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Topic: Null result

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	Null - Wikipedia, the free encyclopedia
		In computer programming, null is a special value for a pointer (or other kind of reference) used to signify that the pointer intentionally does not have a target.
		For example, in a vector space the null vector, is the zero vector, in set theory, the null set, is the set with zero elements, and in measure theory, a null set, is a set with zero measure.
		Null fill in the vertical plane is used to prevent this.
	en.wikipedia.org /wiki/Null (660 words)

	Null result - Wikipedia, the free encyclopedia
		In physics, the results of the Michelson-Morley experiment, which did not detect the luminiferous aether, were of this type.
		This experiment's famous failed detection, commonly referred to as the null result, led to the abandonment of the various aether theories because they predicted specific properties which were not found.
		In law, a null result is something lacking any legal or binding force.
	en.wikipedia.org /wiki/Null_result (306 words)

	Encyclopedia: Null result (Site not responding. Last check: 2007-10-21)
		Statistics is a type of data analysis whose practice includes the planning, summarizing, and interpreting of observations of a system possibly followed by predicting or forecasting of future events based on a mathematical model of the system being observed.
		In statistics, a null hypothesis is a hypothesis that is presumed true until statistical evidence in the form of a hypothesis test indicates otherwise.
		This experiment's famous failed detection, commonly referred to as the null result, lead to the various aether theories to be abandoned, as these theories predicted specific observations which were not found.
	www.nationmaster.com /encyclopedia/Null-result (719 words)

	Null result - Open Encyclopedia (Site not responding. Last check: 2007-10-21)
		Generally, a null result is a result which is null (that is, nothing).
		NULL is a special constant used in several languages (including C and C++, and Pascal where it is called
		Nulls are treated differently depending on the language or program.
	open-encyclopedia.com /Null_result (408 words)

	Null result -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-21)
		Generally, a null result is a result which is (A quantity of no importance) null (nothing): that is, the absence of an observable result.
		In (A branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters) statistics, specifically, a null result occurs when there are non-significant differences between experimental and control conditions.
		It is one of the possibilities in a (Click link for more info and facts about three-valued logic) three-valued logic (true, false, or null result).
	www.absoluteastronomy.com /encyclopedia/n/nu/null_result.htm (229 words)

	Interpreting Null Results
		Null hypothesis significance testing do not allow for conclusions about the likelihood that the null hypothesis is true, only whether it is unlikely that null is true.
		This result provides little evidence as to the viability of the null hypothesis, suggesting the population could take the form of a medium effect favoring the tutorial group, a medium effect favoring the lecture group, or any result somewhere in between.
		I prefer the terms null findings or null results to null effect as null effect suggests that there is no effect present whereas null findings or null results suggest that no effect was detected but may exist.
	www.jasnh.com /a6.htm (3175 words)

	Null result
		Generally, a null result is the consequence of an analysis or experiment that does not detect a proposition or principle original to the analysis or experiment.
		In science, it can be a result that shows none of the data which would have been expected.
		In Logic, it is not a valid data value in an equation of thought.
	www.brainyencyclopedia.com /encyclopedia/n/nu/null_result_1.html (337 words)

	Null Object Design Pattern
		The key to the Null Object pattern is an abstract class that defines the interface for all objects of this type.
		Null objects can be used in place of real objects when the object is expected to do nothing.
		Null Object is a concrete collaborator class that acts as the collaborator for a client which needs one.
	www.cs.oberlin.edu /~jwalker/nullObjPattern (1938 words)

	[No title]
		However, in the case where the result is a null char_array this doesn't make sense because char_array's index type is the modular type size_t, and so a null range must have a lower bound greater than zero.
		4294967295 in this case (which is the result of the obvious implementation combined with the wraparound semantics of modular types), and that is obviously wrong.
		!appendix !topic Bounds for null result from function Interfaces.C.To_C !reference RM95-B.3(50) !from Gary Dismukes 01-01-24 !keywords interfacing char_array !discussion B.3(50) defines the lower bound of the result of To_C (returning a char_array) to be 0.
	www.ada-auth.org /cgi-bin/cvsweb.cgi/AIs/AI-00258.TXT?rev=1.7 (1900 words)

	Station Information - Null result
		In computer science and Information technology, it is a special value used in several languages to represent the thing referred to by an uninitialised pointer.
		Nulls are treated completely differently depending on the language or program.
		What Michelson and Morley concluded from their null result
	www.stationinformation.com /encyclopedia/n/nu/null_result_1.html (306 words)

	Null values (Site not responding. Last check: 2007-10-21)
		Null values are used to represent a field for which no actual value is available.
		Null values would be used to represent the missing values.
		It is possible to invent schemes where a set of null values are supported, each with a subtly different gradation of meaning.
	www.jcmt.jach.hawaii.edu /JACpublic/JCMT/software/stardocs/sun190.htx/node23.html (213 words)

