uncleflo

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Some cool dude. Higher order of decision making. Absolute.

Registered since September 28th, 2017

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Containers: A Complete Guide | IBM

https://www.ibm.com/cloud/learn/containers

Saved by uncleflo on May 12th, 2019.

This guide looks at the importance of containers in cloud computing, highlighting the benefits and showing how containers figure into such technologies as Docker, Kubernetes, Istio, VMs, and Knative. A container is a small file that packages together application code along with all the libraries and other dependencies that it needs to run. By packaging together applications, libraries, environment variables, other software binaries and configuration files, a container guarantees that it has everything needed to run the application out of the box, regardless of the operating environment in which the container runs. A key characteristic of a container is that it is small and fast because it uses some of the underlying host operating system's resources to run rather than containing a whole OS of its own.

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SQL Server 2016: Create a Database User

https://www.quackit.com/sql_server/sql_server_2016/tutorial/create_a_database_user_in_sql_server_2016.cfm

Saved by uncleflo on May 5th, 2019.

In SQL Server, you can create a database user to allow different users or processes access to a particular database. Even though we have just created a login that can successfully connect to SQL Server, that login still can't access our Music database. This is because we haven't yet associated that login with a database user. There are four things you need to do in order to provide access to a database:

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How TF-IDF algorithm determines keyword importance - arbitrue Blog

https://www.arbitrue.com/blog/tf-idf-algorithm-for-keyword-importance/

Saved by uncleflo on December 23rd, 2018.

There are many tools in the developer’s toolbox when it comes to automatic data extraction. A good example is TF-IDF algorithm (Term Frequency – Inverse Document Frequency) which helps the system understand the importance of keywords extracted using OCR. Here’s how TF-IDF can be used for invoice and receipt recognition. In this article we focus on other techniques in order to make this text file “understandable” to a computer. For this purpose, we must delve into the world of NLP or Natural Language Processing. We will focus mainly on how we can transform our file of raw text into a format that will easily be understandable by our algorithm. In a nutshell, TF-IDF is a technique for understanding how important a word is in a document which is often used as a weighting factor for numerous use cases. TF-IDF takes under consideration how frequent a word appears in a single document in relation to how frequent that word is in general. Search engines can use TF-IDF to determine which results are the most relevant for a search query.

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Term Frequency and Inverse Document Frequency (tf-idf) Using Tidy Data Principles

https://cran.r-project.org/web/packages/tidytext/vignettes/tf_idf.html

Saved by uncleflo on December 23rd, 2018.

A central question in text mining and natural language processing is how to quantify what a document is about. Can we do this by looking at the words that make up the document? One measure of how important a word may be is its term frequency (tf), how frequently a word occurs in a document. There are words in a document, however, that occur many times but may not be important; in English, these are probably words like “the”, “is”, “of”, and so forth. We might take the approach of adding words like these to a list of stop words and removing them before analysis, but it is possible that some of these words might be more important in some documents than others. A list of stop words is not a sophisticated approach to adjusting term frequency for commonly used words. Another approach is to look at a term’s inverse document frequency (idf), which decreases the weight for commonly used words and increases the weight for words that are not used very much in a collection of documents. This can be combined with term frequency to calculate a term’s tf-idf, the frequency of a term adjusted for how rarely it is used. It is intended to measure how important a word is to a document in a collection (or corpus) of documents. It is a rule-of-thumb or heuristic quantity; while it has proved useful in text mining, search engines, etc., its theoretical foundations are considered less than firm by information theory experts.

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tf–idf - Wikipedia

https://en.wikipedia.org/wiki/Tf%E2%80%93idf

Saved by uncleflo on December 23rd, 2018.

In information retrieval, tf–idf or TFIDF, short for term frequency–inverse document frequency, is a numerical statistic that is intended to reflect how important a word is to a document in a collection or corpus. It is often used as a weighting factor in searches of information retrieval, text mining, and user modeling. The tf–idf value increases proportionally to the number of times a word appears in the document and is offset by the number of documents in the corpus that contain the word, which helps to adjust for the fact that some words appear more frequently in general. Tf–idf is one of the most popular term-weighting schemes today; 83% of text-based recommender systems in digital libraries use tf–idf. Variations of the tf–idf weighting scheme are often used by search engines as a central tool in scoring and ranking a document's relevance given a user query. tf–idf can be successfully used for stop-words filtering in various subject fields, including text summarization and classification. One of the simplest ranking functions is computed by summing the tf–idf for each query term; many more sophisticated ranking functions are variants of this simple model.

