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How to easily map c++ enums to strings
...No point in copying your string literals to std::strings in the map)
For extra syntactic sugar, here's how to write a map_init class. The goal is to allow
std::map<MyEnum, const char*> MyMap;
map_init(MyMap)
(eValue1, "A")
(eValue2, "B")
(eValue3, "C")
;
The function template &...
The specified type member 'Date' is not supported in LINQ to Entities. Only initializers, entity mem
...tsCustomByUniqueStudentReference(userDevice.UniqueStudentReference)
.Where(x => EntityFunctions.TruncateTime(x.DateTimeStart) == currentDate.Date);
UPDATE: As @shankbond mentioned in comments, in Entity Framework 6 EntityFunctions is obsolete, and you should use DbFunctions class, which is ship...
Combine two or more columns in a dataframe into a new column with a new name
For example if I have this:
8 Answers
8
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Dealing with float precision in Javascript [duplicate]
...t. I want to group them by rounding them down to the nearest multiple of x and convert the result to a string.
5 Answer...
Sorting a Python list by two fields
...ashish, see my answer below with lambda functions this is clear, sort by "-x[1]" or even "x[0]+x[1]" if you wish
– jaap
Feb 27 '14 at 15:15
...
What do hjust and vjust do when making a plot using ggplot?
...es, I know that in most cases you can use it beyond this range, but don't expect it to behave in any specific way. This is outside spec.)
hjust controls horizontal justification and vjust controls vertical justification.
An example should make this clear:
td <- expand.grid(
hjust=c(0, 0.5...
Constructor overload in TypeScript
...tion must have a signature that is compatible with all overloads. In your example, this can easily be done with an optional parameter as in,
interface IBox {
x : number;
y : number;
height : number;
width : number;
}
class Box {
public x: number;
public y: number;
p...
Apply multiple functions to multiple groupby columns
... dictionary of dictionaries to the agg groupby method. Second, never use .ix.
If you desire to work with two separate columns at the same time I would suggest using the apply method which implicitly passes a DataFrame to the applied function. Let's use a similar dataframe as the one from above
df ...
Plot yerr/xerr as shaded region rather than error bars
...
Ignoring the smooth interpolation between points in your example graph (that would require doing some manual interpolation, or just have a higher resolution of your data), you can use pyplot.fill_between():
from matplotlib import pyplot as plt
import numpy as np
x = np.linspace(0...
Check if multiple strings exist in another string
How can I check if any of the strings in an array exists in another string?
15 Answers
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