大约有 26,000 项符合查询结果(耗时:0.0441秒) [XML]

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How do I give text or an image a transparent background using CSS?

Is it possible, using CSS only, to make the background of an element semi-transparent but have the content (text & images) of the element opaque? ...
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Why can't the C# constructor infer type?

...is type inference not supported for constructors the way it is for generic methods? 5 Answers ...
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What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?

I am learning advanced PHP standards and trying to implement new and useful methods. Earlier I was using __autoload just to escape including multiple files on each page, but recently I have seen a tip on __autoload manual ...
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Generic type parameter naming convention for Java (with multiple chars)?

In some interfaces I wrote I'd like to name generic type parameters with more than one character to make the code more readable. ...
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How can I declare and use Boolean variables in a shell script?

... Revised Answer (Feb 12, 2014) the_world_is_flat=true # ...do something interesting... if [ "$the_world_is_flat" = true ] ; then echo 'Be careful not to fall off!' fi Original Answer Caveats: https://stackoverflow.com/a/21210966/89391 the_world_is_flat=true # ...do something int...
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How do I create a WPF Rounded Corner container?

...d like to have a WPF Rounded Corner container to place a bunch of other elements within. Does anyone have some suggestions or sample code on how we can best accomplish this? Either with styles on a or with creating a custom control? ...
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Understanding checked vs unchecked exceptions in Java

...most languages don't have them. So you can always throw a subclass of RuntimeException (unchecked exception) However, I think checked exceptions are useful - they are used when you want to force the user of your API to think how to handle the exceptional situation (if it is recoverable). It's just ...
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Private virtual method in C++

What is the advantage of making a private method virtual in C++? 5 Answers 5 ...
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What is Unicode, UTF-8, UTF-16?

... researched this on Google and searched here as well but it's not clear to me. 9 Answers ...
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Create the perfect JPA entity [closed]

I've been working with JPA (implementation Hibernate) for some time now and each time I need to create entities I find myself struggling with issues as AccessType, immutable properties, equals/hashCode, ... . So I decided to try and find out the general best practice for each issue and write this ...