can tell it what to do when you invoke it via cmd+B.
To get Mocha to run we need to create a new build system. To do this click Tools - Build System - New Build System and paste in the below:
{
"cmd": ["make"],
"file_regex": "^(..[^:]*):([0-9]+):?([0-9]+)?:? (.*)$",
"working_dir": "${project_path:${folder:${file_path}}}",
"selector": "source.makefile",
"shell": true,
"variants": [{
"name": "Clean",
"cmd": ["make", "clean"]
}]
}
Click Save and call it Mocha
Now when you have a project go to Tools - Build System and select Mocha
A Make file is a script that allows you to execute various commands and its what our build system looks for when we tell Sublime to build our project. We need a file called makefile
in the root of our project. Inside that makefile
we can invoke Mocha to run our tests.
Place this in your makefile
:
test:
mocha --recursive --reporter spec moviebucketlist.tests/*.js
.PHONY: test
Now when you invoke the build system via cmd+B in Sublime it will execute Mocha and give you the results in the console of Sublime. Mocha by default will look for a folder called test
and execute the tests inside it. If you have a different folder name you can append the folder name and wildcard to js files like I have done above.
Happy Coding!


Tiled example map loader:
Village
Desert
Sewers
Isometric
Orthogonal
Perspective
Hexagonal-mini
RPG Island
Magic Land Dizzy
jb-32 desert
gameart2d desert
gameboy space
island-rotated-tiles
(Use arrow keys or mouse wheel to scroll to the selected map)


Quest cat food recalled over possible salmonella contamination
by ABC7.com staffA Utah-based cat-food company has issued a nationwide recall over possible salmonella contamination.
Go Raw is recalling its Quest brand two-pound frozen bags of beef cat food.
The recall was put into place after a sample tested positive for salmonella.
Health officials say cats are not the only ones at risk. So are humans who handle the food.
To find out if your cat's food is affected, check the UPC codes on the FDA's website.
Consumers can also call the company at<PHONE_NUMBER>, Monday-Friday, 9:00 a.m. to 4 p.m. MST.


Countdown: {{days}} days, {{hours}} hours, {{minutes}} minutes, {{seconds}} seconds.
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Congratulations to our founding director, Anubha Maneshwar for making it to Forbes under 30 list of class 2020. 300 Entrepreneurs made it to the list in 10 categories.
Read full storyGirlScript Foundation are here with Education Outreach Scholarship under which first 1000 students will get Scholarship in 5 different courses.
Read full storyWomen Techmakers Scholars Program APAC 2020 Scholarship is an opportunity for all undergraduate women to get a great exposure in the field of Compsc. by encouraging women to excel.
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A copy of agent.jar can be downloaded from here.
In a simple case, this could be something like "ssh hostname java -jar ~/bin/agent.jar". However, it is often a good idea to write a small shell script, like the following, on an agent so that you can control the location of Java and/or agent.jar, as well as set up any environment variables specific to this node, such as PATH.
#!/bin/sh exec java -jar ~/bin/agent.jar
You can use any command to run a process on the agent machine, such as RSH, as long as stdin/stdout of this process will be connected to "java -jar ~/bin/agent.jar" eventually.
In a larger deployment, it is also worth considering to load agent.jar from a NFS-mounted common location, so that you don't have to update this file every time you update Jenkins.
Setting this to "ssh -v hostname" may be useful for debugging connectivity issue.


Simple sample calling Watson Content Hub APIs from JS in a modern browser
- You must set the API URL specific to your tenant, in the options passed to the wchhelper.
- You must also pass the username and password for a valid WCH tenant user, for login, to use the authenticated portion of this sample.
- Check your browser debugger for more information if confirmation dialogs do not appear, or appear with errors instead of response data.


