QRCoder is an open source implementation of standards specification ISO/IEC 18004, which defines the requirements for two-dimensional QR Code symbols. It is a more complete implementation of the standard than the open source QRCode4CS library that was used in a previous article.
2018-10-22
25,656 reads
QR (Quick Response) Code® is the Denso Wave, Inc. trademark for a type of two-dimensional bar code designed for the automotive industry in Japan. The QR Code system has become popular outside the automotive industry due to its speed and greater storage capacity compared to standard UPC bar codes.
2018-10-22 (first published: 2014-01-14)
13,658 reads
Be wary of column level encryption. It sounds like a great idea but is miserable on performance. I also know that it is very difficult and potentially impossible to create an index on an encrypted column.
2005-05-03
I agree - I have a hard time imagining that 15 minute backups of a tlog are unusual. However there does seem to be a direct correlation between the increase in frequency and the increase in application 'hangs'. Even more to the point, the times of the application hangs often correspond with the kickoff of […]
2005-04-29
2005-04-28
Colin is attempting to provide help. Questions are not always clear as to their intent, giving more information rather than less helps other to help you. Colin is just trying to get that information to be of greater assistance. Berating him for that is pointless and ridiculous.
2005-04-28
There is no performance difference HOWEVER, there are differences for how many concurrent connections there are. PER SEAT = n Connections (basically HIGH LEVEL concept), PER PROCESSOR = n CPUs and INFINITE connections (Again HIGH LEVEL concept). The amount of connections is firmly dependent on system resources (but that is for a different topic).....The internal […]
2005-04-27
Good idea, but it should be cost effective. Micro$oft licenses is expensive, and since the DB doesn't really demand lots of processors it's no problem running 50+ databases on a dual Xeon CPU/4GB RAM. Most of if is stored procedures - so MSSQL is a must.Anybody with experience in SQL Relay?
2004-11-08
2004-11-08
8 reads
This is another way to do it assuming you have a table of ranges and descriptions of ranges.First example displays the ranges. Second example displays range names.SELECT dbo.MyRanges.LowValue, dbo.MyRanges.HighValue, COUNT(*) AS Expr1 FROM dbo.MyRanges CROSS JOIN dbo.MyData WHERE (dbo.myData.Valuefield BETWEEN dbo.MyRanges.LowValue AND dbo.MyRanges.HighValue) GROUP BY dbo.MyRanges.LowValue, dbo.MyRanges.HighValue SELECT COUNT(*) AS Expr1, dbo.MyRanges.RangeName FROM […]
2004-03-10
By Steve Jones
Note: I DO NOT recommend this. Any changes to a pipeline should be in...
By Steve Jones
symptomania – n. the fantasy that there’s some elaborate diagnosis out there that neatly...
I recently received a complaint that Query Store for a particular database was turned...
Comments posted to this topic are about the item 7 sept, scheduled book
Comments posted to this topic are about the item 7 sept, schedlued article
Comments posted to this topic are about the item 6 sept, published book
Azure Data Lake Storage Gen 2 is built on ...?
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