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Remove local git tags that are no longer on the remote repository
... This must be my favourite git answer on StackOverflow. It combines knowledge, simplicity and trickery an explains everything. Great
– tymtam
Nov 30 '11 at 8:12
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How to add an extra column to a NumPy array
... @Ay0 Exactly, I was looking for a way to add a bias unit to my artificial neuronal network in batch on all layers at once, and this is the perfect answer.
– gaborous
Aug 18 '16 at 15:07
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How can I keep Bootstrap popovers alive while being hovered?
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Test with code snippet below:
Small modification (From the solution provided by vikas) to suit my use case.
Open popover on hover event for the popover button
Keep popover open when hovering over the popover box
Close popover on mouseleave for either the popover...
nodejs get file name from absolute path?
If there any API could retrieve file name from an absolute file path?
7 Answers
7
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Python - abs vs fabs
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math.fabs() converts its argument to float if it can (if it can't, it throws an exception). It then takes the absolute value, and returns the result as a float.
In addition to floats, abs() also works with integers and complex numbers. Its return type depends on the t...
【解决】scrapyd启动job时报错：exceptions.TypeError: __init__() got an ...
【解决】scrapyd启动job时报错：exceptions.TypeError: __init__() got an unexpected keyword argument '_job'进入项目spiders目录, 修改 spider py 文件（你自己的spider的主文件）：def __init__(self):改为：def __init__(self, *args, **kwargs):最后不要忘了重新部署一...
What does -D_XOPEN_SOURCE do/mean?
...le without this arg. I checked the gcc man page, but did not find this specific option. I did find XOPEN_SOURCE , but there was little explanation of what it does.
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Some built-in to pad a list in python
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a += [''] * (N - len(a))
or if you don't want to change a in place
new_a = a + [''] * (N - len(a))
you can always create a subclass of list and call the method whatever you please
class MyList(list):
def ljust(self, n, fillvalue=''):
ret...
Hidden features of Ruby
Continuing the "Hidden features of ..." meme, let's share the lesser-known but useful features of Ruby programming language.
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Using mixins vs components for code reuse in Facebook React
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Update: this answer is outdated. Stay away from the mixins if you can.
I warned you!
Mixins Are Dead. Long Live Composition
At first, I tried to use subcomponents for this and extract FormWidget and InputWidget. However, I abandoned this approach halfway because I wanted a be...