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How can I list (ls) the 5 last modified files in a directory?
...n of commands to use depends in which direction you want your output to be ordered.
For the newest 5 files ordered from newest to oldest, use head to take the first 5 lines of output:
ls -t | head -n 5
For the newest 5 files ordered from oldest to newest, use the -r switch to reverse ls's sort o...
Haskell, Lisp, and verbosity [closed]
...answer:
almost anything you can do with macros you can do with a higher-order function (and I include monads, arrows, etc.), but it might require more thinking (but only the first time, and it's fun and you'll be a better programmer for it), and
the static system is sufficiently general that it n...
How to install ia32-libs in Ubuntu 14.04 LTS (Trusty Tahr)
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Or if you want to install the whole ia32-lib instead, try the following order:
sudo -i
cd /etc/apt/sources.list.d
echo "deb http://old-releases.ubuntu.com/ubuntu/ raring main restricted universe multiverse" >ia32-libs-raring.list
apt-get update
apt-get install ia32-libs
PS: In this way, y...
Why should I use Deque over Stack?
...lso as pointed out in the comments, Stack and Deque have reverse iteration orders:
Stack<Integer> stack = new Stack<>();
stack.push(1);
stack.push(2);
stack.push(3);
System.out.println(new ArrayList<>(stack)); // prints 1, 2, 3
Deque<Integer> deque = new ArrayDeque<>...
When NOT to use Cassandra?
... that problem.
I will try to answer your questions one by one in the same order you asked them. Since Cassandra is based on the NoSQL family of databases, it's important you understand why use a NoSQL database before I answer your questions.
Why use NoSQL
In the case of RDBMS, making a choice is ...
Why are const parameters not allowed in C#?
...ially for C++ developers. In C++ we used to mark a parameter as const in order to be sure that its state will not be changed in the method. There are also other C++ specific reasons, like passing const ref in order to pass by ref and be sure that state will not be changed. But why can't we mark ...
Combining CSS Pseudo-elements, “:after” the “:last-child”
...ks. But, the final content attribute needs to be set to {content:none;} in order to eliminate the final pipe character.
– aridlehoover
Aug 19 '11 at 11:07
2
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Map enum in JPA with fixed values?
... be unique, whereas any other values or fields are not. It's true that the order could change (don't use ordinal) and the name could be changed as well (don't change enum names :P), but so could any other value... I'm not sure that I see the great value with adding the ability to store a different v...
What is the .idea folder?
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How do you sort a list in Jinja2?
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It could be handy to display values in reverse orders (it could be interesting for ratings for example), in this case just use the option reverse=True.
– Romain
Oct 21 '18 at 19:20
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