The Black Codes imposed by Southern states after they lost the Civil War were unconstitutional and intended to control the movements and behaviors of former slaves. Discover how the Black Codes limited the freedoms of African-Americans, what the codes prohibited specifically, and how the Southerner...
a series of laws enacted by southern states to restrict freed blacks’ activity
2D codes have a very large amount of data, so readable characters are not added. When the 2D code is too damaged for scanning, there is no means to read the data and that interferes with operations. (It is possible to add readable characters to 2D codes, but it is not realistic to ...
Hospital codes like code black, code blue, code red, are used in some hospitals to manage and inform staff of potential emergencies.
The position detection patterns are arranged at three corners of the QR codes. (Micro QR has one.) The position of QR code is detected with the position detection patterns that allow high-speed reading. From any position of A, B and C, the rate of black and white modules is 1:1:3:...
Since they are simple to use and easily accessible, they can attract many scams and trap unassuming people. Some of the common QR Code scams include: Phishing attacks: Emails or messages containing malicious QR Codes that, once scanned, send you to malicious websites. This is also known as ...
Who are the targets of phishing? Anyone. Most phishing attacks target numerous email addresses with the hope that some percentage of users will be tricked. Security-awarenesstrainingis helpful in educating users on the dangers of phishing attacks and teaches strategies to identify phishing communication...
You’ll likely add new product lines or variantsas your business grows. So, you need to make sure your SKU formula is flexible enough to accommodate them. There are many ways to do this, some of which we’ve already discussed here. ...
Remember that this QR coupon Code can store a lot of text information, but there are some weakness in it. One of that is, Some mobile phone without a good and clear camera sometimes feel the hard time to scan and read this QR Code, so at the time you would require powerful reader on...
Criticism of Black Money In addition to some of the clearly immoral activities, such as human trafficking, that are pursued to obtain black money, black money itself creates issues. Most notably, higher amounts of black money in the economy often lead to increased corruption. Businesses thatmake...