![]() In the figure to the right, suppose A and B are making simultaneous transfers between two accounts in our bank.Ī transfer between accounts needs to lock both accounts, so that money can’t disappear from the system.Ī and B each acquire the lock on their respective “from” account: A acquires the lock on account 1, and B acquires the lock on account 2. This avoids the problem of reordering, ensuring that the owner of a lock is always looking at up-to-date data. Using a lock also tells the compiler and processor that you’re using shared memory concurrently, so that registers and caches will be flushed out to shared storage. Release relinquishes ownership of the lock, allowing another thread to take ownership of it. If a thread tries to acquire a lock currently owned by another thread, it blocks until the other thread releases the lock.Īt that point, it will contend with any other threads that are trying to acquire the lock.Īt most one thread can own the lock at a time. ![]() Holding a lock is how one thread tells other threads: “I’m changing this thing, don’t touch it right now.”Īcquire allows a thread to take ownership of a lock. Since race conditions caused by concurrent manipulation of shared mutable data are disastrous bugs - hard to discover, hard to reproduce, hard to debug - we need a way for concurrent modules that share memory to synchronize with each other.Ī lock is an abstraction that allows at most one thread to own it at a time. ![]() The correctness of a concurrent program should not depend on accidents of timing.
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They're soft and inviting for kids of all ages. Once the brain is relaxed, the student's focus can switch to learning.īean bag chairs are naturally comfortable, so they promote learning. ![]() When someone is experiencing physical discomfort, the brain can't relax: it's focused on making the situation more comfortable. Let's take a look at the details.Ī child with a relaxed mind learns better. They're also more cost-effective than some fancy ergonomic desk chairs. There are quite a few things that bean bag chairs for classrooms can do to make a learning environment better. Is it possible that bean bag chairs for kids can help? However, most ergonomic furniture is out of the price range for schools, daycares, and other educational places. The ideal chairs will be contoured to match the natural curves of the back, reducing this discomfort. They won't be able to focus and get the information they need from a class. When kids feel like they can't sit still due to uncomfortable chairs, it can disrupt the learning process. Sitting on them made you fidget to find the most comfortable position. They were probably made of a hard material like plastic, metal, or wood. Think back to the desk chairs of your childhood. In addition to the risk of physical problems, many traditional desk chairs come with another drawback: they aren't comfortable to sit on for long periods. Just like an adult at a desk job, a kid in a desk chair for hours every day can start to feel pain, stiffness, and more physical problems. That's right - adults aren't the only ones who can suffer health issues brought on by long hours at a desk. But even worse, kids can start to develop back problems and other health issues resulting from poor furniture. ![]() If the seating isn't comfortable, the kids might have a hard time focusing. The right school furniture enables students to be poised to learn the things they need.Įvery day, kids spend about six hours, if not more, seated at a desk. Keep reading to get your bean bag questions answered!Įxperts agree that school furniture is an integral part of the learning process. In this guide, we'll give you the information you need to decide if these chairs are a good fit for your classroom or daycare. If you've been avoiding buying some beautiful bean bags, you might want to reconsider. However, the evidence shows that they can also be great for academic situations. ![]() These ultra-comfortable chairs are usually for relaxing and hanging out. The very first bean bag chair came out in 1969, and since then, they've become one of the most popular ways for kids to watch television, read comics, play video games, and more. Are you wondering if your students or children should be learning in bean bag chairs for kids? The answer might surprise you! To learn more about Caterpillar’s long history of innovation, go to /history. Today, we continue to focus on the changing needs of our customers by expanding our product and service offerings. 12 is an example of Caterpillar using cutting edge technology to provide our customers with the solutions they need. With over 80 years of service, it is the longest-running production model in the grader product line. The DNA of the Diesel No.12 is still on the product line today, where it is known as the Cat 12M series. ![]() Haifa-Bagdad Highway in the Middle East.Skyline Highway in Virginia and the Carolinas.12 worked on many well-known and important projects around the world: For close finishing work, a slower control setup provided extreme accuracy in blade settings. A simple shift of a lever gave the operator faster control for the longer blade movements required by coarse work. 12 Auto Patrol was even equipped with two-speed powered mechanical blade controls. The higher gears provided an ample speed range for a mix of road work, snow removal and travel. Second speed permitted