{% extends "base.html" %} {% load static %} {% block content %}
letterpress copying An early form of document copying by transfer of ink from a freshly written document to a moistened sheet of copying paper, using direct contact and pressure
An early form of document copying by transfer of ink from a freshly written document to a moistened sheet of copying paper, using direct contact and pressure


"Rush Hour 2"
In 1998, director Brett Ratner and his stars, Jackie Chan and Chris Tucker, breathed new life into the buddy-action film genre with the cross-cultural "Rush Hour" - to the tune of about $250 million. You don't mess with success, so the team is back again, and better, in "Rush Hour 2."
The combo of the terrific physical talents of Chan and the non-stop motor mouth of Tucker made for an ethnically unusual duet in "Rush Hour" that played well to audiences around the world. The formula worked so well, in fact, that the sequel was inevitable. I'm never thrilled with the idea of a follow-up to a successful original since they rarely meet the previously set expectations. Surprisingly, "Rush Hour 2" wastes no time getting down to business and turns out to be better than the flick that spawned it.
The script, by Jeff Nathanson (utilizing the characters developed by Ross LaManna in the first film), wastes no time getting to the point right from the start. Terrorists have bombed the US embassy in Hong Kong, killing two American translators, and Chief Inspector Lee (Jackie Chan) is handed the job of solving the crime. Concurrently, his friend James Carter (Chris Tucker) arrives on the island for some much needed R&R and expects his friend to spend some time and show him the sights. Instead, Lee drags Carter into the case and the duo get involved in stopping a conspiracy to counterfeit hundreds of million of US dollars.
The makers of "Rush Hour 2" are working at a distinct advantage over the original. We, the viewer, are familiar with the two lead characters and the already-existing chemistry that Chan and Tucker developed so well the first time around. That chemistry was a high point (and probably the saving point) before and, now, the pair wears their friendship like a comfortable suit. Little time is wasted in getting to know the key players so the screenplay capitalizes on those things we liked best in "Rush Hour."
First and foremost to me, in "RH2," is the immense pleasure in watching Jackie Chan's artistry in fight choreography. The 47-year old martial arts master has a renowned reputation for doing all of his own stunt work and, here, he does not disappoint. Chan's use of props when battling bad guys continues as he pulverizes his opponents with whatever item comes to hand, such as a trash bucket. His moves look every bit as good as they ever did as he fights four or five nemesis at once on bamboo scaffolding, on the tail end of a yacht, in a Hong Kong massage parlor and, for the finale, in a Las Vegas casino. Like Harold Lloyd or Buster Keaton, Chan takes pride in putting his physical self on the line in pursuit of his artistry and is a joy to watch.
Chris Tucker reprises his role as the motor mouthed LA cop, Carter, who teams, again, with Lee to put down the bad guys. When he is unceremoniously pulled from his vacation to help his colleague and friend with the big case, he still looks to have some fun. When Lee goes into a karaoke bar, the lair of chief bad guy Ricky Tan (John Lone) and his hoods, Carter takes the spotlight on stage with a credible Michael Jackson riff. The comedian made the move from the improv stage to the big screen and, with Jackie Chan, has a franchise to hang his coat on to pay the bills. The combo of Chan's flying feet and fists with Tucker's fast mouth make a duet more endearing than Riggs and Murtaugh in the "Lethal Weapon" films.
The supporting cast is here to move things along efficiently. John Lone, as Ricky Tan, is a suave villain who is the real power behind the throne of American bigwig Steven Reign (Alan King in a walk through performance). Lone doesn't chew scenery or make pronouncements to "get Lee and Carter," but gives the chief bad guy elegance. Zhang Zi-Yi ("Crouching Tiger, Hidden Dragon") continues to display her martial arts skills as Ricky's taciturn henchlady, Hu Li, who carries on an ongoing battle with Carter. (Carter has a problem, through most of the film, with hitting a woman, but this falls aside with their eventual one-on-one melee at the conclusion.) Roselyn Sanchez is knockdown gorgeous (and resembles Sandra Bullock) as undercover agent Isabella Molina - she doesn't add much to the equation but is terrific to watch.
Director Ratner and the original "Rush Hour" production team have assembled a crew of skilled craftsmen to work behind the camera. Cinematographer Matthew F. Leonetti has had a long career of shooting action flicks and gives "RH2" the fluid camera movement the genre film needs. Production design by Terrence Marsh spans continents and gives the right look, whether it is in a Hong Kong karaoke bar or a high stakes Las Vegas casino. The rest of the techs are of the same high quality.
I'm surprised to even say that "Rush Hour 2" is the most entertaining of the summer blockbuster movies. It takes the best of the first film and kicks Jurassic dino butt in its fun, frolic and fast pace and is the best mainstream thing out, so far, this summer. I give it a B.
For more Reeling reviews visit www.reelingreviews.com
<EMAIL_ADDRESS><EMAIL_ADDRESS>========== X-RAMR-ID: 29023 X-Language: en X-RT-ReviewID: 241094 X-RT-TitleID: 1109232 X-RT-SourceID: 386 X-RT-AuthorID: 1488 X-RT-RatingText: B
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What is Lorem Ipsum?
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.
Consulta da tabela mais reclações
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echo "0 results";
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mysqli_close($conn);
?>
Consultar ultimas queixas
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Here's a div filled with randomly generated circles
Here's a div filled with randomly generated circles
Got the idea from one of the Grasshopper examples and now I made it in a site instead of in the app!
Bonus points if you hit F5 to the beat of Bohemian Rhapsody.


