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Xml serialization - Hide null values
...le of the output of my class. I don't want to output the nullable integers if they are set to null.
7 Answers
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How can I detect if this dictionary key exists in C#?
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You can use ContainsKey:
if (dict.ContainsKey(key)) { ... }
or TryGetValue:
dict.TryGetValue(key, out value);
Update: according to a comment the actual class here is not an IDictionary but a PhysicalAddressDictionary, so the methods are Contai...
jQuery access input hidden value
...l()); This finds the hidden variable with id foo . This search is more specific.
– Mohammed Rafeeq
Mar 7 '14 at 12:40
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Why are private fields private to the type, not the instance?
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I think one reason it works this way is because access modifiers work at compile time. As such, determining whether or not a given object is also the current object isn't easy to do. For example, consider this code:
public class Foo
{
private int bar;
public void Baz(Foo o...
What does collation mean?
...ir accents and other features, collation changes. For example, though the different accented forms of a may exist at disparate code points, they may all need to be sorted as if they were the same letter.
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What is reflection and why is it useful?
...nown type in Java, and you would like to call a 'doSomething' method on it if one exists. Java's static typing system isn't really designed to support this unless the object conforms to a known interface, but using reflection, your code can look at the object and find out if it has a method called '...
HTML img tag: title attribute vs. alt attribute?
I was browsing Amazon and I noticed that when searching " 1TB " if you hover the mouse cursor over the stars rating image, you only see the score if using IE. If you are using another browser then the score won't show.
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AngularJS : Clear $watch
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Do you know if it's a good practice to deregister all your listeners at the end of a controller lifecycle (like on a $on('$destroy')) or AngularJS will take care of them? thanks!
– yorch
Oct 2 '13 a...
How to dynamically create generic C# object using reflection? [duplicate]
...with backtick1 for the name of the generic class, see this article.
Note: if your generic class accepts multiple types, you must include the commas when you omit the type names, for example:
Type type = typeof(IReadOnlyDictionary<,>);
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How to check if a string is a valid JSON string in JavaScript without using Try/Catch
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A comment first. The question was about not using try/catch.
If you do not mind to use it, read the answer below.
Here we just check a JSON string using a regexp, and it will work in most cases, not all cases.
Have a look around the line 450 in https://github.com/douglascrockford/JSON...