faster operation for most ditching and other heavy work. A low speed provided both maximum pull for the heaviest jobs and more precision for fine grading. The transmission offered six forward speeds and two in reverse. A gasoline starting engine ensured easy starting regardless of atmospheric temperatures. Its six-cylinder Caterpillar diesel engine delivered 66 brake horsepower and was mounted over the driving axle to best utilize its weight in preventing wheel slippage. With the blade now mounted in the center position on the blade beams, the new Auto Patrol also permitted a correct ditching position on either side, with the toe of the 12-foot blade directly behind the front ditch wheel and ample clearance to prevent clogging. This feature was valuable for subgrade work, shaping bad spots, working short stretches, or where turning was difficult. In addition to high and low bank-cutting positions, the blade could be turned completely around, facing backwards, which meant an operator could continue to do work while driving in reverse. 12 had a range of useful blade positions, surpassing all competitors of its time. 12 was also a heavy-duty, self-propelled road grader designed for efficient and economical road building and maintenance work. But in addition to being stylish, the No. Its design was unique and is the origin of the modern motor graders we see today. ![]() In 1938 the Caterpillar Diesel No.12 was successfully demonstrated to an enthusiastic group of Cat dealers in Peoria, Illinois. 12 went on to be the most recognized, longest running machine on the Cat® Motor Grader product line. 12 Auto Patrol – part of the product line known today as motor graders. In July 1938, our road machinery division launched a new machine called the Caterpillar Diesel No. The fresh design targets up to 20 percent longer engine rebuild cycles than mechanical drive models, while 60 percent fewer moving parts translates to better machine uptime availability.During the height of the Great Depression Caterpillar continued developing cutting-edge new products. Promising low emissions-per-ton dozing, the D11 XE targets up to 25 percent less fuel costs per BCM. According to the company, when in production, this model will be the world's largest, most powerful and efficient electric drive dozer with high drive. THE ALL NEW CAT® D11 - MAKING THE BEST BETTER.How do you make the industry’s best large dozer even better By listening to our customers - the all new Cat D1. Leveraging 20-plus years of Cat electric drive experience and field application, the D11 XE dozer's electric drive system delivers constant power to the ground, continuous pushing and greater maneuverability for faster cycle times and improved fuel efficiency.Ĭombining optimum power to the ground with increased durability and ease of service, the D11 XE delivers the lowest cost per ton operation in dozing applications. ![]() MINExpo 2021 gave the mining industry the opportunity to see the future of efficient, productive and sustainable dozing with a preview of Cat's new D11 XE dozer. ![]() Full arch heads: These arched windows have corners, looking like rectangles or squares with curved, arching tops.Full chord arched window: These windows look like the top one-third of a circle, creating a look similar to an elliptical arched window, but more curved.Quarter circle arched windows: These windows are half of a half-round arched window.Half-elliptical arched windows: These are one-half of an elliptical arched window.Elliptical arched windows: These are wider semi-circles commonly installed above large windows and patio doors. ![]() Many of these can be installed above other types of windows. These are smaller windows shaped like half-circles or semi-circles. However, they require more maintenance, especially when compared to fixed arched windows, and they can’t be weatherproofed as effectively. It’s often less expensive to install multi-window arches than true arched windows. Using separate windows also makes it easier to create specific looks. Multi-window arches are commonly made with multiple rectangular windows with a smaller half-moon window on top, which help them mimic the aesthetic appeal of true arched windows. Instead of a single big window, multi-window arches are several windows arranged to look like an arched window. Opening arched windows are usually more expensive and require more maintenance. Opening arched windows can come in a double hung window or casement window style, with casement windows being the better option for airflow, unobstructed views, and escape during an emergency. In contrast to a fixed arched window, an opening arched window is operable it can be opened to provide ventilation to your home. Used heavily in churches, fixed arched windows provide lots of natural light, but no airflow at all because they are inoperable. These are any type of arched window that doesn’t open. Some of them are large, while others are small enough to fit above other windows. Keep these factors in mind when you’re trying to plan your arched window home improvement project.Īrched windows come in different styles, each with its own pros, cons, and aesthetic appeal. These include the style and type, window frame, window glass, size, and labor cost. There are many other factors that affect the cost of an arched window installation. Here is a list of prices you can expect to pay for your arched window installation based on the quality of your window.
