大约有 26,000 项符合查询结果（耗时：0.0526秒） [XML]
Apply a function to every row of a matrix or a data frame
Suppose I have a n by 2 matrix and a function that takes a 2-vector as one of its arguments. I would like to apply the function to each row of the matrix and get a n-vector. How to do this in R?
...
Is it possible to serialize and deserialize a class in C++?
Is it possible to serialize and deserialize a class in C++?
13 Answers
13
...
.NET Format a string with fixed spaces
Does the .NET String.Format method allow placement of a string at a fixed position within a fixed length string.
10 Answers...
How to amend older Git commit? [duplicate]
I have made 3 git commits, but have not been pushed.
How can I amend the older one (ddc6859af44) and (47175e84c) which is not the most recent one?
...
What's the difference between compiled and interpreted language?
After reading some material on this subject I'm still not sure what the difference between a compiled language and an interpreted language is. I was told this is one of the differences between Java and JavaScript. Would someone please help me in understanding it?
...
Swap key with value JSON
I have an extremely large JSON object structured like this:
16 Answers
16
...
How do I find all of the symlinks in a directory tree?
I'm trying to find all of the symlinks within a directory tree for my website. I know that I can use find to do this but I can't figure out how to recursively check the directories.
...
How do you detect/avoid Memory leaks in your (Unmanaged) code? [closed]
In unmanaged C/C++ code, what are the best practices to detect memory leaks? And coding guidelines to avoid? (As if it's that simple ;)
...
How to set up tmux so that it starts up with specified windows opened?
How to set up tmux so that it starts up with specified windows opened?
20 Answers
20
...
Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
Nginx缓存解决方案：SRCache前些天帮别人优化PHP程序，搞得灰头土脸，最后黔驴技穷开启了FastCGI Cache，算是勉强应付过去了吧。不过FastCGI Cache不支持分布式缓存...前些天帮别人优化PHP程序，搞得灰头土脸，最后黔驴技穷开启了Fast...