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What does “Memory allocated at compile time” really mean?
... allocated inside the process memory map.
For example, consider a global array:
int array[100];
The compiler knows at compile-time the size of the array and the size of an int, so it knows the entire size of the array at compile-time. Also a global variable has static storage duration by defaul...
Convert array of integers to comma-separated string
...
Pre .NET 4 string.Join(",", Array.ConvertAll(arr, i => i.ToString()))
– TPAKTOPA
Dec 12 '14 at 14:06
...
how to File.listFiles in alphabetical order?
...ithout a filter does not guarantee any order.
It does, however, return an array, which you can sort with Arrays.sort().
File[] files = XMLDirectory.listFiles(filter_xml_files);
Arrays.sort(files);
for(File _xml_file : files) {
...
}
This works because File is a comparable class, which by def...
Why is the use of alloca() not considered good practice?
...really no problem with it that you wouldn't also have with declaring large arrays?
– T.E.D.
Jun 19 '09 at 16:32
95
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How to detect if multiple keys are pressed at once using JavaScript?
...ncept
The way I do it is like this:
var map = {}; // You could also use an array
onkeydown = onkeyup = function(e){
e = e || event; // to deal with IE
map[e.keyCode] = e.type == 'keydown';
/* insert conditional here */
}
This code is very simple: Since the computer only passes one keyst...
How to pass all arguments passed to my bash script to a function of mine? [duplicate]
... you can do this without messing with the argument list using a variant of array slicing: "${@:3}" will get you the arguments starting with "$3". "${@:3:4}" will get you up to four arguments starting at "$3" (i.e. "$3" "$4" "$5" "$6"), if that many arguments were passed.
Things you probably don't w...
Limiting number of displayed results when using ngRepeat
...pect this would be less efficient than using limitToFilter if it's a large array, because every item presumably has to be evaluated
– rom99
Aug 5 '15 at 16:44
3
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Difference between `constexpr` and `const`
...that require compile-time evaluation, for example, template parameters and array-size specifiers:
template<int N>
class fixed_size_list
{ /*...*/ };
fixed_size_list<X> mylist; // X must be an integer constant expression
int numbers[X]; // X must be an integer constant expre...
getting the last item in a javascript object
...na and so on. If you need to rely on ordering, your best bet is to go with arrays. The power of key-value data structures lies in accessing values by their keys, not in being able to get the nth item of the object.
share
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How to get Spinner value?
...ing that is displayed to the user), but not its value if you mapped an int array onto the spinner for example.
– A. Steenbergen
Feb 5 '15 at 13:58
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