大约有 44,000 项符合查询结果（耗时：0.0399秒） [XML]
Architecture for merging multiple user accounts together
Okay, I got a website where you can register yourself and login. You can also login with your facebook, twitter or linkedin account.
...
Background task, progress dialog, orientation change - is there any 100% working solution?
I download some data from internet in background thread (I use AsyncTask ) and display a progress dialog while downloading. Orientation changes, Activity is restarted and then my AsyncTask is completed - I want to dismiss the progess dialog and start a new Activity. But calling dismissDialog someti...
How to scroll to bottom in a ScrollView on activity startup
I am displaying some data in a ScrollView. On activity startup (method onCreate) I fill the ScrollView with data and want to scroll to the bottom.
...
What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
... to have a table "Person" with a column "id" that references a column "id" in table "Worker"
5 Answers
...
Prevent browser from loading a drag-and-dropped file
I'm adding an html5 drag and drop uploader to my page.
10 Answers
10
...
How to use ssh agent forwarding with “vagrant ssh”?
...n a vagrant box, I would like to re-use the key pair I have on my host machine, using agent forwarding . I've tried setting config.ssh.forward_agent to TRUE in the Vagrantfile, then rebooted the VM, and tried using:
...
Why use symbols as hash keys in Ruby?
A lot of times people use symbols as keys in a Ruby hash.
4 Answers
4
...
Is there a way of having git show lines added, lines changed and lines removed?
...
You can use:
git diff --numstat
to get numerical diff information.
As far as separating modification from an add and remove pair, --word-diff might help. You could try something like this:
MOD_PATTERN='^.+(\[-|\{\+).*$' \
ADD_PATTERN='^\{\+.*\+\}$' \
REM_PATTERN='^\[-.*-\]$' \...
What’s the best way to reload / refresh an iframe?
I would like to reload an <iframe> using JavaScript. The best way I found until now was set the iframe’s src attribute to itself, but this isn’t very clean. Any ideas?
...
What's the difference between Ruby's dup and clone methods?
...
Subclasses may override these methods to provide different semantics. In Object itself, there are two key differences.
First, clone copies the singleton class, while dup does not.
o = Object.new
def o.foo
42
end
o.dup.foo # raises NoMethodError
o.clone.foo # returns 42
Second, clone pr...