Adversarial Machine Learning
Machine learning and especially deep learning have gained significant attention with the advance in the parallel computation units (GPU, TPU, etc). Higher computational power allowed us to be able to train more complex and expressive neural networks which perform even better than human experts in a number of fields. AlphaGo which is developed by deepmind to play the game of Go was able to beat 18-time world champion Lee Sedol on March 2016. Furthermore, in a well known image classification benchmark imagenet DNNs have already surpassed human performance. All these successes boosted research on DNNs even further.
Despite deep networks incredible performance in image classification tasks, they have recently been shown that they are easy to fool with carefully designed small perturbations to their input which is imperceptible to humans. Recent studies show that most of the well-performing neural networks can succesfully be fooled with a tiny perturbation. With these results, a great effort put forward by the research community to account for this phenomenon in recent years.
On this blog, we summarize the most recent adversarial attack and adversarial defense methods. Moreover, we try to give the intuituion behind all these methods so that reader can develop his/her own ideas on top of the state of the art methods. Here we need to note that there is no simple defense mechanism which is robust to all kind of adversarial examples like human visual system. It’s been shown that defending against threat models is not an easy task. One can say that even human visual system is not a robust one since it can be easily fooled by illusions. However, our main goal in deep neural networks is that we want to make sure they work similar to human visual system so that they will not be fooled by any kind of perturbations that are imperceptible to humans.
Neural Networks
One needs to understand how deep neural networks are trained to perform a wide variety of tasks to be able to digest how threat models are developed and performed. Bear with me, I will try to give quick summary of neural networks. Deep neural networks consist of serially connected layers which are simply connected by nonlinear activation functions (ReLU, sigmoid, tanh, etc.). These layers are nothing but matrix multiplications which are specifically tuned for the task at hand.
$$ \hat{y}=f_L(…f_1(W_1 * f_0(W_0 * x+b_0))+b_1)…) \quad \quad \text{: Neural network as a function} $$ Where $W_l$ and $b_l$ correspond to the parameters of $l$th layer and $f_l$ corresponds to the $l$th layer activation function.
In order to train neural network we need labels and a well-defined loss function to approximate these labels. Labels are basically class names for a clasification task (imagine a binary classification with 2 labels: cat, dog) which are expressed as one hot vectors ([1,0] for cat, [0,1] for dog). Output of the neural network will be an array consisting of scalar numbers corresponding to the probabilities of each class (for our example cat and dog e.g [0.9, 0.1] => probability of cat and dog for given image respectively). Computation of loss is rather easy, we need to define loss function such that if our predictions are close to the original label, loss should be small, else, it should be high. There are a number of different loss functions one of which (the most popular one) is cross entropy loss defined as:
$$ Loss = -\sum_{c=1}^{M} y_c \log(\hat{y_c}) \quad \quad \text{: Cross entropy loss for multiclass} $$
where $c$ corresponds for the class index, $y$ corresponds for the one hot label and $\hat{y}$ corresponds for the prediction propabilities of our neural network. If given label is corresponding to class c then we want to make sure prediction of class c is close to one (1 means neural net thinks that the given image is 100% from that class) so that loss decreased. Observe that negative sign in front of the loss is there to make Loss function positive because we have prediction probabilities in between 0 and 1 which makes $log$ output negative. On the other hand if $y$ corresponding to class c is zero we don’t care about the prediction of that class at all.
Now we need to train our neural network so that we can decrease loss and predict close to the original labels. How can we do that? The answer is simple, and comes from the calculus. All we need to do is that taking derivative of the loss with respect to the parameters of the neural network and subtract it from the parameters to decrease loss function. This operation is called gradient descent. First question comes into mind after all these explanation is that how can one compute the derivatives after all serially connected layers, especially for intermediate layers. Don’t worry about this though, because back-propagation algorithm is doing the magic for us, and calculate all the derivatives (gradients). We will not discuss the details of back-propagation algorithm since it is beyond the scope of this talk. With the help of back-propagation and gradient descent we train our network with training dataset to decrease loss.
$$ W = W - \nabla_{W}(Loss) \quad \quad \text{: Gradient step for all parameters} $$
$$ w_{il} = w_{il} - \frac{\partial Loss }{\partial w_{il}} \quad \quad \text{: Partial derivative wrt a specific parameter} $$
Where $w_{il}$ corresponds to layer $l$s $i$th parameter. To summarize, since gradient gives the direction to increase the given function, by subtracting it, we are able to decrease loss (thanks calculus).
After a number of iterations (epochs), neural network becomes ready to perform classification task. With a distinct test set one can evaluate the trained model to see the performance of it. So far, we learned how the standard training work, let us dive into how we generate adversarial examples which fool the neural network we trained.
Generating Adversarial Examples
We mentioned the power of the gradient descent, and how it is able to decrease loss function significantly over training process. Can you believe gradient descent is also a tool to create adversarial images for our neural network? Things are getting excited now, …


