How to do a screenshot on a Mac

How to do a screenshot on a Mac

On a Windows computer, you’ll find that there is a keyboard key for taking screenshots (the Print Screen key). In the MacBook it looks a little different…

This is because on a Mac, you use a set of keys to capture the screen in various ways. Although the sound of a single key is simply great, the Mac printing method is much smarter. The Mac screenshot has many options, so we’ll discuss them all here.

How to take a screenshot on a Mac

To take a screenshot, press and hold these three keys simultaneously: Shift, Command and 3. If you see a thumbnail in the corner of the screen, click it to edit the screenshot. You can also wait until the screenshot is saved on your desk.

Capturing a specific part of the screen

If you want to capture a small part of the screen, you can do it as follows:

  • Press Command + Shift + 4. The cursor will change to + and you can click and drag to select a specific part of the screen.
  • How to take a screenshot of a window or menu
  • Open the window or menu you want to capture.
  • Press and hold these keys simultaneously: Shift, Command, 4 and spacebar. The indicator will take the shape of a camera. To cancel the screen capture, press the Esc (Escape) key.
  • Click a window or menu to take a screenshot. To exclude window shadow from the screenshot, press and hold down the Option key while clicking.
  • If you see a thumbnail in the corner of the screen, click it to edit the screenshot. You can also wait until the screenshot is saved on your desk.
screenshot on mac

macOS Mojave and the new screen capture interface

Now we also have the option of calling a special interface that allows you to support all possible screenshot modes.

After pressing the key combination Shift + Command + 5 we will see a special bar with icons allowing us to perform some interesting screen-related operations.

We can do the following with the new screenshot tool:

  • take a screenshot of the entire screen;
  • take a screenshot of the selected window;
  • take a screenshot of the selected piece of screen;
  • perform video recording of activities performed on the screen;
  • perform video recording of activities performed on the selected screen section.


Change the default location for saving screenshots in macOS

Screenshots are saved to the system desk by default. If you would like to change it and, for example, save all screenshots to one folder on your desk, you can do it as follows:

  • Create a folder where you want to save the screenshots, name and location are optional. For example, I will use the folder name “Screenshots”.
  • Open Terminal – you can do it by choosing the keyboard shortcut Control + Space (you will open Spotlight this way), then enter “terminal” in the search bar and press Enter.
  • Copy the following command: defaults write location and paste into the terminal window. Make sure you have one space after the command.
  • Move the created “Screenshots” folder to the terminal window, as a result, the path to the “Screenshots” folder should appear after the command.
  • Press Enter.


How to enable cookies on Chrome

How to enable cookies on chrome

Cookies allow websites to remember settings and other information about the user. It is with their help that the next time you visit a website, relevant content will be displayed to you. Enabling cookies in your browser is required by a large number of popular web applications, e.g. search engines.

Cookie division

Cookies are divided into their own and external. First-party cookies are created by the domain of the website, which is listed in the address bar. On the other hand, external cookies come from other domains which have their elements placed on a given website, e.g. advertisements or other scripts.

Some browsers allow you to control which cookies are allowed to operate.

Cookies – how to set on your computer in the Chrome browser

  • Open Chrome on your computer.
  • In the upper right corner click More and then Settings.
  • At the bottom, click Advanced.
  • In the “Privacy and security” section, click Site settings.
  • Click Cookies. Here you can:
    Enable cookies: Click the switch next to “Blocked.”
    Disable cookies: click the Allow sites to write and read cookie data switch.
chrome cookies

Cookies on an Android device
Open the Chrome app on your Android phone or tablet.
In the upper right corner click More and then Settings.
Click Site settings and then Cookies.
Turn cookies on or off.

Cookies on the iPhone and iPad are automatically saved in Chrome.

Removing cookies for specific sites

Even if you allow cookies by default, you can block them for a particular site.

  1. On your computer, open Chrome.
  2. In the upper right corner click More and then Settings.
  3. At the bottom, click Advanced.
  4. In the “Privacy and security” section, click Website settings and then Cookies.
  5. Next to “Block” “Clear on closing” or “Allow” select Add.
  6. Enter a web address.
  7. To specify an exception for the entire domain, enter [*.] Before the domain name. For example, [*.] includes both and You can also enter an IP address or Internet address that does not start with http: //.
  8. Click Add.
  9. To remove an exception you no longer need, to the right of the website address, click More and then Delete.

