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Building a Generic Date-Time Framework - an Experience Report Using C++ Templates
Building a Generic Date-Time Framework - An Experience Report using C++ Templates Jeff Garland President & CTO CrystalClear Software, Inc [email protected] Copyright © CrystalClear Software, Inc 2001 Revised September 7, 2001 Abstract This paper describes the experiences of the author using C++ templates to build the Generic Date Time Library (GDTL). While there are many date-time representations available for C++, the libraries are often unsuitable for domains that need high precision, long epochs, infinity, specialized calendars, or custom clock sources. The GDTL is an attempt to use generic and template programming techniques to provide a single library that meets all these demands, as well as more typical date-time programming. To build a single library, templates are used in several roles: allow user replacement of underlying date and time representations, to factor out calendar interfaces, building range and composite types, and providing interface constraint enforcement. GDTL Background I became interested in this several years ago while helping to implement date-time classes to support a satellite control system. The software performed extensive time calculations and had to manage details such as leap second tables. Some calculations, needed precision down to microseconds. Other parts of the system needed to store millions of date-times in a database (each day) with only second-level precision. So forcing microsecond resolution for all times unnecessarily bloated the size of the database. In the end, the project had more than one time library. Some good components, but a host of project realities kept us from getting everything into a single library. In addition, traditional object-oriented design techniques did not directly support the required variations. -
East and Central Farming and Forest Region and Atlantic Basin Diversified Farming Region: 12 Lrrs N and S
East and Central Farming and Forest Region and Atlantic Basin Diversified Farming Region: 12 LRRs N and S Brad D. Lee and John M. Kabrick 12.1 Introduction snowfall occurs annually in the Ozark Highlands, the Springfield Plateau, and the St. Francois Knobs and Basins The central, unglaciated US east of the Great Plains to the MLRAs. In the southern half of the region, snowfall is Atlantic coast corresponds to the area covered by LRR N uncommon. (East and Central Farming and Forest Region) and S (Atlantic Basin Diversified Farming Region). These regions roughly correspond to the Interior Highlands, Interior Plains, 12.2.2 Physiography Appalachian Highlands, and the Northern Coastal Plains. The topography of this region ranges from broad, gently rolling plains to steep mountains. In the northern portion of 12.2 The Interior Highlands this region, much of the Springfield Plateau and the Ozark Highlands is a dissected plateau that includes gently rolling The Interior Highlands occur within the western portion of plains to steeply sloping hills with narrow valleys. Karst LRR N and includes seven MLRAs including the Ozark topography is common and the region has numerous sink- Highlands (116A), the Springfield Plateau (116B), the St. holes, caves, dry stream valleys, and springs. The region also Francois Knobs and Basins (116C), the Boston Mountains includes many scenic spring-fed rivers and streams con- (117), Arkansas Valley and Ridges (118A and 118B), and taining clear, cold water (Fig. 12.2). The elevation ranges the Ouachita Mountains (119). This region comprises from 90 m in the southeastern side of the region and rises to 176,000 km2 in southern Missouri, northern and western over 520 m on the Springfield Plateau in the western portion Arkansas, and eastern Oklahoma (Fig. -
CONTROLS on DOLOMITIZATION of the UPPER ORDOVICIAN TRENTON LIMESTONE in SOUTH-CENTRAL KENTUCKY COLLIN JAMES GRAY Department Of
CONTROLS ON DOLOMITIZATION OF THE UPPER ORDOVICIAN TRENTON LIMESTONE IN SOUTH-CENTRAL KENTUCKY COLLIN JAMES GRAY Department of Geological Sciences APPROVED: Dr. Katherine Giles, Ph.D., Chair Dr. Richard Langford, Ph.D. Dr. Matthew Johnston, Ph.D. Charles Ambler, Ph.D. Dean of the Graduate School Copyright © by Collin James Gray 2015 Dedication I dedicate my thesis work to my family. My dedicated and loving parents, Michael and Deborah Gray have always supported me and provided words of encouragement during the struggles of my research. The support provided was second to none and I could not imagine reaching this point in my education without them. I also dedicate this thesis to my two brothers, Michael and Nathan Gray and my sister Nicole Gray. Without these role models I cannot imagine where my education would have ended. I will always appreciate the support provided by all three of you