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How to return smart pointers (shared_ptr), by reference or by value?
...to avoid
needless copies:
get_names(std::vector<std::string>& out_param );
...
std::vector<std::string> names;
get_names( names );
Unfortunately, this approach is far from ideal.
The code grew by 150%
We’ve had to drop const-ness because we’re mutating names.
...
How to send data to local clipboard from a remote SSH session
... using only the keyboard.
The essence of the solution:
commandThatMakesOutput | ssh desktop pbcopy
When run in an ssh session to a remote computer, this command takes the output of commandThatMakesOutput (e.g. ls, pwd) and pipes the output to the clipboard of the local computer (the name or IP...
How to debug Ruby scripts [closed]
...returns an error message that conveniently contains .inspect information about the object/method (i.e. foo) on the line that you're trying to debug.
This technique is useful for quickly examining an object or method (e.g. is it nil?) and for immediately confirming whether a line of code is even g...
Percentage Height HTML 5/CSS
...
¬_¬ It took me 20 minutes to figure out I had to set the height of the document to 100%, too. I read this a bit too late, but it's very brilliant, still. sigh
– omninonsense
Dec 30 '11 at 14:41
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Synchronization vs Lock
...pted (lockInterruptibly(), and an attempt to acquire the lock that can timeout (tryLock(long, TimeUnit)).
...
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Why does 'continue' behave like 'break' in a Foreach-Object?
...ontinue;} else {Write-Host $_} }
Write-Host "after"
}
You will get output as:
1
after
3
after
It is because the continue gets applied to the outer foreach loop and not the foreach-object cmdlet. In absence of a loop, the outermost level, hence giving you an impression of it acting like br...
Remote Connections Mysql Ubuntu
... you get through all this and still have issues post some additional error output and the my.cnf appropriate lines.
NOTE: If lsof does not return or is not found you can install it HERE based on your Linux distribution. You do not need lsof to make things work, but it is extremely handy when things...
Thread pooling in C++11
...design all this yourself" <- that is what I'm trying to avoid doing. Goroutines seem fantastic, though.
– Yktula
Apr 1 '13 at 22:38
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Why is a round-trip conversion via a string not safe for a double?
...ile (*src) *dst++ = *src++;
}
*dst = 0;
}
}
It turns out that _ecvt returns the string 845512408225570.
Notice the trailing zero? It turns out that makes all the difference!
When the zero is present, the result actually parses back to 0.84551240822557006, which is your origina...
Storing DateTime (UTC) vs. storing DateTimeOffset
...to UTC), so I can use DateTime.Now (derivations and comparisions) throughout the system without worrying about time zones.
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