大约有 19,023 项符合查询结果（耗时：0.0234秒） [XML]
Limit file format when using ?
I'd like to restrict the type of file that can be chosen from the native OS file chooser when the user clicks the Browse button in the <input type="file"> element in HTML. I have a feeling it's impossible, but I'd like to know if there is a solution. I'd like to keep solely to HTML and Jav...
How to select multiple files with ?
How to select multiple files with <input type="file"> ?
9 Answers
9
...
How to get a path to a resource in a Java JAR file
...
This is deliberate. The contents of the "file" may not be available as a file. Remember you are dealing with classes and resources that may be part of a JAR file or other kind of resource. The classloader does not have to provide a file handle to the resource, for ...
Delete directory with files in it?
I wonder, what's the easiest way to delete a directory with all its files in it?
33 Answers
...
sed edit file in place
I am trying to find out if it is possible to edit a file in a single sed command without manually streaming the edited content into a new file and then renaming the new file to the original file name. I tried the -i option but my Solaris system said that -i is an illegal option. Is there a d...
How to retrieve a single file from a specific revision in Git?
I have a Git repository and I'd like to see how some files looked a few months ago. I found the revision at that date; it's 27cf8e84bb88e24ae4b4b3df2b77aab91a3735d8 . I need to see what one file looks like, and also save it as a ("new") file.
...
How to read a large file - line by line?
I want to iterate over each line of an entire file. One way to do this is by reading the entire file, saving it to a list, then going over the line of interest. This method uses a lot of memory, so I am looking for an alternative.
...
How to check whether a file is empty or not?
I have a text file.
How can I check whether it's empty or not?
10 Answers
10
...
Checkout another branch when there are uncommitted changes on the current branch
...are on branch1. A git checkout branch2 would have to do this:
For every file that is in branch1 and not in branch2,1 remove that file.
For every file that is in branch2 and not in branch1, create that file (with appropriate contents).
For every file that is in both branches, if the version in bra...
What does __FILE__ mean in Ruby?
...
It is a reference to the current file name. In the file foo.rb, __FILE__ would be interpreted as "foo.rb".
Edit: Ruby 1.9.2 and 1.9.3 appear to behave a little differently from what Luke Bayes said in his comment. With these files:
# test.rb
puts __FILE__
...