notation Questions

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I am a bit confused on space complexity. Is this O(1) space complexity or O(N) complexity? Since I am creating a string of size n, my guess is the space complexity is O(N) is that correct? ## thi...
Dewitt asked 7/6, 2014 at 19:31

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The man page of cat says: -v, --show-nonprinting use ^ and M- notation, except for LFD and TAB What is the M- notation and where is it documented? Example: $cat log -A wrote 262144 bytes from fi...

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I'm really confused about the differences between big O, big Omega, and big Theta notation. I understand that big O is the upper bound and big Omega is the lower bound, but what exactly does big ...
Yeager asked 29/4, 2012 at 22:56

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If you're defining a variable, it appears to be perfectly valid to declare/define a variable as follows: double[][] output = {{0,0},{1,0}}; But if you're returning a value, it appears to be inv...
Alemanni asked 29/7, 2013 at 20:45

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I sometimes get across this way of printing or returning a list - someList[:]. I don't see why people use it, as it returns the full list. Why not simply write someList, whithout the [:] part?
Sob asked 30/4, 2015 at 9:15

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I would like to have the closest number below 1.0 as a floating point. By reading wikipedia's article on IEEE-754 I have managed to find out that the binary representation for 1.0 is 3FF00000000000...
Count asked 16/10, 2010 at 0:53

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I am trying to create a method that will find the next column after a given column. For example: input: A output: B It seems quite simple at first. I was just going to use the following method: ...
Homotaxis asked 18/12, 2019 at 23:49

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I understand that .. can be used in ranges--i.e., [1..3] == [1,2,3], and [10..] is an infinite list starting at 10. However, recently I've started seeing these double dots inside brackets too. Eith...
Machzor asked 30/6, 2021 at 10:30

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Is this legal? Not near my work computer so can't test try someClass::someStaticFunction(); catch(Exception $e) $e->getMessage(); Specifically the lack of brackets, similar to an if-else st...
Rosemaryrosemond asked 9/1, 2012 at 22:59

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I know that this question has been asked before, but I tried all the possible solutions and none of them worked for me. So, I have a log-log plot in matplotlib, and I would like to avoid scientifi...
Lastex asked 10/4, 2018 at 9:30

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When I do this: float x = float.MaxValue; I have the result: 3.40282347E+38 What is E+38? how can I represent the maximum number without this symbol? msdn says RANGE: ±1.5 × 10^−45 to ±3.4 × 10^38...
Bellows asked 8/8, 2012 at 4:47

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Is there a standard (non-graphical) notation for Entity Relationships? right now I'm using my own janky notation: User >> Photo , (1-many) User > Profile , (1-1 hasOne) Profile < User , (1-1 ...
Jardena asked 6/10, 2009 at 21:13

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Encountered a problem whereby my JSON data gets printed as a scientific notation instead of a float. import urllib2 import json import sys url = 'https://bittrex.com/api/v1.1/public/getmarketsumm...
Valer asked 2/8, 2014 at 21:35

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There are some notations to write numbers in C# that tell if what you wrote is float, double, integer and so on. So I would like to write a binary number, how do I do that? Say I have a byte: by...
Stirring asked 11/10, 2013 at 11:31

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So I'm trying to document the format of the json returned by an api I am writing against and I'd like to know if there is any popular format for the documentation of json structure. Note I'm not ...
Lindo asked 17/10, 2010 at 14:49

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I would like to convert a number that is stored in scientific notation into a floating point decimal, so I can then perform some comparisons on the data. This is being done in a bash script - here ...
Sherlynsherm asked 11/12, 2012 at 18:27

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System.out.println(2e+5); Above line's output is, 200000.0 While below line's, System.out.println(2e-5); output is, 2.0e-5 Why does 2e-5 is not solved down with -10^5 giving the outp...
Herd asked 20/7, 2018 at 16:58

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In my textbook I see the following: Definition of the order of an algorithm Algorithm A is order f(n) -- denoted O(f(n)) -- if constants k and n0 exist such that A requires no more than k * f(n) t...
Tytybald asked 5/3, 2018 at 8:50

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I've just got the clear explanation of what "->" notation is about here: Dot (".") operator and arrow ("->") operator use in C vs. Objective-C But I still don't understand w...
Filter asked 15/3, 2013 at 18:26

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I am preparing for an exam where i couldn't understand the convertion of infix notation to polish notation for the below expression: (a–b)/c*(d + e – f / g) Can any one tell step by step how the...
Broyles asked 22/12, 2009 at 14:59

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I'm looking at the documentation for FileUtils. I'm confused by the following line: FileUtils.cp %w(cgi.rb complex.rb date.rb), '/usr/lib/ruby/1.6' What does the %w mean? Can you point me to t...
Ultramicroscope asked 13/8, 2009 at 21:23

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To document Ruby, I'd write, eg, Time::now or Time#day. How do I document Swift? That is, when documenting Swift, what is the notation for a type and its 1) type property or method or 2) instance ...
Synergistic asked 12/8, 2017 at 14:29

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I found a little script that I understand fully. I've got a string with *1 -2 5 40* for example. It reads the input string, splits it into a temporary array. Then this array is parsed and each elem...
Gnathion asked 8/6, 2017 at 11:37

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On a lab to regarding network topology using port scanners, I am instructed "to develop a network inventory and topology for the 123.218.44.0/24 subnet." What does the notation 0/24 mean there? I ...
Kaliningrad asked 1/4, 2009 at 19:28

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While perusing an application that I'm documenting, I've run across some examples of bang notation in accessing object properties/methods, etc. and in other places they use dot notation for what se...
Homologous asked 27/5, 2010 at 18:49

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