Category: Technology

Selecting the Best Screenshot Tool For Work!

On May 7, 2024

A good screenshot tool will allow users to capture the full screen, windows, regions, scrolling windows or web pages. It will also make editing easy – resizing, cropping, highlighting, blurring or annotating with arrows and shapes.

A good screenshot program will also offer collaboration tools, so teams can request feedback or updates. It should also be able to redact images to protect sensitive information.

Snagit

Capture anything on your screen.

Moderators, columnists, bloggers, image-makers, and IT laborers are all in need of a powerful and convenient screenshot tool, and Snagit is the best in its class. This software from TechSmith has continued to evolve over time, adding new instruments and enhancing existing ones.

Snagit is a good choice for taking scrolling captures because it allows you to manually or automatically scroll down and up windows, web pages, long documents, or wide spreadsheets. You can also set custom keyboard shortcuts and create customizable presets to simplify your workflow. It offers several tools that allow you to mark up and edit your screenshots, including arrows, callouts, text additions, and more.

The program is also a great solution for creating step-by-step instructions, tutorials, training videos, user documentation, and more. You can even use it to create animated GIFs and videos to illustrate processes. It’s the perfect solution for making quick how-to content and sharing it with your team.

Nimbus

Nimbus is a reliable screenshot tool that offers a full-page capture option and an excellent editor. It can be used to take screenshots and record videos, and it also allows users to personalize them with effective blur, draw, write and crop tools. It also supports horizontal scrolling, which makes it easy to capture entire pages. It can be launched with a click of a button or with custom hot keys.

Using a screenshot tool can help you communicate your ideas and concepts more effectively. You can use it to show a link, highlight an area on a photo or video, or add text. It can be used to share information with others, and it can also save time and energy by avoiding the need to explain your idea verbally or choose the right words when composing a message.

Nimbus Capture is free to download, but some features require a subscription. This screenshot extension is easy to install and works well in the Chrome browser. It allows you to capture an entire web page or a selection of windows and tabs, and it can be easily saved in JPG or PNG. It can also be uploaded to Nimbus Note or Google Drive with a single click.

ScreenGrab

ScreenGrab offers users a complete toolkit to take and edit screenshots. It includes a wide array of drawing tools, like arrows and speech bubbles, as well as text boxes, eye-catching captions, ragged edge splicing, smart text removal and pixilation. It can also crop, round corners and add drop shadow effects. It can even rename files and make thumbnails and watermarks.

Taking a screenshot with the best screenshot tool can help you communicate information quickly, capture error messages for technical support, and create step-by-step guides to help your team members solve problems. While the built-in screenshot tools that come bundled with Windows and Mac OS are adequate, third-party tools can offer more advanced editing options and annotation capabilities. They can also support a wider range of devices and integrate with collaboration software and knowledge base apps. Some have scrolling capture capabilities and can also record video. A few offer instant sharing and uploading to cloud services and social media platforms. They can also merge and annotate screenshots and create GIFs.

ScreenRec

Thousands of users have already tried out this free tool, which provides a simple way to capture and record the computer screen. This tool also includes the feature to edit the recorded videos and screenshots.

It is easy to use and can be downloaded for free from the company’s website. The program can capture the entire screen, a specific window, or a portion of the screen. It can also set a delay or show the mouse pointer and clicks. It can be used to record a screen and record audio, and it has a feature that allows the user to share the recorded video via email.

The software offers annotation tools that allow users to add text and shapes to their screenshots and screen recordings, which is helpful for emphasizing key points or adding explanatory notes. It offers cloud storage for convenient content sharing and prioritizes security with privacy controls. It also has a link button that instantly shares media to Outlook and Gmail.

The Power of VPN and What It Does

By Melinda

On May 5, 2024

In Technology

A VPN is an essential tool for anyone who cares about digital privacy. It’s an easy-to-use way to protect yourself while browsing on public Wi-Fi.

Without a VPN, everything you do on the internet is visible to your ISP. This includes the websites you visit, the apps you use, and your browsing history. With a VPN, all of that data is encrypted and hidden from your ISP.

