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*.h or *.hpp for your class definitions

I've always used a *.h file for my class definitions, but after reading some boost library code, I realised they all use *.hpp . I've always had an aversion to that file extension, I think mainly because I'm not used to it. ...
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HttpListener Access Denied

I am writing an HTTP server in C#. 10 Answers 10 ...
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Is it correct to use DIV inside FORM?

... It is totally fine . The form will submit only its input type controls ( *also Textarea , Select , etc...). You have nothing to worry about a div within a form. ...
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Is it possible to write to the console in colour in .NET?

Writing a small command line tool, it would be nice to output in different colours. Is this possible? 8 Answers ...
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Get local IP address

....ToString(); } } throw new Exception("No network adapters with an IPv4 address in the system!"); } To check if you're connected or not: System.Net.NetworkInformation.NetworkInterface.GetIsNetworkAvailable(); ...
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What's the safest way to iterate through the keys of a Perl hash?

If I have a Perl hash with a bunch of (key, value) pairs, what is the preferred method of iterating through all the keys? I have heard that using each may in some way have unintended side effects. So, is that true, and is one of the two following methods best, or is there a better way? ...
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Mercurial — revert back to old version and continue from there

I'm using Mercurial locally for a project (it's the only repo there's no pushing/pulling to/from anywhere else). 7 Answers ...
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Parse a URI String into Name-Value Collection

... If you are looking for a way to achieve it without using an external library, the following code will help you. public static Map<String, String> splitQuery(URL url) throws UnsupportedEncodingException { Map<String, String> query_pairs = new LinkedH...
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What reason is there to use null instead of undefined in JavaScript?

I've been writing JavaScript for quite a long time now, and I have never had a reason to use null . It seems that undefined is always preferable and serves the same purpose programmatically. What are some practical reasons to use null instead of undefined ? ...
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Call an activity method from a fragment

Trying to call a method in my activity from a fragment. I want the fragment to give the method data and to get the data when the method return. I want to achieve similar to call on a static method, but without the use of static because it create problems in the activity. ...