大约有 42,000 项符合查询结果（耗时：0.0503秒） [XML]
What is the difference between “px”, “dip”, “dp” and “sp”?
... 240 360
Density (factor of baseline 160) 1.0 1.5
Density-independent pixels 240 240
(“dip” or “dp” or “dps”)
Scale-independent pixels
(“sip” or “sp”) Depend...
Performance surprise with “as” and nullable types
...out a dozen instructions. This needed to be really efficient back in .NET 1.0 when boxing was common.
Casting to int? takes a lot more work. The value representation of the boxed integer is not compatible with the memory layout of Nullable<int>. A conversion is required and the code is tri...
What is the bower (and npm) version syntax?
...ular": "~1"
... it's the same as...
"angular": "1.x"
or:
"angular": "^1.0.0"
...and matches any minor- or patch-level changes above 1.0.0, and less than 2.0:
Note that last variation above: it's called a 'caret range'. The caret looks an awful lot like a >, so you'd be excused for thinkin...
Java EE web development, where do I start and what skills do I need? [closed]
... covers that. Thus do definitely not pick an old book for Java EE 5 or JSF 1.0 or so while there's currently already Jakarta EE 8 and JSF 2.3 available.
Last but not least, please ignore code snippet scraping sites maintained by amateurs with primary focus on advertisement income instead of on teach...
What breaking changes are introduced in C++11?
...ing of narrowing conversions during aggregate initialization:
int a[] = { 1.0 }; // error
Edit: Just rememberer, std::identity<T> will be removed in C++0x (see the note). It's a convenience struct to make types dependent. Since the struct really doesn't do much, this should fix it:
templ...
Evaluating a mathematical expression in a string
..._builtins__':None})
Note that while python normally treats 1 + 1. as 1 + 1.0, this will remove the trailing . and leave you with 1 + 1. You could add ),, and EOF to the list of things allowed to follow ., but why bother?
...
How do I give text or an image a transparent background using CSS?
...p-equiv="X-UA-Compatible" content="IE=edge" >
<title>An XHTML 1.0 Strict standard template</title>
<meta http-equiv="content-type" content="text/html;charset=utf-8" />
<style type="text/css" media="all">
.transparent-background-with-text-and-images-on...
Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?
... out.close();
}
}
}
The web.xml file contains:
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xm...
XmlSerializer: remove unnecessary xsi and xsd namespaces
... }
}
}
}
To get the following XML:
<?xml version="1.0"?>
<Person xmlns="http://www.something.org/schema">
<FirstName>Donald</FirstName>
<LastName>Duck</LastName>
</Person>
If you don't want the namespace, just set DEFAULT_NAMESPAC...
ASP.NET MVC View Engine Comparison
... the .NET
platform, using the F# language.
Pros:
NDjango release 0.9.1.0 seems to be more stable under stress than WebFormViewEngine
Django Template Editor with syntax colorization, code completion, and as-you-type diagnostics (VS2010 only)
Integrated with ASP.NET, Castle MonoRail and Bistro M...