Those who want to access computer systems and applications in networks need host (or rather, domain) names. As long as the Domain Name System, which is responsible for the name conversions, is functioning normally, users remain unaware that machine-readable IP addresses are hidden behind these names. However, if complications with the DNS and the involved name servers arise, they can be quickly...nslookup: Here’s how the useful DNS check works
With HTML5, uploading video content onto your website is easier than ever. The most recent version of this popular markup language defines a new native element, video, and the associated programming interface. Website operators can also embed audio-visual content onto their online presences using video platforms such as YouTube or Vimeo.Embedding videos on your page
52- HTTP error messages indicate a problem between the web server that is running a website and the Cloudflare CDN service. The 522 error is very common and is also known as the 'Cloudflare error'. It is displayed in the visitor’s browser whenever the mandatory TCP handshake fails. This guide explains the reason for this error message and what solutions there are for site operators and visitors....Error 522 – 'Connection timed out': How to fix the error
Excel’s if-then statement is one of its most helpful formulas. In many situations, you can create a logical comparison: if A is true, then B, otherwise C. To use this useful if-then formula in Excel, you first need to understand how it works and precisely how to use it. For example, which syntax rules does the IF function follow, and how can you extend the formula?Excel if-then: how the IF function works
Once you have finished the development and test phases of your native mobile app, you can finally publish it in the App Store. If you want to submit and distribute an iOS app in the App Store, first you’ll have to register with the Apple Developer platform and provide various details and settings. So how exactly does one publish an app in Apple’s store?Create your own app – Part 5.2: Upload an iOS app to the App Store
Holidays, illness, or business trips – there are many reasons for absence from work. Checking your e-mail may not be possible in these cases. E-mails are usually still received and should not remain unanswered – forwarding your e-mail with outlook is a great solution. You can set automatic e-mail forwarding in outlook, so a colleague receives all your emails. How to forward e-mails in outlook?...Outlook: forward e-mails automatically
Sending an e-mail is child’s play. As soon as the text has been written and the subject and destination address have been entered, just click on “send” and the electronic message is on its way. However, if the answer is delayed, doubts quickly arise as to whether the mail has arrived and been read. A remedy is to request a read receipt, which you can set up in Outlook in just a few steps.Outlook read receipts: How do you set one up?
The INNER JOIN is the most important JOIN type in the relational database model. If you want to query database tables in a group, you would usually use INNER JOINs based on equality relationships between primary and foreign keys. We will show you how to use INNER JOINs in practice, delineate the JOIN type from OUTER JOINs, and also deal with the different subtypes of INNER JOINs.INNER JOIN: definition and application
Remote desktop connections are indispensable for day-to-day business. More than anything, allowing remote control access from another computer saves time: Whether for support, online conferences, or home office — with remote desktop, you can easily and conveniently connect your computer to distant devices. Private users also benefit from remote use: By connecting with different operating systems,...Remote desktop: Application, troubleshooting, and alternatives
Microsoft Outlook is one of the most frequently used e-mail programs worldwide. It’s unsurprising then that there are a multitude of approaches to solving its everyday problems. Especially when it comes to e-mail traffic, it can be annoying when Outlook search suddenly stops working. Restarting the program or PC is often enough to solve problems with the Outlook search function. But what should...What do you do when your Outlook search function is not working?