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The SMTP server requires a secure connection or the client was not authenticated. The server respons

I want to send an email from my application and i have written following code for sending mail 19 Answers ...
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Set markers for individual points on a line in Matplotlib

... Specify the keyword args linestyle and/or marker in your call to plot. For example, using a dashed line and blue circle markers: plt.plot(range(10), linestyle='--', marker='o', color='b') A shortcut call for the same thing: plt.plot(range(10), '--bo') ...
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Different dependencies for different build profiles

...A profile element contains both an optional activation (a profile trigger) and the set of changes to be made to the POM if that profile has been activated. For example, a project built for a test environment may point to a different database than that of the final deployment. Or dependencies may be ...
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In which order do CSS stylesheets override?

... more general ones. Specificity is defined based on how many IDs, classes, and element names are involved, as well as whether the !important declaration was used. When multiple rules of the same "specificity level" exist, whichever one appears last wins. ...
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How to handle AccessViolationException

.... The odd thing is that I have wrapped my call in a try catch, which has handlers for AccessViolationException, COMException and everything else, but when Visual Studio (2010) intercepts the AccessViolationException, the debugger breaks on the method call (doc.OCR), and if I step through, it contin...
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Select a Dictionary with LINQ

I have used the "select" keyword and extension method to return an IEnumerable<T> with LINQ, but I have a need to return a generic Dictionary<T1, T2> and can't figure it out. The example I learned this from used something in a form similar to the following: ...
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How to export DataTable to Excel

...er(); wb.Worksheets.Add(dt,"WorksheetName"); The developer is responsive and helpful. The project is actively developed, and the documentation is superb. share | improve this answer | ...
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What is the meaning of addToBackStack with null parameter?

...ction is saved to the back stack so the user can reverse the transaction and bring back the previous fragment by pressing the Back button. If you add multiple changes to the transaction (such as another add() or remove()) and call addToBackStack(), then all changes applied before you ca...
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Thread-safe List property

... Like List<T> and unlike Dictionary, ConcurrentBag accepts duplicates. – The Light May 24 '12 at 9:17 122 ...
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Debugging automatic properties

... Briliant. Thanks. I don't need to change automatic properties to standard one (with field) anymore. And no more recompilation:) – Marek Kwiendacz Jul 16 '11 at 22:24 9 ...