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Convert pandas dataframe to NumPy array
I am interested in knowing how to convert a pandas dataframe into a NumPy array.
15 Answers
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What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
...n the names, but what specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
4 Answers
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Execute code when Django starts ONCE only?
... EDIT: A possible hack is to check the command lines arguments any(x in sys.argv for x in ['makemigrations', 'migrate'])
– Conchylicultor
Oct 29 '16 at 19:31
3
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How to parse a string to an int in C++?
...new functions still have the same issue as noted by Dan: they will happily convert the string "11x" to integer "11".
See more: http://en.cppreference.com/w/cpp/string/basic_string/stol
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impr...
Convert integer to string Jinja
...n nunjucks (which is based on jinja) on (email) HTML builds. That's how to convert numeric string values to integers. Btw, in my case I've got integers as strings coming from JSON content files: "hero_title_img_w": "111" and "hero_title_img2_w": "222". Then I'm adding them in .NJK file: {{ hero_titl...
C++ lambda with captures as a function pointer
...fn;
}
};
Exapmle
int a = 100;
auto b = [&](void*) {return ++a;};
Converting lambda with captures to a C pointer
void (*f1)(void*) = Lambda::ptr(b);
f1(nullptr);
printf("%d\n", a); // 101
Can be used this way as well
auto f2 = Lambda::ptr(b);
f2(nullptr);
printf("%d\n", a); // 102
In ca...
Type-juggling and (strict) greater/lesser-than comparisons in PHP
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Note: The above example throws a "Object of class stdClass could not be converted to double" notice.
You can find a few nice graphs for PHP's comparison operators on PHP Sadness 52 - Comparison operators.
As a last note, I want to point out that there are two equalities that PHP does guarantee...
SQL order string as number
...version to number
select col from yourtable
order by col + 0
BTW MySQL converts strings from left to right. Examples:
string value | integer value after conversion
--------------+--------------------------------
'1' | 1
'ABC' | 0 /* the string does not contain a number, ...
Convert a List into an ObservableCollection
I have a List<T> which is being populated from JSON. I need to convert it into an ObservableCollection<T> to bind it to my GridView .
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How to reuse existing C# class definitions in TypeScript projects
...ve a lot of POCOs or you think they might change often, you could create a converter - something simple along the lines of...
public class MyPoco {
public string Name { get; set; }
}
To
export class MyPoco {
public Name: string;
}
There is also a discussion on Codeplex about auto-generatin...