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How can you use an object's property in a double-quoted string?
...double-quoted string it will be replaced by that variable's value:
$foo = 2
"$foo"
becomes
"2"
If you don't want that you have to use single quotes:
$foo = 2
'$foo'
However, if you want to access properties, or use indexes on variables in a double-quoted string, you have to enclose that sub...
Python time measure function
...
242
First and foremost, I highly suggest using a profiler or atleast use timeit.
However if you wa...
How do Trigonometric functions work?
... |
edited Dec 5 '08 at 21:09
answered Dec 5 '08 at 20:59
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Multidimensional Array [][] vs [,] [duplicate]
...
One is an array of arrays, and one is a 2d array. The former can be jagged, the latter is uniform.
That is, a double[][] can validly be:
double[][] x = new double[5][];
x[0] = new double[10];
x[1] = new double[5];
x[2] = new double[3];
x[3] = new double[100];
x...
How to break out from a ruby block?
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edited May 9 '17 at 21:55
the Tin Man
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How to add a new row to an empty numpy array
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237
The way to "start" the array that you want is:
arr = np.empty((0,3), int)
Which is an empty...
Which is faster in Python: x**.5 or math.sqrt(x)?
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edited Jun 15 at 23:12
Max Ghenis
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answe...
How can I initialize a C# List in the same line I declare it. (IEnumerable string Collection Example
...};
Essentially the syntax is:
new List<Type> { Instance1, Instance2, Instance3 };
Which is translated by the compiler as
List<string> list = new List<string>();
list.Add("One");
list.Add("Two");
list.Add("Three");
...
'const int' vs. 'int const' as function parameters in C++ and C
...const is a constant pointer to a (mutable) char
In other words, (1) and (2) are identical. The only way of making the pointer (rather than the pointee) const is to use a suffix-const.
This is why many people prefer to always put const to the right side of the type (“East const” style): it mak...