大约有 22,536 项符合查询结果（耗时：0.0353秒） [XML]
What's the best UML diagramming tool? [closed]
...
For my simple & short UML working,
I've used this tool:
StarUML - http://staruml.sourceforge.net/en/
Great free software for UML drawing.
Although the original Star UML is no longer maintained, there's now a fork called White Star UML, which is actively developed.
...
Are global variables in PHP considered bad practice? If so, why?
...les aren't really global in PHP. The scope of a typical PHP program is one HTTP request. Session variables actually have a wider scope than PHP "global" variables because they typically encompass many HTTP requests.
Often (always?) you can call member functions in methods like preg_replace_callback...
Eager load polymorphic
...ssociations are only supported by preload. It's in the documentation here: http://api.rubyonrails.org/v5.1/classes/ActiveRecord/EagerLoadPolymorphicError.html
So always use preload for polymorphic associations. There is one caveat for this: you cannot query the polymorphic assocition in where claus...
__FILE__, __LINE__, and __FUNCTION__ usage in C++
...kely dominate at some point in the future when C++20 becomes widespread:
https://en.cppreference.com/w/cpp/utility/source_location
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1208r5.pdf
The documentation says:
constexpr const char* function_name() const noexcept;
6 Returns:...
Comparing object properties in c# [closed]
...roperties and methods).
/// </summary>
/// <see cref="http://stackoverflow.com/questions/2442534/how-to-test-if-type-is-primitive"/>
public static bool IsSimpleType(
this Type type)
{
return
type.IsValueType ||
type.IsPrim...
Why is HttpClient BaseAddress not working?
...relative URI passed to the GetAsync method -- or whichever other method of HttpClient -- only one permutation works. You must place a slash at the end of the BaseAddress, and you must not place a slash at the beginning of your relative URI, as in the following example.
using (var handler = new Htt...
List all svn:externals recursively?
...f the external.. ie if i have lib\my_ex as an external i only get my_ex http:/svnlinkhere
– ShoeLace
Jun 17 '09 at 15:47
4
...
Generate random numbers uniformly over an entire range
...;< "\n";
}
Even if one is not interested in the library, the website (http://www.pcg-random.org/) provides many interesting articles about the theme of random number generation in general and the C++ library in particular.
Boost.Random
Boost.Random (documentation) is the library which inspire...
How to override trait function and call it from the overridden function?
...TraitChildClass())->calc(2); // will print 6.5
You can see it work at http://sandbox.onlinephpfunctions.com/code/e53f6e8f9834aea5e038aec4766ac7e1c19cc2b5
share
|
improve this answer
|
...
C++, Free-Store vs Heap
...
See http://www.gotw.ca/gotw/009.htm; it can describe the differences between the heap and the free-store far better than I could:
Free-store:
The free store is one of the two
dynamic memory areas, allocated/freed
by new/...