and consider you to be role models that I can always look up to. CONTROLS ON DOLOMITIZATION OF THE UPPER ORDOVICIAN TRENTON LIMESTONE IN SOUTH-CENTRAL KENTUCKY by COLLIN JAMES GRAY, B.S. GEOLOGY THESIS Presented to the Faculty of the Graduate School of The University of Texas at El Paso in Partial Fulfillment of the Requirements for the Degree of MASTER OF SCIENCE Department of Geological Sciences THE UNIVERSITY OF TEXAS AT EL PASO December 2015 Acknowledgements I wish to thank my committee whose time and expertise provided excellent input into my research. Dr. Katherine Giles, my M.S. supervisor provided guidance and provided endless suggestions and recommendations throughout my research while continuously motivating me to continue my education. -
Geology and Ground- Water Resources of the Paducah Area Kentucky
Geology and Ground- Water Resources of the Paducah Area Kentucky By H. L. FREE, JR., W. H. WALKER, and L. M. MAcCARY GEOLOGICAL SURVEY WATER-SUPPLY PAPER 1417 Prepared in cooperation with the Agricultural and Industrial Development Board, Commonwealth of Kentucky UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON i 1957 UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. SEATON, Secretary GEOLOGICAL SURVEY Thomas B. Nolan, Director For sale by the Superintendent of Documents, U. S. Government Printing Office Washington 25, D. C. CONTENTS Page Abstract _____---._--__ _--___--_---___ __ 1 Introduction. _______ __________________-_--_------_-----__-_ 2- Purpose and'scope of investigation.- _____-_____-------------_--_ 2 Location and extent of area__________ ____-_---_ -_-_----_-_ 4 Previous investigations-.________________-____-_--_---_-------_- 4 Methods of investigation and presentation of data. ________ 5 Well-numbering system _______________________-_-__-__--_--_ 5 Acknowledgments_ _______-______-__--_---_------------_------ 7 Geography ___________ _____________________________________ 7 Natural features of the region __________--_---_------_--_-- -- 7 Topography and drainage____________________---_-_ - -_ 7 Climate __________-______>.____ ___________________ 8 Vegetation.____ _-______-__--_-__------_------_--__-__----- 11 Natural resources...-._______-_______-__-__-_----_------- __ 11 Development. __ __________________________-______-__-__--_-.-_ 11 Population______________________________________________ 11 Industries_____________________-___-____--_-______---_-_ -
SP 007 347 TITLE Elementary Science Curriculum and Resource Guide 1969
DOCUMENT RESUME ED 068 465 SP 007 347 TITLE Elementary Science Curriculum and Resource Guide 1969. INSTITUTION Mounds View Public Schools, St. Paul. Minn. PUB DATE 69 NOTE 389p. EDRS PRICE MF-$0.65 HC-$13.16 DESCRIPTORS *Curriculum Guides;*Elementary School Curriculum; *Elementary SchoolScience; *Science Curriculum; *Science Education IDENTIFIERS Elementary ScienceStudy; E.S.S. ABSTRACT GRADES OR AGES: Grades K-6. SUBJECT MATTER: Science. ORGANIZATION AND PHYSICAL APPEARANCE: This guide has been organized according to grade level. Introductory materials indicate the basic approach and the major objectives for science education. Each unit is divided into two columns: skills and concepts and activities and resources. Materials for each grade are organized under three broad topics: universe and earth, living things, and matter andenergy. Elementary Science Study (E.S.S.) units have been incorporated into this guide at appropriate grade levels. The guide is lithographed and spiral-bound with a hard cover. OBJECTIVES AND ACTIVITIES: The objectives for each unit are listed under skills and concepts. Detailed activities are suggested. INSTRUCTIONAL MATERIALS: Filmsand books are: listed under activities and resources. STUDENT ASSESSMENT: No provisions are made for evaluation. (MJM) U.S. DEPARTMENT OF HEALTH. EDUCATION & WELFARE OFFICE OF EDUCATION THIS DOCUMENT HAS BEEHREPRO. OUCEO EXACTLY AS RECEIVEO FROM THE PERSON OR ORGANIZATION ORIG INATING IT POINTS OF VIEW OROPIN IONS STATEO 00 NOT NECESSARILY REPRESENT OFFICIAL OFFICE OFEOU CMTION POSITION OR POLICY. 1- ELEMENTARY Sc I ENCE CURRICULUMANDRESOURCEGUIDE 1969 INDEPENDENT SCHOOLDISTRICT 62i Mounds View Public Schools District Service Center 2959 North Hemline Avenue St. Paul, Minnesota55113 FILMED FROM BEST AVAILABLECOPY Superintendent Sanford C. -
General Geological Information for the Tri-States of Kentucky, Virginia and Tennessee
