On Tuesday, 13 April 2021 at 12:30:13 UTC, tchaloupka wrote:
Some kind of GC memory dump and analyzer tool as mentioned
`Diamond` would be of tremendous help to diagnose this..
I've used bpftrace to do some of that stuff:
https://theartofmachinery.com/2019/04/26/bpftrace_d_gc.html
On Tuesday, 10 November 2020 at 08:19:15 UTC, Vino wrote:
foreach(i; data2[]) {
if(data1[].canFind(i[0])) {
writeln(i[1]);
}
}
This is iterating over all the elements in data2 and outputting
some of them, so the output will never be longer than data2.
It looks like you want to
On Tuesday, 20 October 2020 at 16:58:12 UTC, Severin Teona wrote:
Hi guys.
I have a curiosity, regarding [1] - I had encountered some
"undefined reference" errors when trying to link the druntime
(compiled for an embedded architecture) without some
implementation of the POSIX thread calls
On Saturday, 24 August 2019 at 02:10:19 UTC, Jonathan Levi wrote:
I would love a more portable solution though. This should work
for now.
How are you building the D code? It should be possible to build
a library (with -lib and/or -shared) that statically includes the
runtime and Phobos.
On Monday, 6 May 2019 at 02:02:52 UTC, Devin wrote:
Recently, I poorly refactored some code, which introduced an
obvious bug. But to my astonishment, the broken code compiled
without any warnings or notifications. A minimum example is
shown below:
alias ID = uint;
...
alias doesn't
On Thursday, 28 February 2019 at 21:17:23 UTC, Cleverson Casarin
Uliana wrote:
It works almost perfectly, except that it doesn't wait for my
first Enter after printing "First name: value1". Rather, it
prints both "First name: value1" and "First name: value2"
together on the same line, then it
On Friday, 15 February 2019 at 13:14:47 UTC, Patrick Schluter
wrote:
A lots of fgets() based tools on Unix systems fail to read the
last line if it doesn't contain a line feed character at the
end. Afaicr glibc implementation does not have that problem but
a lot of other standard C libs do.
On Tuesday, 12 February 2019 at 20:03:09 UTC, Jonathan M Davis
wrote:
So, I'd say that it's safe to say that dmd
The whole thing just seems like a weird requirement that really
shouldn't be there,
Like I said in the first reply, FWIW, it's a POSIX requirement.
Turns out most tools don't care
On Saturday, 9 February 2019 at 21:19:27 UTC, Victor Porton wrote:
ISO C++ specifies that the C++ file must end with a newline.
Should D file end with newline, too?
I'm sure you could mostly get away without one, but POSIX says
that all text files should end with a newline. There are some
On Sunday, 8 July 2018 at 21:11:53 UTC, Stijn Herreman wrote:
On Sunday, 8 July 2018 at 20:27:34 UTC, Stijn Herreman wrote:
I should point out that I only have a vague idea of what I'm
doing, I tried things until it compiled and worked (at first
glance). If there are any docs that properly
On Monday, 28 May 2018 at 01:28:10 UTC, Dr.No wrote:
What's likely the reason of the crash? mismatch between D and C
memory alignment?
From an ABI point of view, the raw pointers won't care about the
memory structure they point to. The function call is the only
thing that depends on the
On Wednesday, 4 April 2018 at 10:00:18 UTC, Orfeo wrote:
foreach (l; log) {
l.run;
}
Try making this "foreach (ref l; log) {".
Structs are value types in D, so by default they're copied when
you assign them to another variable (in this case l). That means
run() is
On Tuesday, 14 November 2017 at 09:43:07 UTC, Ola Fosheim Grøstad
wrote:
ESR got famous for his cathedral vs bazaar piece, which IMO was
basically just a not very insightful allegory over waterfall vs
evolutionary development models, but since many software
developers don't know the basics of
On Thursday, 16 November 2017 at 11:52:45 UTC, Ola Fosheim
Grostad wrote:
On Thursday, 16 November 2017 at 11:24:09 UTC, codephantom
I would never say OO itself is a failure. But the idea that is
should be the 'primary focus of program design' .. I think
that is a failure...and I think that
On Sunday, 6 August 2017 at 23:33:26 UTC, greatsam4sure wrote:
import std.math;
import std.stdio;
cos(90*PI/180) = -2.7e-20 instead of zero. I will appreciate
any help. thanks in advance.
tan(90*PI/180) = -3.689e+19 instead of infinity. What is the
best way to use this module
That's just
Currently a lot of language features generate dependencies on
TypeInfo, arguably more than needed, but this is changing. Some
examples are in this DConf 2017 talk:
https://www.youtube.com/watch?v=endKC3fDxqs
Also, the way the language is designed right now, all modules are
responsible for
On Friday, 10 March 2017 at 19:24:29 UTC, bauss wrote:
Mark your variables with __gshared. I would say shred, but it
has some restrictions to it, where __gshared is the equivalent
to global variables in C.
immutable variables are also not put in TLS.
On Monday, 6 March 2017 at 02:20:02 UTC, Deech wrote:
Hi all,
I've been reading up on D's metaprogramming features and was
wondering if it was possible to use them to add pattern
matching to the language as a macro. The template mixin feature
seems to require putting the new syntax in
On Friday, 3 March 2017 at 20:35:04 UTC, Jamal wrote:
I have no idea what is is wrong and or how to fix it.
Any help?
