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Difference between Covariance & Contra-variance
...orresponding type in the second set is IEnumerable<T>. Or, in short form, the mapping is T → IE<T>. Notice that this is a "thin arrow".
With me so far?
Now let's consider a relation. There is an assignment compatibility relationship between pairs of types in the first set. A value o...
How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
How can I transform between the two styles of public key format,
one format is:
5 Answers
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List files recursively in Linux CLI with path relative to the current directory
... that by "sinning" with the parsing of ls, though, which is considered bad form by the GNU and Ghostscript communities.
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MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
...edcopsey.com/2010/01/06/better-user-and-developer-experiences-from-windows-forms-to-wpf-with-mvvm-part-7-mvvm/
In your case - lets tackle some of the specifics...
Validation: This typically comes in 2 forms. The validation related
to user input would happen in the ViewModel (primarily) ...
Bigger Glyphicons
... solved.
<div class="input-group">
<input type="text" class="form-control" id="pesquisarinbox" placeholder="Pesquisar na Caixa de Entrada">
<div class="input-group-btn">
<button class="btn btn-default" type="button">
<span class="glyphicon glyp...
Does the Java &= operator apply & or &&?
...Compound Assignment Operators.
A compound assignment expression of the form E1 op= E2 is equivalent to E1 = (T)((E1) op (E2)), where T is the type of E1, except that E1 is evaluated only once.
So a &= b; is equivalent to a = a & b;.
(In some usages, the type-casting makes a difference...
How to concatenate strings in twig
...e argument, with filters on the variable and the function token itself: {{ form_open('admin/files/?path='~file_path|urlencode)|raw }} No need for an extra variable.
– Wesley Murch
Mar 9 '12 at 6:28
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Why use prefixes on member variables in C++ classes
...with Intellisense and auto-completion. Try using Intellisense on a Windows Form to find an event - you have to scroll through hundreds of mysterious base class methods that you will never need to call to find the events. But if every event had an "e" prefix, they would automatically be listed in a g...
How to show disable HTML select option in by default?
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we can disable using this technique.
<select class="form-control" name="option_select">
<option selected="true" disabled="disabled">Select option </option>
<option value="Option A">Option A</option>
<option value="Option B">Option B</o...
std::function vs template
...statically (i.e. at compile time), so the compiler has all the necessary information to optimize and possibly inline the code (which would not be possible if the call were performed through a vtable).
Yes, it is true that template support is not perfect, and C++11 is still lacking a support for con...