Authentication

A VPN uses authentication to verify that a device is allowed to access network resources. The primary form of authentication is a username and password combination, but many VPNs use more than one factor to authenticate users.

Role-based access control is another important method to help secure VPNs. It assigns user roles within a business and allows them to access only those services and files that are necessary for their role. This minimizes the impact of a compromised account by limiting what a hacker can do.

Companies with offices in multiple fixed locations can use a site-to-site VPN to connect those locations into a single network, making it easier for remote workers to work from home or on the go. A VPN can also be used to circumvent censorship by connecting to servers in countries with a freer Internet. For example, journalists in repressive countries use VPNs to keep their sources and work private. Online shoppers can use VPNs to avoid price discrimination based on their location or perceived ability to pay.

Encryption

When a VPN is on, data that goes to and from your device gets encrypted before it hits the Internet. This prevents anyone from seeing what you’re doing online, even if they have access to your network.

In the past, VPNs were used to help remote workers connect to their corporate networks. But as privacy concerns grew, people started using them at home as well.

Now, almost everyone who uses the Internet regularly benefits from using a VPN. Journalists who need to protect their sources use them, businesspeople with sensitive work in different locations need them for cybersecurity, and people living in undemocratic or illiberal states use them to get around government censorship.

When choosing a VPN, consider the provider’s data usage policies and logging policy. Also, make sure to look for a VPN that offers simultaneous connections, because you may want to use it on multiple devices at once. Some free VPNs may limit how much data you can use during a period of time, while paid versions typically do not.

Routing

A routing protocol enables you to choose the best path for data transmission across a network. It also helps optimize the performance of real-time applications like videoconferencing and online gaming. Quality of service (QoS) is a type of routing that ensures that traffic for important applications gets priority over less time-critical data.

The routers that connect the Internet use a variety of routing protocols. One popular type of routing is BGP, which lets different autonomous systems share information about routes to other networks. BGP also supports dynamic routing, which allows each router to automatically update its routing table when it discovers a new route that is better than the previous one.

VPNs use a variety of technologies to create secure, private connections between office locations. These technologies allow businesses to expand their private internal network without the high cost of leased lines. They also enable employees to work from home or the office and use technology like desktop sharing to collaborate on projects. To get more information, head on to v2ray 机场怎么选 to know more.

Speed

The primary reason for slow VPN connections is the time required to encrypt and decrypt data, as well as the round-trip time from the VPN server to your device. Some VPN services also prioritize bandwidth for users who need it most, which can result in slower connections.

In addition, the type of VPN protocol you use can have a significant impact on performance. For example, PPTP has more speed limitations than OpenVPN. Finally, if you use a free VPN service, your connection may be slowed by malware or other problems that can drain your bandwidth and affect performance.

To speed up your VPN, try closing any unused tabs or applications on your computer that could be using up resources and affecting your internet or VPN connection. You should also restart your router and any other connected devices. Restarting these devices gives them a fresh start and can sometimes solve VPN speed issues.

Multi-dimensional Evaluation of AI Programs

By Melinda

On May 3, 2024

In Technology

AI programming involves creating tools, software or programs that possess the ability to learn from extensive datasets, enabling them to predict outcomes and discover easily overlooked patterns and behaviors. It’s an approach that can be applied to a wide variety of business issues, from boosting efficiency by automating repetitive tasks to improving customer experience and accelerating innovation.

The most common way to evaluate a machine learning algorithm is accuracy, which measures how often it produces a result that agrees with the real world — in other words, how much did it get right? But that’s just one of many considerations to take into account when evaluating AI. Evaluators need to consider the other facets of an AI’s performance, including explainability, scalability, and adaptability. Informed evaluation also looks to the future, anticipating how AI/ML capabilities may change over time and ensuring that an organization is prepared to handle those changes without technological constraints.