![]() Open all downloaded snippet files in Notepad or the XML editor of Visual Studio and review them carefully before installing them. Snippets downloaded from the Internet should be treated like any other downloaded content - with extreme caution.ĭownload snippets only from sites you trust, and use up-to-date virus software. However, they can create security risks in your application. IntelliSense code snippets installed by Visual Studio are not in themselves a security hazard. Protecting resources (such as event logs, registry)įor more information, see Securing applications. The following list contains a few of the areas that must be considered. How secure a snippet is depends on where it is used in the source code and how it is modified once it is in the code. In addition, the user may not have permissions to write to the file. Be aware that between the time the user selects a file and the time your code manipulates the file, the file may be deleted. You can use the OpenFileDialog and SaveFileDialog controls to reduce the likelihood of invalid file names. For individual user data, the application can create a file for each user in the Documents folder. For application data, we recommend the Application Data folder. Storing files in the root folder ( C:\) is not secure. Users may not have access to the Program Files folder of the computer, so storing files with the application files may not work.įinding a secure location. When you adapt file locations to your application, you should think about the following:įinding an accessible location. For examples, see How to: Handle an exception using try/catch (C#) and statement (Visual Basic). For each exception, there are several ways to respond. That may not be the right choice for your project. Typically, code snippet Try.Catch blocks catch and rethrow all exceptions. For most applications, the code must be modified to suit the application. The code in a code snippet shows only the most basic way to do something. Applies to: Visual Studio Visual Studio for Mac Visual Studio Code Other scales, in addition to the Pauling scale, are the Mulliken scale, the Allred-Rochow scale, the Allen scale, and the Sanderson scale. The values on the Pauling scale are related to the electronegativity of hydrogen (2.20). On the Pauling scale, electronegativity values range from around 0.7 to 3.98. Linus Pauling suggested an electronegativity scale based on binding energies in 1932. History of Electronegativityīefore Jöns Jacob Berzelius called electronegativity in 1811, Avogadro and other scientists investigated it. The two oxygen atoms share the electrons in the covalent bond evenly. Both atoms in the O2 molecule have the same electronegativity. Linus Pauling created the most widely used scale.īecause the chlorine atom has a higher electronegativity than the hydrogen atom, the bonding electrons in the HCl molecule will be closer to the Cl than to the H. Electronegativity is measured on different scales. It essentially denotes the net effect of atoms in various elements' proclivity to attract bond-forming electron pairs. Because it is merely a tendency, it is a dimensionless attribute. What is Electronegativity?Įlectronegativity is the tendency of an atom in a molecule to draw the shared pair of electrons towards itself. An ionic bond is formed when one atom accepts the bond electrons from the other atom. If the electronegativity levels are extremely dissimilar, the electrons are not exchanged at all. In most chemical bonds, the electrons are more attracted to one atom (the more electronegative one) than to the other. ![]() In a covalent bond, two joined atoms with the same electronegativity values share electrons equally. Electronegativity is a feature of an atom that rises with its attraction to the electrons of a bond. You can check the source code for it here. The runner that executes GitHub Actions for us is open source. ![]() What the runner does with semantic versioning of using GitHub Actions ![]() Effectively that means that you’re saying 9.*.*. This means that you will get the latest version of 9.1 and 9.2 and 9.3 and so on. If you specify version 9, you will get the latest version of that MAYOR version. The same setup goes for the MINOR version. If version 9.2.0 is released, your package manager will not download that version, because it does not match the MAYOR.MINOR version you specified. If version 9.1.4 is released, your package manager will download that version. If version 9.1.3 is the current latest PATCH version, your package manager will download that version. Effectively that means that you’re saying 9.1.*. You can just specify the MAYOR.MINOR version and you will get the latest version of that version. This is very useful when you want to use the latest version of a library, but you don’t want to have to update your code every time a new version is released. This means you will get the latest version of 9.1 that is available. Following SemVer this means you want to use any version that matches the 9.1 MAYOR.MINOR version. You can be very specific and say you want to use version 9.1.4, but also be less specific and say you want to use version 9.1. The goal of using SemVer is that you can then specify what you as a user of a library want to use. Optionally you can use any suffix label you want to indicate special versions like alpha, beta, release candidate, etc: PATCH version when you make backwards compatible bug fixes.MINOR version when you add functionality in a backwards compatible manner.MAJOR version when you make incompatible API changes.Given a version number you increment the: Semantic versioning (SemVer) is an industry wide standard of giving meaning to the version number. ![]() When using GitHub Actions, the default is to use the Semantic Versions for which the actions where released. It’s more secure to use a SHA hash instead of a tag: read more info here.If the maintainer does not actually release, it’s not visible The marketplace shows releases, not tags.Even GitHub does not update (or create) all SemVer versions, so is not necessarily the latest thing for v3!.The runner just downloads what you specified, by getting it from the tag. Select an image that is already saved on your computer.If you haven't chosen a group icon yet, you will see an image placeholder.Click on the current group icon above the group name.To resize, pinch the image to zoom in and out (iOS only).Tap and scroll to reposition the preview box over the part of the image that you want to use as your group icon.Tap Done once you select an image from your Gallery.Choose your group icon from either your Gallery or by taking a photo with your Camera.Tap Info (Android) or the name of the group (iOS) at the top of the screen.See the article Who can add me to groups for more information.Īnyone in the group can change the group icon. If the person you are trying to add doesn't have you saved in their contact list, they might not be added to the group.Keep Viber spam-free: always make sure to ask for permission before adding someone to a group!.People who don't have Viber will be prompted to download the app.Enter the person's phone number, using the international format, in the search bar.To add someone who isn't saved in your contact list: Tap on the phone number to select and add it to the group.+(country code)(area code, without leading 0's)(phone number).*To add someone who isn't saved in your contact list:Įnter the person's phone number using the international format, in the search bar Tap on Create Group (Android) or Done (iOS) in the top corner to confirm.Tap on Name your group and enter the name of your group.You can either take a new photo or select one from your gallery.Tap the Checkmark (Android) or Next (iOS) to confirm.Select the contacts you would like to form a group with.Groups can be created with anyone in your contact list and also with people that aren't, as long as you have their phone number. Similar to view-only Communities, only admins and Superadmins can post in a Channel.įor more information on Groups, Communities, and Channels please refer to the following article:Ĭomparison: Group vs. Unlike groups, Communities often welcome people from around the world and can have up to 1 billion members.Ī Channel lets you reach an international audience without having to worry about moderating members, as only admins can post. ![]() It is generally intended to be used by people who know each other, such as families or friends who want to plan a birthday party.Ī Community is a set of people with a particular interest in common. On Viber, you can choose to open a group, Community, or Channel.Ī Group is a private chat with multiple people. ICD-10-CM F04 is grouped within Diagnostic Related Group(s) (MS-DRG v41.
