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How do you properly use namespaces in C++?
... this:
using namespace MyNamespace;
MyClass* pClass = new MyClass();
Edit: Following what bernhardrusch has said, I tend not to use the "using namespace x" syntax at all, I usually explicitly specify the namespace when instantiating my objects (i.e. the first example I showed).
And as you asked...
Creating a byte array from a stream
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It really depends on whether or not you can trust s.Length. For many streams, you just don't know how much data there will be. In such cases - and before .NET 4 - I'd use code like this:
public static byte[] ReadFully(Stream...
Website screenshots
Is there any way of taking a screenshot of a website in PHP, then saving it to a file?
26 Answers
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How to implement Android Pull-to-Refresh
In Android applications such as Twitter (official app), when you encounter a ListView, you can pull it down (and it will bounce back when released) to refresh the content.
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Determine a user's timezone
...a standard way for a web server to be able to determine a user's timezone within a web page?
24 Answers
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How to ignore a property in class if null, using json.net
...erty which you can set to ignore.
Here's a sample:
JsonSerializer _jsonWriter = new JsonSerializer {
NullValueHandling = NullValueHandling.Ignore
};
Alternatively, as suggested by @amit
JsonConvert.SerializeObject(myObject,
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Error type 3 Error: Activity class {} does not exist
...liJ Android project, that I successfully imported to Android Studio 0.4.0. It works perfectly if I don't change anything in manifest. However, when I want to change the launcher activity and run, it fails with this error:
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iOS: Multi-line UILabel in Auto Layout
I'm having trouble trying to achieve some very basic layout behavior with Auto Layout. My view controller looks like this in IB:
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Use of def, val, and var in scala
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This defines a new method called person. You can call this method only without () because it is defined as parameterless method. For empty-paren method, you can call it with or without '()'. If you simply write:
person
then you are calling this method (and if you don't assign the return value,...
What are inline namespaces for?
...cation of this -- can somebody please give a brief, succinct example of a situation where an inline namespace is needed and where it is the most idiomatic solution?
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