General Geological Information for the Tri-States Of Kentucky, Virginia and Tennessee Southeastern Geological Society (SEGS) Field Trip to Pound Gap Road Cut U.S. Highway 23 Letcher County, Kentucky September 28 and 29, 2001 Guidebook Number 41 Summaries Prepared by: Bruce A. Rodgers, PG. SEGS Vice President 2001 Southeastern Geological Society (SEGS) Guidebook Number 41 September 2001 Page 1 Table of Contents Section 1 P HYSIOGRAPHIC P ROVINCES OF THE R EGION Appalachian Plateau Province Ridge and Valley Province Blue Ridge Province Other Provinces of Kentucky Other Provinces of Virginia Section 2 R EGIONAL G EOLOGIC S TRUCTURE Kentucky’s Structural Setting Section 3 M INERAL R ESOURCES OF THE R EGION Virginia’s Geological Mineral and Mineral Fuel Resources Tennessee’s Geological Mineral and Mineral Fuel Resources Kentucky’s Geological Mineral and Mineral Fuel Resources Section 4 G ENERAL I NFORMATION ON C OAL R ESOURCES OF THE R EGION Coal Wisdom Section 5 A CTIVITIES I NCIDENTAL TO C OAL M INING After the Coal is Mined - Benefaction, Quality Control, Transportation and Reclamation Section 6 G ENERAL I NFORMATION ON O IL AND NATURAL G AS R ESOURCES IN THE R EGION Oil and Natural Gas Enlightenment Section 7 E XPOSED UPPER P ALEOZOIC R OCKS OF THE R EGION Carboniferous Systems Southeastern Geological Society (SEGS) Guidebook Number 41 September 2001 Page i Section 8 R EGIONAL G ROUND W ATER R ESOURCES Hydrology of the Eastern Kentucky Coal Field Region Section 9 P INE M OUNTAIN T HRUST S HEET Geology and Historical Significance of the -
Utah's Geologic Timeline Utah Seed Standard 7.2.6: Make an Argument from Evidence for How the Geologic Time Scale Shows the Ag
Utah’s Geologic Timeline Utah SEEd Standard 7.2.6: Make an argument from evidence for how the geologic time scale shows the age and history of Earth. Emphasize scientific evidence from rock strata, the fossil record, and the principles of relative dating, such as superposition, uniformitarianism, and recognizing unconformities. (ESS1.C) Activity Details: The students begin with a blank calendar and a list of events in the Earth’s, and additionally Utah’s, history. These events span billions of years, but such numbers are too large to visualize and compare. In order to help the mind understand such enormous lengths of time, the year of the event is scaled to what it would Be proportionate to a calendar year (numBers are from The Utah Geological Survey and Kentucky Geological Survey). The students go through the list and fill out their calendar to visualize the geologic timeline of the Earth and Utah, and then answer some analysis questions to help solidify their understanding. Students will need four differently-colored colored pencils or crayons to complete the activity. Background: The following information is taken from The Utah Geological Survey, written by Mark Milligan. It may Be helpful to define some of the terms with the students so they understand where and how ages come from. Geologists generally know the age of a rock By determining the age of the group of rocks, or formation, that it is found in. The age of formations is marked on a geologic calendar known as the geologic time scale. Development of the geologic time scale and dating of formations and rocks relies upon two fundamentally different ways of telling time: relative and absolute. -
Geology and General Science Program Review Portland Community College 2016
Geology and General Science Program Review Portland Community College 2016 Prepared by: Andy Hilt - SAC Chair Melinda Hutson Eriks Puris 2016 Geology and General Science Program Review 1. The Program/Discipline Overview……………………………………………………………………………………. 1 A. Introduction and Educational Goals ………………………………………………………………………. 1 B. SAC Changes……………………………………………………………………………………………………………… 3 2. Outcomes and Assessment……………………………………………………………………………………………… 7 A. Course Level Outcomes……………………………………………………………………………………………… 7 i. Review Process for Assessability……………………………………………………………………………… 7 ii. Instructional Changes…………………………………………………………………………………………….. 8 B. PCC Core Outcomes…………………………………………………………………………………………………… 9 i. Mapping Matrix……………………………………………………………………………………………………… 9 C. Core Outcome Assessment………………………………………………………………………………………… 10 i. Last Five Years………………………………………………………………………………………………………… 10 ii. Evidence of Effectiveness………………………………………………………………………………………. 11 iii. Assessment Cycle Process…………………………………………………………………………………….. 12 iv. Challenges……………………………………………………………………………………………………………. 13 3. Other Curricular Issues……………………………………………………………………………………………………. 14 A. Distance Learning……………………………………………………………………………………………………… 14 B. Curricular Changes to Address College Initiatives………………………………………………………. 16 C. Dual Credit………………………………………………………………………………………………………………… 18 D. Course Evaluations……………………………………………………………………………………………………. 19 E. Curricular Changes……………………………………………………………………………………………………. 19 4. Student & Community Needs………………………………………………………………………………………….. 20 A. Effect -
The Liberal Art of Science: Science and History in an Honors Program. INSTITUTION Oakton Community Coll., Des Plaines, IL
