uncleflo
Registered since September 28th, 2017
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Can I process the JWST data better than NASA?
Saved by uncleflo on September 8th, 2022.
The first round of JWST data was made public just one day after the release of the first images. In this video, I show the best method for downloading the data using the MAST archive, and then give an overview of how I went about processing! This work is based [in part] on observations made with the NASA/ESA/CSA James Webb Space Telescope. The data were obtained from the Mikulski Archive for Space Telescopes at the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5-03127 for JWST.
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Research meets industry: A mine planning methodology for space | FNR – Luxembourg National Research Fund
Saved by uncleflo on September 4th, 2022.
When we wrote about Miguel Olivares Mendez in the 2017 edition of Spotlight on Young Researchers, the researcher was working on an FNR JUMP project, focussing on developing algorithms for autonomous drones. The robotics scientist has continued to build his research career in Luxembourg – 5 years later, Miguel is a Professor leading a research group with a focus on space robotics. Luxembourg start-up LuxAI, with their socially assistive robot QTrobot, has been making waves on an international level since it was created. The FNR has supported the project from its inception through the development of a prototype, helping bridge the gap between lab and commercialisation. We speak to LuxAI founders Dr Pouyan Ziafati and Dr Aida Nazarikhorram about the LuxAI journey so far; how QTrobot came to be and how parents can now have a QTrobot at home.
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Rust Removal Methods Explained
Saved by uncleflo on February 13th, 2022.
Common liquid rust removal methods explained with a little bit of science. Including Electrolysis, Vinegar, Citric Acid (Lemon Juice), Oxalic Acid (Molasses), Evapo-Rust, Phosphoric Acid (Coca Cola), and Hydrochloric Acid. A brief explanation of the chemical reaction involved with each method. The effect each method has on rust and good steel. The difference between rust dissolvers and rust convertors. Skip to : Vinegar 1:47; Citric Acid 3:49; Oxalic Acid 5:41; Evapo-Rust 7:20; Hydrochloric Acid 8:58; Rust Convertor 11:25; Phosphoric Acid 13:24; Electrolysis 14:56.
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Accounting & Bookkeeping for Small Business | Study 365
Saved by uncleflo on January 18th, 2022.
This comprehensive Accounting & Bookkeeping for Small Businesses course covers everything you need to know, beginning with an in-depth introduction. The modules cover useful and up-to-date topics, such as financial statements, assets and liabilities, inventory and cost methods, budgetary control and cost accounting. Overall, learners will gain a broad understanding of accounting, bookkeeping, and the systems that you should be using to record them. The course explains methods for improving and forecasting cash flow and budgets within the business and outlines how to respond to purchase and sales invoices. There is also a module explaining the importance of good credit control, including how to successfully speak to and deal with late-paying customers. You can go through the course in your own time, wherever you like, which is the beauty of online learning. The course is comprised of professionally narrated e-Learning modules, interactive quizzes, tests, and exams. All delivered through a system that you will have unlimited access. We provide an effective support service and guided tutorial videos to build your confidence and help secure your qualification.
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Online Accounting and Bookkeeping Course | reed.co.uk
Saved by uncleflo on January 18th, 2022.
This comprehensive Accounting & Bookkeeping for Small Businesses course covers everything you need to know, beginning with an in-depth introduction. The modules cover useful and up-to-date topics, such as financial statements, assets and liabilities, inventory and cost methods, budgetary control and cost accounting. Overall, learners will gain a broad understanding of accounting, bookkeeping, and the systems that you should be using to record them. The course explains methods for improving and forecasting cash flow and budgets within the business and outlines how to respond to purchase and sales invoices. There is also a module explaining the importance of good credit control, including how to successfully speak to and deal with late-paying customers.
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Solo Cave Diving and UK Sump Conditions | Cave Diving Group
Saved by uncleflo on January 17th, 2022.