How to block cookies?

In the browser settings, we can block the saving of cookies and delete those already saved. The first option will make it difficult to use websites, such as online stores – for example, we will lose the option of “putting away” products to the shopping cart.

Therefore, use this option with caution and only in special situations that require it. It is worth periodically cleaning the cookies – it can help us solve problems with the website malfunctioning – e.g. login problems.

Click the Chrome menu icon in the upper right corner of the screen.
Select the menu option “Tools” -> “Clear browsing data …”. In the window that appears, check the boxes next to the types of information you want to delete. In the upper part of the displayed window, enter the range of data to be deleted. To delete everything, select the option “from the very beginning”. Click “Clear browsing data” to perform the operation.

How to write an abstract


Abstract is a short report on the research results, described in detail in the scientific text. The full article is most often available in another publication, book, magazine, etc. How to write an abstract?

What is abstract

The abstract is a brief discussion of the scientific text, and thus an incentive to read it. It should interest the reader, and at the same time strictly apply to what is contained in the article. It is not the same as the abstract and should not be used to summarize the full text. It is worth avoiding phrases used in abstracts such as “described in the text”, “in this paper we will talk about” etc. Instead, it should be written: “has been analyzed”, “the study was attempted”, “the purpose of the study was”, etc.

An abstract usually has between 150 and 600 words. Is precise. It uses scientific language. Most often it is written impersonally, sometimes you can use the first person singular (e.g. in the abstract of the paper).

writing abstracts

Why write abstracts

The main purpose of the abstract is to summarize a longer text or statement. There is a reason why abstracts have a limited number of words or characters. It should be short and specific.

The recipient is to find what he is looking for in the abstract. And what do you usually look for? 

  • answers to the question, why this text was created – what was the purpose of the author
  • tips on whether the publication is a theoretical consideration or a summary of empirical research
  • information on what the study was about
  • information on the method used
  • test results
  • conclusions from the study
  • meaning / importance of this publication.

Abstract layout

  • Name of author of the scientific text;
  • Name of the research unit;
  • Title;
  • Presentation of the research problem and the purpose of the work;
  • Methodology;
  • Description of research;
  • The most important results;
  • Conclusions from the research.

Types of abstracts

Abstracts can be divided into two types:

  • Informative abstract, in which we briefly describe the content of our text. It may contain a brief summary of the research problem, methods used, main data and conclusions. Such abstracts are often posted at the beginning of the journal article as “heading”. Informative abstracts describe what will be presented in the article.
  • Indicative / descriptive abstract – used much less frequently. Abstracts of this kind are more elaborate and perform the function of “article description”. They are often posted after the article. The declarative abstracts describe what was done and described in the text.

Common errors found in abstracts

  • The abstract is too long – it is supposed to be informative and descriptive. This is a mistake!
  • The abstract is written so that the reader has the impression that he is describing not the article to which he refers. The abstract is to reflect the content of the article.
  • In the abstract we do not refer to bibliographic items – there is no place for this here.
  • We also do not refer to tables and charts, or our other texts.

What time does the stock market open


In almost every country with a functioning free market economy, stock exchanges operate on which shares, bonds, commodities, derivatives and other financial instruments are traded. Nearly 40 percent of global stock trading is concentrated in North America. 33 percent are Asian markets, 19.5 percent of the turnover is on stock exchanges in Europe. What time does the stock market open?

Asian session – Tokyo

What hours does the Asian session take place? It is assumed that it lasts between 23:00 (opening of the Sydney stock exchange) to close the trading session in Tokyo – 10:00 in the morning.

Japan is the key market for this session. The Tokyo Stock Exchange, founded in 1878, is the third largest stock exchange market capitalization – $ 6.2 trillion (as of April 30, 2018) – second only to the New York Stock Exchange (NYSE) with capitalization of 24.2 bn dollars, and the second US NASDAQ stock exchange (11.8 bn dollars).

