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Can't connect to local MySQL server through socket homebrew
I recently tried installing MySQL with homebrew ( brew install mysql ) and when I try to run it I get the following error:
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Element-wise addition of 2 lists?
... There are many times where python syntax is really elegant and simple, but unfortunately this isn't one of them. And for such a simple task, it's a pity.... Why would they make "+" concatenate the lists when there's already the .extend() method?
– Nic Scozzaro
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System.Timers.Timer vs System.Threading.Timer
I have been checking out some of the possible timers lately, and System.Threading.Timer and System.Timers.Timer are the ones that look needful to me (since they support thread pooling).
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Using LINQ to concatenate strings
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This answer shows usage of LINQ (Aggregate) as requested in the question and is not intended for everyday use. Because this does not use a StringBuilder it will have horrible performance for very long sequences. For regular code use String.Join as shown in the other answer
Use aggregate queries l...
What is the argument for printf that formats a long?
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On most platforms, long and int are the same size (32 bits). Still, it does have its own format specifier:
long n;
unsigned long un;
printf("%ld", n); // signed
printf("%lu", un); // unsigned
For 64 bits, you'd want a long long:
long long n;
uns...
How to programmatically display version/build number of target in iOS app?
...ase number is for the customers, called version number. It starts with 1.0 and goes up for major updates to 2.0, 3.0, for minor updates to 1.1, 1.2 and for bug fixes to 1.0.1, 1.0.2 . This number is oriented about releases and new features. It does not have to stop at 9, 1.11.23 is a reasonable vers...
Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
...was removed from the official developer documentation . (See Why doesn't Android use more enums? for the old section content)
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foldl versus foldr behavior with infinite lists
...r folding a list of n values [x1, x2, x3, x4 ... xn ] with some function f and seed z.
foldl is:
Left associative: f ( ... (f (f (f (f z x1) x2) x3) x4) ...) xn
Tail recursive: It iterates through the list, producing the value afterwards
Lazy: Nothing is evaluated until the result is needed
Backw...
ImportError: No module named site on Windows
... does not include source) . I then ran the installer, selected 'All Users' and all was fine. I installed Python into the default location:
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Docker - a way to give access to a host USB or serial device?
...in /dev/bus/usb, you can mount this in the container using privileged mode and the volumes option. For example:
docker run -t -i --privileged -v /dev/bus/usb:/dev/bus/usb ubuntu bash
Note that as the name implies, --privileged is insecure and should be handled with care.
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