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What is a smart pointer and when should I use one?
...he MyObject is automatically destroyed.
// ptr->Oops(); // Compile error: "ptr" not defined
// since it is no longer in scope.
}
Note that std::unique_ptr instances cannot be copied. This prevents the pointer from being deleted multiple times (incorrectly). You can, how...
How many threads is too many?
...f requests coming in and are out of threads? Create more? Block? Return an error? Place your requests in a pool that can be as large as need be, and then feed these queued requests to your thread pool as threads become free.
– Andrew Grant
Jan 27 '09 at 1:51
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Search for executable files using find command
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Error find: invalid mode ‘+111’ on findutils 4.5.11 4.fc20.
– sourcejedi
Jul 17 '14 at 10:31
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Why does Date.parse give incorrect results?
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@Daniel—fortunately the ECMAScript authors fixed their error with respect to missing time zone for date and time representations. Now date and time strings without a timezone use the host timezone offset (i.e. "local"). Confusingly, ISO 8601 date only forms are treated as UTC (ev...
OAuth secrets in mobile apps
...send to your server and verify. Sorry I don't have the specifics. It is an error that could use some good examples.
– Dick Hardt
Mar 26 '15 at 21:13
3
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Can I 'git commit' a file and ignore its content changes?
...72a914a..106a261 master -> origin/master
Updating 72a914a..106a261
error: Your local changes to the following files would be overwritten by merge:
filename.ext
and will refuse to merge.
At that point, you can overcome this by either reverting your local changes, here’s o...
ViewPager and fragments — what's the right way to store fragment's state?
...tating and there is no need to add it again. Doing so is a common cause of errors when working with fragments.
A usual approach when working with fragments is this:
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
...
CustomFragment fragment;
...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...ing the PI from the host. But when I try ssh, I get the connection refused error you mentioned in your answer. And yes, I did create the empty ssh file in the boot partition of my PI. According to the release notes downloads.raspberrypi.org/raspbian/release_notes.txt this should still be a valid app...
How do I measure time elapsed in Java? [duplicate]
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Because it is senselessly error-prone (as the comment illustrates) and harder to read.
– Kevin Bourrillion
Nov 7 '14 at 18:34
7
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Set every cell in matrix to 0 if that row or column contains a 0
... row and column are both 1s.
Coding it will be tricky to avoid off-by-one errors etc but it should work in one pass.
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