![]() For example, a researcher might study the success rate of a new 'quit smoking' program on a test group of 100 patients, in order to predict the effects of the program if it were made available nationwide. In such cases, sampling theory may treat the observed population as a sample from a larger 'superpopulation'. This situation often arises when seeking knowledge about the cause system of which the observed population is an outcome. ![]() Similar considerations arise when taking repeated measurements of some physical characteristic such as the electrical conductivity of copper. the probability distribution of its results over infinitely many trials), while his 'sample' was formed from observed results from that wheel. In this case, the 'population' Jagger wanted to investigate was the overall behaviour of the wheel (i.e. For example, Joseph Jagger studied the behaviour of roulette wheels at a casino in Monte Carlo, and used this to identify a biased wheel. In other cases, the examined 'population' may be even less tangible. For the time dimension, the focus may be on periods or discrete occasions. For instance, an investigation of supermarket staffing could examine checkout line length at various times, or a study on endangered penguins might aim to understand their usage of various hunting grounds over time. In this case, the batch is the population.Īlthough the population of interest often consists of physical objects, sometimes it is necessary to sample over time, space, or some combination of these dimensions. For example, a manufacturer needs to decide whether a batch of material from production is of high enough quality to be released to the customer, or should be sentenced for scrap or rework due to poor quality. Sometimes what defines a population is obvious. Because there is very rarely enough time or money to gather information from everyone or everything in a population, the goal becomes finding a representative sample (or subset) of that population. A population can be defined as including all people or items with the characteristic one wishes to understand. In sampling, this includes defining the " population" from which our sample is drawn. Successful statistical practice is based on focused problem definition. 3.4 Probability-proportional-to-size sampling.Acceptance sampling is used to determine if a production lot of material meets the governing specifications. In business and medical research, sampling is widely used for gathering information about a population. Results from probability theory and statistical theory are employed to guide the practice. In survey sampling, weights can be applied to the data to adjust for the sample design, particularly in stratified sampling. Sampling has lower costs and faster data collection than measuring the entire population and can provide insights in cases where it is infeasible to measure an entire population.Įach observation measures one or more properties (such as weight, location, colour) of independent objects or individuals. Statisticians attempt to collect samples that are representative of the population in question. In statistics, quality assurance, and survey methodology, sampling is the selection of a subset (a statistical sample) of individuals from within a statistical population to estimate characteristics of the whole population. A visual representation of the sampling process
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Whether you use rule-based chatbots or some type of conversational AI, automated messaging technology goes a long way in helping brands offer quick customer support. conversational AI: Examples in customer service ![]() This reduces wait times and allows agents to spend less time on repetitive questions. The bots can handle simple inquiries, while live agents can focus on more complex customer issues that require a human touch. Rule-based chatbots use keywords and other language identifiers to trigger pre-written responses-these are not built on conversational AI technology.Ĭonversational AI chatbots are especially great at replicating human interactions, leading to an improved user experience and higher agent satisfaction. From a large set of training data, conversational AI helps deep learning algorithms determine user intent and better understand human language.Īpproximately $12 billion in retail revenue will be driven by conversational AI in 2023.Ĭhatbots are a type of conversational AI, but not all chatbots are conversational AI. The interaction can occur through a bot in a messaging channel or through a voice assistant on the phone. In customer service, this technology is used to interact with buyers in a human-like way. These bots can continuously learn from conversations with customers, so they’re able to deliver more helpful responses as time goes on.īoth types of chatbots provide a layer of friendly self-service between a business and its customers.Ĭustomer service teams handling 20,000 support requests on a monthly basis can save more than 240 hours per month by using chatbots.Ĭonversational AI refers to technologies that can recognize and respond to speech and text inputs. The technology is ideal for answering FAQs and addressing basic customer issues.