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RabbitMQ and relationship between channel and connection
...epts are not tied together.
Each Consumer runs in its own thread allocated from the consumer thread pool. If multiple Consumers are subscribed to the same Queue, the broker uses round-robin to distribute the messages between them equally. See Tutorial two: "Work Queues".
It is also possible to att...
How do I resize an image using PIL and maintain its aspect ratio?
...ethod to do this: the method Image.thumbnail.
Below is an (edited) example from the PIL documentation.
import os, sys
import Image
size = 128, 128
for infile in sys.argv[1:]:
outfile = os.path.splitext(infile)[0] + ".thumbnail"
if infile != outfile:
try:
im = Image.ope...
Android and setting alpha for (image) view alpha
...ew ImageView(this);
myImageView.setAlpha(xxx);
In pre-API 11:
range is from 0 to 255 (inclusive), 0 being transparent and 255 being opaque.
In API 11+:
range is from 0f to 1f (inclusive), 0f being transparent and 1f being opaque.
...
After array_filter(), how can I reset the keys to go in numerical order starting at 0
I just used array_filter to remove entries that had only the value '' from an array, and now I want to apply certain transformations on it depending on the placeholder starting from 0, but unfortunately it still retains the original index. I looked for a while and couldn't see anything, perhaps I j...
In Scala how do I remove duplicates from a list?
...lt)
.reverse
Performance results on a list of 100,000,000 random Ints from 0-99:
distinct : 0.6655373s
distinctOnSorted: 0.2848134s
Performance with MutableList or ListBuffer
While it would seem that a more mutable / non-functional programming approach might be faster than prepending to...
Is there a difference between using a dict literal and a dict constructor?
...
I think you have pointed out the most obvious difference. Apart from that,
the first doesn't need to lookup dict which should make it a tiny bit faster
the second looks up dict in locals() and then globals() and the finds the builtin, so you can switch the behaviour by defining a loca...
If list index exists, do X
...
In Python negative indexes on lists just count backwards from the end of the list. So they could not exist in a way that impacts the length of the list.
– JonathanV
Aug 7 '19 at 18:00
...
Manifest merger failed : uses-sdk:minSdkVersion 14
...
What about a library compiled from Maven ? How to exclude the "old" dependancy ?
– Arnaud
Jun 26 '14 at 19:41
4
...
Could not load file or assembly 'System.Net.Http.Formatting' or one of its dependencies. The system
...ystem.Web.Http to the new one installed by the above command... ie it went from <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0"/> to <bindingRedirect oldVersion="0.0.0.0-4.0.30319" newVersion="4.0.30319"/>
– Serj Sagan
Dec 3 '18 a...
Add a common Legend for combined ggplots
...
You may also use ggarrange from ggpubr package and set "common.legend = TRUE":
library(ggpubr)
dsamp <- diamonds[sample(nrow(diamonds), 1000), ]
p1 <- qplot(carat, price, data = dsamp, colour = clarity)
p2 <- qplot(cut, price, data = dsamp, ...