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How do I move a redis database from one server to another?
...this dump.rdb to the other redis server you want to migrate to. When redis starts up, it looks for this file to initialize the database from.
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fo...
How to run crontab job every week on Sunday
...nation of the crontab format.
# 1. Entry: Minute when the process will be started [0-60]
# 2. Entry: Hour when the process will be started [0-23]
# 3. Entry: Day of the month when the process will be started [1-28/29/30/31]
# 4. Entry: Month of the year when the process will be started [1-12]
# 5. ...
How to create Gmail filter searching for text only at start of subject line?
...m subject:{"[term1] (part of term2"} I find all the messages with subjects starting exactly with [term1] (part of term2
– Izerlotti
Jan 3 at 7:55
...
Returning value from Thread
...wn(); // Release await() in the test thread.
}
};
uiThread.start();
latch.await(); // Wait for countDown() in the UI thread. Or could uiThread.join();
// value[0] holds 2 at this point.
}
You can also use an Executor and a Callable like this:
public void test() throws Inte...
Need a simple explanation of the inject method
...
inject takes a value to start with (the 0 in your example), and a block, and it runs that block once for each element of the list.
On the first iteration, it passes in the value you provided as the starting value, and the first element of the lis...
multiprocessing: How do I share a dict among multiple processes?
... Process(target=f, args=(d,))
p2 = Process(target=f, args=(d,))
p1.start()
p2.start()
p1.join()
p2.join()
print d
Output:
$ python mul.py
{1: '111', '2': 6}
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Measuring code execution time
...se to
accurately measure elapsed time.
Stopwatch stopwatch = Stopwatch.StartNew(); //creates and start the instance of Stopwatch
//your sample code
System.Threading.Thread.Sleep(500);
stopwatch.Stop();
Console.WriteLine(stopwatch.ElapsedMilliseconds);
...
Regex: Specify “space or start of string” and “space or end of string”
...
(^|\s) would match space or start of string and ($|\s) for space or end of string. Together it's:
(^|\s)stackoverflow($|\s)
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Git blame — prior commits?
... -- src/options.cpp
You can specify a revision for git blame to look back starting from (instead of the default of HEAD); fe25b6d^ is the parent of fe25b6d.
Edit: New to Git 2.23, we have the --ignore-rev option added to git blame:
git blame --ignore-rev fe25b6d
While this doesn't answer OP's que...
How to prevent the activity from loading twice on pressing the button
...bled(false);
Intent i = new Intent(this, AnotherActitivty.class);
startActivity(i);
Override onResume() to re-enable the button.
@Override
protected void onResume() {
super.onResume();
Button button1 = (Button) findViewById(R.id.button1);
button1.setEnabled(t...