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What is function overloading and overriding in php?
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192
Overloading is defining functions that have similar signatures, yet have different parameters. O...
URLs: Dash vs. Underscore [closed]
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answered Sep 23 '08 at 5:54
billjamesdevbilljamesdev
14k66 gold badges4848 silver badges7272 bronze badges
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Closing multiple issues in Github with a commit message
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162
Closes #1, closes #2, closes #3; rest of commit message.
The closes clauses can be anywhere in ...
How do I convert a pandas Series or index to a Numpy array? [duplicate]
... you should use the values attribute:
In [1]: df = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6]}, index=['a', 'b', 'c']); df
A B
a 1 4
b 2 5
c 3 6
In [2]: df.index.values
Out[2]: array(['a', 'b', 'c'], dtype=object)
This accesses how the data is already stored, so there's no need for a...
What is the difference between `sorted(list)` vs `list.sort()`?
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329
sorted() returns a new sorted list, leaving the original list unaffected. list.sort() sorts the...
How can I find the number of arguments of a Python function?
...eters.
params = sig.parameters
print(params['kwarg1']) # prints: kwarg1=20
Additionally, you can call len on sig.parameters to also see the number of arguments this function requires:
print(len(params)) # 3
Each entry in the params mapping is actually a Parameter object that has further att...
How to create a MySQL hierarchical recursive query
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424
For MySQL 8+: use the recursive with syntax.
For MySQL 5.x: use inline variables, path IDs, or ...
How to do a batch insert in MySQL
...nd separated by commas.
Example:
INSERT INTO tbl_name (a,b,c) VALUES(1,2,3),(4,5,6),(7,8,9);
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How to take screenshot of a div with JavaScript?
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102
No, I don't know of a way to 'screenshot' an element, but what you could do, is draw the quiz re...