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Using Kafka as a (CQRS) Eventstore. Good idea?
...t in the consumer web space where Kafka is most popular.
I have written a bit about this style of Kafka usage here.
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How should strace be used?
...
10
Or just: strace -e open myprog OR for all file related sys calls : strace -e file myprog
– Amit Naidu
...
Cost of exception handlers in Python
...ve just tried the following:
import timeit
statements=["""\
try:
b = 10/a
except ZeroDivisionError:
pass""",
"""\
if a:
b = 10/a""",
"b = 10/a"]
for a in (1,0):
for s in statements:
t = timeit.Timer(stmt=s, setup='a={}'.format(a))
print("a = {}\n{}".format(a,s))
...
How dangerous is it to compare floating point values?
...u can see this is adding x = 0x1fffffe and y = 1 as floats. Here, x has 24 bits of precision in the mantissa (ok) and y has just 1 bit, but when you add them, their bits are not in overlapping places, and the result would need 25 bits of precision. Instead, it gets rounded (to 0x2000000 in the defau...
Private and protected constructor in Scala
...
Matthias Braun
22.1k1616 gold badges104104 silver badges138138 bronze badges
answered Nov 13 '09 at 17:07
Aleksander KmetecAleksander Kme...
emacs zoom in/zoom out
...
answered Feb 24 '19 at 18:10
StacksysStacksys
1122 bronze badges
...
What is the best way to get all the divisors of a number?
...e divisor.
We sort them, and return them.
I tested it and it seem to be a bit faster than the previous version. I tested it as part of a bigger program, so I can't really say how much is it faster though.
Pietro Speroni (pietrosperoni dot it)
from math import sqrt
##############################...
Accessing the web page's HTTP Headers in JavaScript
...e with the postMessage function.
Working example:
Service workers are a bit complicated to understand, so I've built a small library that does all this. It is available on github: https://github.com/gmetais/sw-get-headers.
Limitations:
the website needs to be on HTTPS
the browser needs to supp...
Declare slice or make slice?
...
A bit more completely (one more argument in make) example:
slice := make([]int, 2, 5)
fmt.Printf("length: %d - capacity %d - content: %d", len(slice), cap(slice), slice)
Out:
length: 2 - capacity 5 - content: [0 0]
...
How does inline Javascript (in HTML) work?
...owLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...