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- QâfModels hints and discussions on model building, modifications and airbrushing
Qâf Scale Models Gozo Qâf Models är utformad för att visa upp mina modeller och visa hur jag bygger och ändrar dem. Det är också en plattform för mina fotografier och bilder. Tips om modellsatsmodifieringar, elektroniska kretsar och deras komponenter. Tips om airbrushing, utrustning och skötsel. Diskussion om airbrush och handfärger, grundfärger och lacker. Discussions and ad vice on using airbrushes, hand painting, types and use of primers, and varnishes. Provide a platform to help each other. Forum for discussions, advice, and support on all aspects of scale modeling, painting, and modifications. Provide a platform for my other hobbies and interests.
- Installing Linux Wine | Qâf ScaleModels Gozo
Installing Wine to Linux Mint Steps to install and run Wine 6 on Linux Mint 64-bit system. Step 1: Update System Before installing programs, it is good practice to update the system. This is done using the command line using these steps: Type at the command line and then press ‘ ENTER ’ after each line typed: $ lscpu To check what system, you are running the command below will list what CPU is in use. To install Wine on a 64-bit Mint system, type the following command in Terminal: $ sudo apt install wine64 or $ sudo apt install wine32 for a 32-bit system To agree to the installation prompt: Type ‘ y ’ and then press ‘ ENTER ’. $ wine --version Once the installation of Wine is completed, you can verify it using the following command in Terminal: The above command can be used to check the installed version of Wine.
- Cornwall | Qâf ScaleModels Gozo
Cornwall
- DVI Conntctor Types | Qâf ScaleModels Gozo
DVI-I - DVI-D - DVI-A Differences Differences between DVI-I - DVI-D - DVI-A connector types DVI connectors come in three types: DVI-D (digital) DVI-I (integrated; analog and digital) DVI-A (analog) DVI-I and DVI-D connectors have different data rates, also known as single-link or dual-link. Each link type has a maximum allowed data rate that ensures the data is not corrupted when transferred from the graphics card to a monitor. DVI uses Transition Minimized Differential Signalling (TMDS) to transmit data over a single twisted wire pair. A single-link DVI connector consists of four TMDS links. Three of the four links link to the red, green, and blue RGB video signals, while the fourth is the clock control channel. Single-link connectors operate up to 165MHz and offer 1.65Gbps of bandwidth and can support resolutions up to 1920×1200 at a refresh rate of 60Hz. Dual-link connections double the number of RGB TMDS pairs – exclusive of the clock pair, thereby enabling up to 2Gbps of bandwidth. They can also support higher resolutions up to 2560×1600 at a refresh rate of 60Hz. Dual-link connectors are fully backward compatible with single-link operation unless a display mode uses more than 165MHz pixel clock frequency or 24 bits per pixel. While a single-link connector cannot support dual-link connections at any time, so dual-link connections are preferable. DVI connection pins are comprised of an 8×3 rectangle pinout supporting TMDS, DDC, analog vertical sync, power, hot-plug detection, and ground signals. So there is: Pins 1-24 4 analog pins for RGB and horizontal sync C1-C4 Long flat pin for analog ground C5 DVI-A connectors have 17 (12+5) pins, they do not have a dual-link option and only carry analog signals. These signals are equal to VGA signals but are presented as an altered configuration. So, a VGA to DVI adapter is necessary to connect a VGA video card to a DVI-A monitor or a DVI-A video card to a VGA monitor. Due to VGA being the dominant connector for analog monitors and DVI as a standard for digital signals for many years DVI-A connectors are rare, while DVI-I and DVI-D connectors are common. DVI-A cables will work with both DVI-A and DVI-I connectors. Male DVI-D cables may fit in a female DVI-A connector but will not work as they do not carry any analog signals. DVI-D connectors transfer digital video signals. There are two types: Single-link DVI-D connectors have 19 pins (18+1) Dual-link DVI-D connectors have 25 pins (24+1). DVI-D cables will work with both DVI-D and DVI-I connectors. HDMI and DisplayPort connectors will also support DVI-D video signals using an adapter, but DVI-D cannot support the supplementary features that HDMI and DisplayPort have, like: Integrated audio CEC control Most digital monitors will have a DVI-D connector, while monitors that support digital and analog signals usually have a DVI-D with a VGA connector. DVI-I single-link connectors have 23 pins (18+5) Dual-link connectors have 29 pins (24+5). DVI-I connectors will not convert analog and digital signals but will accept a digital or analog signal, but not at the same time. If a video card, monitor and cable all have DVI-I connections with the ability to support both analog and digital signals, one mode of operation must be selected. DVI-I connectors will work with all DVI cable types. But a male DVI-I cable will not connect to a female DVI-D connector owing to the additional analog pins. DVI Pins DVI Pins HDMI Pins HDMI Pins Display Port Pins VGA Port Pins Display Port Pins VGA Female DE15 socket - Port Pin This image displays and tables a 15-pin VESA DDC2/E-DDC connector, the diagram’s pin numbering is a female connector that functions as the graphics adapter output. While the male connector numbering corresponds with the cable's wire-and-solder side.
