大约有 24,971 项符合查询结果(耗时:0.0434秒) [XML]
Using “this” with class name
... am doing Android programming and was learning about Intents, when I saw a constructor that, to my C# trained mind, seemed funky. The call was:
...
Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
For example I have two dicts:
17 Answers
17
...
Convert column classes in data.table
I have a problem using data.table: How do I convert column classes? Here is a simple example: With data.frame I don't have a problem converting it, with data.table I just don't know how:
...
Batch file to delete files older than N days
I am looking for a way to delete all files older than 7 days in a batch file. I've searched around the web, and found some examples with hundreds of lines of code, and others that required installing extra command line utilities to accomplish the task.
...
What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
...
Active
Oldest
Votes
...
Why doesn't C have unsigned floats?
... know, the question seems to be strange. Programmers sometimes think too much. Please read on...
12 Answers
...
如何编写一个独立的 PHP 扩展(译) - 更多技术 - 清泛网 - 专注C/C++及内核技术
如何编写一个独立的 PHP 扩展(译)how-to-create-a-php-extension本文翻译自 PHP 源码中的 README.SELF-CONTAINED-EXTENSIONS。文中标记了注的内容均为自己添加。内容有点老,也挺啰嗦,没讲什么深入的...本文翻译自 PHP 源码中的 README.SELF-CONTAI...
Trying to embed newline in a variable in bash [duplicate]
...
Active
Oldest
Votes
...
Is Fortran easier to optimize than C for heavy calculations?
From time to time I read that Fortran is or can be faster then C for heavy calculations. Is that really true? I must admit that I hardly know Fortran, but the Fortran code I have seen so far did not show that the language has features that C doesn't have.
...
Git resolve conflict using --ours/--theirs for all files
Is there a way to resolve conflict for all files using checkout --ours and --theirs ? I know that you can do it for individual files but couldn't find a way to do it for all.
...