	[Dbdpg-general] possible bug when handling null result from booleans
		If the result is not null, call the dequote function for that type (in this case, dequote_bool).
		Humm there is the possiblility of a null pointer deref iff imp_sth->result is a null pointer and PQgetisnull() return a non-true value.
		If the result is not > null, call the dequote function for that type (in this case, > dequote_bool).
	gborg.postgresql.org /pipermail/dbdpg-general/2003-July/000230.html (601 words)

	HTML of StringHelper (Site not responding. Last check: 2007-10-21)
		The result is that the original * String is centered in the middle of the new string.
		Null elements of the array are allowed * and will be treated like empty Strings.
		StringBuffer result = new StringBuffer(length); for (int i=0; i
	ostermiller.org /utils/StringHelper.java.html (3182 words)

	[No title]
		Similarly, when a * result is returned from a sent command, it is also appended * to the comm property.
		The result is terminated by a NULL character.
		While waiting for a result, look only at * send-related events (otherwise it would be possible for * additional input events, such as mouse motion, to cause * other sends, leading eventually to such a large number * of nested Tcl_Eval calls that the Tcl interpreter panics).
	www.npl.washington.edu /TkWWW/tk-3.2/tkSend.c (2565 words)

	Michelson Morley, Physics: WSM explains Michelson Morley, Null Result of Michelson Morley Experiment
		Generally the results are held as confirming there is no Absolute Space, and thus apparently confirming Einstein's relativistic view that we can only consider the motion of the earth relative to other matter, not relative to an absolute space (which does not exist as something separate from matter).
		The net result of this is that for any change in the velocity of light, there will be a corresponding change in length, such that the change will not be observable and the velocity of light will always appear to be constant.
		The results of all these facts and experiments, except for one, the Michelson Morley experiment, were explained by H.A. Lorentz on the assumption that the ether does not take part in the motion of ponderable bodies, and that the parts of the ether have no relative motions at all with respect to each other.
	www.spaceandmotion.com /Physics-Michelson-Morley.htm (12673 words)

	[No title]
		After a normal return the * result in interp will be set to hold all of the file names * given by the dir and rem arguments.
		* * Results: * The result is a pointer to a static string containing * the new name.
		The result may be stored * in bufferPtr; the caller must call Tcl_DStringFree(bufferPtr) * to free the name.
	www.cs.cmu.edu /afs/cs.cmu.edu/project/gwydion-2/wlott/tcl7.3/tclGlob.c (1373 words)

	Code and Personality
		Yes, it returns NULL and you then overwrite say the low ten megs of memory, depending on the value of bufferSize.
		All externally visible functions in Button.c verify the ButtonHandle argument they were passed is not NULL, is not a purged handle, and that it has the correct tag.
		We've found that this is mainly useful for catching coding errors while still in the development phase, and that the most common error is to try and act on a NULL object.
	homepage.mac.com /kevinmarks/personality.html (2889 words)

	[No title] (Site not responding. Last check: 2007-10-21)
		When files are retained their names are kept as the `file' attribute of the result of the function.
		When `sas.command' is `NULL', the files are retained under the assumption that they will be ported to another computer for execution by sas.
		Depending on the setting of the argument `safe.to.remove.tempfile' and the value of the return code stored in the `"result"' attribute, some of the intermediate files may be removed on completion.
	sunsite.univie.ac.at /statlib/S/print.display (3200 words)

	Python Extension writing (Site not responding. Last check: 2007-10-21)
		PyObject MyCommand(self, args) PyObject self, args; { PyObject result = NULL; long a, b; if (PyArg_ParseTuple(args, "ii", &a, &b)) { result = Py_BuildValue("i", a + b); } /* otherwise there is an error, * the exception already raised by PyArg_ParseTuple, and NULL is * returned.
		PyObject counter_getattr(self, attrname) PyObject self; char attrname; { PyObject result = NULL; counter object = (counter )self; if (strcmp(attrname, "value") == 0) result = PyInt_AsLong(object->value); else PyErr_SetString(PyExc_AttributeError, attrname); return result; } /* the C setattr function should return an integer, 0 on success, -1 when an exception is raised.
		When the given value is NULL, then "delattr" was called instead of "setattr".
	starship.python.net /crew/arcege/extwriting/pyext.html (976 words)

	MySQL Reference Manual for version 3.23.56.: NULL mysql_store_result
		failure (for example, if the result set was too large).
		returns zero, the result is empty and the last query was a statement that does not return values (for example, an
		returns a non-zero value, the statement should have produced a non-empty result.
	library.n0i.net /programming/database/my-sql-3.23/mysql_610.html (118 words)