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Refit for bluewater cruising

http://www.sailingtoday.co.uk/practical/improve-the-boat/refit-for-bluewater-cruising/

Saved by uncleflo on December 20th, 2018.

Richard and Roz Smith seem rather surprised to find themselves on board their Oyster 56, bobbing gently on a pontoon at Shamrock Quay, Southampton. It is the boat they have been refitting for the past nine months ahead of a “four-or-five-year” circumnavigation. They are surprised in part because the long, expensive fit-out work is finally drawing to a close (although there are winch bits on the saloon table and air-con ducting protruding from the panelling). But also surprised to be taking off for such an ambitious trip by themselves.

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Buying a Boat for a Dollar

https://vimeo.com/ondemand/misslonestarseason5/

Saved by uncleflo on December 20th, 2018.

Meet the NEW Miss Lone Star. We call her "Little Miss". She was purchased for a dollar and brought back to life from what would have been a fast approaching junkyard grave. This is the refit of all refits and I am doing it all by myself. After she is splashed we travel up the East coat of the United States.

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L298 Dual Full Bridge Driver - Electronics

https://www.st.com/en/motor-drivers/l298.html

Saved by uncleflo on December 20th, 2018.

The L298 is an integrated monolithic circuit in a 15-lead Multiwatt and PowerSO20 packages. It is a high voltage, high current dual full-bridge driver designed to accept standard TTL logic levels and drive inductive loads such as relays, solenoids, DC and stepping motors. Two enable inputs are provided to enable or disable the device independently of the input signals. The emitters of the lower transistors of each bridge are connected together and the corresponding external terminal can be used for the connection of an external sensing resistor. An additional supply input is provided so that the logic works at a lower voltage.

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AN235 Application note Stepper motor driving By Thomas Hopkins

https://www.st.com/content/ccc/resource/technical/document/application_note/57/c8/7c/c1/0d/91/46/89/CD00003774.pdf/files/CD00003774.pdf/jcr:content/translations/en.CD00003774.pdf

Saved by uncleflo on December 20th, 2018.

Dedicated integrated circuits have dramatically simplified stepper motor driving. To apply these ICs, designers need little specific knowledge of motor driving techniques, but an understanding of the basics helps in finding the best solution. This note explains the basics of stepper motor driving and describes the drive techniques used today.

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Basic Audio Techniques for Video: How to Use a Boompole

https://blog.audio-technica.com/basic-audio-techniques-video-use-boompole/

Saved by uncleflo on November 28th, 2018.

In this installment of our blog series on Basic Audio Techniques for Video, we’ll explain how to use a boompole. If you missed the previous installment exploring the basics of using a boom mic, you can read it here. Since the earliest days of filmmaking, film crews have relied on mounting a microphone onto a boompole in order to properly position the microphone out of frame. In this post, we’ll be sharing some insider tips from professional boom operators.

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Wind Turbine Design

https://learnengineering.org/wind-turbine-design/

Saved by uncleflo on November 28th, 2018.

Primary objective in wind turbine design is to maximize the aerodynamic efficiency, or power extracted from the wind. But this objective should be met by well satisfying mechanical strength criteria and economical aspects. In this video we will see impact of number of blades, blade shape, blade length and tower height on wind turbine design. The next big factor which is affecting performance of wind turbine is shape and orientation of blade cross section. A moving machine experiences fluid flow at a different velocity than the actual velocity. It is called as relative or apparent velocity. Apparent velocity of flow is difference between actual flow and blade velocity. Absolute velocity of the flow is shown in first figure, while apparent velocity in the second figure. It is clear that apparent velocity of flow is vectorial difference between actual and blade velocity. The vector difference is shown in the first figure at a particular cross section. A rotating blade will experience an apparent velocity of flow.

