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Site does not exist error for a2ensite
... Weird! This used to work fine without an extension in Ubuntu 12.04 and 12.10.
– FloatingRock
Mar 26 '14 at 11:21
...
comparing 2 strings alphabetically for sorting purposes
...ab"
All return true.
JavaScript compares strings character by character and "a" comes before "b" in the alphabet - hence less than.
In your case it works like so -
1 . "aaaa" < "ab"
compares the first two "a" characters - all equal, lets move to the next character.
2 . "...
mysqldump data only
...sh history (you'll be prompted to enter the password after you run the command).
– Dan
Aug 6 '15 at 10:19
2
...
What is the difference between vmalloc and kmalloc?
I've googled around and found most people advocating the use of kmalloc , as you're guaranteed to get contiguous physical blocks of memory. However, it also seems as though kmalloc can fail if a contiguous physical block that you want can't be found.
What are the advantages of having a contig...
How to add a list item to an existing unordered list?
...
You can do it also in more 'object way' and still easy-to-read:
$('#content ul').append(
$('<li>').append(
$('<a>').attr('href','/user/messages').append(
$('<span>').attr('class', 'tab').append("Message center")
)));
...
How do I trigger the success callback on a model.save()?
The model is correctly posted to the server which handles the save, but the success callback is not fired. Do I need to send something back from the server ?
...
Passing a single item as IEnumerable
...ss in a list or an array, then an unscrupulous piece of code could cast it and change the contents, leading to odd behaviour in some situations. You could use a read-only collection, but that's likely to involve even more wrapping. I think your solution is as neat as it gets.
...
“Invalid signature file” when attempting to run a .jar
My java program is packaged in a jar file and makes use of an external jar library, bouncy castle . My code compiles fine, but running the jar leads to the following error:
...
Why is January month 0 in Java Calendar?
...a date/time API. Listing what's wrong with it would take a very long time (and I'm sure I don't know half of the problems). Admittedly working with dates and times is tricky, but aaargh anyway.
Do yourself a favour and use Joda Time instead, or possibly JSR-310.
EDIT: As for the reasons why - as n...
Is there a way to simulate the C++ 'friend' concept in Java?
... in JAVA to replicate C++ friend mechanism.
Lets say I have a class Romeo and another class Juliet. They are in different packages (family) for hatred reasons.
Romeo wants to cuddle Juliet and Juliet wants to only let Romeo cuddle her.
In C++, Juliet would declare Romeo as a (lover) friend but th...