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Introduction to Inkscape Extensions

Inkscape Extensions are types of additional scripts or plugins that help Inkscape for performing particular operations that are not built-in in it during its development. There are a number of extensions in Inkscape already those you can use for enhancing the working ability of this software, and these extensions make our work easy, and we can perform complex operations smoothly. If you want, you can install any external extension in Inkscape and use that external extension, same as we can use a built-in extension of it. Here in this article, I will tell you where you can find extensions to use them in Inkscape and how to install external extensions too?

How to use Extensions in Inkscape?

We can use built-in extensions of Inkscape for performing several types of works in it. You will find a number of good extensions in the Extension menu of the menu bar of this software. So let us start our discussion about it.

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Let me tell you how you can use them. Each and every extension has its different way of using it. So you can learn all the important extensions by practicing on them. I will tell you about one of the extensions and explaining to you how you can perform that extension?

Then I will take the Bezier tool from the tool panel.

And create a path like this. You can create any path by using other tools of this software; that is, you can create a rectangular path and then edit as per your choice or create a circular path with the Ellipse tool and so on. We are going to change the view of this text to a perspective view.

Now both of the objects are paths, so I will repeat the same process and go to again the Perspective option of Modify Path extension.

And you can see it changes the view of my text according to the perspective of the other selected path.

The other path is still a separate path, and you can do modification in it for making it a good background of this text or some other creativity with it, or you can delete it also it will not affect the text path anymore.

So, in the same way, you can use other extensions of the Extension menu of the menu bar for different types of purposes.

Now let us see what we have to do if we want to use any external extension that is not in this software.

How to Install Extensions in Inkscape?

For installing your desired extension in Inkscape, first, navigate for your desired extension and find its download link. For example, I want to have this extension in my Inkscape program. So I will download its Zip file from its download link.

Now after downloading its zip file, extract it.

After extracting it, open its folder and copy all the files of the folder. I will select all by pressing the Ctrl + A button of the keyboard and press the Ctrl + C button of the keyboard.

Now go to the C drive of your computer, then open the Program files folder.

Find Inkscape folder the list of Program Files folder and open it.

Then again, there is an Inkscape folder, so open it too.

Now in this folder, you will find the Extensions folder, so open it.

And paste copied files of extension here by pressing the Ctrl + V button of the keyboard.

And we will have all the copied files here. After doing this process, you can restart Inkscape if it is open, and you will find your installed extension in the same Extensions menu of the menu bar.

In this way, you can go with an extension in Inkscape and also have our desired one as per our choice.


Now working with extensions is no more an unknown task for you, and you will also find it very helpful during working with several types of extensions for particular work. The plus point of Inkscape is that it offers you a number of built-in extensions as well as you can add your favorite one from external sources.

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Learn How To Use Kubernetes Tolerations?

Introduction to Kubernetes tolerations

The Kubernetes tolerations are defined as; it is the property which is provided by the Kubernetes that allows user to trace a node which is called as the taint of the node which is reserved by artificially; hence no any pod has been scheduled to it; otherwise, a pod clearly tolerate the taint. Thus, the toleration feature of Kubernetes allows us to generate the nodes which are committed for the particular pod; we can say that a pod that is needful of more assets of the node that are available for utilizing the schedule to a node which is specified for them.

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What are Kubernetes tolerations?

The Kubernetes tolerations is the feature provided by the Kubernetes to allow the user to trace a node, in which toleration is the process of disregarding a taint. In contrast, scheduling, the tolerations are not be applied to a pod. Still, we can apply them to the pods; if we try to put in toleration to the spec of the pod, then we can tolerate the disk slowly on the node which is in use; the feature of toleration can be used to spot a node so that we cannot be able to apply to schedule it rather than the pod can be tolerated explicitly which we can be called then a taint.

The tolerations can be applied to a pod that does not mean needful of the pod, but it allows the pod to schedule on the node with equal taints.

How to use Kubernetes tolerations?

Let us see how Kubernetes allows us to use the toleration; if we want to work with committed nodes, then we can use taint and tolerations both because by using the committed nodes, we can able to generate the pool of nodes by using particular parameters and also we can utilize them for particular applications hence we can also be able to distinguish the pods of allocations from our secondary applications.

