大约有 16,000 项符合查询结果（耗时：0.0323秒） [XML]
Java 8 stream's .min() and .max(): why does this compile?
...his question originates from a dead link which was a previous SO question, but here goes...
5 Answers
...
Is leaked memory freed up when the program exits?
If I programmed — without knowing it — a memory leak, and the application terminates, is the leaked memory freed?
6 Ans...
c# open a new form then close the current form?
...
Steve's solution does not work. When calling this.Close(), current form is disposed together with form2. Therefore you need to hide it and set form2.Closed event to call this.Close().
private void OnButton1Click(object sender, EventArgs e)
{
this.Hide();
var ...
Rails: Adding an index after adding column
...ated a table table in a Rails app. Some time later, I add a column running:
5 Answers
...
How do I move a single folder from one Subversion repository to another repository?
...
If you have access the repository itself (not a working copy), you should be able to dump the current repository, filter it to only include information about the docs folder, and load it into the other repository.
Would be something like this:
svnadmin dump /svn/old_repos >...
Upgrade python in a virtualenv
Is there a way to upgrade the version of python used in a virtualenv (e.g. if a bugfix release comes out)?
12 Answers
...
How to loop through files matching wildcard in batch file
I have a set of base filenames, for each name 'f' there are exactly two files, 'f.in' and 'f.out'. I want to write a batch file (in Windows XP) which goes through all the filenames, for each one it should:
...
Do Git tags only apply to the current branch?
I'm currently working with a repository that has multiple branches.
7 Answers
7
...
How to get key names from JSON using jq
... file.json
$ cat file.json:
{ "Archiver-Version" : "Plexus Archiver", "Build-Id" : "", "Build-Jdk" : "1.7.0_07", "Build-Number" : "", "Build-Tag" : "", "Built-By" : "cporter", "Created-By" : "Apache Maven", "Implementation-Title" : "northstar", "Implementation-Vendor-Id" : "com.test.testPack", "...
Method chaining - why is it a good practice, or not?
Method chaining is the practice of object methods returning the object itself in order for the result to be called for another method. Like this:
...