大约有 16,000 项符合查询结果（耗时：0.0483秒） [XML]
Long vs Integer, long vs int, what to use and when?
Sometimes I see API's using long or Long or int or Integer , and I can't figure how the decision is made for that?
...
How to view files in binary from bash?
...comfortable with hex just locate the bytes in which you are interested and convert them using a hex calculator.
– Duck
Nov 19 '09 at 18:38
3
...
How do I detect unsigned integer multiply overflow?
...
I see you're using unsigned integers. By definition, in C (I don't know about C++), unsigned arithmetic does not overflow ... so, at least for C, your point is moot :)
With signed integers, once there has been overflow, undefined behaviour (UB) has occ...
method overloading vs optional parameter in C# 4.0 [duplicate]
...ld implement the solution like this,
///Base foo method
public void DoFoo(int a, long b, string c)
{
//Do something
}
/// Foo with 2 params only
public void DoFoo(int a, long b)
{
/// ....
DoFoo(a, b, "Hello");
}
public void DoFoo(int a)
{
///....
DoFoo(a, 23, "Hello");
}
.....
What's the difference between IQueryable and IEnumerable
...like LINQ-to-SQL to exist because they can parse the expression tree and convert it into equivalent SQL. And because the provider doesn't need to execute until the IQueryable is enumerated (it implements IEnumerable<T>, after all), it can combine multiple query operators (in the above exampl...
Modulo operation with negative numbers
...Currently (well, GCC 5.2) the compiler seems to think that "%" returns an "int" in this case, rather than "unsigned" even when both operands are uint32_t or bigger.
– Frederick Nord
Sep 24 '16 at 14:56
...
How does the Java 'for each' loop work?
...e.iterator(); i.hasNext();) {
String item = i.next();
System.out.println(item);
}
Note that if you need to use i.remove(); in your loop, or access the actual iterator in some way, you cannot use the for ( : ) idiom, since the actual iterator is merely inferred.
As was noted by Denis Bueno...
Two-dimensional array in Swift
...
Define mutable array
// 2 dimensional array of arrays of Ints
var arr = [[Int]]()
OR:
// 2 dimensional array of arrays of Ints
var arr: [[Int]] = []
OR if you need an array of predefined size (as mentioned by @0x7fffffff in comments):
// 2 dimensional array of arrays of I...
How to map with index in Ruby?
What is the easiest way to convert
10 Answers
10
...
Can an Android Toast be longer than Toast.LENGTH_LONG?
..._DELAY);
}
and default values for duration are
private static final int LONG_DELAY = 3500; // 3.5 seconds
private static final int SHORT_DELAY = 2000; // 2 seconds
share
|
improve this answe...