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How to find all combinations of coins when given some dollar value

...or this, and contains a fairly extensive discussion of the problem. Essentially you define a polynomial where the nth coefficient is the number of ways of making change for n dollars. Pages 4-5 of the writeup show how you can use Mathematica (or any other convenient computer algebra system) to comp...
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string.charAt(x) or string[x]?

... Bracket notation now works on all major browsers, except for IE7 and below. // Bracket Notation "Test String1"[6] // charAt Implementation "Test String1".charAt(6) It used to be a bad idea to use brackets, for these reasons (Source): This notatio...
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Differences between Octave and MATLAB? [closed]

...uctures are. The above link shows several examples where they are syntactically similar or identical, is this true for the whole language? ...
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How to get a complete list of ticker symbols from Yahoo Finance? [closed]

...d endlessly for a method of getting a complete (and daily updated) list of all Yahoo ticker symbols available through http://finance.yahoo.com ...
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How to remove and clear all localStorage data [duplicate]

I need to clear all data i set into localStorage . By this, I mean completely reset localStorage to null when users remove their accounts. ...
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Developing cross platform mobile application [closed]

...s but let me expand a bit: I think that cross-platform tools have historically always been also-rans because such tools have the wrong philosophical focus. All the selling points for cross-plaform tools are the benefits they bring to developers. They are sold on the idea that they allow the devel...
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Using Git, show all commits that are in one branch, but not the other(s)

...ich I would like to delete. However, before doing so, I want to check that all commits made to this branch were at some point merged into some other branch. Thus, I'd like to see all commits made to my current branch which have not been applied to any other branch [or, if this is not possible withou...
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Why fragments, and when to use fragments instead of activities?

In Android API 11+, Google has released a new class called Fragment . 11 Answers 11 ...
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Compile, Build or Archive problems with Xcode 4 (and dependencies)

...ct and dependencies) Set "Always search user paths" to YES Create a group call "Indexing headers" in your project and drag the headers to this group, DO NOT add to any targets when prompted. This includes any headers inside your .xcdatamodeld, you'll need to right-click and view package contents to ...
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How to iterate over arguments in a Bash script

... Use "$@" to represent all the arguments: for var in "$@" do echo "$var" done This will iterate over each argument and print it out on a separate line. $@ behaves like $* except that when quoted the arguments are broken up properly if there...