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“unmappable character for encoding” warning in Java
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Use the "\uxxxx" escape format.
According to Wikipedia, the copyright symbol is unicode U+00A9 so your line should read:
String copyright = "\u00a9 2003-2008 My Company. All rights reserved.";
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What does default(object); do in C#?
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if(NoDataIsAvailable) {
value = default(T); // because I have to set it to *something*
return false;
}
value = GetData();
return true;
}
As it happens, I also use it in some code-generation, where it is a pain to initialize fields / variables - but if you know the ...
Differences in boolean operators: & vs && and | vs ||
...r && and || but what are & and | ? Please explain these to me with an example.
11 Answers
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Apply CSS styles to an element depending on its child elements
Is it possible to define a CSS style for an element, that is only applied if the matching element contains a specific element (as the direct child item)?
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Can an enum class be converted to the underlying type?
Is there a way to convert an enum class field to the underlying type? I thought this would be automatic, but apparently not.
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How do you clone a Git repository into a specific folder?
Executing the command git clone git@github.com:whatever creates a directory in my current folder named whatever , and drops the contents of the Git repository into that folder:
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When is it better to use an NSSet over an NSArray?
...inding items in the collection.
The reason is that a set uses hash values to find items (like a dictionary) while an array has to iterate over its entire contents to find a particular object.
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Best way to extract a subvector from a vector?
Suppose I have a std::vector (let's call it myVec ) of size N . What's the simplest way to construct a new vector consisting of a copy of elements X through Y, where 0
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How to find out client ID of component for ajax update/render? Cannot find component with expression
The following code is inspired from PrimeFaces DataGrid + DataTable Tutorials and put into a <p:tab> of a <p:tabView> residing in a <p:layoutUnit> of a <p:layout> . Here is the inner part of the code (starting from p:tab component); the outer part is trivial.
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How do I get an animated gif to work in WPF?
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I couldn't get the most popular answer to this question (above by Dario) to work properly. The result was weird, choppy animation with weird artifacts.
Best solution I have found so far:
https://github.com/XamlAnimatedGif/WpfAnimatedGif
You can install it with Nu...