- Transistors | Qâf ScaleModels Gozo
Transistors Transistorer är halvledaranordningar som används för att växla elektroniska signaler, förstärka eller ström. Transistorer är grundläggande i moderna elektroniska kretsar. En transistor är tillverkad av halvledarmaterial och har vanligtvis tre terminaler för anslutning till en extern krets. En spänning eller ström som appliceras på ett par av transistorns terminaler styr strömmen genom ett annat par terminaler. Eftersom den kontrollerade (utgångseffekten) kan vara högre än den styrande (ingångseffekten) kan en transistor förstärka en signal. Idag är vissa transistorer förpackade individuellt, men många fler finns inbäddade i integrerade kretsar. Bipolära korsningstransistorsymboler Det finns två typer av transistor, NPN och PNP. NPN-transistorn har två block av halvledarmaterial av N-typ och ett block av halvledarmaterial av P-typ. PNP-transistorn har två P-typ och ett lager av N-typmaterial. Symbolen för NPN för både NPN och PNP visas i figuren nedan. Skillnaden mellan NPN- och PNP-transistorer är i strömriktningen. Pilen i ovanstående diagram visar flödesriktningen för typisk ström i emittern med framåtförspänning applicerad på emitter-baskorsningen. Transistorer har tre terminaler som visas ovan: Emitter Samlare Bas Emitter - Emitter-segmentet levererar en stor del av laddningsföretaget. Emittern är ständigt ansluten framåt förspänd i förhållande till basen, den levererar bulkladdningsbäraren till basen. Emitter-bas-korsningen sätter in en stor mängd laddningsbärare i basen eftersom den är kraftigt fixerad och måttlig i storlek. Samlare - Samlaren ackumulerar den största andelen av laddningsbäraren som levereras av sändaren. Kollektor-baskorsningen är ständigt i omvänd förspänning. Dess funktion är att ta bort överbelastningsavgifterna från dess korsning med basen. Transistorns kollektorsegment är måttligt fixerat men större i massa så att det kan samla upp det mesta av laddningsbäraren som levereras av sändaren. Bas - Transistorns mittdel är basen. Basen bildar två kretsar: Ingångskretsen med sändaren. Utgångskretsen med samlaren. Emitter-baskretsen är förspänd och ger lågt motstånd mot kretsen. Medan kollektor-baskorsningen är i omvänd förspänning och ger högre motstånd mot kretsen. Transistorns bas är lätt arbetsoförmögen och extremt tunn eftersom den överför laddningsbäraren till basen. Kisel används vanligtvis för att tillverka transistorer för sin höga spänning, högre ström och mindre temperaturkänslighet. Emitter-bas-sektionen som hålls i förspänd framställning fastställer basströmmen som flyter genom basregionen. Basströmens storlek är mycket liten. Basströmmen gör att elektronerna rör sig in i kollektorområdet eller skapar ett hål i basområdet. Transistorns bas är extremt tunn och lätt fixerad på grund av detta har den färre elektroner jämfört med sändaren. Emitterns begränsade elektroner kombineras med basregionens hål och de återstående elektronerna rör sig mot kollektorregionen och utgör kollektorströmmen.
