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Disposing WPF User Controls

...sed by a third party. My control has a private member which is disposable, and I would like to ensure that its dispose method will always get called once the containing window/application is closed. However, UserControl is not disposable. I tried implementing the IDisposable interface and subscribin...
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Turn Pandas Multi-Index into column

... The reset_index() is a pandas DataFrame method that will transfer index values into the DataFrame as columns. The default setting for the parameter is drop=False (which will keep the index values as columns). All you have to do add .reset_index(in...
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Keyword not supported: “data source” initializing Entity Framework Context

I'm initializing Entity Framework Object context, and this gives me the keyword not supported error: 6 Answers ...
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How to open a file using the open with statement

I'm looking at how to do file input and output in Python. I've written the following code to read a list of names (one per line) from a file into another file while checking a name against the names in the file and appending text to the occurrences in the file. The code works. Could it be done bette...
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ssh: The authenticity of host 'hostname' can't be established

When i ssh to a machine, sometime i get this error warning and it prompts to say "yes" or "no". This cause some trouble when running from scripts that automatically ssh to other machines. ...
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What is CDATA in HTML? [duplicate]

What is the use of CDATA inside JavaScript tags and HTML? 6 Answers 6 ...
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How can you debug a CORS request with cURL?

...e --verbose flag prints out the entire response so you can see the request and response headers. The url I'm using above is a sample request to a Google API that supports CORS, but you can substitute in whatever url you are testing. The response should include the Access-Control-Allow-Origin heade...
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How to include another XHTML in XHTML using JSF 2.0 Facelets?

....xhtml. Do note that you don't need to repeat <html>, <h:head> and <h:body> inside the include file as that would otherwise result in invalid HTML. You can use a dynamic EL expression in <ui:include src>. See also How to ajax-refresh dynamic include content by navigation menu...
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IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager

... is a known bug in the support package. If you need to save the instance and add something to your outState Bundle you can use the following: @Override protected void onSaveInstanceState(Bundle outState) { outState.putString("WORKAROUND_FOR_BUG_19917_KEY", "WORKAROUND_FOR_BUG_19917_VALUE"); ...
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How can I write to the console in PHP?

... Firefox you can use an extension called FirePHP which enables the logging and dumping of information from your PHP applications to the console. This is an addon to the awesome web development extension Firebug. http://www.studytrails.com/blog/using-firephp-in-firefox-to-debug-php/ Chrome Howev...