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How do pointer to pointers work in C?
...--+----+----+----+----+
What you can see here, is that at address 63 the string "hello" starts. So in this case, if this is the only occurrence of "hello" in memory then,
const char *c = "hello";
... defines c to be a pointer to the (read-only) string "hello", and thus contains the value 63. c ...
What is the difference between URI, URL and URN? [duplicate]
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Uniform Resource Identifier (URI) is a string of characters used to identify a name or a resource on the Internet
A URI identifies a resource either by location, or a name, or both. A URI has two specializations known as URL and URN.
A Uniform Resource Locator (...
What's the best way to unit test protected & private methods in Ruby?
...------------------------------ Object#instance_eval
obj.instance_eval(string [, filename [, lineno]] ) => obj
obj.instance_eval {| | block } => obj
------------------------------------------------------------------------
Evaluates a string containing Ruby...
Difference between a SOAP message and a WSDL?
...;
<xsd:sequence>
<xsd:element name="ISBN" type="string"/>
<xsd:element name="Title" type="string"/>
<xsd:element name="NumPages" type="integer"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
&...
How to automatically remove trailing whitespace in Visual Studio 2008?
...Options.vsFindOptionsRegularExpression, _
String.Empty, _
vsFindTarget.vsFindTargetCurrentDocument, , , _
vsFindResultsLocation.vsFindResultsNone)
saved = True
document.Save()
...
In an array of objects, fastest way to find the index of an object whose attributes match a search
... @ZeroAbsolute Your applied function (passed to map) can return a hash string which should provide a unique key for each possible combination given by your criteria. For example: function hashf(el) { return String(el.id) + "_" + String(el.name); }. This is just a hint: elementPos = array.map(has...
Ternary operator in AngularJS templates
...-class takes an expression that must evaluate to one of the following:
a string of space-delimited class names
an array of class names
a map/object of class names to boolean values.
An example of 1) was given above. Here is an example of 3, which I think reads much better:
<li ng-class="...
Setting PayPal return URL and making it auto return?
...--------------------------------------------------------------
$product_id_string = $_POST['custom'];
$product_id_string = rtrim($product_id_string, ","); // remove last comma
// Explode the string, make it an array, then query all the prices out, add them up, and make sure they match the payment_gr...
Difference between LoadFile and LoadFrom with .NET Assemblies?
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Why do you check two string references for value equality with string.Compare(x, y) == 0? I think you want x == y there? If for obscure reasons you do want culture-dependent equality check, it is more clear to write string.Equals(x, y, StringComp...
Update MongoDB field using value of another field
....0
The way we do this is by $projecting our documents and use the $concat string aggregation operator to return the concatenated string.
we From there, you then iterate the cursor and use the $set update operator to add the new field to your documents using bulk operations for maximum efficiency.
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