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Why is a pure virtual function initialized by 0?
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The reason =0 is used is that Bjarne Stroustrup didn't think he could get another keyword, such as "pure" past the C++ community at the time the feature was being implemented. This is described in his book, The Design & Evolution of ...
How do you add swap to an EC2 instance?
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10 Answers
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Solving a “communications link failure” with JDBC and MySQL [duplicate]
...ications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
I spent several days to solve this problem. I have tested many approaches that have been mentioned in different web sites, but non of them worked....
How to add a new row to an empty numpy array
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The way to "start" the array that you want is:
arr = np.empty((0,3), int)
Which is an empty array but it has the proper dimensionality.
>>> arr
array([], shape=(0, 3), dtype=int64)
Then be sure to append along axis 0:
arr = np.append(arr, np.array([[1,2,3]]), axis=0)
arr =...
Convert boolean result into number/integer
I have a variable that stores false or true , but I need 0 or 1 instead, respectively. How can I do this?
17 Answers...
Canvas width and height in HTML5
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390
The canvas DOM element has .height and .width properties that correspond to the height="…" and...
Boolean Field in Oracle
...as JDBC, OCCI, and other programming environments,
it's better to select 0 for false and 1 for true so it can work
correctly with the getBoolean and setBoolean functions.
Basically they advocate method number 2, for efficiency's sake, using
values of 0/1 (because of interoperability with JD...
NPM - How to fix “No readme data”
... file... :/
– mgol
Feb 3 '14 at 15:20
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I too have a README.md file with a whole bunch of stuff i...
How to find where gem files are installed
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How to parse a CSV file using PHP [duplicate]
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Just use the function for parsing a CSV file
http://php.net/manual/en/function.fgetcsv.php
$r...