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How to show “Done” button on iPhone number pad
...wWillDisappear:animated];
}
- (UIView *)findFirstResponderUnder:(UIView *)root {
if (root.isFirstResponder)
return root;
for (UIView *subView in root.subviews) {
UIView *firstResponder = [self findFirstResponderUnder:subView];
if (firstResponder != nil)
...
android fragment- How to save states of views in a fragment when another fragment is pushed on top o
...Exemple follows:
public class AFragment extends Fragment {
private View mRootView;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if(mRootView==null){
mRootView = inflater.inflate(R.id.fragment_a, container, false...
Find the IP address of the client in an SSH session
...s with non-sudoed users. e.g. if you have an ssh user and then escalate to root, a new shell is created and these variables are lost, unless you can trace back through the tree to find the original ssh pid and get the variables from /proc/$PID/environ
– Andrej
...
Which websocket library to use with Node.js? [closed]
...iving post request');
});
app.listen(80); //port 80 need to run as root
console.log("app listening on %d ", 80);
var server = http.createServer(app);
server.listen(port);
console.log("http server listening on %d", port);
var userId;
var wss = new WebSocketServer({server: server})...
How to provide different Android app icons for different gradle buildTypes?
...is as follows, and your launcher icon is called ic_launcher.png:
[Project Root]
-[Module]
-src
-main
-res
-drawable-*
-ic_launcher.png
Then to add a separate icon for the debug build type, you add:
[Project Root]
-[Module]
-src
-main
...
proper way to sudo over ssh
...do --prompt="" -S -- whoami << EOF
> <remote_sudo_password>
root
We're telling sudo not to issue a prompt, and to take its input from stdin. This makes the sudo password passing completely silent so the only response you get back is the output from whoami.
This technique has the b...
Android selector & text color
...
I tried this with the root Layout of a view that I made for my ListFragment, and ended up with a bunch of errors. What am I doing wrong?
– MowDownJoe
Apr 3 '13 at 13:55
...
How do I install a module globally using npm?
...ur program, using
require('whatever'), then install it
locally, at the root of your
project.
If you’re installing something that you want to use in your shell, on the
command line or something, install
it globally, so that its binaries
end up in your PATH environment
variable.
...
After installation of Gulp: “no command 'gulp' found”
...
I am asked to run npm install -g gulp as sudo (Root . Admin) but if I do that then when I am exiting to normal user it cant find gulp command. I dont think its good to stay in root for everything I'd rather get my environment properly working. So anyone know what could c...
译文：理解Java中的弱引用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...方面的专家，但是我认为至少你应该了解什么是弱引用，如何使用它们，并且什么场景使用。既然它们是一些不知名的概念，我简单就着前面的三个问题来说明一下。
强引用(Strong Reference)
强引用就是我们经常使用的引用，其...