main line

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main line

1. Railways
a. the trunk route between two points, usually fed by branch lines
b. (as modifier): a main-line station
2. US a main road
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Main Line


(Russian, magistral’; from Latin magistralis, “leading”).

(1) The main route, the primary line in communications (railroad main line, waterway main line).

(2) A wide and heavily traveled street in a large city.

(3) The main cable or wire in an electrical circuit or in tele-graph and telephone communications.

(4) The main pipe in a sewerage line or water system.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

main loop

The primary logic in a program, which is input-process-output. In an online, interactive program, everything happens when an input occurs, such as a mouse click, mouse movement, keyboard depression or arriving network packet. The main loop takes care of this by continually testing for these inputs and calling the appropriate routines to process them. Outputs are the data on screen and updated files.

In a batch processing program where data are processed without human interaction, the main loop reads the next record and processes it. Output is often continuously updated files with summaries displayed at the end. See loop and event loop.

A Batch Processing Print Job
This example reads order records and prints invoices. After printing date and bill-to/ship-to data, the program prints a variable number of line items. The line item routine is a subloop within the main loop.
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References in periodicals archive ?
And while past research has suggested it would not be unlikely to find moderate levels of interdenominational switching among Mainliners as "people who are United, Anglican, Lutheran, and Presbyterian appear to have something of a free trade agreement" (Bibby 2004: 75), it has been uncompromisingly argued that switching out of one's broader religious family, "at least in percentage terms ...
Here we have the archetypal mainliner, doped up with hard, unrefined, unadulterated, high-octane Gerin Oil.
Thus, evangelicals vote differently than mainliners for the same reason that black evangelicals vote differently than white evangelicals: due to different values (II, 89-95, 98).
"I also believe that we will always need a couple of mainliners for the long hauls from Bellingham to Juneau, and from Juneau to Port Simpson in Canada.
The focus during Advent, Christmas and Epiphany, at least for us Protestant mainliners, seems to be on God the Father and God the Son.
I am outraged by the 'righteousness' of the Christian Right." Another pastor identified her own "evangelical leanings" but noted her "marked distaste for the politics of exclusivity that often gets thrown in with that theology." These mainliners saw themselves as more faithful to the gospel--and therefore more at odds with the dominant culture--than the conservative church, which many of them believe has been co-opted by worldly values of success, consumption, and power.
Not only have the anti-Catholic stereotypes that I earlier described disappeared or greatly weakened in most of Protestantism but also evangelicals and the conservative mainliners who once hated the papists, as they called them, now often find themselves allies with popes on issues that are for them of central Christian importance.
Bibby calls the mainliners -- the Uniteds, Anglicans, Presbyterians and Lutherans.
But mainliners generally follow the historic Presbyterian dictum of doing everything "decently and in order."
What the future will bring for moderates and mainliners is problematic.
Tom's old band The Mainliners also made an appearance to perform Gentle Mother - the number that set them on the road to stardom.
Graham exhibited the same openness toward over-scrubbed mainliners on his theological left, under-scrubbed pentecostals on his theological right, and many folk who did not fit on any conventional theological map, including the Orthodox.