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Comparing two NumPy arrays for equality, element-wise
What is the simplest way to compare two NumPy arrays for equality (where equality is defined as: A = B iff for all indices i: A[i] == B[i] )?
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Printf width specifier to maintain precision of floating-point value
...hich can be applied to a floating point specifier that would automatically format the output to the necessary number of significant digits such that when scanning the string back in, the original floating point value is acquired?
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node.js global variables?
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Could you provide a little bit more information please? Is this part of javascript or part of node? Is it a good pattern to follow? As in should I do this or should I use express set? Thanks
– Harry
Mar 28 '11 at 3:34
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Regex Named Groups in Java
It is my understanding that the java.regex package does not have support for named groups ( http://www.regular-expressions.info/named.html ) so can anyone point me towards a third-party library that does?
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Pandas - How to flatten a hierarchical index in columns
...g entries in your columns) you could:
df.columns = [' '.join(col).strip() for col in df.columns.values]
Note: we must strip the whitespace for when there is no second index.
In [11]: [' '.join(col).strip() for col in df.columns.values]
Out[11]:
['USAF',
'WBAN',
'day',
'month',
's_CD sum',
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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
... Wow. This is a good trick. This also explains why tile-servers for map engines create a number of fake sub-domains (typically something like maps1.whatever.com, maps2.whatever.com, maps3.whatever.com) to accelerate things.
– meawoppl
May 23 '13 at 1...
PHP Get name of current directory
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Using basename(__DIR__) saved the day for me. Thanks a ton for sharing!
– Devner
Feb 28 '15 at 20:53
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How do I access the request object or any other variable in a form's clean() method?
I am trying to request.user for a form's clean method, but how can I access the request object? Can I modify the clean method to allow variables input?
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hasNext in Python iterators?
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"It's easier to ask for forgiveness than permission."
– Roger Pate
Dec 27 '09 at 18:57
124
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Specifying rails version to use when creating a new application
... You should change this to the accepted answer since it works for Rails 2 and 3. Keltia's answer will no longer work if you have Rails 3 installed and want a Rails 2 app.
– Peter Brown
Feb 6 '11 at 15:03
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