The taint and tolerations can work together to ensure that the pods cannot be scheduled for unsuitable nodes; we can put in one or more taints to a node in which the pod will not approve such types of nodes they will not tolerate the taints.

We can use taint in such a way that,

key = value : Effect,

In which we can assign three different values to the effect such as NoSchedule, PreferNoSchedule, and NoExecute.

It has default value ‘equal’ for the operators, which can also use it as ‘exist,’ and if we wanted to change the operator with ‘exist,’ then we do not need to give the value to it also if the taint is not available on the node then he effect can be applied for the pod.

taint = test: NoSchedule, where we can say that the pod will not match the taint; hence it cannot be scheduled for this node.

Create Kubernetes tolerations

For creating the Kubernetes tolerations and also the taint first, we need to check the available nodes in the cluster,

We have to execute the command to check the available nodes in the cluster

"kubectl get nodes #Get current pods in the cluster "

For more than one node, we can use the command “describe” to check taints in the first node

"kubectl describe node node1 #Describe node01 node to extract more details"

We can add ‘app=frontend: NoSchedule ’ taint to the first node by using the command,

"kubectl taint nodes node01 app = frontend:NoSchedule #Add taint to the node01 node details of the node01 node" "kubectl describe node node01 #Extract"

We can generate the file and add it in a pod in the definition,

"vim chúng tôi #create a pod definition"

After that, for generating the pod without toleration, we need to execute the command,

"kubectl create –f chúng tôi #Create a pod" "kubectl get pods #Get details of the pod"

We can use the ‘describe’ command also for getting more details about the pod,

"kubectl get pods #Get details of the pod" "kubectl describe pod frontend #Extract more details of the Pod." Applying Kubernetes tolerations

The tolerations can be applied to a node by using the kubectl, we can apply kubectl for the verification of the described nodes, and that are may be applied to taint also, the described nodes may be multiples also, let us see an example of running or applying a node onto the node,

spec :

Tolerations :

key: machine learning

Operator : “equal”

effect : “NoSchedule”

In this example, the toleration can be matched by using the tainted node, and any of the pods can be developed in the node of machine learning; if we wanted to remove the tolerations on the node, then kubectl uses the command to remove them.

Kubernetes tolerations example

Let us see the example for tolerations,

apiVersion: v2 kind: Pod metadata: name: mhjoy labels: env: test1 spec: containers: - name: mhjoy image: mhjoy imagePullPolicy: IfNotPresent tolerations: - key: "taint" operator: "Exists" effect: "NoSchedule"

Above is an example of a pod that uses tolerations in which it has operator ‘exists’ so that case no. the value will be specified and ‘equal’ operator which has equal values, and the ‘NoSchedule’ effect should be given in which our system should attempt to spot a pod so that it does not tolerate the taint of the node which is not needful.


In this article, we conclude that the taint and tolerations are both can work together for making sure that the pod is not scheduled over appropriate nodes; we have also discussed some points which are related to using it and creating it, so this article will help to understand the Kubernetes tolerations.

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We hope that this EDUCBA information on “Kubernetes tolerations” was beneficial to you. You can view EDUCBA’s recommended articles for more information.

How To Show File Extensions In Windows 11/10

File Extension is that which identifies the file type. If you are a regular Windows user, then it is not at all a problem to identify the file type. For it is very important to see file extension to identify the type of file you are trying to open from a security point of view. So in this post, we will see how to hide or show File Extensions in Windows 11/10/8/7 and why you should show them.

What are File Extensions & how are they useful

Different file types have different extensions. Audio files have .mp3, .wav, .wma, and more based on the program used to open that file. File extensions also help the operating system to identify the corresponding program to open that particular file. So, you should be able to see file extensions to be at the safer side, and we will let you know how to enable options to see file extensions in Windows.

As mentioned earlier, by default Windows does not show file extensions and they are hidden. But, you can toggle the option to see them.

