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C++ template typedef
...;
The type Vector<3> is equivalent to Matrix<3, 1>.
In C++03, the closest approximation was:
template <size_t N>
struct Vector
{
typedef Matrix<N, 1> type;
};
Here, the type Vector<3>::type is equivalent to Matrix<3, 1>.
...
is guava-libraries available in maven repo?
...
Starting from r03, Guava releases may be found in the central Maven repository.
You may include Guava by adding the following dependency to your POM:
<dependency>
<groupId>com.google.guava</groupId>
<artifactI...
jQuery Plugin: Adding Callback functionality
... var options = $.extend({
callback: function() {}
}, arguments[0] || {});
// call the callback and apply the scope:
options.callback.call(this);
};
Use it like this:
$('.elem').myPlugin({
callback: function() {
// some action
}
});
...
Reference alias (calculated in SELECT) in WHERE clause
... - CreditTotal) AS BalanceDue
FROM Invoices
) AS x
WHERE BalanceDue > 0;
Or just repeat the expression:
SELECT (InvoiceTotal - PaymentTotal - CreditTotal) AS BalanceDue
FROM Invoices
WHERE (InvoiceTotal - PaymentTotal - CreditTotal) > 0;
I prefer the latter. If the expression is extre...
What is the default initialization of an array in Java?
...hing that holds an object) that is null.
For int/short/byte/long that is a 0.
For float/double that is a 0.0
For booleans that is a false.
For char that is the null character '\u0000' (whose decimal equivalent is 0).
When you create an array of something, all entries are also zeroed. So your arra...
Why does Python print unicode characters when the default encoding is ASCII?
...
104
Thanks to bits and pieces from various replies, I think we can stitch up an explanation.
By t...
Modulus % in Django template
...osts %}
<div class="post width1 height2 column {% if forloop.counter0|divisibleby:4 %}first{% endif %}">
<div class="preview">
</div>
<div class="overlay">
</div>
<h2>p.title</h2>
</div>
{% endfor %}
...
PHP String to Float
...
205
$rootbeer = (float) $InvoicedUnits;
Should do it for you. Check out Type-Juggling. You should...
curl -GET and -X GET
...
270
By default you use curl without explicitly saying which request method to use. If you just pass ...
Check if list contains any of another list
...
201
You could use a nested Any() for this check which is available on any Enumerable:
bool hasMatc...