| 002:093 Khan | : |
And (remember) when We took your covenant and We raised above you the Mount (saying), "Hold firmly to what We have given you and hear (Our Word). They said, "We have heard and disobeyed." And their hearts absorbed (the worship of) the calf because of their disbelief. Say: "Worst indeed is that which your faith enjoins on you if you are believers." |
| 002:093 Maulana | : |
And when We made a covenant with you and raised the mountain above you: Take hold of that which We have given you with firmness and obey. They said: We hear and disobey. And they were made to imbibe (the love of) the calf into their hearts on account of their disbelief. Say: Evil is that which your faith bids you if you are believers. |
| 002:093 Pickthal | : |
And when We made with you a covenant and caused the Mount to tower above you, (saying): Hold fast by that which We have given you, and hear (Our Word), they said: We hear and we rebel. And (worship of) the calf was made to sink into their hearts because of their rejection (of the covenant). Say (unto them): Evil is that which your belief enjoineth on you, if ye are believers. |
| 002:093 Rashad | : |
We made a covenant with you, as we raised Mount Sinai above you, saying, "You shall uphold the commandments we have given you, strongly, and listen." They said, "We hear, but we disobey." Their hearts became filled with adoration for the calf, due to their disbelief. Say, "Miserable indeed is what your faith dictates upon you, if you do have any faith." |
| 002:093 Sarwar | : |
(Children of Israel) when We made a covenant with you, raised Mount Tur (Sinai) above you, and told you to receive devotedly what We had revealed to you and to listen to it, you said that you had listened but you disobeyed. They denied the truth and became totally devoted and full of love for the calf. (Muhammad) tell these people, "If, in fact, you are true believers, then what your faith commands you to do is evil." |
| 002:093 Shakir | : |
And when We made a covenant with you and raised the mountain over you: Take hold of what We have given you with firmness and be obedient. They said: We hear and disobey. And they were made to imbibe (the love of) the calf into their hearts on account of their unbelief Say: Evil is that which your belief bids you if you are believers. |
| 002:093 Sherali | : |
And remember the time when WE took a covenant from you and raised high above you the Mount, saying 'Hold firmly to what WE have given you and hearken;' They said, 'We hear and we disobey;' and their hearts were saturated with the love of the calf because of their disbelieve. Say 'Evil is that which your faith enjoins on you if you are believers,' |
| 002:093 Yusufali | : |
And remember We took your covenant and We raised above you (the towering height) of Mount (Sinai): (Saying): "Hold firmly to what We have given you, and hearken (to the Law)": They said:" We hear, and we disobey:" And they had to drink into their hearts (of the taint) of the calf because of their Faithlessness. Say: "Vile indeed are the behests of your Faith if ye have any faith!" |
Concepts/Themes Covered: الديانات > بنو إسرائيل > أخذ الميثاق عليهم Religions>Children of Israel>To Take Covenant on them
This tool uses eight English parallel translations for the Holy Quran imported from Mr. Clay Smith. You can also visit Qurany Concepts for browsing the Quran themes or topics. If you want to search the Holy Quran for keywords, please visit Qurany Keywords.


