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Detect application heap size in Android
...Percentage < MIN_AVAILABLE_MEMORY_PERCENTAGE) {
try {
Thread.sleep(DELAY_TIME);
} catch (InterruptedException e) {
e.printStackTrace();
}
waitForGarbageCollector(
callback);
} else {
// Memory resources are availavle, go to next operation:
callback....
How to set a Timer in Java?
... (final InterruptedException e) {
// The thread was interrupted during sleep, wait or join
}
catch (final TimeoutException e) {
// Took too long!
}
catch (final ExecutionException e) {
// An exception from within the Runnable task
}
finally {
service.shutdown();
}
This will execute...
IOException: read failed, socket might closed - Bluetooth on Android 4.3
...hSocket(bluetoothSocket.getUnderlyingSocket());
Thread.sleep(500);
bluetoothSocket.connect();
success = true;
break;
} catch (FallbackException e1) {
Log.w("BT", "C...
Is it worth hashing passwords on the client side
... can't abuse or leak what you don't have, so both you and your clients can sleep better if you never ever see their clear-text passwords.
Therefore, hashing/encrypting client-side makes sense.
share
|
...
Fastest Way to Serve a File Using PHP
... {
echo fread($file, round($speed * 1024)); flush(); sleep(1);
}
fclose($file);
}
exit();
}
else
{
header(sprintf('%s %03u %s', 'HTTP/1.1', 404, 'Not Found'), true, 404);
}
return false;
}
The code is as ...
How to get root access on Android emulator?
...rtual device by loading a snapshot is
much like waking a physical from a sleep state, as opposed to booting
it from a powered-off state.
This implies the only requirement to start the emulator is adding the -writable-system parameter to the normal emulator -avd [avdname] command to start the e...
What is the meaning of “POSIX”?
...sem_*, shared memory (shm_*), kill, scheduling parameters (nice, sched_*), sleep, mkfifo, setpgid()
networking: socket()
memory management: mmap, mlock, mprotect, madvise, brk()
utilities: regular expressions (reg*)
Those APIs also determine underlying system concepts on which they depend, e.g. fo...
Best practice: AsyncTask during orientation change
...ring... urls) {
// Simulate a burdensome load.
int sleepSeconds = 4;
for (int i = 1; i <= sleepSeconds; i++) {
SystemClock.sleep(1000); // milliseconds
publishProgress(i * 20); // Adjust for a scale to 100
}
...
Check if at least two out of three booleans are true
... {
while(true)
{
work();
Thread.sleep(1000);
}
}
}
This prints the following on my machine (running Ubuntu on Intel Core 2 + sun java 1.6.0_15-b03 with HotSpot Server VM (14.1-b02, mixed mode)):
First and second iterations:
a&&b || b...
How do I handle the window close event in Tkinter?
... for i in range(10):
print((i+1), "of 10")
time.sleep(0.2)
lbl["text"] = str(time.time()) # Will error if force-closed.
root.update() # Force redrawing since we change label multiple times in a row.
busy_processing = False
root.after...