大约有 42,000 项符合查询结果(耗时:0.0303秒) [XML]
onSaveInstanceState () and onRestoreInstanceState ()
I'm trying to save and restore the state of an Activity using the methods onSaveInstanceState() and onRestoreInstanceState() .
...
An example of how to use getopts in bash
...t;0 (for the sake of simplicity I didn't differentiate between those cases and nobody forces you to print the usage text in the latter case). I have seen programs which always return != 0, though, even on -h/--help. Maybe I should update the snippet in case people use this as boilerplate (I hope not...
How to convert string representation of list to a list?
...thon literal structures: strings, numbers, tuples, lists, dicts, booleans, and None.
share
|
improve this answer
|
follow
|
...
Command not found when using sudo
...file must have an executable permission bit set.
In order to fully understand Linux file permissions you can study the documentation for the chmod command. chmod, an abbreviation of change mode, is the command that is used to change the permission settings of a file.
To read the chmod documentatio...
Python - write() versus writelines() and concatenated strings
So I'm learning Python. I am going through the lessons and ran into a problem where I had to condense a great many target.write() into a single write() , while having a "\n" between each user input variable(the object of write() ).
...
How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?
...tion signals usually have the following order (according to many MAN pages and the POSIX Spec):
6 Answers
...
How do I make a Mac Terminal pop-up/alert? Applescript?
... edited Sep 9 '15 at 13:54
Andrew Marshall
87.3k1818 gold badges202202 silver badges204204 bronze badges
answered Apr 7 '11 at 22:20
...
How can I remove specific rules from iptables?
I am hosting special HTTP and HTTPS services on the ports 8006 and 8007 respectively. I use iptables to "activate" the server; i.e. to route the incoming HTTP and HTTPS ports:
...
Why do I get “Pickle - EOFError: Ran out of input” reading an empty file?
...kler.load()
Also open(target, 'a').close() is doing nothing in your code and you don't need to use ;.
share
|
improve this answer
|
follow
|
...
How set background drawable programmatically in Android
...rrect.
Another way to achieve it is to use the following:
final int sdk = android.os.Build.VERSION.SDK_INT;
if(sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
layout.setBackgroundDrawable(ContextCompat.getDrawable(context, R.drawable.ready) );
} else {
layout.setBackground(ContextComp...
