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Android Studio installation on Windows 7 fails, no JDK found

...dio. *Project Defaults* -> *Project Structure* -> Click "New" -> Select "Android SDK" -> Select the SDK folder inside the studio installation. share | improve this answer | ...
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How to debug stream().map(…) with lambda expressions?

... illustrate: 1- Press F7 (step into) key, will display the highlights (or selection mode) 2- Use Tab multiple times to select the snippet to debug 3- Press F7 (step into) key to step into share | ...
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Sockets: Discover port availability using Java

...ee = false; } return portFree; } EDIT: If all you're trying to do is select a free port then new ServerSocket(0) will find one for you. share | improve this answer | fo...
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Is there a use-case for singletons with database access in PHP?

...all one needs to maintain multiple database connections, multiple database selections, multiple database queries, multiple result sets in a given singleton is just keeping them in variables/arrays in the singleton as long as they are needed. This can be as simple as keeping them in arrays, though yo...
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PL/SQL, how to escape single quote in a string?

...a single quotation mark with two single >quotation marks in both sides. SELECT 'test single quote''' from dual; The output of the above statement would be: test single quote' Simply stating you require an additional single quote character to print a single quote >character. That is if you put ...
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Convert list of dictionaries to a pandas DataFrame

...o extract only the 0th and 2nd rows from data2 above, you can use: rows_to_select = {0, 2} for i in reversed(range(len(data2))): if i not in rows_to_select: del data2[i] pd.DataFrame(data2) # pd.DataFrame.from_dict(data2) # pd.DataFrame.from_records(data2) A B C D E 0 5...
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Are there any side effects of returning from inside a using() statement?

...nCreated descending where t.Id == singleId select t).SingleOrDefault(); } } Indeed, I might even be tempted to use dot notation, and put the Where condition within the SingleOrDefault: public static Transaction GetMostRecentTransaction(int singleId) { using...
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Why Java needs Serializable interface?

... This is clearly the better answer, I am disappointed that the selected answer is not this, it seems the posted chose with a "Im annoyed because I have to declare things serializable" agenda in mind. Its an example of some one wanting to free whell and not heed the security and design le...
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When should std::move be used on a function return value? [duplicate]

...e object to be copied is designated by an lvalue, overload resolution to select the constructor for the copy is first performed as if the object were designated by an rvalue. return foo; is a case of NRVO, so copy elision is permitted. foo is an lvalue. So the constructor selected for the "co...
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Dynamically adding a form to a Django formset with Ajax

...ice'); }); </script> In a javascript file: function cloneMore(selector, type) { var newElement = $(selector).clone(true); var total = $('#id_' + type + '-TOTAL_FORMS').val(); newElement.find(':input').each(function() { var name = $(this).attr('name').replace('-' + (t...