大约有 44,000 项符合查询结果（耗时：0.0412秒） [XML]
Confusion between factor levels and factor labels
...seems to be a difference between levels and labels of a factor in R.
Up to now, I always thought that levels were the 'real' name of factor levels, and labels were the names used for output (such as tables and plots). Obviously, this is not the case, as the following example shows:
...
C#: Printing all properties of an object [duplicate]
...
The ObjectDumper class has been known to do that. I've never confirmed, but I've always suspected that the immediate window uses that.
EDIT: I just realized, that the code for ObjectDumper is actually on your machine. Go to:
C:/Program Files/Microsoft Visual...
Bundling data files with PyInstaller (--onefile)
...t set the env variable anymore, so Shish's excellent answer will not work. Now the path gets set as sys._MEIPASS:
def resource_path(relative_path):
""" Get absolute path to resource, works for dev and for PyInstaller """
try:
# PyInstaller creates a temp folder and stores path in _M...
Random number generation in C++11: how to generate, how does it work? [closed]
......, 10 each with equal probability (think of this as the classic rand()). Now you want a random number in the range 0, 1, 2, each with equal probability. Your knee-jerk reaction would be to take rand() % 3. But wait, the remainders 0 and 1 occur more often than the remainder 2, so this isn't correc...
git-diff to ignore ^M
...inst older revisions of these files. Converting line endings starting from now on does not solve the problem with older revisions :-/
– neoneye
Dec 11 '09 at 18:14
67
...
Easier way to create circle div than using an image?
...ering if there's an easier way to create circular divs than what I'm doing now.
14 Answers
...
Free FTP Library [closed]
...
You may consider FluentFTP, previously known as System.Net.FtpClient.
It is released under The MIT License and available on NuGet (FluentFTP).
share
|
improve thi...
/etc/apt/sources.list" E212: Can't open file for writing
...udo vim FILE. Or if you don't want to leave your existing vim session (and now have proper sudo rights), you can issue:
:w !sudo tee % > /dev/null
Which will save the file.
HTH
share
|
improv...
C# 'is' operator performance
...
I'm with Ian, you probably don't want to do this.
However, just so you know, there is very little difference between the two, over 10,000,000 iterations
The enum check comes in at 700
milliseconds (approx)
The IS check comes in at 1000
milliseconds (approx)
I personally wouldn't fix this pro...
When to use window.opener / window.parent / window.top
...I've a main page which opens a child using window.open() upon page submit. Now this child window open another child window with the same window.open() closing self. Now when I submit my second child (first child is no more exists), I would like to access the page elements of my main page. Is this po...