On Tuesday, 26 January 2021 at 06:53:22 UTC, Vitalii wrote:
It's quite unexpected for me that nobody give me some
help about usage of AA in shared library. Nobody use shared
library? Nobody use AA?
Post with trivial questions about OpAssign gets many answers.
Even post about changing logo colo
On Tuesday, 26 January 2021 at 08:14:10 UTC, frame wrote:
On Tuesday, 26 January 2021 at 06:53:22 UTC, Vitalii wrote:
It's quite unexpected for me that nobody give me some
help about usage of AA in shared library. Nobody use shared
library? Nobody use AA?
Post with trivial questions about OpA
On Tuesday, 26 January 2021 at 11:17:11 UTC, Vitalii wrote:
I'll be waiting for bugfix release.
There could also be other reasons if your system is "compromised"
by a Hijack-DLL thats automatically included when your app starts
by an Anti-Virus scanner or some bug in a C++ updated or outdate
Is there some way for library authors to test whether a GC is
present at compile time? @nogc just means that my code does not
depend on a GC, but it doesn't tell the compiler that my code is
incompatible with GC.
I want to compute pointers in a way that is not scannable by a
conservative coll
On Tuesday, 26 January 2021 at 04:39:07 UTC, Jack wrote:
Can I pass the base class type thought template parameter?
something like this:
[...]
You have it almost right:
class C(alias T) //
Template is not type but symbol.
On Monday, 25 January 2021 at 17:09:22 UTC, Jack wrote:
I'd like to make this work s += 10 where s is a struct. How can
I do that?
You have your answer, but someone else might come upon this in
the future, so here's a link to the clearest explanation of
operator overloading for someone new to
On Monday, 25 January 2021 at 21:48:10 UTC, Vitalii wrote:
Q: Why filling assoc.array in shared library freeze execution?
D exes loading D dlls are very broken on Windows. You can kinda
make it work but there's a lot of bad design and showstopper bugs.
That's the sad reality of it. I'd sugge
On Tuesday, 26 January 2021 at 04:39:07 UTC, Jack wrote:
note the body is the same, what changes is the base class. I'd
like to avoid repeating myself when the body is the same and
only the base class changes.
You would have to call it with correct instantiation like
alias Foo = C!(A!bool);
On Monday, 25 January 2021 at 17:11:37 UTC, frame wrote:
Wrong way?
Please, someone correct me if I'm getting this wrong:
Structure:
EXE/Main Thread:
- GC: manual
- requests DLL 1 object A
- GC knows about object A
DLL/Thread 1:
- GC: conservative
- allocates new object A -> addRoot(object A
It is not easy to understand what mir library one should use to work
with matrices. mir-glas turns out unsupported now and I try to use
mir-blas. I need to reimplement my Kalman filter version to use more
high dimension matrix than 4x4 plus Kronecker product. Is mir-blas
recommended to work wit
On Tuesday, 26 January 2021 at 14:12:17 UTC, Adam D. Ruppe wrote:
On Monday, 25 January 2021 at 21:48:10 UTC, Vitalii wrote:
Q: Why filling assoc.array in shared library freeze execution?
D exes loading D dlls are very broken on Windows. You can kinda
make it work but there's a lot of bad des
On 1/25/21 1:45 PM, Rempas wrote:
Actually what the title says. For example I have dchar c = '\u03B3'; and
I want to make it into string. I don't want to use "to!string(c);". Any
help?
That's EXACTLY what you want to use, if what you want is a string.
If you just want a conversion to a char a
On 1/26/21 8:10 AM, Ola Fosheim Grøstad wrote:
Is there some way for library authors to test whether a GC is present at
compile time? @nogc just means that my code does not depend on a GC, but
it doesn't tell the compiler that my code is incompatible with GC.
I want to compute pointers in a wa
On Tuesday, 26 January 2021 at 14:12:21 UTC, vitamin wrote:
On Tuesday, 26 January 2021 at 04:39:07 UTC, Jack wrote:
Can I pass the base class type thought template parameter?
something like this:
[...]
You have it almost right:
class C(alias T) //
Template is not type but symbol.
Th
On Tuesday, 26 January 2021 at 14:15:25 UTC, frame wrote:
On Tuesday, 26 January 2021 at 04:39:07 UTC, Jack wrote:
note the body is the same, what changes is the base class. I'd
like to avoid repeating myself when the body is the same and
only the base class changes.
You would have to call it
On Tuesday, 26 January 2021 at 15:30:09 UTC, Steven Schveighoffer
wrote:
The only way to ensure the GC isn't used is with betterC. Even
with @nogc tag on main, the GC could be used in static ctors,
and casting function pointers/etc.
