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What is the correct way to get a subarray in Scala?
.... What I would like the most would be something like how you can do it in python:
3 Answers
...
Does Django scale? [closed]
... 200TB of Code and 2.500.000 Users
Disqus: Serving 400 million people with Python.
curse.com: 600k daily visits.
tabblo.com: 44k daily visits, see Ned Batchelder's posts Infrastructure for modern web sites.
chesspark.com: Alexa rank about 179k.
pownce.com (no longer active): alexa rank about 65k.
Mi...
Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
...tions”:
Heroku sometimes has a problem with database load balancing.
André Laszlo, markshiz and me all reported dealing with that in comments on the question.
To save you the support call, here's the response I got from Heroku Support for a similar issue:
Hello,
One of the limitations of the hob...
How to convert IPython notebooks to PDF and HTML?
I want to convert my ipython-notebooks to print them, or simply send them in html format. I have noticed that there exists a tool to do that already, nbconvert . Although I have downloaded it, I have no idea how to convert the notebook, with nbconvert2.py since nbconvert says that it is deprecated....
Use logging print the output of pprint
...ging.DEBUG):" to avoid running pformat when you won't use its output: docs.python.org/2/library/…
– Ed Brannin
Aug 13 '13 at 16:58
2
...
facebook: permanent Page Access Token?
...Jul 29 '17 at 17:13
László Kenéz
5466 bronze badges
answered Apr 11 '17 at 14:56
dw1dw1
...
How do I use the lines of a file as arguments of a command?
...ed content into an eval-safe form:
quoted_list() {
## Works with either Python 2.x or 3.x
python -c '
import sys, pipes, shlex
quote = pipes.quote if hasattr(pipes, "quote") else shlex.quote
print(" ".join([quote(s) for s in sys.stdin.read().split("\0")][:-1]))
'
}
eval "set -- $(quoted_list...
How to listen for changes to a MongoDB collection?
...getNext();
print_r($doc);
} else {
sleep(1);
}
}
Python (by Robert Stewart)
from pymongo import Connection
import time
db = Connection().my_db
coll = db.my_collection
cursor = coll.find(tailable=True)
while cursor.alive:
try:
doc = cursor.next()
print ...
How to loop through array in jQuery?
...
Note :
Each of these variations is supported by all browsers, including véry old ones!
Option 2 : The while-loop
One alternative to a for-loop is a while-loop. To loop through an array, you could do this :
var key = 0;
while(value = myArray[key++]){
console.log(value);
}
Note :
Like t...
MySQL, better to insert NULL or empty string?
...eep in mind is that NULL might make your codepaths much more difficult. In Python for example most database adapters / ORMs map NULL to None.
So things like:
print "Hello, %(title)s %(firstname) %(lastname)!" % databaserow
might result in "Hello, None Joe Doe!" To avoid it you need something li...