DOCUMENT RESUME ED 351 048 JC 920 513 AUTHOR West, Rinda; And Others TITLE The Liberal Art of Science: Science and History in an Honors Program. INSTITUTION Oakton Community Coll., Des Plaines, IL. PUB DATE Nov 91 NOTE 39p. PUB TYPE Reports Descriptive (141) EDRS PRICE MF01/PCO2 Plus Postage. DESCRIPTORS Classroom Techniques; Community Colleges; *Core Curriculum; Course Content; Curriculum Development; Fused Curriculum; History; *Honors Curriculum; *Humanities; *Interdisciplinary Approach; Laboratory Experiments; Participant Satisfaction; Program Development; *Science and Society; *Science Education; Science Experiments; Team Teaching; Two Year Colleges IDENTIFIERS Oakton Community College IL ABSTRACT In 1989, Oakton Community College (OCC) in Des Plaines, Illinois, began developing an honors core seminar in the sciences. The course was to be an interdisciplinary, laboratory-based science and humanities seminar, designed to explore the nature, process, and methods of science and the place of science in society. Rather than mastering a body of information, students would learn a process of inquiry. The course integrated two existing syllabi that had already been approved for credit transfer to four-year institutions, "Introduction to Physical Science," and "Culture and Science in the Western Tradition." An interdisciplinary team of nine faculty, working with two external consultants, spent 5 months developing the philosophy, objectives, and structure of the course. During the first 4 weeks of the course, a physicist taught students about concepts of motion. For the second 4-week unit, a chemist taught about the nature of matter. During the third 4-week unit, a geologist introduced students to plate tectonics. During each of the 4-week units, a historian related scientific concepts in their historical, economic, and cultural context. -
Tauzaman: a System for Supporting Multiple
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Prize Dance Fctirmng
/ 11' V TUESDAY, NOVEMBER 11,1941 The Weather j?a q b t w e l v e Average Dally Circulation Hanr^rBln: Ettruittg B^raUt Forecast of U. 8. Weather Bnresa For the Month of October, 1941 tails of preservation of life during Fair nnd colder tonight; Thurs hf took primary flight training. Emergency Doctors hostilities which might encompass Weir Finishes 6,96.3 day fair with slowly rising tern- Warden Seliool this vital ar*a. Klemhcr pt the Audit fctirm n g |»rraturps. About Town Physicians of the Manches The school will be open to all HALE'S SELF ;SERYE ter Medical Association who persons over 18 years of age who First Training Bureau of ClrcuUtlons will reapond to emergency calla To Be Opened 1 The Original In Ne^ SnKlandl Manchpnter— A City of Villnge Charm Unne Lodge No. 72, KnIghU of wish to attend. tomorrow afternoon . are Doc Persons completing the course P ^ la s , will hold a regular meet sleek 4.50 horsepower B1 j tors Howard Boyd and Edmond will receive proper certificates as (TWENTY PAGES) PRICE T H R E E C E N ’TS ing at Orange Hall tomorrow eve Zaglio. Loral .Aviation .Sliulent trainers. Ahead of him lie g: (C'lasslfled Advertising On Page 18) MANCHESTER, ( ONN., WEDNESDAY, NOVEMBER 12, 1911 Courses on .\ir Raifis to air raid wardens course graduates, school training, aeruhatics, cross AND H EA LJH MARKET ,’OL. I.XL, NO. 37 ning at eight o clock. and wdl become part of the civil Transferred to Good- country practice, and form Be ^Slartefl Here on ian defen.se organization. -
Changes in Stratigraphic Nomenclature by the U.S. Geological Survey
Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, By GEORGE V. COHEE, ROBERT G. BATES, and WILNA B. WRIGHT CONTRIBUTIONS TO STRATIGRAPHY GEOLOGICAL SURVEY BULLETIN 1294-A UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1970 UNITED STATES DEPARTMENT OF THE INTERIOR WALTER J. HICKEL, Secretary GEOLOGICAL SURVEY William T. Pecora, Director For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402 - Price 35 cents (paper cover) CONTENTS Listing of nomenclatural changes- --- ----- - - ---- -- -- -- ------ --- Ortega Quartzite and the Big Rock and Jawbone Conglomerate Members of the Kiawa Mountain Formation, Tusas Mountains, New Mexico, by Fred Barker---------------------------------------------------- Reasons for abandonment of the Portage Group, by Wallace de Witt, Jr-- Tlevak Basalt, west coast of Prince of Wales Island, southeastern Alaska, by G. Donald Eberlein and Michael Churkin, Jr Formations of the Bisbee Group, Empire Mountains quadrangle, Pima County, Arizona, by Tommy L. Finnell---------------------------- Glance Conglomerate- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Willow Canyon Formation ....................................... Apache Canyon Formation-- ................................... Shellenberger Canyon Formation- - --__----- ---- -- -- -- ----------- Turney Ranch Formation---- ------- ------ -- -- -- ---- ------ ----- Age--_------------------------------------------------------- Pantano Formation, by Tommy L. Finnell----------_-----------------