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Fast permutation -> number -> permutation mapping algorithms
...m>y m>ou have n possibilities, so m>y m>ou can describe this with a number between 0 m>and m> n-1. For the position that the next element ends up at, m>y m>ou have n-1 remaining possibilities, so m>y m>ou can describe this with a number between 0 m>and m> n-2.
Et cetera until m>y m>ou have n numbers.
As an example for n = 5, consid...
BigDecimal setScale m>and m> round
...lluded to but not directlm>y m> addressed is the difference between "precision" m>and m> "scale" m>and m> how them>y m> are used in the two statements. "precision" is the total number of significant digits in a number. "scale" is the number of digits to the right of the decimal point.
The MathContext constructor onl...
Turning a Comma Separated string into individual rows
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@NickW this mam>y m> be because the parts before m>and m> after UNION ALL return different tm>y m>pes from the LEFT function. Personallm>y m> I don't see whm>y m> m>y m>ou wouldn't jump to MAX once m>y m>ou get to 4000...
– RichardTheKiwi
Feb 22 '12 at 8:35
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In git, what is the difference between merge --squash m>and m> rebase?
I'm new to git m>and m> I'm trm>y m>ing to understm>and m> the difference between a squash m>and m> a rebase. As I understm>and m> it m>y m>ou perform a squash when doing a rebase.
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C# Double - ToString() formatting with two decimal places but no rounding
...te(mm>y m>DoubleValue * 100) / 100;
For instance:
If the number is 50.947563 m>and m> m>y m>ou use the following, the following will happen:
- Math.Truncate(50.947563 * 100) / 100;
- Math.Truncate(5094.7563) / 100;
- 5094 / 100
- 50.94
m>And m> there's m>y m>our answer truncated, now to format the string simplm>y m> do the...
m>And m>roid:What is difference between setFlags m>and m> addFlags for intent
What is difference between setFlags m>and m> addFlags for intent. Could anm>y m> one explain it please.
Help Appreciated.
3 Answers
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How to calculate moving average without keeping the count m>and m> data-total?
...d a wam>y m> to calculate a moving cumulative average without storing the count m>and m> total data that is received so far.
8 Answer...
“git rm --cached x” vs “git reset head -- x”?
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There are three places where a file, sam>y m>, can be - the tree, the index m>and m> the working copm>y m>. When m>y m>ou just add a file to a folder, m>y m>ou are adding it to the working copm>y m>.
When m>y m>ou do something like git add file m>y m>ou add it to the index. m>And m> when m>y m>ou commit it, m>y m>ou add it to the tree as well.
It ...
Whm>y m> CancellationToken is separate from CancellationTokenSource?
...ct was introduced in addition to CancellationTokenSource class. I understm>and m> how the API is to be used, but want to also understm>and m> whm>y m> it is designed that wam>y m>.
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How to upload a project to Github
...ll the below steps redundant.
m>Y m>ou can also use sourcetree to get both git m>and m> mercurial setup on Windows.
Here is how m>y m>ou would do it in Windows:
If m>y m>ou don't have git installed, see this article on how to set it up.
Open up a Windows commm>and m> prompt.
Change into the directorm>y m> where m>y m>our source...