- Long exposure landscape photography | Qâf ScaleModels Gozo
Long exposure landscape photography I will discuss the practical aspects of long exposure landscape photography later, but first, we need to consider other key factors in getting quality long exposure photographs. Location is the key The first step in creating stunning long exposure images is choosing the correct landscape, one that is conducive to this kind of photography. Long exposures are ideal for conveying movement, but it can also be used to blur unwanted movement, removing the ripples or waves on a lake or sea scene can give a surreal feel. While showing a river, a waterfall, waves crashing onto a beach, or stormy passing clouds can depict movement and drama. Once a location has been identified, consider the time of day. The golden hour is undoubtedly the best time, and it happens twice a day. The golden hour is the short window of time right after sunrise and again right before sunset, when the air is filled with a flattering golden hue that is perfect for photographing everything from landscapes to portraits. During this time, the sun is low in the sky and more diffuse (and redder) than normal thanks to being filtered for a greater distance through the atmosphere. At golden hour, you will not find the harsh shadows seen at high noon. Because the sun is so low on the horizon, the light is directional, creating long, and soft shadows giving dimension to photographs. That soft dimensional light can be used to achieve creative effects that are not possible at other times of the day. So, when does the golden hour occur? It varies depending on the location, the time of year, and weather conditions. Apps, like PlanIt, can help determine sunrise, sunset times, the direction of the sunrise and sunset, and the optimum golden hour times. A general rule of thumb is that the golden hour is about an hour after sunrise and an hour before sunset. Subject matter Consider ways that can be incorporated into the frame, like static objects, a boulder or two, a tree, jetty, or island in a lake, icebergs, or a wreck on a beach. Walkabout looking for interesting subjects that might provide a focal point. Shoot in RAW RAW is a file format like jpeg, but unlike jpeg, it captures all the image data recorded by the camera’s sensor rather than compressing it. Shooting in RAW provides higher quality images but also allows for more control in post-processing. For instance, correcting underexposure problems or adjusting aspects like colour temperature, white balance, or contrast. However, one negative aspect of shooting in RAW is that the files take up more space, so I advise using larger SD or Micro SD Cards. Furthermore, RAW photos need some sort of post-processing, so photo editing software is essential. Set the cameras White Balance If the camera is set to Auto White Balance, it will compensate for all the beautiful warm tones you are there specifically for. Auto White Balance makes images bluer than required for the golden hour. In RAW, it is easy to adjust the white balance in post, nevertheless, it is still a good idea to manually set the white balance to get a better idea of what the scene is meant to look like. For beginners, a good initial point for beginners is setting it to shade or cloudy to help get the required golden hues. Aperture Priority mode Aperture Priority mode allows you to choose your aperture and the camera will automatically determine the best shutter speed. Set the ISO of the camera to 100 or lower if possible and let the camera decide the shutter speed. ISO determines the sensitivity of the camera sensor to light, so using the lowest value means that the sensor is minimally sensitive. Additionally, using the lowest ISO can minimize digital noise or grain in the shot. The less noise, the higher the image quality will be. Of course, a sturdy tripod is essential, and an external shutter release device or set the camera to a 2 or 5-second shutter delay to prevent camera shake. Post-processing Shooting in RAW will undoubtedly require some post-processing to enhance the look and feel of any long exposure landscape image. First consider increasing the blue primary in Lightroom or Photoshop as this will increase the vibrance of any rocks, boulders, tree trunks, etc. Then, think about enhancing colours by boosting saturation or vibrancy. Adjust the levels and curves to create an image with a more robust dynamic range. If you find areas of the shot are too bright or too dark, try your hand at dodging and burning to create a more well-exposed image throughout. However, post-processing is all about personal preference and one’s own creative perspective on photography as it is to compose the shot taken on location. Always make small adjustments that you feel are necessary to create the image desired and keep the master copy unaltered and safe.
- Programming and HTML Editing Software | Qâf ScaleModels Gozo
Programming Editing Software What is programming editing software? They are a computer program that edits plain text and called text editors. Text editing software is incorporated with operating systems and software development packages, they are used to write or modify configuration files, documentation files, and programming language source code. Here are some of the programming editing programs I use: Vim is a highly configurable text editor built to create and change any kind of text very efficiently. It is included as ‘vi’ with most UNIX systems and Apple OS X. Vim is rock stable and is continuously being developed into a better text editor. Features: Persistent, multi-level undo tree. Extensive plugin systems. Support for a myriad of programming languages and file formats. Powerful search and replace abilities. Integrates well with many tools. Notepad++ is a popular free-to-use code editor written in C++. It uses pure win32 API which offers a larger execution speed and small program size. It only runs in the MS Window's environment but uses a GPL License. Features: This text editor supports syntax highlighting for languages like PHP, HTML, CSS, and JavaScript. Auto-completion: Word completion, Function completion. Macro recording and playback. User-defined Syntax highlighting and folding. Customizable GUI. Multi-view and Multi-Language support. Visual Studio Code is an open-source (Free) code editing software developed by Microsoft. This free text editor offers built-in support for TypeScript, JavaScript, and Node.js. It is autocompleted with IntelliSense features provides smart completions based on variable types, essential modules, and function definitions. Platforms: Mac, Windows, Linux. Features: Easy working with Git and other SCM (Software Configuration Management) providers. Code refactoring & debugging. Easily extensible and customizable. Brackets is a free lightweight tool developed by Adobe. It allows you to toggle between your source code and the browser view. Platform: Mac, Windows, Linux Features: Quick Edit UI feature puts context-specific code and tools inline. Offers live preview, pre-processor support, and inline editors. Pleasant-looking User Interface (UI). A specifically developed tool for macOS Comes with the inbuilt extension manager. Dreamweaver is an Adobe software editor that allows users to create, code, and manage dynamic websites easily. Users can build responsive websites that adapt to fit any screen size, whether it is on a computer or handheld device. You can preview your websites and edit in real-time to ensure your pages look and work the way you want before you publish. It provides access code hints so users can quickly learn and edit HTML, CSS, and other web standards, and it uses visual aids to reduce errors and speed up site development. I have been using Dreamweaver for countless years and have found it to be a reliable robust editor. But it is expensive and out of reach for many non-professional users.
