大约有 16,000 项符合查询结果（耗时：0.0296秒） [XML]
How to sort an ArrayList in Java [duplicate]
...
List<Fruit> fruits= new ArrayList<Fruit>();
Fruit fruit;
for(int i = 0; i < 100; i++)
{
fruit = new Fruit();
fruit.setname(...);
fruits.add(fruit);
}
// Sorting
Collections.sort(fruits, new Comparator<Fruit>() {
@Override
public int compare(Fruit fruit2,...
What's the point of having pointers in Go?
I know that pointers in Go allow mutation of a function's arguments, but wouldn't it have been simpler if they adopted just references (with appropriate const or mutable qualifiers). Now we have pointers and for some built-in types like maps and channels implicit pass by reference.
...
Determining if a number is either a multiple of ten or within a particular set of ranges
...iven a better idea of what you are doing, I'd write the second one as:
int getRow(int num) {
return (num - 1) / 10;
}
if (getRow(num) % 2 == 0) {
}
It's the same logic, but by using the function we get a clearer idea of what it means.
...
C# Error: Parent does not contain a constructor that takes 0 arguments
...
To correct the situation, you need to add an explicit call:
public Child(int i) : base(i)
{
Console.WriteLine("child");
}
Or, you can just add a parameterless parent constructor:
protected Parent() { }
share
...
How do you automatically resize columns in a DataGridView control AND allow the user to resize the c
...ode.Fill;
//datagrid has calculated it's widths so we can store them
for (int i = 0; i <= grd.Columns.Count - 1; i++) {
//store autosized widths
int colw = grd.Columns[i].Width;
//remove autosizing
grd.Columns[i].AutoSizeMode = DataGridViewAutoSizeColumnMode.None;
//set width...
Will strlen be calculated multiple times if used in a loop condition?
...ange, but I personally wouldn't rely on that.
I'd do something like
for (int i = 0, n = strlen(ss); i < n; ++i)
or possibly
for (int i = 0; ss[i]; ++i)
as long as the string isn't going to change length during the iteration. If it might, then you'll need to either call strlen() each time, ...
What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]
...itudes go from -90 to 90 degrees...so only need 2 places left of decimal point...
– dotjoe
Apr 10 '15 at 19:21
|
show 7 more comments
...
When should I use the HashSet type?
... contradicts what you say about order not being a property of a set - or points out to a misunderstanding from the development team.
– Veverke
Aug 3 '16 at 16:07
...
Java: using switch statement with enum under subclass
... the case statement so it can only be one enum.
– sprinter
Dec 23 '15 at 1:49
|
show 4 more comments
...
How to get the current directory in a C program?
...ing at opendir() and telldir() , but telldir() returns a off_t (long int) , so it really doesn't help me.
6 Answers
...