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Casting a variable using a Type variable
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Here is an example of a cast and a convert:
using System;
public T CastObject<T>(object input) {
return (T) input;
}
public T ConvertObject<T>(object input) {
return (T) Convert.ChangeType(input, typeof(T));
}
Edit:
Some people ...
Converting bool to text in C++
Maybe this is a dumb question, but is there any way to convert a boolean value to a string such that 1 turns to "true" and 0 turns to "false"? I could just use an if statement, but it would be nice to know if there is a way to do that with the language or standard libraries. Plus, I'm a pedant. :...
How do I convert an NSString value to NSData?
How do I convert an NSString value to NSData ?
11 Answers
11
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Converting from IEnumerable to List [duplicate]
I want to convert from IEnumerable<Contact> to List<Contact> . How can I do this?
5 Answers
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How do you convert epoch time in C#?
How do you convert Unix epoch time into real time in C#? (Epoch beginning 1/1/1970)
14 Answers
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How do I convert a PDF document to a preview image in PHP? [closed]
...n conjunction with GhostScript. Run the ghostscript command with exec() to convert a PDF to JPG, and manipulate the resulting file with imagecreatefromjpeg().
Run the ghostscript command:
exec('gs -dSAFER -dBATCH -sDEVICE=jpeg -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -r300 -sOutputFile=whatever.jp...
How to bind inverse boolean properties in WPF?
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You can use a ValueConverter that inverts a bool property for you.
XAML:
IsEnabled="{Binding Path=IsReadOnly, Converter={StaticResource InverseBooleanConverter}}"
Converter:
[ValueConversion(typeof(bool), typeof(bool))]
public class In...
Converting XML to JSON using Python?
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There is no "one-to-one" mapping between XML and JSON, so converting one to the other necessarily requires some understanding of what you want to do with the results.
That being said, Python's standard library has several modules for parsing XML (including DOM, SAX, and ElementTree...
Compare two objects' properties to find differences?
... How to get the difference of two sets?
The fastest way I've found is to convert the sets to dictionaries first, then diff 'em. Here's a generic approach:
static IEnumerable<T> DictionaryDiff<K, T>(Dictionary<K, T> d1, Dictionary<K, T> d2)
{
return from x in d1 where...
Polymorphism in C++
...ndard conversion sequence will be applied to an expression if necessary to convert it to a required destination type.
These conversions allow code such as:
double a(double x) { return x + 2; }
a(3.14);
a(42);
Applying the earlier test:
To be polymorphic, [a()] must be able to operate with...