大约有 16,000 项符合查询结果（耗时：0.0196秒） [XML]
How to view the assembly behind the code using Visual C++?
...in visual studio (and eclipse too). For this in Visual Studio put a breakpoint on code in question and when debugger hits it rigth click and find "Go To Assembly" ( or press CTRL+ALT+D )
Second approach is to generate assembly listings while compiling. For this go to project settings -> C/C++ -&...
SQL RANK() versus ROW_NUMBER()
...
This article covers an interesting relationship between ROW_NUMBER() and DENSE_RANK() (the RANK() function is not treated specifically). When you need a generated ROW_NUMBER() on a SELECT DISTINCT statement, the ROW_NUMBER() will produce distinct v...
Is the C# static constructor thread safe?
...ingleton, you get the handler and can put the code requiring the singleton into a using block to handle the release.
– CodexArcanum
Aug 19 '10 at 17:23
5
...
Abstract Class vs Interface in C++ [duplicate]
...al question about C++. As you know, there is no clear distinction between interface and abstract class in C++ unlike Java and C#. When would it be more preferrable to use an interface instead of an abstract class in C++? Could you give some examples?
...
HashMap with multiple values under the same key
...ike ArrayListMultimap yourself... or just use a HashMap<String, List<Integer>> or whatever. You'd need to create an empty list any time a value is added for the first time, basically.
– Jon Skeet
Feb 10 '11 at 18:20
...
C-like structures in Python
...or your basic example, but also covers a bunch of edge cases you might run into later as well. Your fragment above would be written as:
from collections import namedtuple
MyStruct = namedtuple("MyStruct", "field1 field2 field3")
The newly created type can be used like this:
m = MyStruct("foo", "...
What is the best way to iterate over a dictionary?
...r item in myDictionary.Keys)
{
foo(item);
}
And lastly, if you're only interested in the values:
foreach(var item in myDictionary.Values)
{
foo(item);
}
(Take note that the var keyword is an optional C# 3.0 and above feature, you could also use the exact type of your keys/values here)
...
Composite Key with EF 4.1 Code First
...rder:
public class ActivityType
{
[Key, Column(Order = 0)]
public int ActivityID { get; set; }
[Key, Column(Order = 1)]
[Required(ErrorMessage = "A ActivityName is required")]
[StringLength(50, ErrorMessage = "Activity Name must not exceed 50 characters")]
public string Act...
When is each sorting algorithm used? [closed]
...gorithm is preferred over others - merge sort vs QuickSort vs heapsort vs 'intro sort', etc?
5 Answers
...
Where are static methods and static variables stored in Java?
...p (young/old generation or survivor space). Those objects (unless they are internal objects like classes etc.) are not stored in PermGen space.
Example:
static int i = 1; //the value 1 is stored in the PermGen section
static Object o = new SomeObject(); //the reference(pointer/memory address) is s...