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Foglie d'ulivo {{IPA-it|ˈfɔʎʎe duˈliːvo|}} (also spelled foglie di ulivo) is a variety of handmade pasta made in the shape of olive leaves.
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| OS Online shopping - eCommerce | Java Developer | July 28, 2018 | New York |
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This is the Free Code Camp Tribute Page Challenge. Hosted on CodePen. Get your own Pen here.
"Don’t do anything by half. If you love someone, love them with all your soul.  When you hate someone, hate them until it hurts"
- the man.machine himself
some words about the man.machine
"hit the street and pursued the minimum wage jobs.. that was me in the late 70's"
"I had... a little tiny life with my minimum wage job.. which I liked"
"then i got a lucky break.. at that time i was very frustrated... this is going to be a very tough life.."
"a life of.. a lot of work.. taking it from other people.. and having very little to show for it..."
"and then. Black Flag. the famous band... I jumped on stage and sang with them"
"we're holding auditions, you want a crack at this? I looked at the ice cream scoop in my hand.. and my future.. so I took a train up there"
"ok you're in.. you're the singer in Black Flag.. I said yes to everything.. worked like a crazy man"
"I don't have talent. I have tenacity. I have discipline. I have Focus. I know, without any delusion, where I come from & where I can go back to."
The short history of me by henry rollins
timeline: or, how he got in the van and made punk rawk
- born Henry Lawrence Garfield; February 13, 1961
- Late 70's
- discovers Punk Rock with friend Ian MacKaye (Minor Threat, Fugazi)
- of course, through the Ramones debut album
- Roadie for many local Washington DC bands
- Sometimes singer for some of them
- Sometimes he would sing with Bad Brains
- In short lived band State of Alert
- Early 80's
- Manager of a Hagen Das store
- 1981 Black Flag!!
- all kinds of other stuff
- Rollins band
- Lollapallooza tour
- spoken word stuff
- own publishing house
- own talk show
- movies
- but for me: he was in Black flag!
What does the crowd over at wikipedia have to say about him?
being a kid in a small town and discovering Hank
I suppose you hadda be a kid, in a small town in Northern Ontario, to get why discovering the music of Hank was such a thing. You had to be there at that time to get it.
I mean you have this music which is all about intensity and chaos, coupled with someone who is always saying 'you just have to get up and do it'
'get focussed' 'do your thing' 'do it' 'and just do it fully'
Of course this isn't a quote.. it's how I interpretted what he was saying.
And if you were in that small town wondering what it all means and how you fit into a world you just didn't fit in to (you know the whole round peg in a square hole thang) finding Hank was like 'YES!'
i wish i still had a little hank poem about coffee with some visuals i did for a graphics arts class once up on time. i would link it here..


