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Best way to specify whitespace in a String.Split operation
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Stupid question, but if you use null, do you still need to specify the StringSplitOption.RemoveEmptyEntries or are they ignored by default?
– yu_ominae
Nov 11 '13 at 20:50
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Is there a better way of writing v = (v == 0 ? 1 : 0); [closed]
...ss common operator:
v ^= 1;
Edit:
To be clear; I never approached this question as code golf, just to find a short way of doing the task without using any obscuring tricks like side effects of operators.
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What is the most efficient way to create a dictionary of two pandas Dataframe columns?
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In [9]: pd.Series(df.Letter.values,index=df.Position).to_dict()
Out[9]: {1: 'a', 2: 'b', 3: 'c', 4: 'd', 5: 'e'}
Speed comparion (using Wouter's method)
In [6]: df = pd.DataFrame(randint(0,10,10000).reshape(5000,2),columns=list('AB'))
In [7]: %timeit dict(...
Manually map column names with class properties
...required sometime after version 1.13 of dapper
public ConstructorInfo FindExplicitConstructor()
{
return _mappers
.Select(mapper => mapper.FindExplicitConstructor())
.FirstOrDefault(result => result != null);
}
}
And with that in place, it becomes ...
How do you rename a MongoDB database?
...space (e.g.: dbName.collection) that describes every single collection and index includes the database name, so to rename a set of database files, every single namespace string would have to be rewritten. This impacts:
the .ns file
every single numbered file for the collection
the namesp...
How to make CSS3 rounded corners hide overflow in Chrome/Opera
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Add a z-index to your border-radius'd item, and it will mask the things inside of it.
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Best way to randomize an array with .NET
...ursive step) shuffle the first n-1 elements of the array
choose a random index, x, in the range [0..n-1]
swap the element at index n-1 with the element at index x
The iterative equivalent is to walk an iterator through the array, swapping with random elements as you go along, but notice tha...
Should I use encodeURI or encodeURIComponent for encoding URLs?
... answered Dec 27 '10 at 18:14
QuentinQuentin
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How to clean node_modules folder of packages that are not in package.json?
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Or using rmdir node_modules /s /q on Windows. superuser.com/a/179661/440976
– Wédney Yuri
Jan 30 '16 at 19:09
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Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
You can use the function tz_localize to make a Timestamp or DateTimeIndex timezone aware, but how can you do the opposite: how can you convert a timezone aware Timestamp to a naive one, while preserving its timezone?
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