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Java: Static Class?
...er alternatives like IllegalStateException, UnsupportedOperationException, etc?
– Pacerier
Jun 25 '14 at 0:36
@Pacerie...
Strings as Primary Keys in SQL Database [closed]
... a primary key is that because the index is constantly put into sequential order, when a new key is created that would be in the middle of the order the index has to be resequenced... if you use an auto number integer, the new key is just added to the end of the index.
...
Assert equals between 2 Lists in Junit
... or with a single line: assertThat(yourList.toArray(), arrayContainingInAnyOrder(1,2,3,4,5));
– user1778602
Mar 7 '18 at 5:25
...
Compare object instances for equality by their attributes
... the specific tip about functools should be to use the @functools.total_ordering decorator on your class, then as above you can define just __eq__ and one other and the rest will be derived
– Anentropic
Sep 8 '17 at 10:34
...
How to access the ith column of a NumPy multidimensional array?
...columns, it could be a good idea to create our array in column-major ('F') order instead of the row-major ('C') order (which is the default), and then do the slicing as before to get a column without copying it:
A = np.asfortranarray(A) # or np.array(A, order='F')
A_c1_ref = A[:, 1]
A_c1_ref.strid...
how to check the dtype of a column in python pandas
...y of the question is specific. So any other answers may be used.
But in order to fully answer the title question it should be clarified that it seems like all of the approaches may fail in some cases and require some rework. I reviewed all of them (and some additional) in decreasing of reliabilit...
What is the best way to insert source code examples into a Microsoft Word document?
..., fixed size tabs, single line spacing, no before/after paragraph spacing, etc. You only need to define this style once and then reuse it. You paste in your source code and apply the "Code" style to it.
Note that some editors (e.g. Xcode on the Mac) add RTF as well as text to the clipboard when cop...
How to implement common bash idioms in Python? [closed]
... process status code checking, the various logic commands (if, while, for, etc.) the test command and all of it's relatives. The function definition stuff. This is all much, much easier in Python. This is one of the huge victories in getting rid of bash and doing it in Python.
Interaction featur...
How do I use a Boolean in Python?
...ing')
bool(True) # ;-)
bool(False)
bool(0)
bool(None)
bool(0.0)
bool(1)
etc..
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Unix's 'ls' sort by name
...ort. For just a list of file names:
ls -1 | sort
To sort them in reverse order:
ls -1 | sort -r
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