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Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...code('ascii'))
hi
Of course, this specific example only works if you actually are receiving ASCII from the subprocess. If it's not ASCII, you'll get an exception:
>>> print(b'\xff'.decode('ascii'))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
Unic...
Passing multiple error classes to ruby's rescue clause in a DRY fashion
...ne it in some other class, you have to refer to it with its namespace. Actually, it does not have to be a constant.
Splat Operator
The splat operator * "unpacks" an array in its position so that
rescue *EXCEPTIONS
means the same as
rescue FooException, BarException
You can also use it withi...
What is the role of the bias in neural networks? [closed]
...
I think that biases are almost always helpful. In effect, a bias value allows you to shift the activation function to the left or right, which may be critical for successful learning.
It might help to look at a simple example. Consider this 1-input, 1-output network that has no bias:
The ou...
Split a string at uppercase letters
... possible to split on a zero-width match in Python. But you can use re.findall instead:
>>> import re
>>> re.findall('[A-Z][^A-Z]*', 'TheLongAndWindingRoad')
['The', 'Long', 'And', 'Winding', 'Road']
>>> re.findall('[A-Z][^A-Z]*', 'ABC')
['A', 'B', 'C']
...
What does curly brackets in the `var { … } = …` statements do?
...h JavaScript 1.7 features. The first one is block-level variables:
let allows you to declare variables, limiting its scope to the block, statement, or expression on which it is used. This is unlike the var keyword, which defines a variable globally, or locally to an entire function regardless of...
Git fetch remote branch
...g on the same repository. We've branched it into two branches, each technically for different projects, but they have similarities, so we'll sometimes want to commit back to the * master from the branch .
...
Generate colors between red and green for a power meter?
...ges using this code ... any ideas? For example, the following percentages all return RGB 1,255,0: 0.277, 0.222, 0.111 ... the higher values (for example 1.0) do return the correct RGBs with brighter green, but they stop trailing off after a threshold and I only get shades of green on my scale.
...
SetUnhandledExceptionFilter and the C/C++ Runtime Library - C/C++ - 清...
...unctionality by the means of the SetUnhandledExceptionFilter function.
Usually, the SetUndhandledExceptionFilter function is used in conjunction with the crash reporting activity. Having the ability of pinpointing the line of code which caused a crash is invaluable in post mortem debugging.
Post m...
How to create the branch from specific commit in different branch
...f A, you won't get the changes introduced in B.
Same here, you had two parallel branches master and dev, which you merged in dev. Branching out from a commit of master (older than the merge) won't provide you with the changes of dev.
If you want to permanently integrate new changes from master i...
How to match any non white space character except a particular one?
...The above answer will only return the first match of a string. If you want all matches to be returned add the g modifier. /[^\s\\]/g
– Ben Carp
Dec 1 '19 at 12:13
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