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Good way of getting the user's location in Android
...etting the user's current location within a threshold ASAP and at the same time conserve battery.
10 Answers
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How to delete a row by reference in data.table?
...ows could be inserted (and deleted) at the end, instantly; e.g., a growing time series.
It's filed as an issue: Delete rows by reference.
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smart pointers (boost) explained
... that only one smart pointer can ever point to the same object at the same time. If the smart pointer is to be returned from functions, the ownership is transferred to the returned smart pointer, for example.
The third means that multiple smart pointers can point to the same object at the same tim...
Unmangling the result of std::type_info::name
... my previous comment but I cannot edit that. What I wanted to write: "Last time I checked abi::__cxa_demangle expected it to be allocated on the heap." Thank you very much for looking up the doc!
– Ali
Aug 29 '12 at 19:05
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Convert UTC Epoch to local date
... assumes it’s local epoch. I tried creating a UTC object, then using setTime() to adjust it to the proper epoch, but the only method that seems useful is toUTCString() and strings don’t help me. If I pass that string into a new date, it should notice that it’s UTC, but it doesn’t.
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Capture keyboardinterrupt in Python without try-except
...and wait forever using a threading.Event:
import signal
import sys
import time
import threading
def signal_handler(signal, frame):
print('You pressed Ctrl+C!')
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
print('Press Ctrl+C')
forever = threading.Event()
forever.wait()
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Android error: Failed to install *.apk on device *: timeout
I'm getting this error from time to time and don't know what causing this:
When trying to run/debug an Android app on a real device (Galaxy Samsung S in my case) I'm getting the following error in the Console:
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Convert columns to string in Pandas
... to_json() probably does not call astype(str) as it leaves datetime64 and its subclasses as milliseconds since epoch.
– Sussch
Jul 10 '19 at 5:41
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sed in-place flag that works both on Mac (BSD) and Linux
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Note that -i and -i'' are identical at shell parsing time; sed can’t behave differently on those two first invocations, because it gets the exact same arguments.
– wchargin
Jun 4 '19 at 21:07
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print call stack in C or C++
...here any way to dump the call stack in a running process in C or C++ every time a certain function is called? What I have in mind is something like this:
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