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Venice hit by another ferocious high tide, flooding city
by Riccardo Bastianello, Emily G RoeVENICE (Reuters) - Venice was inundated by exceptionally high water levels on Friday just days after the lagoon city suffered the worst flood in more than 50 years.
The central St. Mark’s Square was submerged and closed to tourists, while shops and hotels were once more invaded by rising waters bringing fresh misery to the fragile city.
Local authorities said the high tide peaked at 154 cm (5.05 ft), slightly below expectations and significantly lower than the 187 cm level reached on Tuesday — the second highest tide ever recorded in Venice.
But it was still enough to leave 70% of the city under water, fraying the nerves of locals who faced yet another large-scale clean-up operation.
“We have been in this emergency for days and we just can’t put up with any more,” said Venetian resident Nava Naccara.
The Italian government declared a state of emergency for Venice on Thursday, allocating 20 million euros ($22 million) to address the immediate damage. Mayor Luigi Brugnaro predicted on Friday the costs would be vastly higher.
“Venice was destroyed the other day. We are talking about damage totaling a billion euros,” Brugnaro said in a video posted on Twitter. “This is a state of emergency, but we are managing it.”
Sirens wailed across Venice from the early morning hours, warning of the impending high tide, and the crypt beneath St. Mark’s Basilica was swiftly inundated.
After Friday’s high waters, forecasters predicted tides of up to 110-120 cm during the weekend. In normal conditions, tides of 80-90cm are generally seen as high but manageable.
The mayor has blamed climate change for the ever-increasing flood waters that the city has had to deal with in recent years, with the mean sea level estimated to be more than 20 cm higher than it was a century ago, and set to raise much further.
Groups of volunteers and students arrived in the city center to help businesses mop up, while schools remained closed, as they have been most of the week.
At the city’s internationally renowned bookshop Acqua Alta — the Italian for high water — staff were trying to dry out thousands of water-damaged books and prints, usually kept in boats, bath tubs and plastic bins.
“The only thing we were able to do was to raise the books as much as possible but unfortunately even that wasn’t enough ... about half of the bookshop was completely flooded,” said Oriana, who works in the store.
A flood barrier designed to protect Venice from high tides is not expected to start working until the end of 2021, with the project plagued by the sort of problems that have come to characterize major Italian infrastructure programs — corruption, cost overruns and prolonged delays.


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|
MAX7219 library
Library for the MAX7219, needs libraries hwlib and bmptk to work.
|
MAX7219 8x8 ledmatrix controller. More...
#include <MAX7219.hpp>
Public Member Functions | |
| MAX7219 (xy size, pin_out &clk_pin, pin_out &din_pin, pin_out &load_pin, unsigned int dc_length=1, unsigned int dc_pos=1) | |
| Constructor MAX7219. More... | |
| void | initialize () |
| Initialize the MAX7219. More... | |
| void | clear () override |
| Clear the window. More... | |
| void | flush () override |
| Flush buffer on window. More... | |
MAX7219 8x8 ledmatrix controller.
This is a library for the MAX7219 ledcontroller.
It uses three pin_outs to communicate with the MAX7219.
With the library you are able to daisychain the MAX7219.
The library implements the MAX7219 as a hwlib window.
The interface that the user uses is a hwlib window.
The appropriate constructor is given.
|
inline |
Constructor MAX7219.
The constructor creates a MAX7219 object.
You are obligated to give the windowsize and the three pins, the advised windowsize is 8x8.
If the MAX7219 is used in a daisychain you are obligated to give the daisychain length and position.
dc_pos should NEVER be greater than dc_length. dc stands for daisychain.
Call example: auto window_matrix = MAX7219(xy(8,8), clk, din, load, 3, 2)
|
override |
Clear the window.
This function clears the window.
It also empties out the buffer.
Add start-up call the clear function on the screen to make sure it is empty.
Call example: window_matrix.clear();
|
override |
Flush buffer on window.
This function flushes the buffer to the window.
After flusing the buffer is cleared.
Call example: window_matrix.flush();
| void MAX7219::initialize | ( | ) |


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PEP8 and SDyPy¶
All SDyPy Python code should adhere to PEP8 style guidelines. It’s so important that some continuous integration tests on GitHub will fail due to certain PEP8 violations. Here are a few tips for ensuring PEP8 compliance before pushing your code:
Many integrated development environments (IDEs) have options that automatically check for PEP8 compliance. In Spyder, for example, enable Real-time code style analysis in Tools |rarr| Preferences |rarr| Editor |rarr| Code Introspection/Analysis and “Automatically remove trailing spaces when saving files” in in Tools |rarr| Preferences |rarr| Editor |rarr| Advanced Settings. This can help you fix PEP8 issues as you write your code.
You can also perform checks using the
flake8
tool.If you have existing code with a lot of PEP8 issues, consider using
autopep8
to automatically fix most of them.