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Purge Kafka Topic
...room-data --config retention.ms=1000 WARNING: Altering topic configuration from this script has been deprecated and may be removed in future releases. Going forward, please use kafka-configs.sh for this functionality
– Alper Akture
Nov 18 '15 at 19:42
...
Transposing a NumPy array
...the concept of a row/column vector. Numpy is idiosyncratic to folks coming from a lot of places, not just matlab.
– eric
Dec 29 '18 at 16:15
...
Getting indices of True values in a boolean list
...
For huge lists, it'd be better to use itertools.compress:
>>> from itertools import compress
>>> list(compress(xrange(len(t)), t))
[4, 5, 7]
>>> t = t*1000
>>> %timeit [i for i, x in enumerate(t) if x]
100 loops, best of 3: 2.55 ms per loop
>>> %timei...
curl: (60) SSL certificate problem: unable to get local issuer certificate
...and NOT the server receiving the request.
Download the latest cacert.pem from https://curl.haxx.se/ca/cacert.pem
Add the following line to php.ini: (if this is shared hosting and you don't have access to php.ini then you could add this to .user.ini in public_html).
curl.cainfo="/path/to/download...
What is the difference between Scala's case class and class?
...
@Thomas: Correctly spoken, case classes deriving from sealed abstract classes mimic closed algebraic datatypes whereas the ADT is otherwise open.
– Dario
Feb 23 '10 at 13:02
...
PHP-FPM doesn't write to error log
...
I gathered insights from a bunch of answers here and I present a comprehensive solution:
So, if you setup nginx with php5-fpm and log a message using error_log() you can see it in /var/log/nginx/error.log by default.
A problem can arise if you...
Convert a list to a dictionary in Python
...ike the following, which doesn't make any temporary lists like the above.
from itertools import izip
i = iter(a)
b = dict(izip(i, i))
In Python 3 you could also use a dict comprehension, but ironically I think the simplest way to do it will be with range() and len(), which would normally be a cod...
What column type/length should I use for storing a Bcrypt hashed password in a Database?
... (among other things). In .NET this can be overcome by using String.Equals(fromDataBaseBinary60string, typicalishString, StringComparison.InvariantCulture)
– JHubbard80
Feb 6 '12 at 1:50
...
Does python have a sorted list?
...ule.
Installation:
pip install sortedcontainers
Usage:
>>> from sortedcontainers import SortedList
>>> l = SortedList()
>>> l.update([0, 4, 1, 3, 2])
>>> l.index(3)
3
>>> l.add(5)
>>> l[-1]
5
...
JavaScript object: access variable property by name as string [duplicate]
...ion, var side = columns.right;, except the fact that right could also come from a variable, function return value, etc., when using bracket notation.
If you NEED a function for it, here it is:
function read_prop(obj, prop) {
return obj[prop];
}
To answer some of the comments below that are...