大约有 12,000 项符合查询结果（耗时：0.0473秒） [XML]
Mediator Vs Observer Object-Oriented Design Patterns
...e naive approach might lead to code on a button click event saying "if the Foo panel is disabled and Bar panel has a label saying "Please enter date" then don't call the server, otherwise go ahead", where with the Mediator pattern it could say "I'm just a button and have no earthly business knowing ...
Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
...urns as nil, so it would be useful to expand this explanation. array[5,0]=:foo # array is now [:peanut, :butter, :and, :jelly, nil, :foo]
– mfazekas
Jun 19 '14 at 1:34
...
How do you properly use namespaces in C++?
...'re dealing with smaller libraries. Often you can just use using namespace FooBario;, particularly if you're using a considerable number of types from a library.
– jkerian
Oct 30 '10 at 5:13
...
Why sizeof int is wrong, while sizeof(int) is right?
...le instead of explaining why the rule exists.
– Fred Foo
Oct 29 '12 at 14:08
8
@larsmans, yes, I ...
How to reuse an ostringstream?
...rst use, you'll need to add something to the buffer first w/ MSVC.
struct Foo {
std::ostringstream d_str;
Foo() {
d_str << std::ends; // Add this
}
void StrFunc(const char *);
template<class T>
inline void StrIt(const T &value) {
d_str.clea...
What are Runtime.getRuntime().totalMemory() and freeMemory()?
...ly. Lets say you start your Java process as such:
java -Xms64m -Xmx1024m Foo
Your process starts with 64mb of memory, and if and when it needs more (up to 1024m), it will allocate memory. totalMemory() corresponds to the amount of memory currently available to the JVM for Foo. If the JVM needs...
How to print a query string with parameter values when using Hibernate
...13-08-30 18:01:15,086 | binding parameter [4] as [VARCHAR] - com.mypackage.foo
2013-08-30 18:01:15,087 | binding parameter [5] as [VARCHAR] -
2013-08-30 18:01:15,087 | binding parameter [6] as [VARCHAR] -
2013-08-30 18:01:15,087 | binding parameter [7] as [VARCHAR] - TODO
2013-08-30 18:01:15,087 | b...
Chrome Dev Tools - Modify javascript and reload
...olution. Any code you add is not available in the console. E.g. adding var foo = 'bar' in a script does not expose foo to the console.
– AgmLauncher
Jun 27 '16 at 15:18
...
Rails params explained?
... url. For example, if a user's browser requested
http://www.example.com/?foo=1&boo=octopus
then params[:foo] would be "1" and params[:boo] would be "octopus".
In HTTP/HTML, the params are really just a series of key-value pairs where the key and the value are strings, but Ruby on Rails has a...
How can I call a custom Django manage.py command directly from a test driver?
...om django.core.management import call_command
call_command('my_command', 'foo', bar='baz')
share
|
improve this answer
|
follow
|
...