	[No title]
		One possibility is to compute the heights of the binary search trees resulting from inserting each permutation of 1,2,...,n into an initially empty tree.
		For n = 4, of the 24 permutations of 1-4 for insertion, the resulting tree heights and their frequencies are: height frequency 3 8 2 16 So the average height is 2.333...
		The height method is a static method just returns the height of the node passed to it, but also handles the case if null is passed.
	condor.depaul.edu /~glancast/416class/docs/lecAug02.html (1667 words)

	[No title]
		result = NULL; vert->spare = 1; } return 0; } /* slice_edge() k = piece->space_d - 1; ** The k-space is where the piece->space_d coord is cut_x.
		In these cases the edge's result is set to point a new object which is the intersection.
		indicates that there was an intersection by setting piece->result to point to (given) intxion_piece in case of intersection, or to NULL** of there was no intersection.
	www.cs.utah.edu /~gk/peek/old/intx.c (660 words)

	Usenet Archive
		In 1965, Bell reformulated Einstein’s argument into a theorem that allowed the experimental investigation of this result.’ Experiments were done in the 1970’s confirm- ing quantum mechanics, but at the expense of undermin- ing the principle of local causality.
		These nonlocal linkages result in a holistic description of our universe as a hologram - where the whole view is implicitly embedded in every section of the hologram.
		On the other hand, the probability that a given experiment, carried out within the interval between two other complete measurements on the same system, will produce a given result, is known to depend symmetrically on the results of the measurements at the beginning and at the end of that interval (see references 2-4).
	www2.usenetarchive.org /Dir68/File842.html (11815 words)

	Null result when combining null field with non-null field in ADP View (Site not responding. Last check: 2007-10-21)
		Null result when combining null field with non-null field in ADP View
		I'm combining the field fldFirstName and the field fldLastName in an Access2000 ADP view as such: tblCustomers.fldFirstName + ' ' + tblCustomers.fldLastName AS CustomerName Works great UNLESS either fldFirstName or fldLastName is null, in which case CustomerName is null, even though the other part oif the name is not null.
		How about CASE WHEN tblCustomers.fldFirstName Is Null THEN tblCustomers.fldLastName ELSE tblCustomers.fldFirstName + CASE WHEN tblCustomers.fldLastName Is Null THEN '' ELSE ' ' + tblCustomers.fldLastName END END AS CustomerName There's probably a more concise way to do it, but this occurs to me off the top of my head.
	www.mcse.ms /message77356.html (839 words)

	MySQL Reference Manual for version 3.23.5-alpha. - 7.3 Functions for use in SELECT and WHERE clauses
		The result of the last expression is incorrect because the result of the integer multiplication exceeds the 64-bit range of
		The result of the comparison is used as an integer.
		and the resulting date has a day that is larger than the maximum day for the new month, the day is adjusted to the maximum days in the new month.
	tecfa.unige.ch /guides/mysql/man/manuel_Functions.html (4183 words)

	[No title]
		One is for a NULL pointer to * mark the end of the list, and the other is to leave room * for inserting the command name "unknown" as the first * argument (see below).
		Reset the * result to its default empty value first (it could have * gotten changed by earlier commands in the same command * string).
		* * Results: * The return value is a token for the trace, which may be passed * to Tcl_DeleteTrace to eliminate the trace.
	medg.lcs.mit.edu /ftp/mpf/GridWars/src/tclX/ucbsrc/tclBasic.c (2510 words)

	PRB3 null mutations result in absence of the proline-rich glycoprotein Gl and abolish Fusobacterium nucleatum ...
		PRB3 null mutations result in absence of the proline-rich glycoprotein Gl and abolish Fusobacterium nucleatum interactions with saliva in vitro -- Azen et al.
		PRB3 null mutations result in absence of the proline-rich glycoprotein Gl and abolish Fusobacterium nucleatum interactions with saliva in vitro
		The results showed one subject who apparently lacked Gl.
	iai.asm.org /cgi/content/abstract/61/10/4434 (285 words)

	PEAR :: Bug #229 :: getXxx methods return null result when used with $params array
		Description: ------------ When a $params array is included in a getXxx call (as the documentation indicates is valid and will cause the statement to go through prepare/execute), a null result is returned.
		Actual result: -------------- getRow with params returns a null result while the other two phrasings return valid data.
		The call to ocifreestatement() within that method trashes the result of the fetch.
	pear.php.net /bugs/bug.php?id=229 (419 words)

	Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations (Site not responding. Last check: 2007-10-21)
		Availability information may be found in the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or via the "Full-text Availability" link.
		Null result for enhanced neutrino scattering in crystals
		Weber (Phys.^Rev.^C 31, 1468 (1985); Phys.^Rev.^D 38, 32 (1988)) has reported the results of several experiments that suggest a total neutrino scattering rate proportional to the square of the number of atoms in a perfect crystal.^A solar neutrino experiment with improved sensitivity has given a null result for scattering of that kind.
	www.osti.gov /energycitations/product.biblio.jsp?osti_id=7173410 (169 words)

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