Show File Extensions in Windows 11/10

There are five ways how you can go about accessing this setting:

Through the File Explorer Options

Through Windows Explorer Ribbon

Using the Registry

Using Command Prompt

Using Group Policy Editor.

To Show File Extensions in Windows 11/10 via File Explorer Options, follow these steps:

Select the View tab.

In this tab, under Advanced Settings, you will see the option Hide extensions for known file types.

Uncheck this option

Windows 11/10 users may also search for File Explorer Options in Start search box and open this box.

Now, you can see file extensions for all files anywhere on your Windows system.

In Windows 11/10/8.1 Explorer, you can access File Explorer Options via Explorer.

Once here, you can do the needful as explained above.

These are very simple steps to follow, and you do not need any third-party software to view file extensions. Windows provides us with everything which can be easily achieved, and the point lies in knowing and implementing them. This is the first way to see file extensions in Windows 7.

2] Via Windows File Explorer

To show File name extensions in Windows 11:

Open Explorer

Select File name extensions.

Simply select the File name extensions checkbox, and you are all set.

3] Using the Registry Editor

Hit the WINKEY + R button combination to launch the Run utility, type in regedit and hit Enter. Once Registry Editor opens, navigate to the following key-


A value of 0 will hide the file extensions.

Exit the Registry Editor and then reboot your computer for the changes to take effect.

4] Use Windows Command Prompt

This fix can be used in both the scenarios mentioned above. Insert a bootable drive of Windows 11/10 installer.

Start by hitting the WINKEY + X combinations and select Command Prompt (Admin) to launch Command Prompt with Administrator Privileges.

Navigate to the root location of that bootable device inside the Command Prompt command line. Once you get there, type in the following to show the file extensions-

reg add HKCUSoftwareMicrosoftWindowsCurrentVersionExplorerAdvanced /v HideFileExt /t REG_DWORD /d 0 /f

And then hit Enter.

You can also enter the following command to hide the file extensions,

reg add HKCUSoftwareMicrosoftWindowsCurrentVersionExplorerAdvanced /v HideFileExt /t REG_DWORD /d 1 /f 5] Using Group Policy Editor

You can also use the Group Policy Editor and change the setting here:

Set “Show hidden files and folders” and uncheck “Hide extensions for known file types”.

Thus, you can set your Windows to show file extensions in Windows 11/10/8.

Read: How to create a file without an Extension in Windows.

How do I show file type extensions in Windows 11/10?

Read: How to open a file with no extension in Windows.

How do I see all file extensions in Windows?

The process to see all file extensions in Windows 11/10 is the same as the above one. That said, you need to remove the tick from the Hide extensions for known file types checkbox in the Folder Options window.

Viruses Learn How To Im

We’ve been writing frequently about the growing interest in IM bots, or interactive agents. In a corporate environment, an IM bot can interface with a backend database to provide information in response to a natural-language or text-based menu query — perfect for memory-limited mobile devices or for simplifying routine tasks, like corporate directory lookups.

On the consumer side, IM bots are being explored as a way to promote goods and provide ad-supported content (as Dow Jones is doing with its recent WSJonline launch.) Other companies, like ActiveBuddy, are looking to sell instant messaging-based information-services to consumers.

But there’s a more sinister sphere of innovation taking place within the realm of IM bots: malicious Internet viruses.

Witness the recent Fizzer worm, which is only now thought to be dying out after close to a week of rampant spreading.

Essentially, Fizzer works like a host of other worms, spreading as an e-mail attachment sent to random addresses, and addresses culled from Outlook Contacts and Windows Address Books on infected PCs. Once running, however, the worm acts as an IM bot to cause its mischief.

The bot attempts to connect to the AOL Instant Messenger network, as well as the venerable Internet Relay Chat network. On both networks, the worm seeks to make itself available to receive commands from its creator.

To connect to IRC, the worm scans through a built-in list of IRC channels, pinging each one to check whether it’s available. Once the worm has found an open channel, it connects using a random username. The worm also can automatically register a new, random AOL Instant Messenger username. It next attempts to log into AIM, using port 5190. Once online, it then joins a particular chat session.

