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In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?
...ke AJAX does -- but long polling was created when WebSockets didn't exist. Now due to WebSockets,
long polling is going away.
WebRTC allows for peer-to-peer communication.
I recommend learning WebSockets.
Comparison:
of different communication techniques on the web
AJAX - request → respons...
Reverse of JSON.stringify?
...ad the OP as saying "I converted a javascript object to a JSON string, and now I want to convert it back - how do I do it?" All the other answers say just use JSON.parse. I'm just warning that theres a lot of cases that will not handle correctly. If you're using pure primitive data (no classes, prot...
What does numpy.random.seed(0) do?
...
I have used this very often in neural networks. It is well known that when we start training a neural network we randomly initialise the weights. The model is trained on these weights on a particular dataset. After number of epochs you get trained set of weights.
Now suppose you wan...
Capturing mobile phone traffic on Wireshark
...ialog box appears, click on the line rvi0 then press the Start button.
Now you will see all network traffic on the iOS device. It can be pretty overwhelming. A couple of pointers:
don't use iOS with a VPN, you don't be able to make sense of the encrypted traffic
use simple filters to focus o...
“use database_name” command in PostgreSQL
... testdatabase
At this point you might see the following output
You are now connected to database "testdatabase" as user "user_name".
testdatabase=#
Notice how the prompt changes. Cheers, have just been hustling looking for this too, too little information on postgreSQL compared to MySQL and th...
How to increase heap size of an android application?
...nds completely on what code you have. I'm not an expert with the NDK, and know only the basics. I would recommend you ask this question along with a description of your code on the android-ndk Google group, or post a new question on SO specific to this with the android-ndk tag.
...
Python Anaconda - How to Safely Uninstall
...g of the line).
Then reload the ~/.bashrc file executing source ~/.bashrc
Now, verify the changes executing which python in the new terminal.
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Windows: How to specify multiline command on command prompt?
... file
echo Dumping SLN file contents
type "%%~T"
)
)
Now, you could use the line-continuation carat (^) and manually type it out like this, but warning, it's tedious and if you mess up you can learn the joy of typing it all out again.
Well, it won't work with just ^ thanks to ...
Disable Drag and Drop on HTML elements?
... which I'm attempting to implement a full featured windowing system. Right now it's going very well, I'm only running into one minor issue. Sometimes when I go to drag a part of my application (most often the corner div of my window, which is supposed to trigger a resize operation) the web browser g...
Tmux vs. iTerm2 split panes
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FWIW, now iTerm2 can remember your opened sessions (even with the screen output). So it will reopen everything even after rebooting the computer.
– Aziz Alto
Dec 30 '16 at 4:52
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