大约有 43,000 项符合查询结果(耗时:0.0483秒) [XML]
Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
A co-worker claimed recently in a code review that the [[ ]] construct is to be preferred over [ ] in constructs like
...
Eclipse: have the same file open in two editors?
When I'm editing a large file, I often want to have it open in two editing windows at once (eg. for reference, or because I'm working on two different parts of the file at once).
...
Batch Renaming of Files in a Directory
Is there an easy way to rename a group of files already contained in a directory, using Python?
13 Answers
...
Return empty cell from formula in Excel
...y cell from an Excel formula, but it appears that Excel treats an empty string or a reference to an empty cell differently than a true empty cell. So essentially I need something like
...
Variable declared in for-loop is local variable?
I have been using C# for quite a long time but never realised the following:
9 Answers
...
Using parameters in batch files at Windows command line
In Windows, how do you access arguments passed when a batch file is run?
5 Answers
5...
Is recursion ever faster than looping?
I know that recursion is sometimes a lot cleaner than looping, and I'm not asking anything about when I should use recursion over iteration, I know there are lots of questions about that already.
...
Get exception description and stack trace which caused an exception, all as a string
I've seen a lot of posts about stack trace and exceptions in Python. But haven't found what I need.
11 Answers
...
Forward declaring an enum in C++
I'm trying to do something like the following:
17 Answers
17
...
What exactly is metaprogramming?
I was reading an article on TheServerSide on ployglot programming on the Java platform . Some comments in the article refer to metaprogramming as the ability to generate code (perhaps on the fly).
...
