On the Data protection day, we decided to prepare an article about the PDF documents protection. PDF has become one of the world standards today; it’s a good idea to understand how to protect it. From what do you need to protect a PDF document? From unauthorized editing. From unauthoriz...
A bit of theory about barcodes It is difficult to imagine our life without barcodes, especially now that we meet them at every step. We go to the cinema and our tickets contain this “black and white drawing of bars”, we go to the supermarket and each product has information about it in ...
CODE 39 is the barcode developed by Intermec Corporation in 1975. Up to 43 characters including numbers, letters and some symbols can be included in the barcode: 0123456789 ABCDEFG HIJKLMNOP QRSTUVWXYZ-.$/+%. Since letters can be handled, CODE 39 is indispensable in the industrial fields and used in...
Do you store COVID-19 data in Excel? Can the report show not all data? Here - https://uk.news.yahoo.com/missing-coronavirus-tests-glitch-large-excel-spreadsheet-file-095054235.html - you can read a wonderful story about how almost 16,000 cases of Covid-19 infection were left out in the UK becaus...
ShapeFile, also known as Shape is a figure or a set of complex shape figures (probably, unrelated). A Shape field can be one of the following types of geometry: point, polyline or polygon. It is also notable that together with a *.shp file, *.dbf file is formed and it contains the header informatio...
For decades, the FastReport and FastCube libraries have been helping to organize fast reporting and powerful multidimensional analytics in various applications and industries. Particularly in Medicine. Dozens of development companies from all over the world (China, Africa, USA, Europe) responded to...
It is often necessary to combine several documents into one (for example, PDF). It could be several chapters of documentation, catalog directories etc. Strictly speaking, this sometimes needs to be done not only for PDF, it’s just that this file format itself does not imply editing and “...
“How to save in the HTML file format from Delphi?”, “how to create an HTML 5 file from Delphi?”, “how to create the HTML 5 file from Lazarus?” – these questions often arise among the developers. The HTML document is written in Hypertext Markup Language (HTM...
The SVG file is a two-dimensional vector image based on documents in XML format. The SVG format is used not only for the description of two-dimensional vector graphics, but also for mixed vector-raster images. Let's list the main advantages of SVG format: First of all, as previously mentioned ...
BMP, JPEG, TIFF, GIF – there is a variety of raster image formats. 1. BMP First of all, you should know that since BMP is an old image format it is not so popular among Internet users, only the bitmap images are saved in this format which doesn’t support the vector ones. The size of ....