大约有 47,000 项符合查询结果（耗时：0.0539秒） [XML]
Launching Google Maps Directions via an intent on Android
...
You could use something like this:
Intent intent = new Intent(android.content.Intent.ACTION_VIEW,
Uri.parse("http://maps.google.com/maps?saddr=20.344,34.34&daddr=20.5666,45.345"));
startActivity(intent);
To start the navigation f...
How to minify php page html output?
...e whitespace sequences
'/<!--(.|\s)*?-->/' // Remove HTML comments
);
$replace = array(
'>',
'<',
'\\1',
''
);
$buffer = preg_replace($search, $replace, $buffer);
return $buffer;
}
ob_start("sanitize_output");
?>
...
Is there a reason for C#'s reuse of the variable in a foreach?
When using lambda expressions or anonymous methods in C#, we have to be wary of the access to modified closure pitfall. For example:
...
Handling Dialogs in WPF with MVVM
...
I suggest forgoing the 1990's modal dialogs and instead implementing a control as an overlay (canvas+absolute positioning) with visibility tied to a boolean back in the VM. Closer to an ajax type control.
This is very useful:
<BooleanToVisibilityConverter x:Key="booltoVis" />
...
Practical uses for AtomicInteger
...
There are two main uses of AtomicInteger:
As an atomic counter (incrementAndGet(), etc) that can be used by many threads concurrently
As a primitive that supports compare-and-swap instruction (compareAndSet()) to implement non-blocking algorithms.
Here is an example of non-blocking random nu...
Landscape printing from HTML
...umns. It there a way to do this, without the user having to change the document settings?
16 Answers
...
Rails: How to get the model class name based on the controller class name?
...HouseBuyersController < ApplicationController
def index
@model_name = controller_name.classify
end
end
This is often needed when abstracting controller actions:
class HouseBuyersController < ApplicationController
def index
# Equivalent of @house_buyers = HouseBuyer.find(:al...
Make sure that the controller has a parameterless public constructor error
...e what to do to fix this. Is there an easy way to force it to grab the parameterless constructor or I am approaching this incorrectly?
...
Why does MYSQL higher LIMIT offset slow the query down?
...GB in size]. The higher LIMIT offset with SELECT, the slower the query becomes, when using ORDER BY *primary_key*
6 Ans...
How do you save/store objects in SharedPreferences on Android?
...lds. After login, I want to save/store these user objects. How can we implement this kind of scenario?
20 Answers
...