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What does void mean in C, C++, and C#?
...hing
Generic data pointer: void* data
-- 'data' is a pointer to data of unknown type, and cannot be dereferenced
Note: the void in a function argument is optional in C++, so int myFunc() is exactly the same as int myFunc(void), and it is left out completely in C#. It is always required for a retur...
SVN 405 Method Not Allowed
...ld not update with it, I cannot determine.
– roadsunknown
Aug 31 '10 at 23:14
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Was the case here...
Difference between volatile and synchronized in Java
...ariables cannot be reordered with each other. The difference is that it is now no longer so easy to reorder normal field accesses around them. Writing to a volatile field has the same memory effect as a monitor release, and reading from a volatile field has the same memory effect as a monitor acquir...
eclipse won't start - no java virtual machine was found
...nning fine yesterday (and has been since I installed it about a year ago). Now all the sudden I'm getting the following error on startup:
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Gem::LoadError for mysql2 gem, but it's already in Gemfile
...e with a specific mysql version like below
gem 'mysql2', '~> 0.3.18'
Now stop the server and run bundle
bundle install
Now restart your server. It should work.
rails s
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Error 1046 No database Selected, how to resolve?
... in SQL file. Can you please clarify that once more. I am having the issue now.
– Rahul S
Jul 15 '15 at 5:02
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Should I use string.isEmpty() or “”.equals(string)?
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Thank you for the explanation. Now I know why to favor "".equals(str) over str.equals("")! I was always wondering why others use this so often, but didn't take null values into account. Great :-)
– Peter Wippermann
De...
How to resolve “Waiting for Debugger” message?
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Prior to today I never had to do this, but now I have to. I must have changed a setting accidentally. But which?
– Eurig Jones
Feb 16 '17 at 15:02
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How can I get the MAC and the IP address of a connected client in PHP?
I need to know the MAC and the IP address of the connect clients, how can I do this in PHP?
16 Answers
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Using Node.JS, how do I read a JSON file into (server) memory?
...hings like Mongo, Alfred, etc out there, but that is not what I need right now.
11 Answers
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