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Why declare a struct that only contains an array in C?
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It allows you to pass the array to a function by value, or get it returned by value from a function.
Structs can be passed by value, unlike arrays which decay to a pointer in these contexts.
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How to convert array values to lowercase in PHP?
How can I convert all values in an array to lowercase in PHP?
10 Answers
10
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Why does ++[[]][+[]]+[+[]] return the string “10”?
...t the first element from [[]], it is true that:
[[]][0] returns the inner array ([]). Due to references it's wrong to say [[]][0] === [], but let's call the inner array A to avoid the wrong notation.
++ before its operand means “increment by one and return the incremented result”. So ++[[]][0]...
What's the difference between echo, print, and print_r in PHP?
...f a variable, including its type and the type of any sub-items (if it's an array or an object). print_r prints a variable in a more human-readable form: strings are not quoted, type information is omitted, array sizes aren't given, etc.
var_dump is usually more useful than print_r when debugging, i...
Maximum single-sell profit
Suppose we are given an array of n integers representing stock prices on a single day. We want to find a pair (buyDay, sellDay) , with buyDay ≤ sellDay , such that if we bought the stock on buyDay and sold it on sellDay , we would maximize our profit.
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PHP: Return all dates between two dates in an array [duplicate]
...erval('P1D'),
new DateTime('2010-10-05')
);
Which should get you an array with DateTime objects.
To iterate
foreach ($period as $key => $value) {
//$value->format('Y-m-d')
}
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How to check if an array value exists?
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}
Btw, you are assigning an value with the key say twice, hence your array will result in an array with only one value.
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C pointers : pointing to an array of fixed size
... with C language.
When the specifics of your application area call for an array of specific fixed size (array size is a compile-time constant), the only proper way to pass such an array to a function is by using a pointer-to-array parameter
void foo(char (*p)[10]);
(in C++ language this is also ...
Getting all names in an enum as a String[]
...siest and/or shortest way possible to get the names of enum elements as an array of String s?
20 Answers
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orderBy multiple fields in Angular
... Note that the optional reverseOrder parameter does not support an array like the expression param does, but you can omit it and instead provide sort order on each array item so that they are reversed (or not) separately. Example: orderBy: ['group', '-sub'] will sort by group in normal fashi...