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Faheem Mitha

09:38

This question is ancient, but has no proper answer, though a comment provides what is probably an answer. But as often the case, the poster disappeared.

Q: Installing openssl on R

I'm trying to install openssl inside R, using install.packages('openssl'), but I'm getting an error message: * installing *source* package ‘openssl’ ... ** package ‘openssl’ successfully unpacked and MD5 sums checked Found pkg-config cflags and libs! Using PKG_CFLAGS= Using PKG_LIBS=-lssl -lcry...

2 hours later…

Faheem Mitha

11:31

The comment, of course, being

apt-get install libssl-dev worked for me — geotheory May 7 '16 at 13:32

This or similar could probably be added as an answer. Is it worth doing so?

Jeff Schaller

11:48

@FaheemMitha absolutely, if you think it addresses the question. That way it can be voted on by other people that have the same problem.

Faheem Mitha

@JeffSchaller That's a common/standard issue. But it's not certain that it was the issue the poster was facing.

Jeff Schaller

@FaheemMitha so we may not get a checkmark from it, but as a post, it has less chance of being deleted

Kusalananda

12:03

I personally really dislike "worked for me" answers with no explanation (just like "try this!" answers).

Faheem Mitha

12:50

@Kusalananda The issue described is probably a standard issue. But of course, barring feedback, one can't be sure.

And the explanation would be that you need header files to compile.

Lots of rain here, even today.

cas

@Kusalananda i often say stuff like "try this" so it doesn't sound like i'm giving orders. suggestions tend to be received better. also because i don't want to even imply that there is only one correct way to do something - most of the time there are many different ways.

Kusalananda

13:23

@cas To me "try this" means "the following might or might not work, I have no clue"

Faheem Mitha

@Kusalananda It's hard to be sure whether something will work in certain situations.

Kusalananda

@FaheemMitha Sure, and in that case you should obviously mention the conditions for success and failure. But just "try this" does not do that.

It furthermore sounds as if you don't really know.

It's a sort of thing you can use in a comment when asking for further information.

1 hour later…

Jesse_b

14:34

Anyone know the rust language?

Jesse_b

14:55

hah, I really got a kick out of this one:

Q: Problem with ls inside bash script

Basically I am trying to recursively list sub directories until I hit a directory where there are no more directories to be found. The problem here, is that when I pass the argument into the function, as it is given, the ls command doesn't work. Without the $var in quotations, ls treats the spac...

linux bash shell-script ls

"When I push the accelerator pedal to the floor in my car it rapidly increases speed, why is this happening and how can I avoid it?"

Jeff Schaller

15:53

@Jesse_b I looked at it briefly, a while ago ... I'm little a rusty, now.

couldn't resist

Jesse_b

hah

Faheem Mitha

@Jesse_b Use case?

Jesse_b

@FaheemMitha I was trying to find out if I can initialize an array sort of like let arr = [0..9];

Faheem Mitha

@Jesse_b In Rust?

Jesse_b

I don't think it's possible though

Yeah

Faheem Mitha

16:04

@Jesse_b Any particular reason why you are trying to learn Rust?

Jesse_b

@FaheemMitha My company is starting to use it more often

Faheem Mitha

@Jesse_b I see.

Kusalananda

16:23

There was recently a thread on the pkgsrc mailing list about how building the Emacs editor nowadays required building the Rust compiler (with everything that entails). I don't quite remember what the conclusion was, but I think they separated out the SVG stuff into a separate package (depending on librsvg, a Rust library). Needless to say, you don't want to pull in Rust as a dependency just to build Emacs.

Faheem Mitha

17:01

@Jesse_b You could ask Rust questions on SE. Assuming a search doesn't bring up anything.

C++ has been able to do that for a while, so it seems surprising if Rust cannot.

4 hours later…

Faheem Mitha

21:20

An alarmingly large number of Buster upgrades, all at once. Do they need to schedule them for the same time?

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