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Default template arguments for function templates
...conversion from ‘int’ to ‘int*’, any idea why: ` #include <array> #include <algorithm> #include <functional> template<typename Iterator, typename Comp = std::less<Iterator> > void my_sort(Iterator beg, Iterator end, Comp c = Comp()) { ...
Converting Secret Key into a String and Vice Versa
...
You can convert the SecretKey to a byte array (byte[]), then Base64 encode that to a String. To convert back to a SecretKey, Base64 decode the String and use it in a SecretKeySpec to rebuild your original SecretKey.
For Java 8
SecretKey to String:
// create new...
range() for floats
...
And array(range(5,50,15)) / 10.0 as numpy arrays have operators for handling division, multiplication and so on
– edvaldig
Sep 1 '11 at 7:39
...
Get Specific Columns Using “With()” Function in Laravel Eloquent
...can be done one by passing a closure function in with() as second index of array like
Post::with(array('user'=>function($query){
$query->select('id','username');
}))->get();
It will only select id and username from other table. I hope this will help others.
Remember that t...
Trying to login to RDP using AS3
...ert the data from big endian to little endian, you can use a temporary ByteArray that has its endian set to big, write data in it, then call writeBytes() on your main buffer array, then clear the temporary big endian array. Writing constants can be done manually, since you can shift the byte order y...
Jquery insert new row into table at a certain index
...ty table, or before a certain row, I have done like this:
var arr = []; //array
if (your condition) {
arr.push(row.id); //push row's id for eg: to the array
idx = arr.sort().indexOf(row.id);
if (idx === 0) {
if (arr.length === 1) { //if array size is only 1 (currently pushed item)
...
Why can't I initialize non-const static member or static array in class?
Why can't I initialize non-const static member or static array in a class?
5 Answers
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Is there a performance difference between i++ and ++i in C++?
...nore the style issues for now
// a.cc
#include <ctime>
#include <array>
class Something {
public:
Something& operator++();
Something operator++(int);
private:
std::array<int,PACKET_SIZE> data;
};
int main () {
Something s;
for (int i=0; i<1024*1024*30;...
What does 'predicate' mean in the context of computer science? [duplicate]
... some condition.
it's used as a "filter criteria" meaning
lets consider an array of numbers and a predicate that returns true if number > 0 , false other wise .
function predicate(number){
return number > 0
}
// array of numbers
var numbers = [-2 , -1 , 0 , 1 , 2];
var newNumbers = number...
Get the value of an instance variable given its name
...tual object. I ended up rewriting so instead of having many variables + an array with the names in the order I wanted, I put the parameters themselves into the array (the design decision was whether to access variables each time by searching the array or optimize by having an additional array with t...