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How to add a browser tab icon (favicon) for a website?

... Use a tool to convert your png to a ico file. You can search "favicon generator" and you can find many online tools. Place the ico address in the head with a link-tag: <link rel="shortcut icon" href="http://sstatic.net/stackoverflow/im...
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Using os.walk() to recursively traverse directories in Python

I want to navigate from the root directory to all other directories within and print the same. 13 Answers ...
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String Concatenation using '+' operator

Looking at the string class metadata, I only see the operators == and != overloaded. So how is it able to perform concatenation for the ' + ' operator? ...
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How to change spinner text size and text color?

In my Android application, I am using spinner, and I have loaded data from the SQLite database into the spinner, and it's working properly. Here is the code for that. ...
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Why does AuthorizeAttribute redirect to the login page for authentication and authorization failures

...ons of the HTTP specification used status code 401 for both "unauthorized" and "unauthenticated". From the original specification: If the request already included Authorization credentials, then the 401 response indicates that authorization has been refused for those credentials. In fact, yo...
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ExecutorService, how to wait for all tasks to finish

... if asked.) This avoids all the manual shutdown, awaitTermination, etc... and allows you to reuse this ExecutorService neatly for multiple cycles, if desired. There are a few related questions on SO: How to wait for all threads to finish Return values from java threads invokeAll() not willing to...
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What is the use of ObservableCollection in .net?

...es to the collection (add, move, remove) occur. It is used heavily in WPF and Silverlight but its use is not limited to there. Code can add event handlers to see when the collection has changed and then react through the event handler to do some additional processing. This may be changing a UI or...
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SQL Server: Maximum character length of object names

...mes can only be up to 116 character long. It is perfectly explained here. And the verification can be easily made with the following script contained in the blog post before: DECLARE @i NVARCHAR(800) SELECT @i = REPLICATE('A', 116) SELECT @i = 'CREATE TABLE #'+@i+'(i int)' PRINT @i EXEC(@i) ...
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How to make a class JSON serializable

...you want more customized output then you will have to subclass JSONEncoder and implement your own custom serialization. For a trivial example, see below. >>> from json import JSONEncoder >>> class MyEncoder(JSONEncoder): def default(self, o): return o.__dict_...
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How to add Web API to an existing ASP.NET MVC 4 Web Application project?

... I upgraded a project from MVC3 to 4 as well and also needed to add a reference to System.Web.Http. – Damien Sawyer Oct 16 '12 at 22:16 3 ...