- Orchids | Qâf ScaleModels Gozo
Orkidéer Orkidéer har en unik aura om dem och kommer från alla delar av världen. Orkidéer har en stor mångfald i färger, former, storlekar och dofter, men inte alla har behagliga dofter. De växer in i tropiska, tempererade och vissa i nästan frysande förhållanden. Många anser att orkidéer är svåra att växa och blomstra. Faktum är att de flesta orkidéer är lätta att odla och att få blomstra, men med alla planeter krävs rätt förhållanden. Ett antal är praktiskt taget oförstörbara och med några grundläggande tips kan de flesta odla orkidéer så att de inte bara trivs utan blommar. Orkidéer har en unik aura om dem och kommer från alla delar av världen. Orkidéer har en stor mångfald i färger, former, storlekar och dofter, men inte alla har behagliga dofter. De växer i tropiska, tempererade och vissa i nästan frysande förhållanden. Många anser att orkidéer är svåra att växa och blomstra. Faktum är att de flesta orkidéer är lätta att odla och att få blomstra, men med alla planeter krävs rätt förhållanden. Ett antal är praktiskt taget oförstörbara och med några grundläggande tips kan de flesta odla orkidéer så att de inte bara trivs utan blommar. Bland de enklaste typerna av orkidéer att växa är: Phalaenopsis (uttalad - Fal-en-op-sis) Dendrobium (uttalad - Den-droh-bee-um) Cattleya (uttalad - Kat-lee-ya). Cymbidium (uttalad - Sim-bid-ee-um) Coelogyne (uttalad - See-loj-in-ee), Coelogyne Alba har en fantastisk doft. Mångfald Även om över 35 000 orkidearter bor på vår planet, har människor hybridiserat dessa arter för att skapa över 200 000 hybrider. Många odlas för sina attraktiva blommor, men utsäde av vaniljorkidén ger den populära smaken. Till skillnad från de flesta växter kan orkidéer växa i luften. Deras rötter fäster vid träd eller stenar där de kan fånga fukt och näringsämnen. Forntida härstamning Bevis tyder på att orkidéer härstammar från när dinosaurier strövade på planeten för ungefär 120 miljoner år sedan och många har en koppling till vissa typer av insekter eller fåglar för att de ska kunna pollinera sina blommor. Orkidéer är en stor, mångsidig och unik familj av växter. Orkidéer eller Orchidaceae är blommor av monokot i superordern Liliiflorae. Monocots är möjligen de viktigaste växterna på jorden och härstammar från våra fyra viktigaste livsmedel, såsom ris, majs, vete och korn. Andra, som bambu och palmer, är en primär källa till byggmaterial i många länder, och sockerrör, ananas, dadlar och bananer kommer från monocots. Orkidéfamiljen innehåller fler arter än någon annan familj av växter - vissa botaniker uppskattar för att innehålla cirka 25 000 till 35 000 arter. Orkidéer blommar i ett brett utbud av färger och former och de lever i en mängd olika livsmiljöer, från: Lev i direkt solljus, skugga, svala och kalla klimat Klättra på stenar, träd Väx på marken En annan funktion om orkidéer är att de har flera kännetecken, som: Pistlar (kvinnlig del) Ståndare (manlig del) Orkidéer kommer karakteristiskt i två huvudformer, monopodiala och sympodiala orkidéer. Monopodial orkidéer har stammar som växer på obestämd tid. Denna typ av orkidéblad växer alltid från slutet av en stam och monopodial orkidéer producerar ofta luftrötter längs sina stjälkar. Monopodial Orchids har inga pseudobulbs, de producerar ny tillväxt från plantans krona och rötterna kan vara särskilt tillfälliga. Det är inte ovanligt att ha luftrötter med jämna mellanrum längs stammen, särskilt på arter som Vandas. Blomspikarna, eller blomställningen, växer från stammens sida, inte från slutet. Populära monopodial orkidéer inkluderar: Vanda Phalaenopsis Sympodial orkidéer kategoriseras genom att ha en följd av skott eller glödlampor, kända som pseudobulbs. Pseudobulbs stiger från basen på den före den och varje pseudobulb har begränsad tillväxt. Rötter bildas normalt från basen av pseudobulbs eller längs rhizomen. Blomspiken av Sympodial orkidéer stiger från basen av pseudobulben eller till och med från en rhizom. Tropiska orkidéer är ofta sympodiala och populära sympodiala orkidéer inkluderar: Cattleyas Dendrobiums Oncidiums Spathoglottis Sympodiala orkidéer har pseudobulbs som växer på en rhizom. Dessa kan verka korta så att glödlamporna verkar fästa vid varandra eller tillräckligt långa för att det kommer några centimeter mellan dem. Det är nödvändigt att regelbundet potatisera dessa orkidéer på grund av det omfattande laterala tillväxtmönstret.
