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In computer programming, bounds checking is any method of detecting whether a variable is within some bounds before it is used. It is usually used to ensure that a number fits into a given type (range checking), or that a variable being used as an array index is within the bounds of the array (index checking).
The USPS distinguishes a Nixie from other address errors in that the mail piece is always returned to the sender, whereas a change of address could either be forwarded or returned to the sender with a correction or notification. In the early 21st century the word began to be printed in the upper left corner of yellow labels generated by the ...
ANSI Z535.4 American National Standard for Product Safety Signs and Labels ANSI Z535.5 American National Standard for Safety Tags and Barricade Tapes (for Temporary Hazards) ANSI Z535.6 American National Standard for Product Safety Information in Product Manuals, Instructions ( technical writing ), and Other Collateral Materials
Low-density parity-check (LDPC) codes are a class of highly efficient linear block codes made from many single parity check (SPC) codes. They can provide performance very close to the channel capacity (the theoretical maximum) using an iterated soft-decision decoding approach, at linear time complexity in terms of their block length.
A 6 digit (plus check digit) barcode, containing the last 2 digits of the ZIP Code and the 4 digits of the ZIP+4 Code, referred to as a "B" code. 37 bars total. In the early stages of Postal automated mail processing the B code was used to "upgrade" mail that had been coded only with a 5-digit "A" code.
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