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Reference — What does this symbol mean in PHP?
..., then the increment/decrement operation is done.
For example:
$apples = 10;
for ($i = 0; $i < 10; ++$i) {
echo 'I have ' . $apples-- . " apples. I just ate one.\n";
}
Live example
In the case above ++$i is used, since it is faster. $i++ would have the same results.
Pre-increment is a l...
The object 'DF__*' is dependent on column '*' - Changing int to double
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answered Oct 19 '13 at 1:10
Joe TarasJoe Taras
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Detect if a page has a vertical scrollbar?
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answered Jan 27 '10 at 12:52
Thiago BelemThiago Belem
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how to change any data type into a string in python
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10 Answers
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Active
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Get the current script file name
...|
edited Apr 18 '16 at 13:10
answered Nov 19 '10 at 1:25
al...
Is there a __CLASS__ macro in C++?
...reprocessor stage! :(
– k3a
Aug 23 '10 at 11:51
2
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Accessing class variables from a list comprehension in the class definition
...lowing will fail:
class A:
a = 42
b = list(a + i for i in range(10))
So, to summarize: you cannot access the class scope from functions, list comprehensions or generator expressions enclosed in that scope; they act as if that scope does not exist. In Python 2, list comprehensions were ...
Are there legitimate uses for JavaScript's “with” statement?
...; i<3; ++i)
{
var num = i;
setTimeout(function() { alert(num); }, 10);
}
Because the for loop does not introduce a new scope, the same num - with a value of 2 - will be shared by all three functions.
A new scope: let and with
With the introduction of the let statement in ES6, it becomes ea...
What's wrong with using $_REQUEST[]?
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edited Feb 7 '10 at 2:27
answered Jan 26 '10 at 21:24
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What does if __name__ == “__main__”: do?
...re functionB")
def functionB():
print("Function B {}".format(math.sqrt(100)))
print("before __name__ guard")
if __name__ == '__main__':
functionA()
functionB()
print("after __name__ guard")
Special Variables
When the Python interpreter reads a source file, it first defines a few specia...