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9 Cuts Every Video Editor Should Know | Filmmaking Tips

https://www.youtube.com/watch?v=Wv3Hmf2Dxlo

Saved by uncleflo on November 1st, 2018.

1) Mechanical - How is the film assembled?
a) Straight Cut: This is your basic cut. It's literally putting two clips side by side.
b) The Split Edit:
i) J-Cut: As you watch the first clip play, you begin to hear the audio from the next clip before you see its visuals.
ii) L-Cut: It's a J-cut in reverse. You're transitioning with Shot A's audio. This is used with dialogue scenes.
c) Jump Cut: Cut bits and pieces out of it, and put the fragments you want to include in your timeline back together. It'll look like the clip is "jumping" around through time.
d) Cutting on Action: To put it simply, "Cutting on Action" just means cutting in the middle of your subject's action.

2) Narrative - What does the cut say?
a) Match Cut: It matches the similar actions and content of both shots.
b) Contast Cut: Drawing a connection between two things. An example being cutting from a crown of shoppers to a herd of sheep.
c) Cross-Cutting: Also known as parallel editing, it is editing two different stories so they play side-by-side.
d) Cutaways: Also called an Insert Edit. These kinds of cuts are helpful if you want to add shots that give more information and context to a scene.
e) Montage: You know what montages are, right? The subject is all over the place and different cats, to show he did a lot of work for something specific.
f) The Transition: Any kind of mixing effect that merges clips together, like a fade or dissolve.

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How to Shoot an Interview | Job Shadow

https://www.youtube.com/watch?v=J7ENEuqXDwY

Saved by uncleflo on November 1st, 2018.

How to shoot an Interview, with lots of tips made by Parker Walbeck, from his tutorials on how to make films. He explains lots of technical details, sound, lighting, composition, image tone, interviewing tips, and equipment used.

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betfair - Developer Program - Betting API

https://docs.developer.betfair.com/display/1smk3cen4v3lu3yomq5qye0ni/Betting+API

Saved by uncleflo on October 23rd, 2018.

The Exchange API is for developers looking to create automated betting systems or custom betting interfaces for themselves or for Betfair customers. The Exchange API is available for the Global, Spanish and Italian Betfair Exchange. The API contains a powerful set of features that enable advanced market navigation, search, odds retrieval, bet placement and sports related data retrieval. The Exchange API is made up of the following key components: Betting API - Contains Exchange markets navigation, odds retrieval and bet placement operations. Reporting functionality relating to settled bets is also available; Accounts API - Contains account related operations such as the ability to retrieve your available account balance as well as Vendor Services API operations that are available to licensed Software Vendors; Exchange Stream API - allows you to subscribe to market changes (both price and definitions) and orders; Heartbeat API - allows you to automatically cancel unmatched bets in the event of your API client/s losing connectivity; Race Status API - allows you to establish the status of a horse race or greyhound market both prior to and after the start of the race.

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Intro to UTM Parameters and Best Practices

http://blog.rafflecopter.com/2014/04/utm-parameters-best-practices/

Saved by uncleflo on October 23rd, 2018.

Do you know exactly where your site traffic comes from? Or which of your campaigns drives the most traffic? If not, read on ;) This post is for website owners who use Google Analytics but want more insight into where their traffic is coming from. Maybe you know how much traffic you’re getting from Twitter, but do you know what percentage of this traffic comes from your Tweets? You can get this data by using Custom Campaigns and adding special tags to your URLs; these tags are called UTM parameters — they are crucial for a deeper understanding of your traffic.

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Expert Instruction From The Brands You Trust.

https://www.boatersuniversity.com/

Saved by uncleflo on September 14th, 2018.