- Finland | Qâf ScaleModels Gozo
Finland Ylläs, Finland, well what can I say. If it is good skiing you want, it is not the best location to consider. I skied one day in two weeks if you can call it skiing. I eagerly made my way to the first slope in a thirty mile an hour wind and a blistering -42° (without the wind-chill) that froze my eyelids, I got off the lift and…waited, waited, and waited. At least a forty-degree incline and I was still stuck to the snow like glue to wood and ended up poling myself down the slope and worked up a greater sweat than running a marathon. Needed a drink after that run, not tea or coffee either. Meanwhile, my two mates were skiing one of the other three slopes. There are more than four runs, but most were closed because of the high winds. However, I can recommend the scenery, hospitality, husky safaris, and ski bike tours. Make sure you shop around as prices vary considerably. I managed to get a husky ski bike tour to a husky site and then a husky safari for the afternoon. We left at 1030 hours and arrived back about 1900 hours, so a full day for less than other companies was charging for a four-hour husky ride. The food was fantastic, if expensive, but once your there they have you, so you must cough up or stay in your accommodation all evening. Pete and I eat out every evening, but Chris tended to eat in. There is a nice supermarket, and the prices are good so if you’re on a budget eat in. The three of us found a fantastic chapel where Chris recited one of his compositions on the piano much to the pleasure of the locals. Pete and I talked to the woman who looked after the chapel. She was rightly proud of Saint Laurent chapel. It is a modern wooden design that hosts Christmas concerts with its innovative architecture and acoustic resonance. The chapel bell has its own structure outside of the chapel, an innovative design. We went in March and the temperature varied from -32 to -46. Our log-cabin had under-floor heating and a great log burner, so we were more than comfortable. It even had a clothing and ski boot warmer.
- RAID 0-4 | Qâf ScaleModels Gozo
RAID Striping 0 to 4 RAID 0 Striping With RAID 0 the data is written across multiple drives to improve access performance. There is no data redundancy. So, a 4Meg file would be written across 4 drives in 1Meg pieces. Because of this, the failure of one drive will render the data inaccessible, but the advantage is considerably higher throughput. RAID 1 (mirroring without parity or striping) With RAID 1 data is written identically to two drives, thereby producing a ‘mirrored set’. The read request is examined by either of the two HDDs containing the requested data, whichever one involves the least seek time plus rotational latency. Similarly, a written request updates the stripes of both drives. The write performance depends on the slower of the two writes, such as, the one that involves a larger seek time and rotational latency. At least two drives are required to constitute such an array. While more constituent drives may be employed, but many applications deal with a maximum of only two. The array continues to operate if at least one drive is functioning. Key: A, B, C, D, E, and F are blocks of data RAID 2 has bit-level striping with dedicated Hamming-code parity, all disk spindle rotation is synchronized, and data is striped so that each sequential bit is on a different drive. Hamming-code parity is calculated across matching bits and stored on at least one parity drive. RAID 3 has byte-level striping with dedicated parity, all disk spindle rotation is synchronized and data are striped so each sequential byte is on a different drive. Parity is calculated across matching bytes and stored on a dedicated parity drive. RAID 4 is block-level striping with dedicated parity and is equivalent to RAID 5 but all parity data is stored on a single drive. In this configuration files can be dispersed between multiple drives. Each drive operates independently allowing I/O requests to be performed in parallel. RAID 2 is more of a theoretical system and not used in practice. But although applications for RAID 3 exist it is not commonly used in practice.