ĪI customer service chatbots-also referred to as contextual chatbots or virtual agents-use machine learning, natural language processing, or both to understand user intent and form responses. These bots are similar to automated phone menus where the customer has to make a series of choices to reach the answers they’re looking for. The conversations are sometimes designed like a decision-tree workflow where users can select answers depending on their use case. They communicate through pre-set rules (if the customer says “X,” respond with “Y”). Rule-based chatbots-also known as decision-tree, menu-based, script-based, button-based, or basic chatbots-are the most rudimentary type of chatbots. ![]() Today’s chatbots typically fall into one of two categories: rule-based chatbots or AI chatbots. Conversational AI platforms use data, machine learning (ML), and NLP to recognize vocal and text inputs, mimic human interactions, and facilitate conversational flow. Some operate based on predefined conversation flows, while others use artificial intelligence and natural language processing (NLP) to decipher user questions and send automated responses in real-time.Ĭonversational AI is a broader term that refers to AI-driven communication technology such as chatbots and virtual assistants (e.g., Siri or Amazon Alexa). What’s the difference between chatbots and conversational AI?Ĭhatbots are computer programs that simulate human conversations to create better experiences for customers. ![]() How to verify a successful VPN connection.How to connect to a VPN server from client machine.In this tutorial, we’ll show you how to setup a VPN using OpenVPN on Ubuntu 22.04 Jammy Jellyfish, while managing to avoid advanced configuration and technical jargon along the way. Configuring one, however, can seem a little intimidating to some users. Once the installation and configuration process is complete, free tier users have access to 10GB of free data a month.Setting up a VPN is a great way for a server to share network resources with a client. The use of Network Manager rather than a bespoke VPN client does mean making modifications such as switching to a different VPN server requires installing a new VPN profile rather than being able to make changes in the app itself. Tip: For those Linux enthusiasts that dislike Network Manager, both the OpenVPN command line and IKEv2 method do not require Network Manager. A video and written step-by-step guide with screenshots are both available. The use of the Network Manager graphical interface makes this installation and usage much easier for beginners. It’s highly recommended that you use the graphical OpenVPN guide if you’re using the desktop version of Ubuntu, as it is particularly easy to follow. offers installation guides for graphical and command-line versions of OpenVPN and for command-line IKEv2. Tip: If you’re getting error messages when trying to connect to a VPN server, ensure that the server you’re trying to connect to is available to free tier users. A VPN kill switch is included in the Linux client, which is especially useful for laptops that may connect to public Wi-Fi networks. Once your VPN client is configured correctly ProtonVPN offers unlimited data to its free tier users, however, speeds are restricted and only three servers are available. A comprehensive usage guide is available on GitHub. ![]() ProtonVPN offers a guide to install its command line VPN client, the guide is relatively easy to follow, just make sure you run the commands for your version of Linux, as the Fedora commands will not work on Ubuntu. Once you have managed to get the VPN configured and connected, you can get up to 15GB a month of free data by confirming an email address on your account and by tweeting at Windscribe via its “ Tweet-4-Data” scheme. By default, it runs commands with root permissions, assuming the user typing the command has permission to do so and enters their password to confirm their identity.Ī help page can be viewed once the client is installed by typing the command “windscribe –help” Tip: “Sudo” is short for SuperUser DO or Substitute User DO and is a prefix used to run commands with the permissions of other users. Note: The Linux VPN client is still in beta and may have bugs or be unstable. The guides are easy to read and uncluttered, although the non-Ubuntu guides are unclear as to which commands need to be prefixed with “sudo”. Windscribe offers guides to install its command-line based Linux VPN for 6 different versions of Ubuntu along with guides for three other Linux distributions. You should always be wary of command suggestions from third parties. Advice and commands provided by the official VPN providers can generally be trusted, although it’s still good practice to understand what commands you are running. Sudo’d commands can potentially even corrupt the firmware on your motherboard, so you should be careful. This is doubly important when the command is prefixed with the word “sudo” as these commands run with full root permissions and can break your operating system. Tip: It’s recommended that you never run any commands that you don’t understand. ![]() Kris Jenner looks back on Italian getaway as she thanks Dolce & Gabbana for the 'most incredible evening' after attending event with Corey Gamble 'Pinkies up': Serena Williams enjoys a traditionally British afternoon tea with her daughter Olympia, 4, as they take in the sights of London Rob Kardashian shares darling snaps of daughter Dream, five, as the duo join his sister Khloe