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Why does Java allow us to compile a class with a name different than the file name?
...nvention, the classpath class loader might need to open and parse files in order to find classes
– Andrei Nicusan
Nov 25 '13 at 14:45
...
Bin size in Matplotlib (Histogram)
...r 21 (from the first array) falls between 21 and 30 (in the 'bins' array), etc.
Then I'm using the 'weights' parameter to define the size of each bin. This is the array used for the weights parameter: [10,1,40,33,6].
So the 0 to 10 bin is given the value 10, the 11 to 20 bin is given the value of...
Where should @Service annotation be kept? Interface or Implementation?
...
Basically annotations like @Service, @Repository, @Component, etc. they all serve the same purpose:
auto-detection when using annotation-based configuration and classpath
scanning.
From my experience I am always using @Service annotation on the interfaces or abstract classes an...
What is Domain Driven Design?
...tackoverflow.com/a/1222488/1240557
OLD ANSWER (not so complete :))
In order to create good software, you have to know what that software
is all about. You cannot create a banking software system unless you
have a good understanding of what banking is all about, one must
understand the dom...
SHA1 vs md5 vs SHA256: which to use for a PHP login?
...tnik SHA512 is a good alternative. Don't get me wrong; I'm not saying a stretched and salted SHA512 hash is insecure. It's secure. Even so, the fact remains that bcrypt is more secure, and so I see no reason not to use it.
– Johannes Gorset
Feb 15 '10 at 6:41
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Emacs on Mac OS X Leopard key bindings
...ork, but this result in me not being able to type braces and pipes '[]{}|' etc since they are on Option-7 and option now... well maps to meta. Any ideas?
– Martin Wickman
Oct 6 '09 at 15:15
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Count with IF condition in MySQL query
...yer2'
AND `ccc_news`.`status` = 'Active'
GROUP BY
ccc_news.news_id
ORDER BY
ccc_news.set_order ASC
LIMIT 20
share
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How to check if a symlink exists
... just test to see if it exists regardless of type (file, directory, socket etc) then use -e
So if file is really file and not just a symbolic link you can do all these tests and
get an exit status whose value indicates the error condition.
if [ ! \( -e "${file}" \) ]
then
echo "%ERROR: file $...
How do I convert an interval into a number of hours with postgres?
...
select floor((date_part('epoch', order_time - '2016-09-05 00:00:00') / 3600)), count(*)
from od_a_week
group by floor((date_part('epoch', order_time - '2016-09-05 00:00:00') / 3600));
The ::int conversion follows the principle of rounding.
If you want a di...
Amazon Interview Question: Design an OO parking lot [closed]
...ps array of ParkingSpaces, and a separate array of vacant ParkingSpaces in order of distance from its Entrance.
ParkingLotSign can be told to display "full", or "empty", or "blank/normal/partially occupied" by calling .Full(), .Empty() or .Normal()
Parker is a class.
Parker can Park().
Parker ca...