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Git - fatal: Unable to create '/path/my_project/.git/index.lock': File exists
...u have no other git processes running (which is the normal case), go ahead and delete that file.
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Casting a variable using a Type variable
...
Here is an example of a cast and a convert:
using System;
public T CastObject<T>(object input) {
return (T) input;
}
public T ConvertObject<T>(object input) {
return (T) Convert.ChangeType(input, typeof(T));
}
Edit:
Some p...
Pandas groupby: How to get a union of strings
...065 This
1 2 0.301084 is
2 3 0.463468 a
3 4 0.643961 random
4 1 0.866521 string
5 2 0.120737 !
In [6]: df.dtypes
Out[6]:
A int64
B float64
C object
dtype: object
When you apply your own function, there is not automatic exclusions of non-numeric columns...
AngularJS: How to clear query parameters in the URL?
... parameter which will tell LinkedIn to redirect the user back to my webapp and include a "code" query param in the URL. It's a traditional Oauth 2.0 flow.
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Print newline in PHP in single quotes
I try to use single quotes as much as possible and I've noticed that I can't use \n in single quotes. I know I can just enter a newline literally by pressing return, but that screws up the indentation of my code.
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How to count the number of set bits in a 32-bit integer?
...ays addition'.
The 'best' algorithm really depends on which CPU you are on and what your usage pattern is.
Some CPUs have a single built-in instruction to do it and others have parallel instructions which act on bit vectors. The parallel instructions (like x86's popcnt, on CPUs where it's supported)...
Can I use my existing git repo with openshift?
...ave git repo on openshift only? I already have bitbucket / github git repo and would prefer to push there only. Can I simply hook into it so that openshift gets intimation ?
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Remove trailing newline from the elements of a string list
... could I then just say stripped_list = map(str.strip, my_list) and then print stripped_list to print this new list?
– George Burrows
Nov 2 '11 at 17:02
19
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What does “not run” mean in R help pages?
...isible on help pages, but will
be run both by the package checking tools, and the
'example()' function. This was previously 'testonly', and
that form is still accepted.
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Filter by property
...perties, you have to load the object into Python to evaluate the property--and at that point, you've already done all the work to load it.
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follo...