One of the world’s largest enthusiast media companies, Active Interest Media (aimmedia.com) produces leading consumer and trade events, websites, magazines, and films and TV shows that reach 36 million readers, fans, and attendees in 85 countries. AIM powers the second-richest equestrian competition in the world, the World Series of Team Roping, and North America’s most important events and education for fitness professionals through our IDEA Fit division. Our brands include Yoga Journal, Backpacker, SKI, Vegetarian Times, Anglers Journal, Yachts International, Sail, Power & Motoryacht, Spin to Win Rodeo, Practical Horseman, EQUUS, Muscle & Performance, The Trail Rider, Oxygen, Clean Eating, Log Home Living, Old House Journal, Cabin Living, Woodsmith, Garden Gate, and more. The company’s six divisions—the Equine Network, Home Group, Healthy Living Group, Marine Group, Outdoor Group, and Creative Home Group—also operate thriving B2B platforms, online universities, and retail events. Core competencies include lead generation (through our Qualified Buyer Program), marketing services (through our in-house agency, Catapult Creative Labs), and video production. Warren Miller Entertainment is the most successful adventure-film company in history, and AIM Studios is a seven-person unit dedicated to digital video.

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Surfboard Hull Design

http://www.minisimmonssurfboards.com/surfboard-hull-design/

Saved by uncleflo on September 14th, 2018.

I have been wondering about this a lot in Mini Simmons surfboard design (surfboard design in general)—what is a hull and how does it influence the board and the ride? Two factors are at work when a planing surfboard is in motion: the propulsion power, or force, that creates forward motion (the wave energy); the resistance that opposes it (your fat ass standing on the board). When at rest, a surfers weight is borne entirely by the buoyant force (also depending on how much beer you drank the night before). At low speeds every hull acts as a displacement hull, meaning that the buoyant force is mainly responsible for supporting the surfer. As speed increases, hydrodynamic lift increases as well. Ok, you got to reach back to some physics for this one.

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Monetra PHP API Developer Reference

https://www.monetra.com/docs/developer/Monetra_PHP_guide_v5.2.pdf

Saved by uncleflo on September 14th, 2018.

The Monetra (MCVE) PHP API, which depends on libmonetra (C API), is designed to take advantage of all three of our "supported” communication methods, which include Drop-File, Unencrypted IP and Encrypted IP (SSL v3/TLS v1.0). Each method has its advantages and will be explained briefly below. Libmonetra is also the basis of the Perl, PHP and JAVA JNI modules, so the usage of those API's is nearly identical to Libmonetra itself, minus language semantics. In addition, this API was designed to be fully thread-safe and allows interleaving of transactions (streaming of transactions with out-of-order responses). The Drop-File communication method is the most simplistic form of communication with Monetra. A transaction directory is specified where .trn (transaction) files are written, "picked up" and .rtn (response) files are written in reply. Advantages are the debug-ability and the fact that it does not require an IP stack to be present on the local machine. Although this method is not designed for networking, it is possible to share the transaction directory via NFS or SAMBA (for windows), to integrate with legacy applications. Because of security concerns, this should not be utilized for new integrations. Newer monetra releases also support client certificate validation which is available in this API. For any feature/anomaly, requests or support questions regarding libmonetra, feel free to contact our support staff via e-mail at support@mainstreetsoftworks.com

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MySQL: Scaling & High Availability

https://www.percona.com/sites/default/files/presentations/Webinar-MySQL-Scaling-HA-Production-experience.pdf

Saved by uncleflo on June 27th, 2018.

Production experience for the last decade(s). Peter Zaitsev, CEO, Percona. June 19, 2018. Percona Technical Webinars. Please join Percona’s CEO, Peter Zaitsev as he presents MySQL: Scaling and High Availability – Production Experience Over the Last Decade(s) on Tuesday, June 19th, 2018 at 7:00 AM PDT (UTC-7) / 10:00 AM EDT (UTC-4). Percona is known as the MySQL performance experts. With over 4,000 customers, we’ve studied, mastered and executed many different ways of scaling applications. Percona can help ensure your application is highly available. Come learn from our playbook, and leave this talk knowing your MySQL database will run faster and more optimized than before.

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The 7 Best Storytelling Infographics You Need to Check Out Now

https://www.iliyanastareva.com/blog/7-best-storytelling-infographics

Saved by uncleflo on June 4th, 2018.

