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What's the difference between a proxy server and a reverse proxy server? [closed]
...ccurate, but perhaps too terse.
I will try to add some examples.
First of all, the word "proxy" describes someone or something acting on behalf of someone else.
In the computer realm, we are talking about one server acting on the behalf of another computer.
For the purposes of accessibility, I wi...
If REST applications are supposed to be stateless, how do you manage sessions?
...ined to be Representational State Transfer . I therefore don't understand all this stateless gobbledeygook that everyone keeps spewing.
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What is your preferred style for naming variables in R? [closed]
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Good previous answers so just a little to add here:
underscores are really annoying for ESS users; given that ESS is pretty widely used you won't see many underscores in code authored by ESS users (and that set includes a bunch of R Core as well as CRAN authors, excptions like Hadley notwithsta...
Change column type from string to float in Pandas
...ost) any other type (even if it's not necessarily sensible to do so). Also allows you to convert to categorial types (very useful).
infer_objects() - a utility method to convert object columns holding Python objects to a pandas type if possible.
convert_dtypes() - convert DataFrame columns to the ...
What is the overhead of creating a new HttpClient per call in a WebAPI client?
...nt?
Is it better to have one instance of the HttpClient for multiple calls?
7 Answers
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Port 80 is being used by SYSTEM (PID 4), what is that?
...P adress is 0.0.0.0, state = LISTENING: means that port 80 is listening to all interfaces (not used)
How to read NETSTAT -AN results:
https://sites.google.com/site/xiangyangsite/home/technical-tips/linux-unix/networks-related-commands-on-linux/how-to-read-netstat--an-results
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What are the use-cases for Web Workers? [closed]
...lst you’re using the app.
From Mozilla: One way workers are useful is to allow your code to perform processor-intensive calculations without blocking the user interface thread.
As a practical example, think of an app which has a large table of #s (this is real world, BTW - taken from an app I pr...
What is “android.R.layout.simple_list_item_1”?
...id/platform_frameworks_base/tree/master/core/res/res/layout )
You can actually view the code for the layouts.
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When to use symbols instead of strings in Ruby?
...iers. For Ruby < 2.2 only use symbols when they aren't generated dynamically, to avoid memory leaks.
Full answer
The only reason not to use them for identifiers that are generated dynamically is because of memory concerns.
This question is very common because many programming languages don't h...
How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
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wait also (optionally) takes the PID of the process to wait for, and with $! you get the PID of the last command launched in background.
Modify the loop to store the PID of each spawned sub-process into an array, and then loop again waiting o...