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How do I rename all folders and files to lowercase on Linux?
...sively so that no uppercase letter appears anywhere (it's C++ source code, but that shouldn't matter).
27 Answers
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MySQL foreign key constraints, cascade delete
...e foreign keys to keep the integrity and avoid orphans (I already use innoDB).
3 Answers
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How to output git log with the first line only?
I am trying to customize the format for git log . I want all commits to be shown in one line. Each line should only show the first line of the commit message.
I found out that git log --pretty=short should do the trick but on my computer it shows the full log as git log does (besides the ti...
How do I use spaces in the Command Prompt?
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sakrasakra
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Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers
...isting of a list of lists, representing a two-dimensional array with row labels and column names as shown below:
9 Answers
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How and when to use ‘async’ and ‘await’
... things that async and await do is to make code easy to write and read - but is using them equal to spawning background threads to perform long duration logic?
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How to define a function in ghci across multiple lines?
...), you can just put them all on one line and it works (guards do not care about spacing)
let abs n | n >= 0 = n | otherwise = -n
If you wanted to write your function with multiple definitions that pattern match on the arguments, like this:
fact 0 = 1
fact n = n * fact (n-1)
Then you would u...
String Resource new line /n not possible?
It doesn't seem like it's possible to add a new line /n to an XML resource string. Is there another way of doing this?
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Standard deviation of a list
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Since Python 3.4 / PEP450 there is a statistics module in the standard library, which has a method stdev for calculating the standard deviation of iterables like yours:
>>> A_rank = [0.8, 0.4, 1.2, 3.7, 2.6, 5.8]
>>> import statistics
>>> statistics.stdev(A_rank)
2.0634...
Java JDBC - How to connect to Oracle using Service Name instead of SID
I have a Java application that uses JDBC (via JPA) that was connecting to a development database using hostname, port and Oracle SID, like this:
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