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1. Structure of Tables
... Table data are arranged in columns and rows, and stored in MIDAS files with the extension .tbl . ... An item in a table is accessed by giving its column and row in addition to the table name. The row number can either be given as an absolute value (i.e. the sequence number) or indicated by the value in a previously defined reference column. ... A table can be always expanded in the sense that its number of columns and rows is automatically increased when the allocated space is exceeded. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol1/node59.html -- 5.8 Кб -- 23.02.1996
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2. CSPICE Routines: EKRCEC_C
... Abstract Read data from a character column in a specified EK record. ... Brief_I/O Variable I/O Description -------- --- -------------------------------------------------- handle I Handle attached to EK file. segno I Index of segment containing record. recno I Record from which data is to be read. column I Column name. lenout I Maximum length of output strings. nvals O Number of values in column entry. cvals O Character values in column entry. isnull O Flag indicating whether column entry is null. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/~sontag/spicedocs/cspice/ekrcec_c.html -- 9.1 Кб -- 17.12.2005
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3. Astronomy HyperText Book: Stellar Evolution
... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/textbook/se.html -- 4.8 Кб -- 16.12.1997
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4. ccontsubtract CentralProcessor 0.11 documentation
... CentralProcessor 0.11 documentation . ... It can be run with the following command, where ?config.in? is a file containing the configuration parameters described in the next section. ... Parset parameters understood by ccontsubtract are given in the following table (all parameters must have CContSubtract prefix, i.e. CContSubtract.dataset ). ... A number of other parameters allowing the user to narrow down the data selection are understood. ... Parameter . ... Data set file name to work with. ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/computing/software/askapsoft/sdp/docs/current/calim/ccontsubtract.html -- 14.9 Кб -- 12.04.2016
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5. Access control
... The user database is traditionally contained in the /etc/passwd љ file. Some systems use shadow passwords , and have moved the passwords to /etc/shadow љ . ... However, installing shadow passwords later onto a system that did not support them can be difficult. ... The crack љ program can be used to crack passwords; any password it can find is by definition not a good one. ... The user group database is kept in /etc/group љ ; for systems with shadow passwords, there can be a /etc/shadow.group љ . ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/sag-0.4/node78.html -- 5.6 Кб -- 04.05.1997
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6. ADASS 2003 Conference Proceedings
... Previous: Access to Atomic and Molecular Data/Databases in the VO . ... We present the general characteristics of a database for binary and multiple stars from all observational categories, specifically designed to address the awkward topics of the identification of stellar components. BDB is based on a modular architecture to allow the easy integration of data from various sources. We describe in particular the set up of connections with other double star databases through the Internet. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass03/P2-31/ -- 10.9 Кб -- 13.08.2004
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7. AstroAsciiData
... AstroAsciiData is a Python module to handle ASCII tables. ... The idea to develop this Python module emerged from the fact that ASCII tables continue to be one of the most popular and widely used data exchange formats in astronomy and probably science in general. ... To load this ASCII table, go into Python, load the AstroAsciiData module and read in the table with: . ... demo = asciidata.open('webexa.txt') . ... Users who only want to work with ASCII tables neeed no further python modules. ...
[ Сохраненная копия ]  Ссылки http://www.stecf.org/software/PYTHONtools/astroasciidata/ -- 13.6 Кб -- 09.04.2016
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8. Parameters
... Parameter . ... Type . ... data set . ... The name of the observation-wide attitude time series data set created by atthkgen . ... name of existing D -type column in attset . The name of the column in the attitude data set containing the time tags - passed to tabgtigen in parameter timecolumn . ... A selection switch which determines the type of selection expression that the attitude time series is filtered with. cone and pyramid select the fixed cone- and pyramid filters (see above) respectively. ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/8.0.0/doc/attfilter/node5.html -- 12.3 Кб -- 02.07.2008
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9. Event File Specifications
SAOtng supports display of photon event data contained in raw files, similar to its support for FITS Binary Table extensions (e.g., X-ray event lists). ... Because event files do not usually contain enough information to generate an image, we have adopted some conventions for specifying how to interpret the data in these files and for how to bin rows of events into images. To image an event file, it is first of all necessary to define the structure of the events in the event file. ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/RD/saotng/event_spec.html -- 7.1 Кб -- 01.10.2012
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10. Getting Started in Actor Prolog. Underdetermined Sets.
Underdetermined sets is a new type of data structures (terms) developed in Actor Prolog . ... The point is that an underdetermined set can include some indefinite rest (a tail) like a list in usual Prolog . At the same time, the order of elements of an underdetermined set can be arbitrary one and it does not affect results of unification of underdetermined sets. Moreover, Actor Prolog guarantees that a rest of an underdetermined set never contains elements that are explicitly given in the set. ...
[ Сохраненная копия ]  Ссылки http://www.cplire.ru/Lab144/start/e_sets.html -- 12.6 Кб -- 24.09.2007
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