Anna Ball

How can I use the SIGMA function in Microsoft Excel?

In the context of a database, You can use the Sigma function in Excel to get your provided Objective. Here are the steps given for how you can achieve it:- Select data range Firstly, try to select the data range which you want to calculate further. Use STDEV.P or STDEV.S You can use either STDEV.P or STDEV.S for a…

Data Science

Answered Jan 15, 2024 · 974 Views Read answer →

Which operator performs pattern matching in SQL?

In the context of SQL the answer to your question about which operator performs pattern matching is the “Like” operator is used in pattern matching. It allows you to comparison of the value of a specific pattern. For it, this feature generally uses wildcard characters such as % ( matches any sequence of characters)…

SQL Server

Answered Dec 26, 2023 · 1.1K Views Read answer →

Someone is sending texts from my phone number, how?

The answer to - someone is sending texts from my phone number is that There are web-based services out there that allow someone to spoof the origin of SMS. Most of the time, they're used by legitimate businesses (e.g., a store) and they're faking the origin for a legitimate purpose. For example, you could get a text…

Cyber Security

Answered Mar 11, 2022 · 1.4K Views Read answer →

I need to test a PHP Code. Is XAMPP safe for me to install on my home computer for the same?

You asked - Is XAMPP safe, I suggest that there is a safer way to test your code. You can - and arguably ought to - install your server software, whatever that might be (from XAMPP / WAMP in Windows to Ubuntu Server), in a virtual machine. It's not as daunting as it might sound at first, though it may be overkill if…

SQL Server

Answered Jan 11, 2022 · 1.8K Views Read answer →

If I have already created an encrypted container, will it be possible for me to use the veraCrypt change password option after it?

You don't need to change the random key with which everything is encrypted but just the encryption of this key to use the veraCrypt change password option. So yes, it is perfectly possible and therefore you have a menu entry under "System" for doing exactly this. How this works in detail is basically answered here.…

SQL Server

Answered Dec 23, 2021 · 1.5K Views Read answer →

Can you suggest ways to choose a localhost port on which I will be able to run my application?

To choose a localhost port, if your server binds to localhost (that's 127.0.0.1 for IPV4, and/or ::1 for IPV6) then only clients running on localhost should be able to access it. If you want to restrict connections to local programs, make sure your server binds to one of those loopback addresses, and definitely not…

SQL Server

Answered Dec 23, 2021 · 1.6K Views Read answer →

Can I use zip2john to break a password protected zip file?

The zip2john command already tells you the output format in PKZIP, so you should use that format if you decide to explicitly specify it in your john command using the --format switch. If you omit the --format specifier, john obviously recognizes the format of the hash file correctly. When you read the output of your…

SQL Server

Answered Dec 21, 2021 · 2.5K Views Read answer →

What should I do if there are vnc too many security failures in the connection?

The information at this link for vnc too many security failure - https://help.realvnc.com/hc/en-us suggests to me that it was an attempt at intrusion. To succeed in establishing a VNC session a legitimate user must wait. In practice waiting a few minutes is necessary before a successful VNC session is allowed once…

SQL Server

Answered Dec 21, 2021 · 3.9K Views Read answer →

Can you simplify what a hash collision attack is?

Hash collision attacks aren't an issue when dealing with password hashes. The issue with both SHA256 and MD5, from a password hashing perspective is that they're both much too fast. MD5 is quite a bit faster than SHA256, in fact. To clarify what a collision attack is, and why it doesn't matter when dealing with…

SQL Server

Answered Dec 17, 2021 · 1.3K Views Read answer →

If I use Tor torrenting i.e use tor for downloading torrents, will it guarantee me anonymity?

Tor torrenting is the common way through which many people get caught. So what's the fix? There are two answers here. The first answer is "don't run Bittorrent over Tor". We've been saying for years not to run Bittorrent over Tor, because the Tor network can't handle the loadThe second answer is that if you want your…

SQL Server

Answered Dec 14, 2021 · 2.1K Views Read answer →

Is the link below from fbsbx. com known as a phishing link?

There are several techniques to check whether the domain lookaside fbsbx.com is owned by Facebook. WHOIS record Let's check the WHOIS record for fbsbx.com: Registry Registrant ID: Registrant Name Domain Administrator Registrant Organization Facebook, Inc. Registrant Street 1601 Willow Road, Registrant City Menlo Park…

SQL Server

Answered Dec 14, 2021 · 1.8K Views Read answer →

In nmap, what does the nmap pn option signify?

To understand what the nmap pn option does, you must know that some hosts respond to pings if they are online (I.e. ping www.google.com and you get a reply.) Nmap tries pinging them, if they respond nmap continues scanning and you get your result. If it gets no response it says 'hmm they must be down, well no point…

SQL Server

Answered Dec 14, 2021 · 1.8K Views Read answer →