Asia is not only Japan, but also two strong stock exchanges from China (Shanghai $ 5 trillion; Shenzhen $ 3.5 trillion capitalization), one of Hong Kong ($ 4.4 trillion) and closing ten of the largest stock exchanges in the world – Bombay Stock Exchange (2 , $ 29 trillion).

stock market

Despite having as many as 5 exchanges on the list of top 10 exchanges, the Asian session is not very popular among investors on the forex market. This is mainly due to low liquidity, which automatically translates into higher spread costs.

European session – London

The European session starts with the start of listing in London at 9:00 am Polish time and lasts until 5:00 pm CET. At the same time, quotations are starting in other European countries, volatility on the currency market is increasing. Particular volatility is observed on pairs related to the euro such as EUR / GBP, EUR / JPY, or EUR / USD. This is the effect of transferring funds from individual exchanges. During the European session, market liquidity is high and spreads are narrow. Over time, volatility gradually decreases. Investors expect stronger movements on currencies, which may be visible when the US session begins.

American session – New York

The American session starts at 8:00 local time (EDT) and 14:00 European time (CET). Ends at 22:00 CET.

They include in its composition, among others Chicago and Toronto stock exchanges. On the other hand, the most important exchanges for this session are the New York stock exchanges: NYSE and NASDAQ. The latter, despite its fairly short history – it began operating only in 1971, and in 2006 obtained the appropriate stock exchange licenses – it quickly became the second largest stock exchange in the world.

The opening of the American session is very similar to that of the Old Continent. The first 2-3 hours are filled with many transactions with huge volumes, rapid directional movements and volatility. This is not only due to the fact that these two sessions overlap, which affects a larger number of investors, but also due to the publication of macroeconomic data.


Brain aneurysm symptoms

Brain aneurysm symptoms

Brain aneurysm is a disease of the blood vessels that supply blood to the brain. As a result of the segmental weakening of one of the layers forming the artery wall, it becomes prominent and transforms over time into an intracranial, celebral aneurysm. What are brain aneurysm symptoms?

Brain aneurysm – general information

The causes of brain aneurysm include, first of all, congenital predisposition – genetically determining the quality and strength of the arterial wall and atherosclerosis, as well as hypertension.

Due to the structure and shape, we divide aneurysms into: baggy (representing 80 percent of all lesions) and much less frequently occurring – fusiform. Regardless of the type, the mechanism of aneurysm formation is similar – under the influence of blood pressure, they constantly increase until they eventually burst, leading to bleeding or subarachnoid hemorrhage. It is the extravasation of blood from a ruptured vessel (aneurysm) into the subarachnoid space of the brain or spinal cord. Untreated subarachnoid hemorrhages are the cause of high mortality, which is why it is so important from a clinical point of view to quickly make a diagnosis and implement appropriate treatment.

Brain aneurysm symptoms

Causes of brain aneurysm

One theory is that the cause of cerebral aneurysm is a congenital abnormality of cerebral arteries, in which there is less muscle and elastic fibers in the bifurcation of the artery. Such a place is weaker and undergoes gradual exposure under high blood pressure. Confirmation of this theory is the fact that in families where spinal hemorrhages previously occurred, brain aneurysms more often appear.

In addition to the deficit in the structure of the middle membrane and the elastic inner membrane of the vessel, other causes of aneurysms are also listed:

  • developmental abnormalities in the area of ​​the arterial circle of the brain,
  • hypertension,
  • inflammation in the walls of the vessels,
  • hereditary factors.

Aneurysms arise for a long time, hence they are most often detected in the fourth, fifth and sixth decades of life, and only sporadically occur in newborns.

Brain aneurysm rupture

The risk of a crack depends primarily on its properties and the patient. Women and the elderly are more at risk. Family predispositions also affect (relatives of people with subarachnoid bleeding are several times more likely to develop the disease). Factors that may predispose for cerebral aneurysm rupture include hypertension, and prognosis is exacerbated by smoking and alcohol abuse.

Cracks usually occur: during physical exertion, drinking coffee, blowing the nose, sexual intercourse or strong nervousness.


