大约有 40,000 项符合查询结果（耗时：0.0431秒） [XML]
Can “this” ever be null in Java?
...g the method, but the real story is that there is no method to attempt to call.
– Claudiu
Sep 24 '10 at 17:34
5
...
Get domain name from given url
...s, that could fail.
Your code as written fails for the valid URLs:
httpfoo/bar -- relative URL with a path component that starts with http.
HTTP://example.com/ -- protocol is case-insensitive.
//example.com/ -- protocol relative URL with a host
www/foo -- a relative URL with a path component tha...
Maven: How to include jars, which are not available in reps into a J2EE project?
...o set up your own repository, perhaps this will help.
You can use the install-file goal of the maven-install-plugin to install a file to the local repository. If you create a script with a Maven invocation for each file and keep it alongside the jars, you (and anyone else with access) can easily in...
How to pass an object into a state using UI-router?
...
Actually for passing objects this is quite a nice hack :)
– Tek
Nov 1 '14 at 19:25
...
Sass and combined child selector
... combined child selector you would probably do something similar to this:
foo {
bar {
baz {
color: red;
}
}
}
If you want to reproduce the same syntax with >, you could to this:
foo {
> bar {
> baz {
color: red;
}
}
}
This compiles to this:
foo >...
Why is whitespace sometimes needed around metacharacters?
...s a list of characters that separate tokens in BASH. These characters are called metacharacters and they are |, &, ;, (, ), <, >, space and tab. On the other hand, curly braces ({ and }) are just ordinary characters that make up words.
Omitting the second space before } will do, since &am...
How can I get a resource “Folder” from inside my jar File?
...le, I would use class.getResourceAsStream and I would be fine!! What I actually want to do is to load a "Folder" within the resources folder, loop on the Files inside that Folder and get a Stream to each file and read in the content... Assume that the File names are not determined before runtime... ...
Django optional url parameters
...r, easier to follow way is to have multiple rules that matches your needs, all pointing to the same view.
urlpatterns = patterns('',
url(r'^project_config/$', views.foo),
url(r'^project_config/(?P<product>\w+)/$', views.foo),
url(r'^project_config/(?P<product>\w+)/(?P<pro...
How to call any method asynchronously in c#
...to fire-and-forget for async jobs:
using System.Threading.Tasks;
...
void Foo(){}
...
new Task(Foo).Start();
If you have methods to call that take parameters, you can use a lambda to simplify the call without having to create delegates:
void Foo2(int x, string y)
{
return;
}
...
new Task(() ...
Delete directories recursively in Java
...
With Java 7, we can finally do this with reliable symlink detection. (I don't consider Apache's commons-io to have reliable symlink detection at this time, as it doesn't handle links on Windows created with mklink.)
For the sake of history, here's...