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C++: What is the size of an object of an empty class?
..., the reason the size is non-zero is "To ensure that the addresses of two different objects will be different." And the size can be 1 because alignment doesn't matter here, as there is nothing to actually look at.
share
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Service Reference Error: Failed to generate code for the service reference
...needed, you can add the service reference from a Class Library project specifically created for that purpose. Check my reply for additional info.
– Florin Dumitrescu
Apr 3 '13 at 12:26
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How can I center an absolutely positioned element in a div?
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what if user has scrolled the page down, overylay appears on the top, do you think it will be a good idea to use jquery to fix scroll issue
– PUG
Sep 1 '12 at 5:45
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How to write :hover condition for a:before and a:after?
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This depends on what you're actually trying to do.
If you simply wish to apply styles to a :before pseudo-element when the a element matches a pseudo-class, you need to write a:hover:before or a:visited:before instead. Notice the pseudo-element comes after the pseudo-class (a...
In Ruby, how do I skip a loop in a .each loop, similar to 'continue' [duplicate]
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Use next:
(1..10).each do |a|
next if a.even?
puts a
end
prints:
1
3
5
7
9
For additional coolness check out also redo and retry.
Works also for friends like times, upto, downto, each_with_index, select, map and other iterators (and more generally b...
Call to undefined function curl_init().? [duplicate]
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If you're on Windows:
Go to your php.ini file and remove the ; mark from the beginning of the following line:
;extension=php_curl.dll
After you have saved the file you must restart your HTTP server software (e.g. Apache) ...
Should I use “hasClass” before “addClass”? [duplicate]
...ss the following script which checks whether an element has class a , and if not, adds it:
3 Answers
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Increase heap size in Java
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You can increase to 4GB on a 32 bit system. If you're on a 64 bit system you can go higher. No need to worry if you've chosen incorrectly, if you ask for 5g on a 32 bit system java will complain about an invalid value and quit.
As others have posted, use the cmd-line ...
How do I forward declare an inner class? [duplicate]
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You can use friend to work around this, if you want.
– Erik Aronesty
Jun 14 '16 at 16:32
5
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Multiple commands on a single line in a Windows batch file
...s.
There's also && (or ||) which only executes the second command if the first succeeded (or failed), but the single ampersand & is what you're looking for here.
That's likely to give you the same time however since environment variables tend to be evaluated on read rather than exec...