There are two methods of treating brain aneurysms: surgical placement of the aneurysm neck (surgical opening of the skull) and a neuroradiological procedure called embolization – a procedure that does not require opening the skull by filling the aneurysm with springs using a catheter inserted through the femoral artery.


Tips to Find the Perfect Remote Control

Tips to Find the Perfect Remote Contro

Regardless of whether you are new to radio controlled cars or if you have been enjoying them for quite some time, one of the decisions you must make is choosing the one that is best for you. More than likely, you have already watched some videos on YouTube or elsewhere, and they can whet your appetite to what is available. Sooner or later, however, you’re going to need to make the decision and put down the money to buy the car. How can you make that decision?

The following tips can help to guide you in making the right choice for the RC car that fits your needs. Regardless of whether it is a truck, car, buggy or anything else, choosing the right one will help you to enjoy the hobby to the full.

One of the most important things to consider is the type of fuel that is used for your best cars that are remote controlled. Some are powered by gas, but others have a mix of gas and oil. There are also RC cars that are using nitromethane, typically referred to as Nitro or glow fuel. This type of fuel can be found many RC stores or you can purchase it online, so either gas or Nitro would be just as convenient.

One of the reasons why you may want to choose gas over Nitro is because of the weight of a Nitro powered RC car. They tend to be heavier, so they are easier to break when you do happen to crash one. They also have more problems with spills and leaks, which is a consideration as well. That being said, Nitro powered cars tend to be more powerful, so it is a personal choice.

Another option is to choose an electric powered RC car. This is a good option if you are a beginner, but some of the higher-end models can do quite well. One of the benefits of using an electric powered RC car is the fact that it will work right out of the box after it is charged. They are also easier as far as maintenance is concerned and less expensive. You will have less power in most cases, however, and they don’t have that RC car noise that you will find in a gas or Nitro model.

You should also consider the size. RC cars come in various sizes that are typically rated as 1/16, 1/10, 1/8 or 1/5. 1/5 is the largest, but if you go with a smaller size, you may not be able to upgrade it as readily.

These tips can go a long way in helping you to determine which RC cars are going to be the best for you. When you keep everything in mind, the size, speed, and type of fuel, you will find that there are options out there available for the beginner to the advanced user. Choose the right car and enjoy what this hobby has to offer

Is Online Persona Important

Is Online Persona Important

A business invests in search engine optimization for various reasons such as to attract more traffic, brand visibility, and highly targeted leads. Even though all these reasons are important, the core reason a company invests in SEO is to create connections. In fact, search engine optimization gives them the opportunity to connect with their target audience. With the links, a business will not get traffic, leads or even brand visibility. The question is how can a business use search engine optimization to create these most important connections. That’s where an online persona comes in handy. This article provides information on why online persona is important for search engine optimization.

An online persona is a semi-fictional representation of your ideal customer. In other terms, it is the sketch of the person or persons who plan to target with your marketing efforts. Your product or service is not for everyone out there. There is a particular personality that is interested in buying your products or services. You need to find that personality before deciding to market your product or service. When a business understands who they are trying to reach, they can better strategize and execute their SEO work. That’s why it is important to find the online persona before you implement the search engine optimization strategy.

Persona research has come a long way over time. But there is still a long way to go. In fact, market investigations and data are important to identify your ideal persona. But they are not the most reliable information sources in this regard. You need to break down all aspects of the life of your customers and find common connections when deciding on your online persona. The demographic information you use in this regard should be up to date and accurate. Since things change fast, it would be a real pity to base your strategy on outdated information. Check the dates of the research before deciding to use that particular data. Read more than just one report. Finding the right persona can help make your site much more effective to your audience.

In fact, a site that is selling to stay at home moms should have a different approach from a site that is selling products or services to executives in the banking industry. A basic understanding of your audience is important when creating the right type of content, meta tags, title tags, and more. Humans are social creatures. There has been a massive expansion of social media in the past 5-6 years. In fact, the social dynamics is also important when devising the right search engine optimization plan for your business. Finding where your online persona hangs out is important to devise the right linking strategy for your business. When you have a good idea of how your online persona interacts with the outside world, you can create an effective messaging that resonate with them on a personal level.