Kardashian and her little girl True on tropical vacation 'It's really produced': Love Island star Shaughna Phillips reveals that the show's producers 'help to write recoupling speeches the night before'īrie Larson flaunts her toned abs in a gold bralet and a celestial cape as she attends the Marvel Avengers Campus ceremony at Disneyland Paris ![]() Kate Garraway admits she's taking life 'day by day' as she reveals husband Derek Draper has been in hospital for two months as he battles long Covid ![]() Strictly Come Dancing bosses 'are hoping to sign Corrie star Kym Marsh and footballer Tony Adams for the upcoming series' after denying she got into a fight with a fan Kate Middleton's parents are planning to welcome Ukrainian refugees to their £5m manor in BerkshireĬardi B puts on a sizzling display in a red sequinned catsuit as she storms at Wireless in Birmingham. for nowĮMILY PRESCOTT: Jamie Redknapp seeks an extension to his cramped Surrey mansion he shares with his new wife Frida Prince Harry's controversial tell-all memoir 'has been delayed until next year': Buckingham Palace gets to breathe a sigh of relief. Princess Royal watches ex-husband Capt Mark Phillips walk daughter Stephanie down the aisle: Zara and Peter Phillips support half-sister The X Factor 'to make TV comeback after bosses reach big money deal with Channel 5 following a series of meetings with different networks'Īngelina Jolie shares some quality time with daughter Shilo, 16, as pair watch 2021 Eurovision winners Måneskin perform at the band's Loud Kids Tour 'Why aren't you asleep yet?' Ozzy Osbourne says doctors gave him FOUR TIMES the normal anaesthetic dose during the height of his drug use despite denying he's a resort 'concierge' after his career imploded over cannibalism claims So much more than ice cream! This clever new gadget makes gelato, smoothie bowls, sorbets and milkshakes!Īrmie Hammer IS working as a timeshare salesman in Cayman Islands. 'Boris, bye!' Heartstopper's Yasmin Finney hits out at departing PM for 'trying to eradicate' trans people in powerful speech at Trans+ Pride 'I won't put up with things I have in the past': Christine McGuinness admits that she and Paddy are going through a 'very, very difficult time'Ī friendship with Kate and William, a daughter living in, er, Croydon, and a penchant for Earl Grey tea: Why Tom Cruise is in love with BritainĮMILY PRESCOTT: Three years after the death of his daughter Iris, 15, Ben Goldsmith has written a memoir about how he dealt with 'the darkest months' Risque jokes, sneaky ciggies with Jeremy Clarkson and a secret love of garden gnomes: A TV doc gives an insight into the Duchess of Cornwall's innate sense of fun ![]() They can last 30 or more years with the proper care with little to no maintenance required. Standard finishes available include Acrylic Coated Galvalume®, Colorfast45®, and PVDF.ĭue to the design of corrugated roof panels, if installed at a slope, water drains quickly and efficiently. We offer these panels in aluminum, copper, stainless steel, steel, and weather steeled. ![]() They are made deeper and thicker for spanning longer distances and resisting greater loads. Drive easily a 1 ½ inch aluminum screw nail where the nail was removed, using the. ![]() These panels can withstand the suns UV rays, high winds, and temperature. Get to pull out any of the nails which are raised up using the nail bar. Corrugated metal roofing is highly resistant to inclement weather and elements. Secondary services including stucco embossing, perforating, laminating, and precision curving are available. The corrugated roof panels from Metal Sales are made for performance on a large scale. Head on to inspect every row of the nails or even screws by walking on the row instead of between the rows. Metal choices include Aluminum, Aluminized I & II, Galvannealed, Stainless Steel, Hot-Dipped Galvanized G-90 through G-285, Cold Rolled CQ (Commercial Quality), ASTM A606 Weathering Steel, Pre-painted Galvanized & Aluminum and more. The standard gauge available for these panels is 24 ga. As exterior temperatures fluctuate, metal roofs expand and contract and experience. The rib height of the corrugated panels is 7/8”, 1.25”, or 2.5” with each rib spacing varying based on the height. Metacrylics coatings provide protection over failing or aging metal roofs. Metal Sales offers 7/8”, 1.25”, and 2.5” corrugated roof panels that cover various widths per panel. Today, the corrugated metal roofing panels used in construction and other industrial applications are galvanized or treated to prevent this damage from occurring. 3 Corrugated metal roof installation safety. 2.7 Step 7: Lay and secure the metal panels on the other side. The use of corrugated roof panels is found in residential, commercial, industrial, and barn applications and exterior walls.īefore corrugated roof panels were treated and galvanized, they received a bad reputation for needing replacement regularly due to rust and corrosion. 