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The images at right show how the laser of barcode readers "see" the images behind a red filter. The earliest, and still [when?] the cheapest, barcode scanners are built from a fixed light and a single photosensor that is manually moved across the barcode. Barcode scanners can be classified into three categories based on their connection to the ...
Start downloading a Wikipedia database dump file such as an English Wikipedia dump. It is best to use a download manager such as GetRight so you can resume downloading the file even if your computer crashes or is shut down during the download. Download XAMPPLITE from (you must get the 1.5.0 version for it to work). Make sure to pick the file ...
Timeline of free and open-source software (1976–present) Timeline of hypertext technology (1945–2001) Timeline of computer viruses and worms (1966–present) Timeline of social media (1979/1980–present) Timeline of Linux kernel development (1991–present) Timeline of computing; Microprocessor chronology; Timeline of programming languages
The Barcode Scanner can automatically search the Web to identify a product with a barcode and use, for example, price-comparison information between vendors. The application can decode several 2D barcodes including the widely used QR Code and Data Matrix. QR codes are often embedded in websites; Barcode Scanner can open a browser at the encoded ...
Barcode library or Barcode SDK is a software library that can be used to add barcode features to desktop, web, mobile or embedded applications. Barcode library presents sets of subroutines or objects which allow to create barcode images and put them on surfaces or recognize machine-encoded text / data from scanned or captured by camera images with embedded barcodes.
For Priestley, its main use was a "mechanical help to the knowledge of history", not as an image of history. Regardless, the timeline had become very popular during the 18th and 19th centuries. Positivism emerged in the 19th century and the development of chronophotography and tree ring analysis made visible time taking place at various speeds.
Timeline of the 2001 insurgency in Macedonia; Timeline of the 2005–2006 Fijian political crisis; Timeline of the Barack Obama presidency (2009) Timeline of the George W. Bush presidency (2001) Timeline of the George W. Bush presidency (2002) Timeline of the George W. Bush presidency (2003) Timeline of the George W. Bush presidency (2004)
Wikipedia:Picture of the day is an image which is automatically updated each day with an image from the list of featured pictures. The {{ POTD }} template produces the image shown above. Category:Wikipedia Picture of the day lists the different templates that can be used.