Although the content is critical in search engine optimization, it is not just any content but the right content. You will truly connect with your audience when you provide them with the right content that speaks to them at a deeper level. This will help increase engagement, shares, likes, and more. These are paramount things to improve the brand awareness, leads, and highly targeted traffic to your business. That is why it is important that you start creating the right online persona to take your business to the next level without further delay. It will help in all of your search engine optimization efforts in the long run.

In conclusion, most businesses invest in search engine optimization for a variety of reasons such as improved brand visibility, highly targeted traffic, leads, etc. Although these reasons are important, the core idea is to create the right connections for your business. That’s where the right online persona comes in handy. You have to find the right online persona for your business before investing in an effective search engine optimization strategy for your business. The article above provides a comprehensive overview of why an online personal is important for your search engine optimization efforts in the long run.

Get The Most Value For Your Marketing Dollars With Social Media And SEO


Every business usually has a fixed budget for marketing, and they want to make the most of it. In today’s digital world, there are many different marketing channels available to businesses for getting leads and building their brand.

Two of the most important marketing channels when it comes to digital media include search engine optimization and social media marketing. Many businesses often want to know whether they should invest their marketing budget in social media or SEO to get the most value for their marketing dollars.

The article below will help you decide what is best for your business when it comes to digital marketing.

Benefits of Investing in SEO

Search engine optimization or SEO is the process of optimizing a website to get more targeted traffic from search engines by gaining high rankings for targeted keywords in the search engine result pages.

One of the biggest benefits of investing in SEO is that the search traffic is always increasing. Most people carry a smartphone these days, and they tend to find local businesses on their phone. Many research studies have shown that high search engine rankings also drive offline traffic to stores which mean even if a company does not sell a product or service online, they can still benefit by investing in search engine optimization.

Another big benefit of investing in SEO is that it is one of the most cost-effective ways to get highly targeted traffic to a website as compared to some of the other marketing channels. This is the reason that Google has become one of the most valuable companies in the world as almost everyone uses their search engine to find relevant products and services.

High rankings in search engines also help in increasing brand awareness as people trust the top search results. For instance, if you are a wedding photographer, and your website ranks high in the search engine result pages when someone searches for keywords related to wedding photography in your location, it creates a positive impression in the minds of the user even if they do not call you immediately.

In simple terms, high ranking websites are seen as more trustworthy by consumers.

Benefits of Investing in Social Media

The popularity of social media can be gauged from the fact that there are several social media platforms with hundreds of millions of users. In fact, the biggest social media platform, Facebook, has recently announced that they have over 2 billion members worldwide. In other words, you will be hard pressed to find someone who is not present on one or more social media platforms.

The biggest benefit of investing in social media is that potential consumers are already there, and you can take advantage of their presence by reaching them directly on various social media platforms.

Also, social media presence is ideal for building and enhancing your brand. Over the years, social media has also emerged as one of the best ways to bring high-quality traffic to your website.

Social Media and SEO Work Together

As far as choosing between social media and SEO is concerned, these two marketing channels complement each other. In fact, it won’t be wrong to say that SEO and social media drive each other. Therefore, it is important for businesses to invest in social media as well as SEO to reach the widest audience.

If your business maintains a presence on all the major social media platforms, it will become easier for your business to dominate the first page of search results for your brand. Major search engines such as Google as well as Bing index social media posts which mean if you include relevant phrases in the social posts, these may rank high in the search engine result pages and send more traffic to your business website.

Social media also helps with search engine optimization as informative posts on social media platforms tend to be shared by users which in turn drive high-quality links to your business website. Similarly, high ranking web pages on search engine result pages are shared by users on their social media profiles which drive more shares, and more traffic to your website.


Overall, your digital marketing strategy should be comprehensive and should include social media as well as SEO. Creative and well-crafted content will not enhance your social media presence by increasing shares but will also help your SEO efforts by getting more links from other authority domains.

Can a Mattress Help Your Back Pain

Can a Mattress Help Your Back Pain

Believe it or not, but sleeping on the wrong mattress is something that can worsen back pain. However, sleeping on the right mattress can help alleviate a lot of back pain problems you might be experiencing. Thus, it would be wise to spend a good amount of time and attention when picking and choosing your next mattress. Below, we will talk about some of the different ways that a bed can help with back problems.