2.6 Step 6: Finish the first side of the roof. Corrugated roof panels are sheets of roofing that are flexible and offer a beautiful aesthetic with durability and corrosion-resistant properties. The first part of the set ends with three songs from The Wall The Happiest Days of Our Lives leading into the second and third part of Another Brick in the Wall. Waters hammers on about the Israelian/Palestinian conflict, refugees and overall state of things on The Last Refugee (which is linked to the video at the start of the show) and the energetic Picture That before we’re treated to Wish You Were Here. It’s also here that things get political, sometimes overtly so. After that, we take our first plunge into Waters’ solo material with Déjà Vu. The first non- Dark Side song is the ever ominous Welcome to the Machine, with the classic, animated music video displayed on the screen behind it. Jess Wolfe and Holly Laessig are excellent vocalists, but after hearing what David Gilmour did with the song on the Live at Pompeii live album last year it’s hard to go back. We were less enamoured of tonight’s rendition of The Great Gig in the Sky, though. The eerie, ruin-like doors and windows on One of These Days, the floating clocks on Time, it’s all classic Floyd, and a masterful display of how you successfully marry image and sound. There’s a cohesion to Waters’ work, conceptually, lyrically and musically, and you have to wonder how much of what you see here and over the years is pure Roger Waters instead of the work of a fully functioning band or a team of concept artists (Storm Thorgerson and Hipnosis first and foremost). Waters chooses his imagery carefully, and watching the floating sphere juxtaposed upon videos of still waters, racing traffic and London, you can’t help but admire the artistry of it all. Cue Speak to Me and Breathe from Floyd ’s seminal The Dark Side of the Moon (which, bar On the Run and Any Colour You Like, is being played in its entirety over the course of the evening). ![]() Finally, the clear skies on the screen turn blood red and the camera zooms out to reveal a barren land on a big, black sphere which might or might not be intended to represent our own planet. You know there’s a message in there somewhere, but we’re not quite sure what it is yet. Of course, the entire show is, once again, also a vehicle for Waters to express his political views, and starting the evening with an almost agonisingly long video of a woman in a hijab sitting on a beach is absolutely typical of him. We were promised a “pretty cool show” with about 75% Pink Floyd material and 25% worth of other stuff, and that’s exactly what we got this Tuesday. Waters also hit the road again with his Us + Them Tour, with which he finally hit The Netherlands for a four-evening stint. We were treated to a documentary film of that tour and an accompanying live album, a remastered re-release of Amused To Death and, finally, a brand new album twenty-five years in the making. ![]() Last time we saw Roger Waters live, he was still doing his live rendition of The Wall. ![]() Stuart Heaney, Video Crew Chief, “This is a fantastic show to work on but of course a special thanks to the hard working video team - Peter Tiling, Gabriel Linford & Kevin Perry on Projection, Dave Rogers as Engineer, Al Wright & Gareth Manicom on LED, Mark Hughes on Polecam and a guest appearance from Mark Cruikshank as FOH Camera for New Zealand.Flying Pigs! Dogs! Power stations! Creepy balls! Prisms! Yes, we went to see Roger Waters live again. An FOH camera with XJ100 lens, pit camera with HJ22 and Polecam with a UP 3G Block camera on track, handheld camera with HJ14 lens and a pair of Agile ARC360 robo cams provided all the shots required, and were processed by the Photon servers to apply visual effects. Universal Pixels built a bespoke PPU & Engineering solution, around the S-A-M Kula 2M/E Switcher and Vega routing, to provide HDSDI fibre conversion for the projectors, and cut the cameras to the various screen surfaces. A full custom fibre distribution system complemented this and robust networking provided by VYV.ĭriving both the LED & Projection are 10 VYV Photon servers operated by Ellie Clement, who has her work cut-out keeping dozens of tracking cameras operational to track both performers & set elements. This surface was covered by 16 Panasonic RZ31 units, and a further 5 Panasonic RZ21 units to provide infills on the Battersea Power Station Chimneys. The show design incorporated a 3 sided 47m long moving projection surface running down the centre of the arena over the audience, produced by Tait Towers. The backdrop to the stage area was a brand new 28.5m x 12m Infiled ER5 led screen in 23 touring frames with Brompton processing & SmartPDU power distribution. ![]() then it was closer to 70C at 80% fan speed. I know my old Asus 1660ti would hit 83C at like 60% fan speed before I set a custom curve. With a good fan curve, you shouldn't hit thermal limit. That's when custom fan speeds come in handy to crank those fans up. Once you exceed 82C, you'll start to "thermal throttle", aka your card will use less power to keep itself cool. At 1440p, running 90~120fps in games like Apex Legends, Overwatch, or more intense games like Red Dead Redemption 2, my card will hit up to 71C in particular scenarios. The Open Hardware Monitor supports most hardware monitoring chips found on todays mainboards. The tool is very much like MSI Afterburner, probably the most popular GPU adjustment tool on the market. The Open Hardware Monitor is a free open source software that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer. GPU Tweak III is a new software from ASUS that handles GPU monitoring, overclocking, and tweaking (such as fan profiles or lighting). Right-click on the Windows desktop, select Radeon Settings, and then head to. Most GPUs nowadays, and as far as I know all 3070 models specifically, have a maximum safe operating temperature of about 83C-85C. ASUS is refreshing its overclocking and monitoring tool for graphics cards. You can still check your Radeon GPU’s temperature by wading into the Wattman overclocking tool in Radeon Settings. The sample period may be between 1 second and 1/6 second depending on the product. ![]() Percent of time over the past sample period during which one or more kernels was executing on the GPU. My EVGA 3070 FTW3 Ultra sits between 32C and 34C, but that's with around 40% fan speed. These may be reduced when the GPU is not in use. I'd recommend looking up a tutorial on how to set that up if that interests you.