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Android Studio rendering problems
I'm using Android Studio 0.2.3 and when opened an activity layout normally, the preview should appear on the right side, so that I can switch between Text and Design mode, which should again show the preview of the layout.
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How to use the “required” attribute with a “radio” input field
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edited May 7 at 10:36
answered Nov 27 '11 at 18:31
S...
How can I divide two integers to get a double?
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You want to cast the numbers:
double num3 = (double)num1/(double)num2;
Note: If any of the arguments in C# is a double, a double divide is used which results in a double. So, the following would work too:
double num3 = (double)num1/num2;
For more information s...
Why are exclamation marks used in Ruby methods?
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630
In general, methods that end in ! indicate that the method will modify the object it's called o...
Drop all duplicate rows across multiple columns in Python Pandas
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renan-eccel
9388 bronze badges
answered Dec 14 '15 at 16:38
BenBen
3,51444 gold badges1717 ...
How do I check in JavaScript if a value exists at a certain array index?
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answered Apr 20 '10 at 3:51
thomasrutterthomasrutter
101k2424 gold badges133133 silver badges156156 bronze badges
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Create empty queryset by default in django form fields
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432
You can have an empty queryset by doing this:
MyModel.objects.none()
Although i don't know h...
Escape single quote character for use in an SQLite query
... way), so it would be :
INSERT INTO table_name (field1, field2) VALUES (123, 'Hello there''s');
Relevant quote from the documentation:
A string constant is formed by enclosing the string in single quotes ('). A single quote within the string can be encoded by putting two single quotes in a ro...
git -> show list of files changed in recent commits in a specific directory
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answered Nov 5 '10 at 13:03
htanatahtanata
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Comparator.reversed() does not compile using lambda
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answered Aug 7 '14 at 3:23
Stuart MarksStuart Marks
103k3232 gold badges176176 silver badges233233 bronze badges
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