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Pandas groupby: How to get a union of strings
...om]
dtype: object
If you want something else, just write a function that does what you want and then apply that.
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How do I use jQuery's form.serialize but exclude empty fields
...n one line using selectors:
$("#myForm :input[value!='']").serialize() // does the job!
Obviously #myForm gets the element with id "myForm" but what was less obvious to me at first was that the space character is needed between #myForm and :input as it is the descendant operator.
:input matches ...
Is jquery a javascript library or framework? [closed]
... libraries.
Strictly speaking, jQuery is a library, but, to an extent, it does meet the definition of a software framework. Although many would argue that jQuery doesn't meet the definition of a software framework strictly enough, the fact is that no other JavaScript framework fully meets the defin...
Append a dictionary to a dictionary [duplicate]
...implementation--but I'm not entirely sure the ** idiom in this case really does incur extra overhead in all implementations, perhaps because dict is a built-in type.
– HardlyKnowEm
Jan 19 '12 at 18:16
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“for” vs “each” in Ruby
...rator variable still lives after the block is done. With the each loop, it doesn't, unless it was already defined as a local variable before the loop started.
Other than that, for is just syntax sugar for the each method.
When @collection is nil both loops throw an exception:
Exception: undefi...
Reverse of JSON.stringify?
... slightly different behaviour depending on your environment too).
When it does matter it can sometimes be overcome using the additional parameters of JSON.parse and JSON.stringify. For example:
function MyClass (v) {
this.date = new Date(v.year,1,1);
this.name = "an object";
};
MyClass.prot...
Convert between UIImage and Base64 string
Does anyone know how to convert a UIImage to a Base64 string, and then reverse it?
24 Answers
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Output data from all columns in a dataframe in pandas [duplicate]
... you want to output the data anyway (it won't probably fit on a screen and does not look very well):
print paramdata.values
converts the dataframe to its numpy-array matrix representation.
paramdata.columns
stores the respective column names and
paramdata.index
stores the respective index (...
python NameError: global name '__file__' is not defined
...oin(os.path.dirname(__file__)) in python interactive shell.
Python Shell doesn't detect current file path in __file__ and it's related to your filepath in which you added this line
So you should write this line os.path.join(os.path.dirname(__file__)) in file.py. and then run python file.py, It wo...
Overriding a JavaScript function while referencing the original
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Note that this pattern does not require jQuery—they're just using one of jQuery's functions as an example.
– Kev
Apr 1 at 8:02
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