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Converting strings to floats in a DataFrame

...newer version of pandas (0.17 and up), you can use to_numeric function. It allows you to convert the whole dataframe or just individual columns. It also gives you an ability to select how to treat stuff that can't be converted to numeric values: import pandas as pd s = pd.Series(['1.0', '2', -3]) p...
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XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv

I'm trying to create a website that can be downloaded and run locally by launching its index file. 9 Answers ...
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How to initialize a vector in C++ [duplicate]

...p;arr[0]+N; } And then you can do this without having to repeat the size all over: int vv[] = { 12,43 }; std::vector<int> v(begin(vv), end(vv)); share | improve this answer | ...
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How to convert JSON string to array

...d keys). That's what the documentation says and that's what my PHP 5.2 installation returns. Are you using a function other than the official, built-in json_decode()? What does var_dump(json_decode($str, true)); return? – RickN Sep 22 '11 at 15:34 ...
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Geometric Mean: is there a built-in?

...pplication I had in mind they are the same, but of course this is not generally true. Thus, if you want to include optional propagation of zeros, and treat the length(x) differently in the case of NA removal, the following is a slightly longer alternative to the function above. gm_mean = function(x...
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Why would a JavaScript variable start with a dollar sign? [duplicate]

...wish the jquery documentation used this notation as well... It is indeed really helpful. – pedromanoel Jan 28 '14 at 11:05 10 ...
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Get a list of checked checkboxes in a div using jQuery

... Unnecessary call of constructor var selected = new Array();. Better (cheaper) with var selected = []; – Pono Mar 17 '14 at 22:45 ...
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How to abandon a hg merge?

... Ah that is a good detail to know... actually I'm going to delete my comment claiming leaving off -r . is the same – Thymine Mar 1 '16 at 15:56 ...
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How does one generate a random number in Apple's Swift language?

... introduces new easy-to-use random functions for many data types. You can call the random() method on numeric types. let randomInt = Int.random(in: 0..<6) let randomDouble = Double.random(in: 2.71828...3.14159) let randomBool = Bool.random() ...
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Unresolved reference issue in PyCharm

... Manually adding it as you have done is indeed one way of doing this, but there is a simpler method, and that is by simply telling pycharm that you want to add the src folder as a source root, and then adding the sources root to y...