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Convert string to binary in python
I am in need of a way to get the binary representation of a string in python. e.g.
8 Answers
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ORA-00979 not a group by expression
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You must put all columns of the SELECT in the GROUP BY or use functions on them which compress the results to a single value (like MIN, MAX or SUM).
A simple example to understand why this happens: Imagine you have a database like this:
FOO BAR
0 A
0 B
and you run SELE...
Regex: match everything but specific pattern
I need a regex able to match everything but a string starting with a specific pattern (specifically index.php and what follows, like index.php?id=2342343 )
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How do you clone a Git repository into a specific folder?
Executing the command git clone git@github.com:whatever creates a directory in my current folder named whatever , and drops the contents of the Git repository into that folder:
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Find row where values for column is maximal in a pandas DataFrame
...s np
>>> df = pandas.DataFrame(np.random.randn(5,3),columns=['A','B','C'])
>>> df
A B C
0 1.232853 -1.979459 -0.573626
1 0.140767 0.394940 1.068890
2 0.742023 1.343977 -0.579745
3 2.125299 -0.649328 -0.211692
4 -0.187253 1.908618 -1.862934
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How do you run a crontab in Cygwin on Windows?
...are .exe files, so you can run them with the standard Windows Scheduler, but others don't have an .exe extension so can't be run from DOS (it seems like).
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How can I convert an RGB image into grayscale in Python?
I'm trying to use matplotlib to read in an RGB image and convert it to grayscale.
12 Answers
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Finding the max value of an attribute in an array of objects
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To find the maximum y value of the objects in array:
Math.max.apply(Math, array.map(function(o) { return o.y; }))
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Using Java 8 to convert a list of objects into a string obtained from the toString() method
...ul new things in Java 8. E.g., I can iterate with a stream over a list of objects and then sum the values from a specific field of the Object 's instances. E.g.
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How do I expand a tuple into variadic template function's arguments?
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Here's my code if anyone is interested
Basically at compile time the compiler will recursively unroll all arguments in various inclusive function calls <N> -> calls <N-1> -> calls ... -> calls <0> which is the last one and the compiler w...