Īt idle: below 45C is optimal. You can also have an OSD (on-screen display) using Afterburner and RivaTuner, so you can watch all of your stats in real-time on your screen. Long answer: Custom fan curves using MSI Afterburner will come in handy to keep temperatures down if you care. ![]() ![]() It doesn’t get mentioned very often but in conjunction with man and info pages and a little curiosity it is a great tool for exploring what your system contains and can offer you. Everyone has to start somewhere and even experienced users can have surprising gaps in their knowledge – probably not many who don’t know cp inside out though :-)Īnyway imo a better answer to such a noob question might be to describe the command `apropos`, and show a small section of a sample output:Ĭlone (3pm) – recursively copy Perl datatypesĬow-shell (1) – Start a copy-on-write session and invoke a shell.Ĭpgr (8) – copy with locking the given file to the password or group fileĬpio (1) – copy files to and from archivesĬppw (8) – copy with locking the given file to the password or group fileĪpropos is a great discovery tool for people new to a unix-like OS or new to the command line and is also useful for experienced users. ![]() If you want to go into further details, you can actually check that the SSH server is listening on port 22 with the netstat command.I think noobie questions are OK. sudo systemctl status sshdīy default, your SSH server is listening on port 22 (which is the default SSH port).
![]() Qt and respective logos are trademarks of The Qt Company Ltd in Finland and/or other countries worldwide. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. ![]() If your Qt version has no libQtCore.so, Qt Creator is unable to detect the ABI.ĭocumentation contributions included herein are the copyrights of The mkspecs directory should be complete enough to parse.Qt Creator fetches these directories by running qmake -query. The bin and include directories have to exist.qmake is an executable that understands the -query command line argument.You should really upgrade to at least Qt Creator 2.1.0, or to the just released 2.2 beta. Youll need to enable it manually by going into Help -> About Plugins., checking QmlDesigner, and then restarting Qt Creator. If your build of Qt is incomplete but you still want to use QMake as build system, you need to ensure the following minimum requirements to be able to use that setup with Qt Creator. In Qt Creator 2.0.1, the QML Designer is disabled by default. ![]() The official Qt Design Studio manual is found here. The free community edition can be found here. You can always contact us if you want to extend the trial. This will start you with a download link for your 10-day trial. If the Qt version is for QNX, enter the path to your installed QNX SDK in the QNX SDK field. Head to our Qt Design Tools webpage, and click the Free Tech Preview Trial button under 2D Feature Highlights.In the qmake location field, you can change the qmake location.In the Version name field, edit the name that Qt Creator suggests for the Qt version. iso ( International Organization for Standardization ) file is an archive file that contains a disk image called ISO 9660 file system format In such cases you can use Touch if your GNU Linux Debian remap shift-right to menu key (r mouse button click key) GNU Linux howto create mac partition hfs+ with gparted greyed out option GNU Linux.Select the Qt version to view and edit it.Select the qmake executable for the Qt version that you want to add. Search: Multimc Install Forge Greyed Out.Select Tools > Options > Build & Run > Qt Versions > Add.You specify the Qt version to use for each kit for building and running your projects in Tools > Options > Build & Run > Kits. These enable processing graphics and compute shaders to make them usable for Qt Quick and other components in the Qt ecosystem. Qt Shader Tools Tools for the cross-platform Qt shader pipeline. To add Qt versions, select Tools > Options > Build & Run > Qt Versions. Qt Designer A tool for designing and building graphical user interfaces (GUIs) using Qt Widgets. To view detailed information for each Qt version, select it in the list and select Details in the Qt version for section. Qt Creator automatically detects the Qt versions that are registered by your system or by installers. For example, device manufacturers provide special Qt versions for developing applications for their devices. Qt Creator allows you to have multiple versions of Qt installed on your development PC and use different versions to build your projects. |
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