大约有 4,200 项符合查询结果(耗时:0.0218秒) [XML]
What is the use of ObservableCollection in .net?
...dy has many operations like refreshing the UI built in so you get them for free when using ObservableCollections
class Handler
{
private ObservableCollection<string> collection;
public Handler()
{
collection = new ObservableCollection<string>();
collection.C...
Return a `struct` from a function in C
...ow large does a structure have to get that a copy costs more than malloc + free?
– josefx
Mar 11 '12 at 15:56
7
...
Unnecessary curly braces in C++?
...
+1 for using block scope used to free resources as fast as possible
– Leo
Mar 15 '12 at 12:49
9
...
C++ Object Instantiation
...t of that type on the stack, and you're guaranteed that your resource gets freed when it goes out of scope. That way you don't have to track your new/delete pairs everywhere to ensure you avoid memory leaks.
The most common name for this idiom is RAII
Also look into smart pointer classes which are...
How do you use version control with Access development?
...o install a source control add-in for Microsoft Access. This shipped as a free download as a part of the Access Developer Extensions for Access 2007 and as a separate free add-in for Access 2003.
I am glad you asked this question and I took the time to look it up, as I would like this ability too....
Is there a destructor for Java?
...
...
} finally {
...
}
Here the resource that is no longer needed is freed in the BufferedReader.close() method. You can create your own class that implements AutoCloseable and use it in a similar fashion.
This statement is more limited than finalize in terms of code structuring, but at the ...
Java: PrintStream to String?
...
Don't forget to close the PrintStream to free all resources.
– tobr
Jun 20 '12 at 9:11
9
...
std::string to char*
...the devil's work seem to be missing this fact.
– Jay Freeman -saurik-
Oct 4 '13 at 1:25
3
...
How to read the content of a file to a string in C?
...y read the entire file due to errors and what not.
– freespace
Oct 6 '08 at 14:45
6
like rmeador ...
Why does integer overflow on x86 with GCC cause an infinite loop?
...irrelevant to the fact that this has undefined behaviour.
The compiler is free to use the existence of undefined behaviour to improve its optimisations, (by removing a conditional from a loop, as in this example). There is no guaranteed, or even useful, mapping between C++ level constructs and x86 ...
