大约有 47,000 项符合查询结果(耗时:0.0612秒) [XML]

https://stackoverflow.com/ques... 

Why is \r a newline for Vim?

From question How to replace a character for a newline in Vim? . You have to use \r when replacing text for a newline, like this ...
https://stackoverflow.com/ques... 

How to sort with a lambda?

I'd like to use a lambda function to sort custom classes in place of binding an instance method. However, the code above yields the error: ...
https://stackoverflow.com/ques... 

Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell

I have taken Problem #12 from Project Euler as a programming exercise and to compare my (surely not optimal) implementations in C, Python, Erlang and Haskell. In order to get some higher execution times, I search for the first triangle number with more than 1000 divisors instead of 500 as stated...
https://stackoverflow.com/ques... 

How I can I lazily read multiple JSON values from a file/stream in Python?

I'd like to read multiple JSON objects from a file/stream in Python, one at a time. Unfortunately json.load() just .read() s until end-of-file; there doesn't seem to be any way to use it to read a single object or to lazily iterate over the objects. ...
https://stackoverflow.com/ques... 

json_encode/json_decode - returns stdClass instead of Array in PHP

... 7 Answers 7 Active ...
https://stackoverflow.com/ques... 

Append TimeStamp to a File Name

I have come across this problem several times in which I would like to have multiple versions of the same file in the same directory. The way I have been doing it using C# is by adding a time stamp to the file name with something like this DateTime.Now.ToString().Replace('/', '-').Replace(':', '.')...
https://stackoverflow.com/ques... 

How to tell if JRE or JDK is installed

I have one computer that I intentionally installed JDK on. I have another computer with JRE, for, among other things, testing. However, when I got a java application working on this computer, and then tried it on another, it complained that JDK was required. How can I check if JDK was somehow instal...
https://stackoverflow.com/ques... 

What does the star operator mean, in a function call?

What does the * operator mean in Python, such as in code like zip(*x) or f(**k) ? 5 Answers ...
https://stackoverflow.com/ques... 

How to set enum to null

I have an enum 7 Answers 7 ...
https://stackoverflow.com/ques... 

Plot yerr/xerr as shaded region rather than error bars

In matplotlib, how do I plot error as a shaded region rather than error bars? 2 Answers ...