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Python - Passing a function into another function
...;> looper(foo, 3, 2, b=4)
6
6
6
"""
for i in range(n):
fn(*args, **kwargs)
Depending on what you are doing, it could make sense to define a decorator, or perhaps use functools.partial.
...
Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?
...
You have to divide your values with 255, because the range is 0-1. Take 127/255 = 0.49f and type in that instead. It's there, it's just white :)
edit: cause of comments, I added some code as to how I solve it:
-(float)getRGBValue:(int) rgbValue{
return rgbValue/255.0;...
How to round a number to n decimal places in Java
...s 265.335 += tolerance, where tolerance depends on previous operations and range of input values. We do not know the true, exact value. At the edge values, either answer is arguably correct. If we need to be exact, we shouldn't work in double. The fail here isn't in converting back to double. Its in...
C#: Looping through lines of multiline string
...nce of TextReader to open a text file " +
"for reading a specified range of characters, or to " +
"create a reader based on an existing stream.\n\n" +
"You can also use an instance of TextReader to read " +
"text from a custom backing store using the same " +
...
How to get row from R data.frame
...ta row-wise.
x <- x %>% slice(1) #(n) for the nth row, or (i:n) for range i to n, (i:n()) for i to last row...
x
#> A B C
#> 1 5 4.25 4.5
#Test that the items in the row match the vector you wanted
x[1,]==y
#> A B C
#> 1 TRUE TRUE TRUE
Created on 2020-08-06 by...
Why is Double.MIN_VALUE in not negative
...ting point numbers, the precision is what is important as there's no exact range.
/**
* A constant holding the smallest positive nonzero value of type
* <code>double</code>, 2<sup>-1074</sup>. It is equal to the
* hexadecimal floating-point literal
* <code>0x0.0000...
How to round the minute of a datetime object
...ndas it needs to be in Series format.
>>> ts = pd.Series(pd.date_range(Dt(2019,1,1,1,1),Dt(2019,1,1,1,4),periods=8))
>>> print(ts)
0 2019-01-01 01:01:00.000000000
1 2019-01-01 01:01:25.714285714
2 2019-01-01 01:01:51.428571428
3 2019-01-01 01:02:17.142857142
4 2019-01-01...
How to modify existing, unpushed commit messages?
... in the last n commits, and if there was a merge somewhere in between that range you will see all the commits as well, so the outcome will be n + .
Good tip:
If you have to do it for more than a single branch and you might face conflicts when amending the content, set up git rerere and let Git resol...
What's the difference between an id and a class?
...specific HTML element, and I use classes to access/apply styles to a broad range of elements.
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How to check for Is not Null And Is not Empty string in SQL server?
...If there is a covering index on Col SQL Server can convert <> to two range seeks on <'' and >''
– Martin Smith
Jul 16 at 8:27
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