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Memcached vs APC which one should I choose? [closed]
...is (also APC will get integrated into php6 iirc, so why not start using it now).
You can/should use both for different purposes.
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Is there a quicker / better way to clear the iPhone Simulator cache than deleting its directory?
...o the Keyboard Shortcut:. (I use command-period)
Click the Add button.
Now, while in your iOS Simulator, you can simply use your new shortcut key to reset.
If the Simulator doesn't appear in the drop down list:
In a Finder window, go to your Applications folder.
Right-click Xcode and choose...
What are detached, persistent and transient objects in hibernate?
...ng it with a Session:
Long id = (Long) session.save(person);
// person is now in a persistent state
Now, if we close the Hibernate Session, the persistent instance will become a detached instance: it isn't attached to a Session anymore (but can still be modified and reattached to a new Session la...
How to disable typing special characters when pressing option key in Mac OS X? [closed]
Now when I press option-b, I will get ∫. I don't need to type special characters and need to map option-b to shortcuts to certains applications. Is there any way to do this?
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Postgresql - unable to drop database because of some auto connections to DB
...tever was trying to auto-connect should no longer be able to do so.
You'll now be able to drop the DB.
This won't work if you're using superuser connections for normal operations, but if you're doing that you need to fix that problem first.
After you're done dropping the database, if you create the...
How can I reconcile detached HEAD with master/origin?
...dlink .git/HEAD. But symbolic links are not entirely portable, so they are now deprecated and symbolic refs (as described above) are used by default."
– Dmitry Minkovsky
Aug 2 '13 at 2:43
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Check difference in seconds between two times
... (dateTime1 - dateTime2).TotalSeconds;
In your case, you 'd use DateTime.Now as one of the values and the time in the list as the other. Be careful of the order, as the result can be negative if dateTime1 is earlier than dateTime2.
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How does variable assignment work in JavaScript?
... example, you are assigning a brand new object.
a = b = {};
a and b are now pointers to the same object. So when you do:
a.foo = 'bar';
It sets b.foo as well since a and b point to the same object.
However!
If you do this instead:
a = 'bar';
you are saying that a points to a different ob...
Calculate total seconds in PHP DateInterval
...
Could you not compare the time stamps instead?
$now = new DateTime('now');
$diff = $date->getTimestamp() - $now->getTimestamp()
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Center a column using Twitter Bootstrap 3
... <div class="col-md-2 col-md-offset-5"></div>
</div>
Now, there's an obvious drawback for this method. It only works for even column sizes, so only .col-X-2, .col-X-4, col-X-6, col-X-8, and col-X-10 are supported.
Approach 2 (the old margin:auto)
You can center any column s...