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How to find the sum of an array of numbers
...s verbose : [1, 2, 3].reduce((a,b)=>a+b)
– Denys Séguret
Apr 29 '15 at 15:35
1
I wonder if th...
What is an ORM, how does it work, and how should I use one? [closed]
... here:
Java: Hibernate.
PHP: Propel or Doctrine (I prefer the last one).
Python: the Django ORM or SQLAlchemy (My favorite ORM library ever).
C#: NHibernate or Entity Framework
If you want to try an ORM library in Web programming, you'd be better off using an entire framework stack like:
Symfo...
What is a callback?
...xplanation only works with a good choreography :)
– Sébastien Sevrin
Jun 12 '15 at 8:22
...
How to delete all datastore in Google App Engine?
...
@svrist But that only applies to the Python app engine. Does anybody know how a shortcut for doing it in Java? (In the meantime, JohnIdol's suggestion works well.)
– mgiuca
Apr 29 '11 at 7:44
...
How to list all users in a Linux group?
...
Use Python to list groupmembers:
python -c "import grp; print grp.getgrnam('GROUP_NAME')[3]"
See https://docs.python.org/2/library/grp.html
share
...
Match everything except for specified strings
...
It's valid Python, too.
– Joe Mornin
Mar 17 '15 at 22:13
...
Recursively counting files in a Linux directory
...tput as JSON. It can list 34k folders and 51k files in very few seconds. Olé!
– brasofilo
Jan 10 '19 at 5:46
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Include CSS,javascript file in Yii Framework
...t 23 '12 at 10:47
Fabrício Matté
63.9k2222 gold badges115115 silver badges156156 bronze badges
answered Jan 5 '10 at 10:28
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top -c command in linux to filter processes listed based on processname
...ss is like top -c -p 920,1345,1346 wich is fixed.
– Jérôme Gillard
May 23 '16 at 10:34
4
Using ...
Looping in a spiral
...
Here's my solution (in Python):
def spiral(X, Y):
x = y = 0
dx = 0
dy = -1
for i in range(max(X, Y)**2):
if (-X/2 < x <= X/2) and (-Y/2 < y <= Y/2):
print (x, y)
# DO STUFF...
if ...