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Why use a ReentrantLock if one can use synchronized(this)?
...you could use synchronized(this) instead of ReentrantReadWriteLock but the opposite is not always true.
If you'd like to better understand what makes ReentrantReadWriteLock special look up some information about producer-consumer thread synchronization.
In general you can remember that whole-metho...
Is optimisation level -O3 dangerous in g++?
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I just use something like the opposite. I always use -Os or -O2 (sometimes O2 generates a smaller executable).. after profiling I use O3 on parts of the code that takes more execution time and that alone can give up to 20% more speed.
...
How to make a DIV not wrap?
...e size you could rather use something what is not rendered e.g. when using php: </div><?php ?><div class="slide"> renders as </div><div class="slide"> in the source code.
– Fleuv
Nov 3 '17 at 14:47
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What are the dark corners of Vim your mom never told you about? [closed]
...ant to roll back, and is dependent on undolevels. Can be reversed with the opposite command :later
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Change the name of the :id parameter in Routing resources for Rails
...; 'clients#show', :as => client
scope 'clients/:client_name' do
get 'sites/:name', :to => 'sites#show', :as => site
end
You would have to manually add all the routes that resources automatically creates for you, but it would achieve what you're looking for. You could also effectively u...
Java switch statement multiple cases
...):
case (98):
case (99):
case (100):
//your logic, opposite to what you put in default.
break;
default:
//your logic for 1 to 95. we enter default if nothing above is met.
break;
}
If you need finer control, if-else is the choice.
...
jQuery using append with effects
...tatusupdate").submit( function () {
$.post(
'ajax.php',
$(this).serialize(),
function(data){
$("#box").prepend($(data).fadeIn('slow'));
$("#status").val('');
}
);
even...
Check if page gets reloaded or refreshed in JavaScript
...page is closed so it will work only if page reloaded in a new tab with the site. You can also keep reload count the same way.
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What's the difference between require and require-dev? [duplicate]
...roduction version of your project.
Typically, these are packages such as phpunit/phpunit that you would only use during development.
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How to use z-index in svg elements?
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Ok. And you want #one is on #two or the opposite ?
– Lucas Willems
Jul 22 '13 at 11:55
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