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Weird “[]” after Java method signature
...
It's a method that returns an int[].
Java Language Specification (8.4 Method Declarations)
For compatibility with older versions of the Java platform, a declaration form
for a method that returns an array is allowed to place (some or all of) th...
Procedure expects parameter which was not supplied
... by the addition of "or function"), rather than implicating it's aware the intent is a SQL DB stored procedure.
– Brian
Oct 15 '12 at 10:06
3
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C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
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#include <stdio.h>
struct str{
int len;
char s[0];
};
struct foo {
struct str *a;
};
int main(int argc, char** argv) {
struct foo f={0};
if (f.a->s) {
printf( f.a->s);
}
return 0;
}
...
Foreign Key to multiple tables
...g your posted schema:
create table dbo.PartyType
(
PartyTypeId tinyint primary key,
PartyTypeName varchar(10)
)
insert into dbo.PartyType
values(1, 'User'), (2, 'Group');
create table dbo.Party
(
PartyId int identity(1,1) primary key,
PartyTypeId tinyint references dbo.Par...
How to initialize all members of an array to the same value?
...to 0), there's no easy way.
Don't overlook the obvious solution, though:
int myArray[10] = { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 };
Elements with missing values will be initialized to 0:
int myArray[10] = { 1, 2 }; // initialize to 1,2,0,0,0...
So this will initialize all elements to 0:
int myArray...
Erasing elements from a vector
...
Use the remove/erase idiom:
std::vector<int>& vec = myNumbers; // use shorter name
vec.erase(std::remove(vec.begin(), vec.end(), number_in), vec.end());
What happens is that remove compacts the elements that differ from the value to be removed (number_in) ...
How to determine if a decimal/double is an integer?
How do I tell if a decimal or double value is an integer?
14 Answers
14
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How to initialize all the elements of an array to any specific value in java
... can i initialize all the elements to a specific value? Whenever we write int[] array=new int[10]; , this simply initialize an array of size 10 having all elements equal to zero. I just want to change this initialization integer for one of my array. i.e. I want to initialize an array which has all...
Find out if ListView is scrolled to the bottom?
...hen you should be able to handle things correctly.
For example:
private int preLast;
// Initialization stuff.
yourListView.setOnScrollListener(this);
// ... ... ...
@Override
public void onScroll(AbsListView lw, final int firstVisibleItem,
final int visibleItemCount, final int totalItem...
What is the purpose of Rank2Types?
...the function arrows, the caller must first pick a type for a; if they pick Int, we get f' :: forall r. Num r => (Int -> r) -> Int -> Int -> r, and now we have fixed the g argument so it can take Int but not String. If we enable RankNTypes we can annotate f' with type forall b c r. Num...