The CDG believes that their cave diving procedures, developed by continuous improvement over 70 years, represent the best way to produce a well trained, intelligent and alert diver. Solo cave diving in the UK can trace its roots back to early dives by Graham Balcombe and Jack Sheppard in Swildon’s Hole in 1934. The procedures developed in the 30’s were formalised by the founding of the Cave Diving Group in 1946. A constant theme throughout the existence of the CDG has been to adapt materials and methods to the job in hand and to be open to continuous improvement. Cave diving has become extremely popular throughout the world. Florida is one of the regions blessed with many cave diving sites of outstanding quality and easy access. Consequently, there has been an explosion of popularity in cave diving in the USA. It is estimated that there are as many as 20,000 cave and cavern divers in Florida alone. These divers are organised into a number of national bodies including the National Speleological Society, Cave Diving Section and the National Association for Cave Diving. The generally agreed advice from this wealth of experience is that cave diving in the USA should be conducted by teams of divers in a buddy system and that solo cave diving introduces an unnecessary level of risk. Despite this advice the Cave Diving Group continues to recommend solo cave diving as the safer alternative for UK sump conditions. Why is that?
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Learn Pro Audio Online with Audio Masterclass
Saved by uncleflo on January 16th, 2022.
The Audio Masterclass Music Production and Sound Engineering Course is a fully-tutored, practical online course. We'll help you learn how to get the best from your home recording studio. We'll listen to your work, help you resolve any problems, and take you all the way to a commercial release standard of production. Select microphones according to their method of operation - dynamic, capacitor or ribbon. Select capacitor microphones according to their construction and gain-stage element - small-diaphragm or large-diaphragm; FET transistor or vacuum tube. Select microphones according to their polar pattern - omnidirectional, cardioid, hypercardioid or figure-of-eight.
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Free 5-Day Forex Robot Building Challenge Home
Saved by uncleflo on January 14th, 2022.
95% of Traders Lose Money Because They Don't Have A Process To Follow That Works, Learn Our 4 Step Process For Building Winning Strategies. You will Learn How You Can Get Unlimited Unique Trading Strategies Yourself Without Coding or Technical Skills. You will learn how to put to the test a bunch of strategies for incubation so that you can find strategies that work A key part of the process is monitoring and turning off the strategies that don't perform. How to keep grow your live account with strategies that work Rimantas Petrauskas is one of the most well-known programmers among Forex traders. Having more than 20 years of programming experience, he created two of the most popular trade copiers for the MetaTrader 4 platform—the Signal Magician and Local Trade Copier. Rimantas is also an entrepreneur, automated trading systems expert, and co-creator of the popular Forex Robot Academy Framework, which is the best method to create fully automated and robust trading strategies known to the author.
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GitHub - peerchemist/finta: Common financial technical indicators implemented in Pandas.
Saved by uncleflo on May 15th, 2021.
TA class is very well documented and there should be no trouble exploring it and using with your data. Each class method expects proper ohlc DataFrame as input. Finta supports over 80 trading indicators.
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Intl - JavaScript | MDN
Saved by uncleflo on May 11th, 2021.
The Intl object is the namespace for the ECMAScript Internationalization API, which provides language sensitive string comparison, number formatting, and date and time formatting. The Intl object provides access to several constructors as well as functionality common to the internationalization constructors and other language sensitive functions. The internationalization constructors as well as several language sensitive methods of other constructors (listed under See also) use a common pattern for identifying locales and determining the one they will actually use: they all accept locales and options arguments, and negotiate the requested locale(s) against the locales they support using an algorithm specified in the options.localeMatcher property. The locales argument is used to determine the locale used in a given operation. The JavaScript implementation examines locales, and then computes a locale it understands that comes closest to satisfying the expressed preference.
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10KW 41KW 60KW 80KW 120KW 336VDC 540VDC 650V water cooled permanent magnet synchronous electric drive motor for EV car EV truck|Tool Parts| - AliExpress
Saved by uncleflo on April 17th, 2021.
Electric motor engine, high power for cars and vehicles. The flat copper wire slot full rate is increased by 20-30% compared with round copper wire, the current density is increased, and it has greater power and torque than round wire motors of the same volume. The first domestic company to develop oil cooling for directly cooling the coil ends and the rotor, which directly takes away the heat from the inside of the motor during operation. Compared with other cooling methods, the motor has greater continuous power and torque. The shorter stator winding length saves space and reduces weight, allowing the power density of the motor to reach 5.93kW / KG, exceeding the Chinese government's 5kW / KG requirement of 2030.
