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Android destroying activities, killing processes
...e.
If an activity is paused or stopped, the system can drop the activity from memory by either asking it to finish, or simply killing
its process. When it is displayed again to the user, it must be
completely restarted and restored to its previous state.
And, for the process lifecycle:
...
Logging Clientside JavaScript Errors on Server [closed]
...t part of any specification, support is somewhat flaky.
Here's an example from Using XMLHttpRequest to log JavaScript errors:
window.onerror = function(msg, url, line)
{
var req = new XMLHttpRequest();
var params = "msg=" + encodeURIComponent(msg) + '&url=' + encodeURIComponent(url) + ...
Is there an expression for an infinite generator?
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The /dev/urandom solution hinges on \ns appearing from time to time... Devious! :)
– hugomg
Apr 21 '11 at 2:23
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How to get duration, as int milli's and float seconds from ?
... it is duration<long long, nano>. So there's an implicit conversion from integral-based nanoseconds to float-based seconds happening on that line, only because the destination type is specified with fsec.
– Howard Hinnant
Jan 18 '13 at 17:45
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Update a local branch with the changes from a tracked remote branch
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git pull
while you have my_local_branch checked out, and it will update from the tracked branch.
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Curious null-coalescing operator custom implicit conversion behaviour
...before code generation -- we reduce the expression
result = Foo() ?? y;
from the example above to the moral equivalent of:
A? temp = Foo();
result = temp.HasValue ?
new int?(A.op_implicit(Foo().Value)) :
y;
Clearly that is incorrect; the correct lowering is
result = temp.HasValue ? ...
Timeout command on Mac OS X?
...u need timeout, use
gtimeout
..instead. To explain why here's a snippet from the Homebrew Caveats section:
Caveats
All commands have been installed with the prefix 'g'.
If you really need to use these commands with their normal names, you
can add a "gnubin" directory to your PATH ...
How to insert an item into an array at a specific index (JavaScript)?
...ause most of the answers are pre ES6, but this approach is very common now from my experience
– gafi
Dec 16 '17 at 22:35
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Adding new column to existing DataFrame in Python pandas
...sn't necessarily say you did it wrong (it can trigger false positives) but from 0.13.0 it let you know there are more adequate methods for the same purpose. Then, if you get the warning, just follow its advise: Try using .loc[row_index,col_indexer] = value instead
>>> df1.loc[:,'f'] = pd.S...
Get the subdomain from a URL
Getting the subdomain from a URL sounds easy at first.
16 Answers
16
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