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How to solve javax.net.ssl.SSLHandshakeException Error?

I connected with VPN to setup the inventory API to get product list and it works fine. Once I get the result from the web-service and i bind to UI. And also I integrated PayPal with my application for make Express checkout when I make a call for payment I'm facing this error. I use servlet for back-...
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How to sort objects by multiple keys in Python?

... u'Utley, Alex', u'Total_Points': 96.0}, {u'TOT_PTS_Misc': u'Russo, Brandon', u'Total_Points': 96.0}, {u'TOT_PTS_Misc': u'Chappell, Justin', u'Total_Points': 96.0}, {u'TOT_PTS_Misc': u'Foster, Toney', u'Total_Points': 80.0}, {u'TOT_PTS_Misc': u'Lawson, Roman', u'Total_Points': 80...
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Wait 5 seconds before executing next line

...nstance to simulate a slow async http request? – A.Grandt Sep 22 '16 at 9:17 17 If by "testing" y...
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Simple explanation of clojure protocols

I'm trying to understand clojure protocols and what problem they are supposed to solve. Does anyone have a clear explanation of the whats and whys of clojure protocols? ...
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“ImportError: No module named” when trying to run Python script

...t. I get a ImportError: No module named ..., however, if I launch ipython and import the same module in the same way through the interpreter, the module is accepted. ...
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nodejs how to read keystrokes from stdin

...ming keystrokes in a running nodejs script? If I use process.openStdin() and listen to its 'data' event then the input is buffered until the next newline, like so: ...
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Activity restart on rotation Android

In my Android application, when I rotate the device (slide out the keyboard) then my Activity is restarted ( onCreate is called). Now, this is probably how it's supposed to be, but I do a lot of initial setting up in the onCreate method, so I need either: ...
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Python append() vs. + operator on lists, why do these give different results?

...ethod however does literally what you ask: append the object on the right-hand side that you give it (the array or any other object), instead of taking its elements. An alternative Use extend() if you want to use a function that acts similar to the + operator (as others have shown here as well). It'...
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How to sum up elements of a C++ vector?

...tor.begin(); it != vector.end(); ++it) sum_of_elems += *it; Using a standard algorithm: #include <numeric> sum_of_elems = std::accumulate(vector.begin(), vector.end(), 0); Important Note: The last argument's type is used not just for the initial value, but for the type of the resu...
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Cannot use ref or out parameter in lambda expressions

...ld need to be visible on the ref parameter itself. Both within the method and in the caller. These are somewhat incompatible properties and are one of the reasons they are disallowed in lambda expressions. share ...