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Is there an IDictionary implementation that, on missing key, returns the default value instead of th

... Indeed, that won't be efficient at all. You could always write an extension method: public static TValue GetValueOrDefault<TKey,TValue> (this IDictionary<TKey, TValue> dictionary, TKey key) { TValue ret; // Ignore return value dic...
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Is there a max array length limit in C++?

...se memory is full. For example, a vector<int> of a given size n typically takes multiple times as much memory as an array of type vector<char> (minus a small constant value), since int is usually bigger than char. Therefore, a vector<char> may contain more items than a vector<in...
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Custom attributes - Yea or nay?

... HTML 5 explicitly allows custom attributes that begin with data. So, for example, <p data-date-changed="Jan 24 5:23 p.m.">Hello</p> is valid. Since it's officially supported by a standard, I think this is the best option for custom...
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javac : command not found

... yes, i am sure. just look at the java-1.6.0-openjdk.x86_64 package information (scroll to the "Files" section) and see that there is no javac in that package. and then look at the OpenJDK Development Environment package. – ax. Mar 23 '11 at ...
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Remove empty array elements

... of strings, you can simply use array_filter(), which conveniently handles all this for you: print_r(array_filter($linksArray)); Keep in mind that if no callback is supplied, all entries of array equal to FALSE (see converting to boolean) will be removed. So if you need to preserve elements that ...
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This type of CollectionView does not support changes to its SourceCollection from a thread different

...); but it is giving syntax error. Look like Send method is expecting some callback method name. I have tried various options like delegate with parameter but it is not allowing to have my custom parameter. I am very new to this kind of syntax, so it would really helpful if you can provide me synta...
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Difference between binary semaphore and mutex

...ere any difference between a binary semaphore and mutex or are they essentially the same? 34 Answers ...
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What is an idiomatic way of representing enums in Go?

... great examples (I did not recall the exact iota behaviour - when it is incremented - from the spec). Personally I like to give a type to an enum, so it can be type-checked when used as argument, field, etc. – mna Ja...
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Can jQuery provide the tag name?

...Name.toLowerCase(), as most DOM representations of HTML documents automatically uppercase the nodeName. – NickFitz Oct 7 '09 at 15:27 ...
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Passing variables through handlebars partial

...andlebars.js in an express.js application. To keep things modular, I split all my templates in partials. 8 Answers ...