大约有 16,000 项符合查询结果(耗时:0.0420秒) [XML]
How to get position of a certain element in strings vector, to use it as an index in ints vector?
...ment in a vector of strings , to use it as an index in another vector of int type, is this possible ?
3 Answers
...
Clang vs GCC for my Linux Development project
...Clang's extremely clear diagnostics are definitely easier for beginners to interpret.
Consider this simple snippet:
#include <string>
#include <iostream>
struct Student {
std::string surname;
std::string givenname;
}
std::ostream& operator<<(std::ostream& out, Student c...
Why can't an anonymous method be assigned to var?
...
Others have already pointed out that there are infinitely many possible delegate types that you could have meant; what is so special about Func that it deserves to be the default instead of Predicate or Action or any other possibility? And, for la...
Is it Linq or Lambda?
... hood. The first is meant to be more user friendly/easier and the compiler converts it to method calls behind the scenes. They should work the same for any given query though of course the compiler may choose a sligthly different interpretation of a complicated linq query than you would when convert...
ImageView - have height match width?
... Library 26.0.0. This is the new way to do it:
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ImageView
android:layout_width="wrap_content"
android:layout_height="0dp"
app:layout_c...
What does “yield break;” do in C#?
...unction as an iterator, the body of the function may look like this:
for (int i = 0; i < 5; i++)
{
yield return i;
}
Console.Out.WriteLine("You will see me");
Note that after the loop has completed all its cycles, the last line gets executed and you will see the message in your console ap...
Why should I use var instead of a type? [duplicate]
...
I don't agree with this point at all - the compiler may generate the same bytecode for both but from a code readability/maintenance point of view surely its better for variables to be clearly typed - it avoids ambiguity and makes it clearer to read an...
Syntax of for-loop in SQL Server
...
It interesting to note the the MS documentation is wrong here, really. WHILE doesn't take a boolean expression - it takes a predicate - which in addition to being able to evaluate to TRUE or FALSE, could also be UNKNOWN.
...
How to get month name from Calendar
Is there a oneliner to get the name of the month when we know int monthNumber = calendar.get(Calendar.MONTH) ? Or what is the easiest way?
...
Difference between class and type
...
A class is a type. An interface is a type. A primitive is a type. An array is a type.
Therefore, every type is also either a class (including an enum constant), an interface, a primitive, or an array.
There are two distinct categories of types:...