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Day 5 of the "Build 100 Trading Robots Challenge"
Saved by uncleflo on April 12th, 2021.
Rimantas Petrauskas is one of the most well-known programmers among Forex traders. Having more than 20 years of programming experience, he created two of the most popular trade copiers for the MetaTrader 4 platform—the Signal Magician and Local Trade Copier. Rimantas is also an entrepreneur, automated trading systems expert, and co-creator of the popular Forex Robot Academy Framework, which is the best method to create fully automated and robust trading strategies known to the author. A #4 Amazon best-selling author in the Forex category, Rimantas's book is called "How to Start Your Own Forex Signals Service" He has created many fully automated trading strategies and doubled his real trading account countless times.
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Fusion 360 Simulation & More - Youtube
Saved by uncleflo on December 21st, 2019.
In this webinar Matthew McKnight, Sr. Technical Sales Specialist, will step you through Fusion 360 Simulation (Finite Element Analysis) looking at methods of analysing parts and assemblies.
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Ship, Boat, and Yacht Design | Discussions | GrabCAD Groups
Saved by uncleflo on December 21st, 2019.
Aquatic engineering modeling methods, concept ideas, etc. Discussions on the latest trends and news in the boat design world. Any and all are welcome to share their models, experience, knowledge, and suggestions.
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AWS re:Invent 2017: How to Design a Multi-Region Active-Active Architecture (ARC319) - YouTube
Saved by uncleflo on July 24th, 2019.
Many customers want a disaster recovery environment, and they want to use this environment daily and know that it's in sync with and can support a production workload. This leads them to an active-active architecture. In other cases, users like Netflix and Lyft are distributed over large geographies. In these cases, multi-region active-active deployments are not optional. Designing these architectures is more complicated than it appears, as data being generated at one end needs to be synced with data at the other end. There are also consistency issues to consider. One needs to make trade-off decisions on cost, performance, and consistency. Further complicating matters is the variety of data stores used in the architecture results in a variety replication methods. In this session, we explore how to design an active-active multi-region architecture using AWS services, including Amazon Route 53, Amazon RDS multi-region replication, AWS DMS, and Amazon DynamoDB Streams. We discuss the challenges, trade-offs, and solutions.
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AWS - How to redirect database traffic to a new master on RDS after promoting a read replica? - Server Fault
Saved by uncleflo on June 23rd, 2019.
A lot of RDS's documentation about read replicas contains a magical step along the lines of "direct database traffic to the new master." For instance, their instructions on implementing failure recovery say: This talk about directing traffic glosses over what is actually a complicated step, though. If I were using EC2 instances to host my database, I could give them elastic IPs, use the public DNS address of the instance to address it (which resolves to its private IP from inside AWS), and then instantly swap my entire stack to the read replica by reassigning the elastic IP (and thus simultaneously reassigning the public DNS). I used this method happily back in the days when RDS was considered straightforwardly inferior to rolling your own database instance on EC2 by many DBAs. RDS instances still cannot have elastic IPs, though, so I cannot use this particular trick to magically redirect all my database traffic to a new instance when using RDS.
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DIY 24v LiFePO4 Solar Battery Bank! Beginner Friendly, 2.4 kWh, Cheap, Full Tutorial! - YouTube
Saved by uncleflo on June 23rd, 2019.
Safety Update: If the cells have a voltage difference of more than .2 of a volt (example: one cell is 2.7 volts, and another cell is 3.5 volts), you should not parallel connect, and instead discharge the higher voltage cell with a 25-50 watt, 1.5-2.7 ohm resistor. Just attach the leads of the resistor to the individual higher voltage cell, and wait till it is at a voltage that is closer to the other cells. When they are within .2 volts of each other, then you can connect them in parallel and allow them to equalize. Another way to do this is to charge the lower voltage cells, but 3 volt chargers are not easy to find, so I would stick to the resistor method. These resistors only cost a dollars each, and you can find them at most electronics supply stores.
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UTF-8 Sampler
Saved by uncleflo on June 23rd, 2019.
