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How to check whether a pandas DataFrame is empty?

...can happen? This situation happens when a single function is used to plot more than one DataFrame which are passed as parameter.In such a situation the function try to plot the data even when a DataFrame is empty and thus plot an empty figure!. It will make sense if simply display 'DataFrame has ...
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Sending email with attachments from C#, attachments arrive as Part 1.2 in Thunderbird

... Console.WriteLine("Unable to send email. Error : " + ex); } Read more Sending emails with attachment in C# share | improve this answer | follow | ...
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Can I disable autolayout for a specific subview at runtime?

... This looks like overkill for some more complicated cases with a lot of views. For something as simple as this, this is alright. – esh Mar 27 '14 at 7:31 ...
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XML serialization in Java? [closed]

... written to storage to later be re-hydrated as objects again. JAXB has far more features and flexibility, but it's an "80/20" kind of thing, most of the time in most projects you may need only the simple subset of features. – Basil Bourque Jul 23 '15 at 20:35 ...
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invalid byte sequence for encoding “UTF8”

... If you're running under some variant of Unix, you can check the encoding (more or less) with the file utility. $ file yourfilename yourfilename: UTF-8 Unicode English text (I think that will work on Macs in the terminal, too.) Not sure how to do that under Windows. If you use that same utility ...
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Accessing localhost:port from Android emulator

...rom the emulator's Extended controls screen. With the emulator open, click More , and then click Settings and Proxy. From here, you can define your own HTTP proxy settings. share | improve this ans...
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How do I convert a string to enum in TypeScript?

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Running karma after installation results in 'karma' is not recognized as an internal or external com

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No module named pkg_resources

... @Cerin: It would be more helpful for everybody if you say what happened when you tried. And did you use sudo, as @Nik noted above? – Michael Scheper Aug 31 '14 at 14:38 ...
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Difference between JSONObject and JSONArray

... I always use object, it is more easily extendable, JSON array is not. For example you originally had some data as a json array, then you needed to add a status header on it you'd be a bit stuck, unless you'd nested the data in an object. The only disad...