In both cases, the hacker — who would be monitoring IRC channels and AIM chatrooms — can then see that the worm has successfully infected a PC. The hacker is then free to begin sending commands to the bot, including orders to transmit or delete files.

“Fizzer, which does a number of things — it’s a very creative little worm, — creates it own account, and that account attaches to a chat room on the Internet,” said David Loomstein, group product manager at Symantec Security Response. “So [hackers] know anyone on that chat room is infected with the virus — and they use that chatroom as a backdoor to do hacking on the infected machine.”

Similarly, the worm also runs an HTTP server on port 81, which acts as a command console. An outside party can then query the system for system information, like information on the user’s current version of mIRC and AIM. It also allows the hacker to launch AIM and IRC bot commands, as well as more immediately threatening actions, like a Denial of Service attack.

The worm is reminiscent of the AIM-Canbot worm that appeared, briefly, in April. That worm also creates its own AIM username and logs into a chat session, sending the message “aimb0t reporting for duty…” to alert malicious hackers to the fact that an infected PC is able to be hacked.

However, the AIM-Canbot is spread manually, rather than automatically.

An IRC-reliant virus in April, dubbed Aphex/Aplore, could surreptitiously install a freeware IRC client on a user’s PC — and then begins spamming IRC channels with links to Web pages with viral code. It also could use AIM — waiting until users connected to the service before using the IM client to send links for infectious Web pages to Buddies.

AIM and IRC aren’t the only IM and chat networks susceptible to chúng tôi February, the Menger/Coolnow worm used a security vulnerability in Microsoft Internet Explorer to gain control of a user’s MSN Messenger IM client.

But the Fizzer, AIM-Canbot, and Aphex/Aplore worms are some of the first examples in which a virus creates its own instant messaging identity and tries to connect with its creator — rather than wresting control of a user’s own IM username.

“There are several viruses that communicate using IRC or using the messenger programs, but I haven’t found anything yet that does create a new [AIM] account,” Loomstein said. “This is indeed an interesting wrinkle.”

Patches for the viruses have been released by the major anti-virus firms.

In the case of Fizzer, white hat hackers played a role in slowing the worm, when they undermined a tool the virus used to update itself. Since the worm connects to a geocities user page to download updates to its code, the hackers took control of the Web page and replaced the virus’ content with benign content.

While destructive, the trend toward viruses with an IM bot component could serve as additional ammunition for firms that market tools to secure public instant messaging, and for standalone enterprise IM vendors as well. That’s as companies are increasingly looking to assert control over IM’s often-surprising ubiquity in the workplace.

“IM is definitely a part of the equation now … It’s a new frontier that’s being exploited” by hackers, Loomstein said.

Learn How To Code: Step

blog / Coding Top 10 Inexpensive Ways to Learn How to Code

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ALSO READ: What is Coding? An Intro to Coding and Career Opportunities

Why it is Important to Learn Coding

It helps increase problem-solving ability

It inculcates resilience in the coder by offering challenges

It helps in understanding how to think

It helps develop creativity

Coding is an essential skill for the future

It aids in critical thinking

It develops logic

Benefits of Learning How to Code

Coding has multiple benefits, which you will understand at a deeper level when you learn how to code. Some of these benefits are given below:

Coding Can be Used for Data Visualization

One of the best ways to gain data analysis and visualization experience is by working with coding languages like Python and SQL. These abilities are useful for creating intricate data dashboards and reports, which are essential for improving data accessibility and comprehension.

Coding Can Support Creative Expression

You can find numerous jobs in more creative industries like graphic design, web development, or app development if you learn how to code. As an alternative, coding may be useful for non-tech positions too. For example, if you’re a writer and you need to update the design of a blog, or compose an email or newsletter, you can do so by using HTML or CSS.

Coding is a Universal Language

Code is a global language, much like mathematics; it is the same everywhere and does not require translation. Linguistic limitations can occasionally cause problems when changing jobs or migrating to another country. However, since coding languages are universal, you can take this talent wherever you go. Learning to code can increase your employability and offer you the flexibility to succeed anywhere.