A good place to start is by looking at the model’s performance on a given problem. But it’s important to remember that a given model may perform very differently on different data sets. The best way to compare the results of different models is to use a “representative” test set that’s as similar as possible to the target problem. This way, engineers can assess the accuracy of different algorithms on a consistent basis. For example, in medicine, the most representative test case is probably a mammography screening population.

Another important factor on evaluation of the program is the quality of the data. It must be clean and well-organized so that the algorithm can train effectively on it. It must be large enough to provide a good estimate of the error rate. And it should be sufficiently unbiased to ensure that the model is not biased in some way, for instance by training on the same data for too long.

Lastly, the ability of an AI to adapt to changing circumstances is a crucial aspect of its value and usefulness. It must be able to cope with new data and situations that the original developers did not anticipate. This means being able to modify the model or create an entirely new one when necessary. It also needs to be able to track in real-time its progress, allowing the user to adjust its parameters as needed and improve its performance.

Currently, the science of repeatable and useful evaluations for AI is very young. There is a lot of work that needs to be done, such as increasing funding for departments of computer science and research organizations focused on this area. There is also a need for better standards and more rigorous testing to improve the quality of evaluations. Finally, it is critical to promote an environment in which developers and users can share their experiences with a given tool to help the community make informed decisions and provide feedback on improvements.

Dynamic Keystroke Keyboard : Versatile Typing for Every Need

By Melinda

On April 27, 2024

In Technology

Unlike other types of biometrics, keystroke dynamics can be captured on a standard computer keyboard and requires no additional hardware. This makes it an attractive authentication method as it can be used to monitor and detect anomalies for real-time authentication of a subject. Moreover, it is highly accurate in detecting changes to the normal typing pattern of a subject.

The speed at which a subject presses keys (flight time) and the duration of holding each key down (dwell time) vary from person to person due to their different typing patterns. This enables software to identify and recognize the individual characteristics of each subject’s typing style, resulting in higher accuracy than traditional biometric methods such as fingerprint or face recognition.

Keystroke dynamics is also a non-intrusive, user-friendly technology that does not require users to perform complex tasks or gestures to use. Instead, it can be implemented in an existing application with no extra effort required by the user and thereby increases user acceptance of the technology. It can also help to prevent fraud or theft by continuously monitoring the typing behavior of a subject and alerting if an anomaly is detected.

Compared to other technologies that are based on physical or behavioral biometrics, the advantages of using dynamic keystroke dynamics include lower cost and simpler integration. Moreover, there are no special sensors needed to capture the subject’s typing patterns as they do not need to be transmitted to a remote server for analysis. Instead, the software-based solution captures the typing data directly from a keyboard and is available to the user immediately without requiring additional hardware such as a smart phone or tablet.

A subject’s typing rhythm varies considerably from day to day, and even within the same day, due to fatigue, switching between computers / keyboards, mood, influences of alcohol and medications and other factors. This sensitivity to changes in the subject’s typing rhythm means that it is difficult to achieve very high FAR and FRR values for behavioral biometrics, such as keystroke dynamics, unless a very large set of samples is collected.

To overcome this, the invention uses a dynamic keystroke prediction engine which compares the selected symbol against a second set of prestored symbol sequences to determine if a match is achieved. When a match is determined in step 36, the microprocessor 4 controls the keyboard 3 to display an alternative keyboard (containing less than all of the original symbols) of the matched dynamic category. The alternative keyboard is preferably embellished to distinguish it from the other non-embellished symbols displayed by the keyboard 3.

For example, in FIG. 10, a user enters the word “anti-climactic.” The prediction engine 74 predicts that the next grammatical character to be entered will most likely be a hyphen, and thus the dynamic key 74 is adjusted to display and represent a hyphen after the entry of ‘anti’.

The alternative dynamic keystroke keyboard of the matched dynamic category can be further altered to show other features that are not displayed by the original symbols displayed on the keyboard, such as icons for certain cellular networks or international calling codes. The icon prediction can further enhance the security of the solution by requiring that the user confirm that they are attempting to authenticate using a valid icon.