大约有 47,000 项符合查询结果（耗时：0.0581秒） [XML]
Convert a list to a data frame
...
Update July 2020:
The default for the parameter stringsAsFactors is now default.stringsAsFactors() which in turn yields FALSE as its default.
Assuming your list of lists is called l:
df <- data.frame(matrix(unlist(l), nrow=length(l), byrow=T))
The above will convert all character columns...
Visual Studio 2013 and BitBucket
...
Sorry to tag onto an old question, but know how to add multiple remotes? I want to try out TFS as a remote git server, but want to also commit to github periodically to be safe.
– Neil
Nov 6 '13 at 2:37
...
How to do a git diff on moved/renamed file?
I moved a file using git mv . Now I would like to do a diff on the new file to compare it with the old file (with the old, now non-existent name).
...
Is there anything like inotify on Windows?
...I was wonderying myself how kernel people solve these situations. Good to know they do this, makes one more confident in design and implementation.
– n611x007
Oct 29 '13 at 10:50
...
What is std::promise?
...
I understand the situation a bit better now (in no small amount due to the answers here!), so I thought I add a little write-up of my own.
There are two distinct, though related, concepts in C++11: Asynchronous computation (a function that is called somewhere el...
Set a cookie to never expire
...r and get sent to the client as a time near zero. (This is happening right now for 25-year cookies on PHP.)
– Riking
Apr 11 '13 at 22:28
84
...
Script not served by static file handler on IIS7.5
... to change to the Classic App Pool, then set that pool for framework 4.0. Now I get the following error:
23 Answers
...
Learning Ruby on Rails
As it stands now, I'm a Java and C# developer. The more and more I look at Ruby on Rails, the more I really want to learn it.
...
What is the 'dynamic' type in C# 4.0 used for?
... to tell the compiler that a variable's type can change or that it is not known until runtime. Think of it as being able to interact with an Object without having to cast it.
dynamic cust = GetCustomer();
cust.FirstName = "foo"; // works as expected
cust.Process(); // works as expected
cust.Missing...
How to stage only part of a new file with git?
I love git add --interactive . It is now part of my daily workflow.
5 Answers
5
...