![]() With Zapier you can add new connections as well. Or use Any.do with a personal digital assistant like Siri or Google Assistant. Sync your email up with a Gmail connection. Many remote teams owe a big thanks to Any.do. You can set up collaborative workspaces for projects and group tasks, as well as keep outside stakeholders in the loop.Ĭhat functions let you mention other team members which will alert them. CollaborationĪs is clear, Any.do is a good personal tool, yet when combined with chat and collaboration features, it is also a solid team platform. Many users adore the Any.do calendar interface design. It also seamlessly shares data with Google Calendar, iCloud, Outlook, and other calendar apps. Task management tools should always sync up with calendars and Any.do does this very well, putting tasks and events on a neat dashboard. Location reminders can also be set for when you arrive or when you leave a location. For example, if you can't forget to verify a document that is physically located in the office. There are also location reminders, meaning you will get the notification to complete a task when you are geographically near the place where the task must get done. You can set up recurring reminders to be daily, on a per week basis, or monthly, alongside easy one-time reminders. We've already mentioned reminders briefly above in the task management section, but they require a bit more detail. These are customizable and can be saved and shared. One more thing, when you get started with a new project using Any.do, the best way to go about this is to begin with a template. This allows users to create automated business processes to speed up work and reduce employee fatigue. What's more, Any.do project tools allow for easy workflows. ![]() Kanban dashboards, for those who don't know, are ideal ways of managing a number of tasks across a team for a whole project. Project management is where Any.do graduates from a simple personal planner to a proper business tool. There is also great syncing between the daily planner and the calendar. If you have video calls or meetings, you can have that data on your daily planner and join those meetings with just one click. If you need help, Any.do offers smart suggestions to help plan your day. From there, you can sort and pick the tasks that are either fastest to get done, or the issues that are most pressing. You get a daily good morning message that clearly numbers everything on your plate for that day. This one is included within the free package. The next Any.do tool is the daily planner feature. Any.do's task management toolkit works pretty decently on the mobile phone as well. Set due dates to keep track of deadlines, and add reminders in case you need a nudge.įinally, you can also share your tasks among your team, with the useful addition of task assignees, built-in chats, and progress tracking. Tasks can also get added data like notes and subtasks. Set colors for tags to easily tell priority level or category. It should be added that Any.do also takes security seriously, meaning your sensitive data and other privacy issues won't be compromised as you upload your personal tasks and daily events to their system. You can use Any.do as a personal tool, but it also has more advanced features for teams to use as a communication and collaboration platform, with shared workspaces being ideal for team project management. It exists to help create and run through to-do lists. If you aren't completely sure about getting the paid version of Any.do right away, you can look into a 14-day free trial.Īny.do todo list overview: what is Any.do & what is Any.do used for?Īny.do is a task manager system. Finally, you need a paid plan to access Any.do's integration library that includes over 5,000 separate business SaaS. What's more, you can only get WhatsApp notifications with the premium Any.do option, and the same thing goes if you want to create color tags and local reminders. Firstly, the free plan gets you task and list management, but not recurring tasks. Here are some of the main differences between the free Any.do plan and the paid plans. You can still possibly find third party sites that offer Any.do discounts, but always check directly with Any.do to ensure they are valid.Īny.do free vs paid: what’s the difference? Contact Any.do directly through their web form for more information.Īre there any Any.do coupon codes or promo discount vouchers?Īfter doing the research, one does not find any special coupon codes or promotional vouchers for Any.do. How much does Any.do cost for nonprofits?Īs of now, there are special prices for students, educators or for people working at an NGO. |
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