大约有 8,426 项符合查询结果(耗时:0.0222秒) [XML]
Android check internet connection [duplicate]
I want to create an app that uses the internet and I'm trying to create a function that checks if a connection is available and if it isn't, go to an activity that has a retry button and an explanation.
...
Is it possible to create static classes in PHP (like in C#)?
...
What happens if two threads call greet at the same time? As there is no synchronisation, won't initialise be called twice (which in this case is ok, but in many other cases would not). Or is php single threaded and non-preemptive l...
How to stop /#/ in browser with react-router?
...sions 1, 2 and 3 of react-router, the correct way to set the route to URL mapping scheme is by passing a history implementation into the history parameter of <Router>. From the histories documentation:
In a nutshell, a history knows how to listen to the browser's address bar for changes an...
How to dismiss keyboard for UITextView with return key?
...at when the return key is pressed, the keyboard for UITextView will disappear. But actually the return key can only act as '\n'.
...
Why git can't remember my passphrase under Windows
...erences to PuTTY commands below must be prefixed with the full path to the appropriate executable.)
If you have not done so already, then generate a key hash as instructed at GitHub or as instructed by your Git host.
Again, if you have not already done so, convert your key for use with PuTTY's pagea...
Why extend the Android Application class?
An extended Application class can declare global variables. Are there other reasons?
13 Answers
...
Window vs Page vs UserControl for WPF navigation?
I am currently writing a desktop application, but I cannot seem to get my head around what to use when redirecting someone to a new section of the application.
...
Read file data without saving it in Flask
I am writing my first flask application. I am dealing with file uploads, and basically what I want is to read the data/content of the uploaded file without saving it and then print it on the resulting page. Yes, I am assuming that the user uploads a text file always.
...
Is it possible dynamically to add String to String.xml in Android?
...$d is a decimal number. You can format the string with arguments from your application like this:
Resources res = getResources();
String text = String.format(res.getString(R.string.welcome_messages), username, mailCount);
Basic Usage
Note that getString has an overload that uses the string as a...
Datepicker: How to popup datepicker when click on edittext
...editText.setText(new StringBuilder()
// Month is 0 based so add 1
.append(_day).append("/").append(_month + 1).append("/").append(_birthYear).append(" "));
}
}
Also something that isn't mentioned in the others. Make sure you put the following on EditText xml.
android:focusable="false"
O...