Career Opportunities Can be Improved Through Coding Top 10 Reasons to Learn How to Code

Here are the 10 reasons why you need to learn how to code:

1. Jobs are Drifting Toward Automation

Many routine jobs have been mechanized thanks to programming. We need additional programmers to understand cookie-cutter jobs and then create a framework for automation. There are numerous tasks that can be automated like this.

2. Coding is a Lucrative Profession

In the past decade, the industry has witnessed a proliferation of startups and IT products. Companies continue to adopt newer technology stacks, even in programming. Every business cycle sees a brand-new stack enter the market, increasing the demand for programmers. Technology businesses often pay significantly better as the requirements increase.

3. The IT Community is Always Willing to Assist

Despite the fact that programming and technology-related occupations are in high demand, the tech community is less competitive than other sectors. Communities assist newcomers and mentor them as they learn new skills. Members of tech communities work at top firms and are quite helpful. They assist you to acquire a better job by including networking in the session.

4. Coding Jobs are Flexible (Remote/Hybrid)

Because coding makes use of cloud-based source-control technologies, you do not need to work from a traditional office. The developer can complete an issue and send the code to the team for approval. Everything is done remotely. This helps coding professions to be more empowering and flexible.

5. You Can Start a Pet Project

Many of today’s unsolvable challenges need a technological approach. It is challenging to find the correct individual to collaborate with in order to build a solution. Programmers are not cheap. As a developer, you may readily pick up side projects and provide engaging creative solutions. Without any dependencies, the solutions may serve a bigger market.

6. You Become Self-Reliant

Web-based apps are not the only ones that consume code. Programming is required for the Internet of Things (IoT) devices, drones, and semiconductors. Hardware devices too need programming. All of this can get challenging if you do not learn how to code. Additionally, coding allows you to create new things.

7. Coding is Basic Literacy in the Digital Age

Human interactions with websites, programs, and software, constitute the major money online. These are created and designed by programmers. Learning to code not only simplifies their development but also allows you to customize them. Companies employ a lot of technical languages because tech-based products are becoming more popular. Coding comes in handy even to request and discuss technical features.

8. Coding is User-Friendly

Application programming is a fundamental skill. The grammar and syntax of machine languages are built on human language. As a result, the learning curve is shorter. There is no minimum or maximum age to learn to code, as there can be for any other talent or interest. Coding, contrary to common assumptions, is not rocket science. Anyone of any age can learn how to code.

9. The Leisure of Online Classes 10. Coding Develops Logic and Creative Thinking

An algorithm is a primary tool used in coding. Algorithms divide an issue and its solution into smaller stages. Such algorithmic thinking has become more popular in recent times. Coding, therefore, broadens creative thinking and aids decision-making. It helps you to break down any difficulty into smaller steps, and then pursue one action at a time.

10 Steps to Learn How to Code

Figure out why you want to learn to code

Choose which coding language you want to learn first

Take online courses

Watch video tutorials

Read books and e-books

Use tools that make learning to code easier

Check out how other people code

Complete coding projects

Find a mentor and community

Consider enrolling in a coding bootcamp

ALSO READ: Wondering How to Improve Coding Skills? Here’s a 5-Step Guide

Can You Learn Coding at Home?

It is feasible and not unusual to learn to program from the comfort of your own home. Emeritus provides instructional courses that are valuable to both rookie and expert coders wishing to learn a few new professional tactics.

Learning to code has a great impact on all aspects of your life and provides you with a renewed feeling of motivation to accomplish your life objectives. If you’re new to coding and want to see if it’s for you, check out Emeritus’ online coding courses to gain a head start in this field.

By Siddhesh Shinde

How To Use Hashmap In Typescript?

The Hashmap is the one kind of data structure that stores the key-value pairs of the different data.  Like other programming languages, TypeScript also contains a built-in map data structure. In JavaScript, we can’t define the key or value type that needs to be stored in the map. So, we need to create a map of the generic type. In TypeScript, we can define the type of the key and value to be stored in the map.


Following is the syntax create the map in TypeScript −


key_Type − It is a data type of the key. Users can use String, numbers, boolean, Object, Array, etc.

value_Type − It is a data type of the value.

