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Why does Random.Next() have Next in it's name? I know what it does, but the name doesn't seem to correspond to it.
It returns the next number in the infinite sequence of numbers generated from your Random instance's seed.
In computer science jargon, a "generator" is a specific kind of function: one that returns a different result each time it is called. It is traditional to call this function something like next(), because they are often used to return the next piece of a sequence (perhaps infinite). RNGs are just a special case of generator function, returning the next value in a calculated sequence.
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I have a Customer data object. That object has to be evaluated by different functions. Each function will return true or false.
Since each function evaluate different case scenarios, I need to submit the Customer object to each one of them.
The way the functions were written, only one of them is going to return true.
(The functions are used in another part of the code, so I am using them as it is, so I don't have to repeat code).
The WorkStatus is an Enum. So, if the function returns true, then the Enum will be set with the specified value.
So:
WorkStatus result = 0;
if (notStarted) result = WorkStatus.NotStarted;
if (started) result = WorkStatus.Started;
if (inProgress) result = WorkStatus.InProgress;
if (withBacklog) result = WorkStatus.WithBacklog;
if (finalized) result = WorkStatus.Finalized;
return (int)result;
I made this way, but I am sure there is some better way. I just can't figure this out.
Obs.: I wrote the question again. I hope it's more clear. Sorry for the previous lack of details.
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I have a big function that returns a list of objects. I basically need the results to be put in to a text file. The list contains objects of a class with attributes string Index and integer count. I would want it to be written in a textfile like:
Index : Count fe.
BOOK_FROM_STORE : 27
Anybody has some guidance?
Parse the data held by your object to string and then write it to a text file.
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So I created an array with 100 variables using Enumerable.Range. The data type is limited to Int32.
Problem
How can I create the same array with SByte?
Am I right in thinking I would need to use a loop to create and index the variables?
I have looked around online and most results touch on declaring counting variables for the loop but not using a loop to declare variables
Just cast them:
SByte[] array = Enumerable.Range(0, 100).Select(i => (SByte) i).ToArray();
note that SByte is not cls compliant, you might want to use short instead.
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var approve = UnitOfWork.Query.Lexis.ApprovedLexis2(DialogService.User.UserID, List.Where(x=>x.Check).Max(x=>x.TxnDate), _batch);
what does line of code returns? can someone explains that? TYIA
List.Where(x=>x.Check).Max(x=>x.TxnDate)
Presumably here List is a list/collection/some IEnumerable<T> for a type T that has (at least) a bool member named Check, and some other member TxnDate (presumably a DateTime of the transaction date).
The Where applies a predicate filter, i.e. it creates a filtered sequence of the items where Check is true. The Max finds the greatest (in terms of x>y, implemented by IComparable[<T>]) of the .TxnDate of each item in the filtered sequence.
So: the expression returns the greatest (last, timewise) transaction date of all the "checked" items in List. If there are no "checked" items, it will throw an exception (you can't ask for the largest of no values; or rather, you can ask, but you won't get a sensible answer).
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This may sound like an elementary question, but I want to check whether my thought process is correct.
I have a do while loop and I want to check when the loop has entered the last iteration so as to either set a value or not. I have come with this sort solution but doesn't feel and I was wondering whether there is a another way.
do
{
int iterationCheck ++;
if( iterationCheck! = counter)
// Do something
counter++;
} while (true)
Is this correct or is there a better way?
Sure you could do this to count the iteration
But put the 'int iterationCheck=0' variable declaration before the do/while scope.
You could go for a 'for' loop too ( which would be better )
However it all depends on the condition of your loop.
Because we can't infer the 'out' condition of your loop so we can't provide a accurate answer.