...fresh even if you delete the thumnail/image from your server. But Facebook allows you to refresh by using fbrefresh I hope this helps. share | improve this answer | follow ...

... Do a count of all records, generate a random number between 0 and the count, and then do: db.yourCollection.find().limit(-1).skip(yourRandomNumber).next() share ...

... answered Mar 15 '13 at 4:54 Arun P JohnyArun P Johny 356k5757 gold badges486486 silver badges490490 bronze badges ...

... This really looks like a file permissions error. Unix domain sockets are files and have user permissions just like any other. It looks as though the OSX user attempting to access the database does not have file permissions to acce...

... Decorator pattern achieves a single objective of dynamically adding responsibilities to any object. Consider a case of a pizza shop. In the pizza shop they will sell few pizza varieties and they will also provide toppings in the menu. Now imagine a situation wherein if the piz...

...then assign it to the location/name on the left. In this case, we aren't really "doing" anything - just making zeroes. The left side is saying: look at the d object, inside the d object (the square brackets), find all the elements that return TRUE (is.na(d) returns a logical for each element). Once...

... – Per Hornshøj-Schierbeck Apr 20 '15 at 9:13  |  show 4 mo...

... | edited Oct 22 '15 at 23:29 pjvandehaar 97899 silver badges2323 bronze badges answered Mar 5 '...

...ere is no point. Even if you can verify that the email address is syntactically valid, you'll still need to check that it was not mistyped, and that it actually goes to the person you think it does. The only way to do that is to send them an email and have them click a link to verify. Therefore, a ...

... Actually - do I have to have both nobackup and nowritebackup? Is there a way to write a copy of the file as a backup, but not do this write/delete/rename stuff? – Merlyn Morgan-Graham Mar 2...