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How to use GROUP_CONCAT in a CONCAT in MySQL
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Differences between cookies and sessions?
...pement and am learning about JSP & Servlets . I have some knowledge of HttpSession - I have used it in some of my sample projects.
...
How to use SVN, Branch? Tag? Trunk?
..., but decides that that will take weeks and that people want to keep going down the main path in the meantime. So you build a fork in the path and different people wander off down the different forks.
The flags in the road are called 'tags' ,and the forks in the road are where 'branches' divide. ...
How to identify numpy types in python?
...couraged if it's not intuitive or easy, it's a pain at first.
See also:
- https://docs.scipy.org/doc/numpy-1.15.1/reference/arrays.dtypes.html
- https://github.com/machinalis/mypy-data/tree/master/numpy-mypy
>>> import numpy as np
>>> np.ndarray
<class 'numpy.ndarray'>
>...
mongoose vs mongodb (nodejs modules/extensions), which better? and why?
...r, and can live with some missing features, give Mongolian DeadBeef a try: https://github.com/marcello3d/node-mongolian
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what is the difference between a portlet and a servlet?
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How to make a element expand or contract to its parent container?
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How do I use vimdiff to resolve a git merge conflict?
... local and remote conflict hunks without copy pasting or custom shortcuts: https://vi.stackexchange.com/questions/10534/is-there-a-way-to-take-both-when-using-vim-as-merge-tool which is a shame since add add is such a common conflict type.
To prevent vimdiff from asking you to press enter every tim...
How to group dataframe rows into list in pandas groupby?
...'a').agg({'b':lambda x: list(x)})
Look into writing Custom Aggregations: https://www.kaggle.com/akshaysehgal/how-to-group-by-aggregate-using-py
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JavaScript: What are .extend and .prototype used for?
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