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Why is sizeof considered an operator?
...they have evolved faster or easier notations than the generic F(x,y,z,...) form, the resulting special forms are also called operators. Examples include infix operators such as addition "+" and division "/", and postfix operators such as factorial "!". This usage is unrelated to the complexity of th...
How do you rotate a two dimensional array?
...al number of layers in the matrix. This occurs when the innermost layer is formed of only one element (i.e. a 1×1 matrix) and therefore need not be rotated. It simply gets ignored.
We will undoubtedly need this information in our function to rotate a matrix, so let’s add it now:
def rotate(matr...
C++ auto keyword. Why is it magic?
...types must match. For example, the declaration auto i = 0, d = 0.0; is ill-formed, while the declaration auto i = 0, *p = &i; is well-formed and the auto is deduced as int.
2) In a function declaration that uses the trailing return type syntax, the keyword auto does not perform automatic type d...
Disable git EOL Conversions
...n the repo.
With Git 2.8+ (March 2016), check if there are still eol transformation with:
git ls-files --eol
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Is there any algorithm in c# to singularize - pluralize a word?
...ole Wikipedia article on the English plural, which may have some helpful information too.
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“git rm --cached x” vs “git reset head -- x”?
...s in git reset:
git reset [--<mode>] [<commit>]
This form resets the current branch head to <commit> and possibly
updates the index (resetting it to the tree of <commit>) and the
working tree depending on <mode>, which must be one of the
following:
--s...
How do I insert NULL values using PDO?
...s empty or '', but insert the value when it is available.
A) Receives the form data using POST method, and calls function insert with those values.
insert( $_POST['productId'], // Will be set to NULL if empty
$_POST['productName'] ); // Will be to NULL if empty ...
android:drawableLeft margin and/or padding
... mm (millimeters).
This may also be a reference to a resource (in the form
"@[package:]type:name") or theme attribute (in the form
"?[package:][type:]name") containing a value of this type.
This corresponds to the global attribute resource symbol
drawablePadding.
...
Does Haskell require a garbage collector?
...l requires a garbage collector, since garbage collection is the highest-performance automatic dynamic memory manager.
However...
Although a garbage collector is necessary, we might try to find some special cases where the compiler can use a cheaper memory management scheme than garbage collection....
What is the usefulness of `enable_shared_from_this`?
...swered Apr 3 '09 at 2:00
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