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Change text color of one word in a TextView
...t + next, BufferType.SPANNABLE);
Spannable s = (Spannable)t.getText();
int start = first.length();
int end = start + next.length();
s.setSpan(new ForegroundColorSpan(0xFFFF0000), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
you have to use spannable this will also allows you to increase some t...
Unique (non-repeating) random numbers in O(1)?
...ues 0-1000 and set a variable, max, to the current max index of the array (starting with 1000). Pick a random number, r, between 0 and max, swap the number at the position r with the number at position max and return the number now at position max. Decrement max by 1 and continue. When max is 0,...
Redirect stdout pipe of child process in Go
...want to have the stdout of the child program in my terminal window where I started the parent program. One way to do this is with the cmd.Output() function, but this prints the stdout only after the process has exited. (That's a problem because this server-like program runs for a long time and I w...
How do I put an already-running process under nohup?
...l you exit your shell) This allows you to see all the jobs that this shell started." (from [quantprinciple.com/invest/index.php/docs/tipsandtricks/unix/…)
– Dr. Jan-Philip Gehrcke
Mar 17 '11 at 13:46
...
How to refresh app upon shaking the device?
...rth gravity. Otherwise you would get a strong "shake" when the application starts and "hits" the ground from free-fall. However, the code gets used to the gravitation due to the low-cut filter and would work also on other planets or in free space, once it is initialized.
(you never know how long you...
Merge multiple lines (two blocks) in Vim
...:global, :move, and :join commands. Assuming that
the first block of lines starts on the first line of the buffer, and
that the cursor is located on the line immediately preceding the first
line of the second block, the command is as follows.
:1,g/^/''+m.|-j!
For detailed explanation of this tech...
onSaveInstanceState () and onRestoreInstanceState ()
... as well, but not very common. (onRestoreInstanceState() is called after onStart(), whereas onCreate() is called before onStart().
Use the put methods to store values in onSaveInstanceState():
protected void onSaveInstanceState(Bundle icicle) {
super.onSaveInstanceState(icicle);
icicle.putLong...
Eclipse error: 'Failed to create the Java Virtual Machine'
I am getting this error message when I start Eclipse Helios on Windows 7:
41 Answers
4...
Is there a way to use shell_exec without waiting for the command to complete?
...t have any effect on client side:
ob_end_clean();
ignore_user_abort();
ob_start();
header("Connection: close");
echo json_encode($out);
header("Content-Length: " . ob_get_length());
ob_end_flush();
flush();
// execute your command here. client will not wait for response, it already has one above.
...
Ruby on Rails console is hanging when loading
For whatever reason, the Ruby on Rails console refuses to start; it just hangs. I haven't made any changes to my code, and other projects using the same version of Ruby and Ruby on Rails have no issue. When I finally Ctrl + C I get this stack trace, which points to Spring.
...