UTF-8 is an ASCII-preserving encoding method for Unicode (ISO 10646), the Universal Character Set (UCS). The UCS encodes most of the world's writing systems in a single character set, allowing you to mix languages and scripts within a document without needing any tricks for switching character sets. This web page is encoded directly in UTF-8. This, however, is a Web page, which started out as a kind of stress test for UTF-8 support in Web browsers, which was spotty when this page was first created in the 1990s but which has become standard in all modern browsers. The problem now is mainly the fonts and the browser's (or font's) support for the nonzero Unicode planes (as in, e.g., the Braille
and Gothic examples below). And to some extent the rendition of combining sequences, right-to-left rendition (Arabic,
Hebrew), and so on. The subtitle above shows currency symbols of many lands. If they don't appear as blobs, we're off to a good start!
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PSR-2: Coding Style Guide - PHP-FIG
Saved by uncleflo on June 18th, 2019.
The intent of this guide is to reduce cognitive friction when scanning code from different authors. It does so by enumerating a shared set of rules and expectations about how to format PHP code. The style rules herein are derived from commonalities among the various member projects. When various authors collaborate across multiple projects, it helps to have one set of guidelines to be used among all those projects. Thus, the benefit of this guide is not in the rules themselves, but in the sharing of those rules.
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Waterfall model - Wikipedia
Saved by uncleflo on January 18th, 2019.
The waterfall model is a relatively linear sequential design approach for certain areas of engineering design. In software development, it tends to be among the less iterative and flexible approaches, as progress flows in largely one direction ("downwards" like a waterfall) through the phases of conception, initiation, analysis, design, construction, testing, deployment and maintenance. The waterfall development model originated in the manufacturing and construction industries; where the highly structured physical environments meant that design changes became prohibitively expensive much sooner in the development process. When first adopted for software development, there were no recognized alternatives for knowledge-based creative work.
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An Introduction to Lean Canvas – Steve Mullen – Medium
Saved by uncleflo on January 4th, 2019.
As an entrepreneur, one of the most important tasks you can perform is getting your idea(s) out from your head into a tangible format so that you can communicate that with others. In the past, this usually meant a well-researched business plan, that would usually take weeks (more like months) to create. I turn to the Lean Canvas to help me quickly formulate possible business models, product launches, campaigns and variations of, and communicate this with my stakeholders for my Lead Flow Method work. Having the Lean Canvas as a visual guide made this part “communicating the model/idea” so much more effective — and I think the most valuable function of the tool. The problem with business plans for startups & entrepreneurs are that they’re a waste of time, don’t get me wrong a well-researched business plan is important but only at the right stage of your business (usually when you’re in growth/investment). This quote from Steve Blank sums up this point in case: “Business Plan: a document investors make you write, that they don’t read”. The key fundamental to Lean methodology is the elimination of waste — this includes time, processes, inventory and more. So as a lean startup you need a quicker way to get ideas out of your head, you need to stay lean & avoid waste — so, it’s time to introduce Lean Canvas.
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Torsen differential, how does it work
Saved by uncleflo on November 28th, 2018.
Torsen is a trade mark of the JTEKT Corporation. The Torsen differential has many patented components and, is the most unique and ingenious method of providing differential action while overcoming the traction difference problem. This article gives a logical introduction to the working of Torsen differential. If you are familiar with the other common technologies used to overcome the traction difference problem, you might have noticed a great advantage of the Torsen. While the other technologies allow the drive wheel to slip for a limited amount of time before it gets locked, in Torsen the locking action is instantaneous. That means as soon as the vehicle encounters a traction difference track the wheels will get locked. They are also compact compared to their counter parts.
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Let's live stream in 4K using RICOH THETA V
Saved by uncleflo on October 8th, 2018.
The live streaming function, which first appeared on the RICOH THETA S, has evolved into 4K with the RICOH THETA V enabling live video to be output to a PC in high quality. Also, under the right conditions, high-definition 360-degree video can be streamed in real-time.The example shown here features a method used to stream a live video from Windows 10 environment to YouTube. We hope you find this information useful when you live stream video.
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Monetra PHP API Developer Reference
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 EXPLAIN Output Format
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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