It would be the alias. When you're running dmd from your shell,
you're using an alias that includes a bunch of flags to make dmd
work. When dub runs, it'll run the dmd
On Tuesday, 28 February 2017 at 07:41:36 UTC, Christian Köstlin
wrote:
As I understand the only difference between assert and enforce
is, that
assert is not compiled into releases?
Thanks!
Christian
Pretty much so. The intention is that assert means something
that's supposed to be true
On Tuesday, 28 February 2017 at 00:20:05 UTC, sarn wrote:
On Monday, 27 February 2017 at 19:26:06 UTC, Christian Köstlin
wrote:
How can I make sure, that the calculations are done at compile
time?
If you ever have doubts, you can always use something like this
to check:
assert (__ctfe);
On Monday, 27 February 2017 at 19:26:06 UTC, Christian Köstlin
wrote:
How can I make sure, that the calculations are done at compile
time?
If you ever have doubts, you can always use something like this
to check:
assert (__ctfe);
On Saturday, 18 February 2017 at 21:09:20 UTC, ag0aep6g wrote:
Also, some threads online mention that if we do turn off GC,
some of the core std libraries may not fully work. Is this
presumption also correct?
Yes. Whenever a std function returns a new string or some such
it's going to be
On Saturday, 18 February 2017 at 20:15:55 UTC, timmyjose wrote:
Hello folks,
Hi :)
2. I am more interested in learning D as a pure systems
programming language so that I can develop my own tools (not
looking to develop an OS, just some grep-scale tools to start
off with). In that regard, I
On Friday, 10 February 2017 at 15:12:28 UTC, Jonathan M Davis
wrote:
Module-level and static variables all get put in the
executable. So, declaring a static array like that is going to
take up space. A dynamic array would do the same thing if you
gave it a value of that size. The same thing
On Wednesday, 1 February 2017 at 01:08:19 UTC, Emil wrote:
is it possible to intercept the STDOUT or STDERR and capture
the output into a variable ?
some pseudocode to explain what I mean
string[] output_buffer;
stdout.capture_to(output_buffer);
writeln("test 1"); # not printed
On Monday, 23 January 2017 at 22:26:58 UTC, bitwise wrote:
Is it ok to memcpy/memmove a struct in D?
Quote from here:
https://dlang.org/spec/garbage.html
"Do not have pointers in a struct instance that point back to
the same instance. The trouble with this is if the instance
gets moved in
On Monday, 23 January 2017 at 12:13:30 UTC, albert-j wrote:
Well it is actually ODE solver from Numerical recipes
(originally in C++) that I am trying to do in D. Code
translation seems very straightforward. Maybe there's someone
around who has done that already? There's not much object
On Monday, 5 December 2016 at 17:18:25 UTC, e-y-e wrote:
Currently I have been learning D for about a year and a half.
This may seem like a short time, but this is the longest I have
stuck with any language. I have only been learning for 4 years
and I am currently in university studying first
On Sunday, 6 November 2016 at 06:02:48 UTC, Era Scarecrow wrote:
So I've got a project where I want to create basically a
decentralized chat program where every program is a host and a
client. When you connect all connections can go through to
route the chat to everyone else.
So to make
On Friday, 4 November 2016 at 02:56:07 UTC, Paul Backus wrote:
When I compile this (using DMD 2.069 on Debian Linux), I get an
error saying that I can't call visit from a pure function. This
is surprising, since all visit does (in theory) is call the
provided functions, and all of _them_ are
On Monday, 31 October 2016 at 04:35:35 UTC, WhatMeWorry wrote:
First, are there any other languages that has this feature?
The few I know, certainly don't.
I've seen hacks to do the same thing in C++. They're not pretty,
though.
And how would you compare and contrast these this(s) with
On Sunday, 30 October 2016 at 20:50:47 UTC, Alfred Newman wrote:
Hello,
I'm migrating some Python code to D, but I stuck at a dead
end...
Sorry to provide some .py lines over here, but I got some
doubts about the best (fastest) way to do that in D.
The "splitter" generic function sounds
Don't forget the Planet D aggregator :)
http://planet.dsource.org/
Here's my contribution:
https://theartofmachinery.com/tags/dlang/
On Friday, 16 September 2016 at 12:46:34 UTC, Martin Tschierschke
wrote:
The "only" problem is you have to build your layout twice,
in php and as diet template. :-(
You also have to manage URLs across different codebases. I'd
recommend against splitting up a frontend like that because it
I hope this isn't too obvious, but I have to ask because it's
such a common gotcha:
Are you reverse proxying through a server like nginx by any
chance? There are default request size limits there. (For nginx
specifically, it's this one:
On Tuesday, 13 September 2016 at 03:33:04 UTC, Ivy Encarnacion
wrote:
Can pure functions throw exceptions on its arguments?
You can throw exceptions for whatever reasons from a function
marked pure:
void foo() pure
{
throw new Exception("nope");
}
void main()
{
foo();
}
On Tuesday, 12 July 2016 at 14:04:55 UTC, Seb wrote:
D is entirely driven by highly motivated volunteers. (this will
change soon with the new D foundation)
I for one welcome our new D Foundation overlords.
On Saturday, 16 January 2016 at 21:22:15 UTC, data pulverizer
wrote:
Is it possible to create a function that returns Type like
typeof() does? Something such as:
Type returnInt(){
return int;
}
A type itself isn't a runtime value. I think the closest thing
is a TypeInfo object:
On Friday, 27 November 2015 at 00:17:34 UTC, brian wrote:
3) pre- or post-pend the salt to the password entered
(apparently there is a difference??)
Sorry to revive an old thread, but I wrote a blog post about this
question:
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