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Sort an array in Java
...] = rand.nextInt(100) + 1;
Arrays.sort(array);
System.out.println(Arrays.toString(array));
// in reverse order
for (int i = array.length - 1; i >= 0; i--)
System.out.print(array[i] + " ");
System.out.println();
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Reference — What does this symbol mean in PHP?
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@AcidShout $a - $b works for numbers, but not strings, objects, or arrays.
– mcrumley
Sep 25 '15 at 18:29
49
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How Should I Declare Foreign Key Relationships Using Code First Entity Framework (4.1) in MVC3?
...es
// Foreign key to customer
[ForeignKey("Customer")]
public string CustomerID { get; set; }
public virtual Customer Customer { get; set; }
}
The ForeignKeyAttribute constructor takes a string as a parameter: if you place it on a foreign key property it represents the name of the...
Fundamental difference between Hashing and Encryption algorithms
...ginal input. Say I'm creating a 1-bit hash. My hash function takes a bit string as input and sets the hash to 1 if there are an even number of bits set in the input string, else 0 if there were an odd number.
Example:
Input Hash
0010 0
0011 1
0110 1
1000 0
Note that there ...
In Python, how do I convert all of the items in a list to floats?
... have a script which reads a text file, pulls decimal numbers out of it as strings and places them into a list.
12 Answers
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T-SQL stored procedure that accepts multiple Id values
...est to a universal "best" approach.
The Iterative Method. Pass a delimited string and loop through it.
Using the CLR. SQL Server 2005 and higher from .NET languages only.
XML. Very good for inserting many rows; may be overkill for SELECTs.
Table of Numbers. Higher performance/complexity than simp...
How do you find the sum of all the numbers in an array in Java?
...3
Finally, it can take an array of type T. So you can per example have a String which contains numbers as an input and if you want to sum them just do :
int sum = Arrays.stream("1 2 3 4".split("\\s+")).mapToInt(Integer::parseInt).sum();
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What is the difference between the WPF TextBlock element and Label control? [duplicate]
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Label takes all kinds of data inputs like String, Number etc...
TextBlock, as the name suggests, only accepts a Text string.
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How to set focus on input field?
...ing '@' we compare the trigger value to "true" since @ always results in a string.
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Get current folder path
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string appPath = System.IO.Path.GetDirectoryName(Application.ExecutablePath);
From Path.GetDirectoryName
Returns the directory information for the specified path string.
From Application.ExecutablePath
Gets the pa...