How a Mattress Can Help

  1. Preference.

Whenever you are looking to buy a new mattress, the main thing that you should be considering is personal preference. There is no single mattress that is best suited for everyone. This is especially if you are someone that experiences any kind of back or neck pain at all. A bed that helps one deal with back or neck pain can cause another people to worsen. Therefore, this is largely going to depend on your preference.

  1. Back Support.

If you are going to be looking to purchase a mattress that is going to give you the best chance to alleviate or minimize back pain, the main thing that you should be looking for in a brand new mattress is likely to support. You want to find a mattress that is capable of providing sufficient support for your back and/or neck. That way, your back will be able to be properly positioned as you sleep. Having your back achieve optimal positioning as you sleep is one of the best ways to keep your back from becoming a problem.

  1. Take Off Pressure.

Another way that a mattress can help minimize back or neck pain is by helping to take off pressure from your pressure points, spine, and joints. Because there are different kinds of mattresses on the market that will allow you to achieve this, you should be able to find something that works for you. Being able to take off pressure from your pressure points, spine, and joints will allow you to really be able to minimize the trouble that you have with back pain. A lot of people’s pain arises simply because there is too much pressure being placed on either their spine or their joints.

Overall, there are plenty of different things that a new mattress can do for your back or neck pain. By investing in the right bed, you should be able to minimize the amount of pain that you suffer from that is directly caused by sleeping incorrectly. A lot of lower back pain and joint pain comes from improper sleeping.

Therefore, by investing in the proper mattress, you should be able to minimize the amount of back and/or neck pain that you experience which is going to help. The mattress that you choose should not only be comfortable to you subjectively, but you want to be sure that it is a highly rated mattress on the market as well. That way, you know you are making a well-informed buying decision.

How to build a deck


The wooden terrace is a real decoration of every home. It is timeless, well suited to all home arrangements, and its construction can be an interesting challenge for you. How to make a deck and what should you remember about? 

How to build a deck?

Wooden terraces are eagerly built, because their implementation is not too laborious. However, it requires the selection of a suitable wood species and careful assembly. For this we get a durable, effective terrace and one that you can walk barefoot on even colder days.

Bangkirai, cumaru, badi, ipe, Karelian pine, Siberian larch, spruce, oak – these are just some species of wood that tolerate harsh conditions on the terrace well, without the need for prior and serious protective measures. However, because they will be outside and will be exposed to sunlight, moisture, snow, variable temperatures – it is worth protecting them, for example, cover them with oil (without this treatment they will gray out over time).

building deck

Deck – preparation

The wooden terrace can be built on a hardened earth structure, or placed on concrete posts and joists, to which boards or panels are attached. To make a hardened ground terrace with a wooden surface, start by making the right foundation, which also has a drainage function.

Construction should begin with the excavation of a predetermined shape (increasingly moving away from symmetrical terraces, putting on irregular forms that blur the boundaries between the house and the garden) and a depth of about 40 cm, in which first you need to lay a 15-cm layer of gravel, and then a 10 cm layer of sand.

How to lay terrace boards

When you analyze the construction of the terrace step by step, you need to devote the most attention to the arrangement of the boards. The final effect, durability and efficiency of your work depends on it. You can buy ready, properly cut boards and balustrade elements. If you want to do everything yourself, use a saw to cut successive elements and arrange, starting from home, going to the opposite side.

Fasten each board with screws or nails. Pay attention to the optical effect you want to get. If the terrace is to look long, arrange the boards perpendicular to the house. Do not forget about expansion joints, which allow the wood to work and avoid problems with further operation. 

After installing the wooden terrace

The terrace boards must be thoroughly washed with a mild leaching agent and rinsed with a pressure washer. If we want to protect them against patination, after drying, apply the appropriate impregnate, and then oil. You can opt for an oil preparation containing coloring additives and thus unify the color of the wood. Regular care treatments determine whether the terrace will be beautiful after a few years. The simplest and most important of them – sprinkling boards with water – must be carried out on warm, sunny days. Twice a year, thorough care is needed. The terrace should be washed with a pressure washer, and then apply oil.