Do you like TV ads? How about magazine ads? Do you pay attention to them or do you just skip them? Now let me ask you another question: Do you like stories? Do you enjoy being immersed into an exciting narrative allowing you to escape reality and enter a new world? I like stories. I like to let my brain follow the imaginative flow of a good story and visualise the narrative, the heroes, the actions and happenings of what I am reading, watching or experiencing. As a marketer you are probably used to relying more on hard facts and lists of benefits rather than engaging stories. That might have worked in the Mad Man era, but in the world of real-time, non-stop social interactions and online content it no longer does.

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Setting up an SSL secured Webserver with CentOS

https://wiki.centos.org/HowTos/Https

Saved by uncleflo on May 30th, 2018.

This guide will explain how to set up a site over https. The tutorial uses a self signed key so will work well for a personal website or testing purposes. This is provided as is so proceed at your own risk and take backups! For an SSL encrypted web server you will need a few things. Depending on your install you may or may not have OpenSSL and mod_ssl, Apache's interface to OpenSSL.

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More Meaningful Typography

http://alistapart.com/article/more-meaningful-typography

Saved by uncleflo on April 20th, 2018.

We have all heard of the golden mean (also known as the golden ratio or golden section): the self-replicating page with a proportion of 1:1.618 that is said to be found in everything from the design of ancient Greek architecture to the growth patterns of plants. This and other meaningful ratios rooted in geometry, music, nature, and history can be expressed as modular scales and put to work on the web. A modular scale is a sequence of numbers that relate to one another in a meaningful way. Using the golden ratio, for example, we can produce values for a modular scale by multiplying by 1.618 to arrive at the next highest number, or dividing by 1.618 to arrive at the next number down.

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MySQL EXPLAIN Output Format

https://dev.mysql.com/doc/refman/5.7/en/explain-output.html

Saved by uncleflo on April 18th, 2018.

The EXPLAIN statement provides information about how MySQL executes statements. EXPLAIN works with SELECT, DELETE, INSERT, REPLACE, and UPDATE statements. EXPLAIN returns a row of information for each table used in the SELECT statement. It lists the tables in the output in the order that MySQL would read them while processing the statement. MySQL resolves all joins using a nested-loop join method. This means that MySQL reads a row from the first table, and then finds a matching row in the second table, the third table, and so on. When all tables are processed, MySQL outputs the selected columns and backtracks through the table list until a table is found for which there are more matching rows. The next row is read from this table and the process continues with the next table.

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Binary Option Trading using the ADX and EMA Cross System

http://best-binary-options-strategy.com/binary-option-trading-using-the-adx-and-ema-cross-system/

Saved by uncleflo on March 19th, 2018.

This system is based on two indicators only and offers consistent profits. It is called the ADX and EMA Cross System and it is an uncomplicated system suitable even for amateur traders. This system on reflection appears suitable for binary option trading as well. The system is based on an average directional movement index (ADX) set on period 14 and having the EMA’s set at two periods (3 and 10). It is important to have an idea of ADX to give you some perspective, but there is no need to go in depth with your studies of it. The cross system strategy is fairly simple and it is best if you use indicators that are easy to read. Set your EMA 3 and your +DI to a single colour and your EMA 10 and -DI to a second colour. This allows you to see exactly where one colour crosses the other. Say you set the first 2 to red and the second 2 to green, when green crosses red from underneath, it is possibly a call opportunity and when the opposite happens, it is a put signal.

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5 Minute Binary Options Strategy

https://www.binaryoptions.net/5-minute-strategy

Saved by uncleflo on March 19th, 2018.

There are a lot of ways to trade the 5 minute binary options expiry. This time frame is one of the most versatile in terms of the types of strategies you can use because it is inherently volatile yet at the same time can sustain a trend long enough to be useful to us binary options traders. You can look at the bigger picture with 5 minute candles or you can drill down to 1 minute charts to see the swings in momentum. When choosing a strategy it really comes down to what kind of trader you are, what types of analysis you prefer and in the end, the asset you are trading. When it comes to assets there is really no one class that performs best in the 5 minute time frame although most binary traders prefer forex, commodities and indices, not necessarily in that order. These assets tend to have more day to day action because they are traded globally around the clock and will move up/down within their near term ranges with more conviction than less liquid stocks.

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