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CSS Image size, how to fill, not stretch?

... Thanks. it worked, but it crops the image from top. (see this: jsfiddle.net/x86Q7 ) Isn't there any way to crop image from center? – Mahdi Ghiasi Aug 1 '12 at 10:50 ...
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A simple scenario using wait() and notify() in java

...k another thread is scheduled. This second thread then take()'s an element from the queue, and notifies the waiting threads that the queue is no longer full. Because the first thread has already checked the condition however, it will simply call wait() after being re-scheduled, even though it could ...
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Ruby: How to turn a hash into HTTP parameters?

... Update: This functionality was removed from the gem. Julien, your self-answer is a good one, and I've shameless borrowed from it, but it doesn't properly escape reserved characters, and there are a few other edge cases where it breaks down. require "addressable/...
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How to make Twitter Bootstrap menu dropdown on hover rather than click

...y as block when the appropriate li tag is hovered over. Taking the example from the twitter bootstrap page, the selector would be as follows: ul.nav li.dropdown:hover > ul.dropdown-menu { display: block; } However, if you are using Bootstrap's responsive features, you will not want thi...
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Efficient string concatenation in C++

... When SGI took over maintenance of the STL from HP, it was retro-fitted to match the Standard Library (which is why I said "never part of HP's STL"). Nevertheless, the originator of std::string is the ISO C++ Committee. – James Curran ...
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Python truncate a long string

... If you are using Python 3.4+, you can use textwrap.shorten from the standard library: Collapse and truncate the given text to fit in the given width. First the whitespace in text is collapsed (all whitespace is replaced by single spaces). If the result fits in the width, i...
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What is App.config in C#.NET? How to use it?

... have an app.config file. Application-level config files inherit settings from global configuration files, e.g. the machine.config. Reading from the App.Config Connection strings have a predefined schema that you can use. Note that this small snippet is actually a valid app.config (or web.config)...
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Polymorphism: Why use “List list = new ArrayList” instead of “ArrayList list = new ArrayList”? [dupl

... The main reason you'd do this is to decouple your code from a specific implementation of the interface. When you write your code like this: List list = new ArrayList(); the rest of your code only knows that data is of type List, which is preferable because it allows you to s...
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Spring mvc @PathVariable

...l be populated by value 123 by spring Also note that PathVariable differs from requestParam as pathVariable is part of URL. The same url using request param would look like www.mydomain.com/order?orderId=123 API DOC Spring Official Reference ...
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Dynamically set local variable [duplicate]

...til you call locals(). In the C implementation of Python locals() (called from inside a function) creates an ordinary dictionary initialised from the current values of the local variables. Within each function any number of calls to locals() will return the same dictionary, but every call to locals...