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How to install psycopg2 with “pip” on Python?
I'm using virtualenv and I need to install "psycopg2".
33 Answers
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How to perform mouseover function in Selenium WebDriver using Java?
I want to do mouseover function over a drop down menu. When we hover over the menu, it will show the new options.
I tried to click the new options using the xpath. But cannot click the menus directly.
So, as the manual way I am trying to hover over the drop down menu and then will click the new opti...
Adding elements to object
I need to populate a json file, now I have something like this:
17 Answers
17
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Should a RESTful 'PUT' operation return something
...nterpretation:
HTTP status code 200 OK for a successful PUT of an update to an
existing resource. No response body needed. (Per Section 9.6, 204 No Content is even more appropriate.)
HTTP status code 201 Created for a successful PUT of a new
resource, with the most specific URI for the new resourc...
Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?
I have been involved in some debate with respect to libraries in Linux, and would like to confirm some things.
4 Answers
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How to add a new method to a php object on the fly?
How do I add a new method to an object "on the fly"?
9 Answers
9
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Best way to convert string to bytes in Python 3?
There appear to be two different ways to convert a string to bytes, as seen in the answers to TypeError: 'str' does not support the buffer interface
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How do I add a simple onClick event handler to a canvas element?
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When you draw to a canvas element, you are simply drawing a bitmap in immediate mode.
The elements (shapes, lines, images) that are drawn have no representation besides the pixels they use and their colour.
Therefore, to get a click even...
How does delete[] know it's an array?
...sn't know it's an array, it's trusting the programmer. Deleting a pointer to a single int with delete [] would result in undefined behavior. Your second main() example is unsafe, even if it doesn't immediately crash.
The compiler does have to keep track of how many objects need to be deleted some...
Sticky and NON-Sticky sessions
I want to know the difference between sticky- and non-sticky sessions. What I understood after reading from internet:
2 Ans...