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Count number of days between two dates
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Doesn't work for (Time.zone.now.to_date - 23.hours.ago.to_date).to_i, it gives 1 and should be 0
– Yuri Ghensev
Feb 4 '17 at 16:21
3
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Avoiding “resource is out of sync with the filesystem”
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It now seems to be called "Refresh using native hooks or polling" (Indigo SR1).
– Oliver Bock
Aug 14 '12 at 1:21
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How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
... and have it apply to just that project. Just thought some might want to know that here as well.
– Nick Gronow
Jun 2 '14 at 13:17
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Clang vs GCC for my Linux Development project
...cc (ah competition). They created a wiki page to showcase it here. gcc 4.8 now has quite good diagnostics as well (gcc 4.9x added color support). Clang is still in the lead, but the gap is closing.
Original:
For students, I would unconditionally recommend Clang.
The performance in terms of gene...
RAII and smart pointers in C++
... should be anyway), closing the file is taken care of for us. So, our code now looks something like:
File file("/path/to/file");
// Do stuff with file
// No need to close it - destructor will do that for us
This cannot be done in Java since there's no guarantee when the object will be destroyed, ...
Java Security: Illegal key size or default parameters?
...ed a question about this earlier, but it didn't get answered right and led nowhere.
19 Answers
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How do I run IDEA IntelliJ on Mac OS X with JDK 7?
I use Mac OS X 10.8.2, and use JDK 7. Now I downloaded the latest version of IDEA IntelliJ, 11. But it doesn't seem to start without JDK 6. Is there any workaround?
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Specify sudo password for Ansible
...extra-vars "ansible_sudo_pass=yourPassword"
Update 2017: Ansible 2.2.1.0 now uses var ansible_become_pass. Either seems to work.
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Setting default permissions for newly created files and sub-directories under a directory in Linux?
...er linux systems are configured with per-user groups by default.
I don't know of a way to force the permissions you want if the user's umask is too strong.
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Difference between
...at you can only read from it and you'll get a T or subclass of T.
super
Now consider List <? super T>.
The wildcard declaration of List<? super Integer> foo3 means that any of these are legal assignments:
List<? super Integer> foo3 = new ArrayList<Integer>(); // Integer...