Hashmap Methods in TypeScript

The map class of the TypeScript contains the 5 to 6 methods that we can invoke by taking any object of the map class as a reference. Users can see the explanation for every method below.

get(key) − The get() method of the map class is useful to get the value stored in the map for the particular key. The hashmap contains the unique keys, and we can access its value using the get() method.


set(key, value) − The set() method of the map class allows us to set the key-value pair in the map. It takes the key as the first parameter and the value as the second parameter. Also, it takes a unique key. If the user passes the existing key, the set() method replaces the existing key’s value.


delete(key) − The delete() method takes the key as a parameter and deletes the key and its mapped value from the map object.


has(key) − The has() method also takes the key as a parameter and checks whether the hashmap contains the particular key and its mapped value.


Size − The size is a variable of the map class contains the numeric value representing the total number of key-value pair hashmap contains.

let total = hashMap.size;

clear() − The clear() method removes the all key-value pairs from the map() object and makes its size to 0.



In the example below, we have created a map and stored it in the “hashmap”. After that, we used the set() method to set the 7 different key-value pairs in the hashmap. Next, we access the values related to a particular key using the get() method.

hashmap.set(1, "Hello"); hashmap.set(2, "World!"); console.log("Value for the key 1 is " + value1); console.log("Value for the key 2 is " + value2);

On compiling, it will generate the following JavaScript code −

var hashmap = new Map(); hashmap.set(1, "Hello"); hashmap.set(2, "World!"); var value1 = hashmap.get(1); console.log("Value for the key 1 is " + value1); var value2 = hashmap.get(2); console.log("Value for the key 2 is " + value2); Output

The above code will produce the following output −

Value for the key 1 is Hello Value for the key 2 is World! Example

In the example below, we create a map and store it in the “hashmap” and get the size of the hashmap. To get the size, we use the ‘size’ variable of the map class.

// Setting up number-string pairs into the hashmap. hashmap.set(1, “Hello”); hashmap.set(2, “World!”);

// get the size of hashmap console.log(” “); console.log(“The size of the hashmap is ” + hashmap.size);

On compiling, it will generate the following JavaScript code −

var hashmap = new Map(); hashmap.set(1, "Hello"); hashmap.set(2, "World!"); console.log(" "); console.log("The size of the hashmap is " + hashmap.size); Output

The above code will produce the following output −

The size of the hashmap is 2 Example

After that, we use the has() method to check whether a particular key exists in the hashmap.

hashmap.set(1, “Welcome back”); hashmap.set(2, “to Tutorials Point”);

console.log(“hashmap contains the key 1? ” + hashmap.has(1)); console.log(“hashmap contains the key 3? ” + hashmap.has(3));

On compiling, it will generate the following JavaScript code −

var hashmap = new Map(); hashmap.set(1, "Welcome back"); hashmap.set(2, "to Tutorials Point"); console.log("hashmap contains the key 1? " + hashmap.has(1)); console.log("hashmap contains the key 3? " + hashmap.has(3)); Output

The above code will produce the following output −

hashmap contains the key 1? true hashmap contains the key 3? false Example

In this example, we delete the two key-value pairs from the hashmap. We also delete all map records using the clear() method.

hashmap.set(1, "Welcome"); hashmap.set(2, "To Tutorials Point"); hashmap.delete(2); console.log("Hashmap contains the key 2 ? " + hashmap.has(2)); console.log(" "); hashmap.clear(); console.log("The size of the hashmap after clearing is :"); console.log(hashmap.size);

On compiling, it will generate the following JavaScript code −

var hashmap = new Map(); hashmap.set(1, "Welcome"); hashmap.set(2, "To Tutorials Point"); hashmap["delete"](2); console.log("Hashmap contains the key 2 ? " + hashmap.has(2)); console.log(" "); hashmap.clear(); console.log("The size of the hashmap after clearing is :"); console.log(hashmap.size); Output

The above code will produce the following output −

Hashmap contains the key 2 ? false The size of the hashmap after clearing is : 0

In this tutorial, users learned the basic use of hashmap. From above examples, users learned to use methods of hashmap in TypeScript.

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