Yes, @nogc is not strong enough... It is for a container libr
I have a bug report in mysql-native that if you try to create the
following file, and add mysql-native as a dependency it fails to link on
Windows 10:
import std.stdio;
import mysql;
void main()
{
writeln("Edit source/app.d to start your project.");
}
You might recognize that as the d
On 1/26/21 11:00 AM, Ola Fosheim Grøstad wrote:
On Tuesday, 26 January 2021 at 15:30:09 UTC, Steven Schveighoffer wrote:
The only way to ensure the GC isn't used is with betterC. Even with
@nogc tag on main, the GC could be used in static ctors, and casting
function pointers/etc.
Yes, @nogc i
On Tuesday, 26 January 2021 at 16:08:15 UTC, Steven Schveighoffer
wrote:
std.traits.hasAliasing?
I guess, but it will limit me too much. I should accept Element
types that manage their own memory and has pointers to sub-ojects
that don't point to GC memory. But I guess that would require a
l
Vitalii,
I test your program and it runs without any problem. Consuming
about 1Gb RAM at end.
But i have а slightly different environment.
Win10 1909 x64, DMD32 D Compiler v2.092.1-dirty
On Tue, Jan 26, 2021 at 02:12:17PM +, Adam D. Ruppe via Digitalmars-d-learn
wrote:
> On Monday, 25 January 2021 at 21:48:10 UTC, Vitalii wrote:
> > Q: Why filling assoc.array in shared library freeze execution?
>
> D exes loading D dlls are very broken on Windows. You can kinda make
> it work
Greetings Dlang wizards,
I seek knowledge/understanding of a very frustrating phenomenon
I've experienced over the past several days.
The problem space:
1) Read a list of strings from a file
2) De-duplicate all strings into the subset of unique strings
3) Sort the subset of unique strings by
On Tuesday, 26 January 2021 at 17:40:36 UTC, methonash wrote:
foreach( i, ref pStr; sortedArr )
{
foreach( j, ref cStr; sortedArr[ i + 1 .. $ ] )
{
if( indexOf( pStr, cStr ) > -1 )
{
// ...
}
}
}
Before adding the code excerpt above, the Dlang prog
Hi guys,
still working on old D1 code, to be updated to D2. At some point
the previous dev wrote a FastLock class. The top comment is from
the dev himself, not me. My question is after the code.
---
class FastLock
{
protected Mutex mutex;
protected int lockCount;
prot
On Tuesday, 26 January 2021 at 17:56:22 UTC, Paul Backus wrote:
It would be much easier for us to help you with this if you
could post the full program, or at the very least a reduced
version that reproduces the same issue. [1] Since your attempts
so far have failed to fix the problem, it is
On Tuesday, 26 January 2021 at 17:40:36 UTC, methonash wrote:
Greetings Dlang wizards,
I seek knowledge/understanding of a very frustrating phenomenon
I've experienced over the past several days.
[...]
Source please 👍
On Tue, Jan 26, 2021 at 05:40:36PM +, methonash via Digitalmars-d-learn
wrote:
[...]
> 1) Read a list of strings from a file
> 2) De-duplicate all strings into the subset of unique strings
> 3) Sort the subset of unique strings by descending length and then by
> ascending lexicographic identit
On Tue, Jan 26, 2021 at 06:13:54PM +, methonash via Digitalmars-d-learn
wrote:
[...]
> I cannot post the full source code.
Then we are limited in how much we can help you.
> Regarding a reduced version reproducing the issue: well, that's
> exactly what the nested foreach loop does. Without
On Tuesday, 26 January 2021 at 16:04:29 UTC, Steven Schveighoffer
wrote:
I have a bug report in mysql-native that if you try to create
the following file, and add mysql-native as a dependency it
fails to link on Windows 10:
import std.stdio;
import mysql;
void main()
{
writeln("Edit s
On 1/26/21 1:33 PM, Andre Pany wrote:
On Tuesday, 26 January 2021 at 16:04:29 UTC, Steven Schveighoffer wrote:
I have a bug report in mysql-native that if you try to create the
following file, and add mysql-native as a dependency it fails to link
on Windows 10:
import std.stdio;
import mysql;
On Tuesday, 26 January 2021 at 16:04:29 UTC, Steven Schveighoffer
wrote:
I have a bug report in mysql-native that if you try to create
the following file, and add mysql-native as a dependency it
fails to link on Windows 10:
import std.stdio;
import mysql;
void main()
{
writeln("Edit s
On 1/26/21 12:40 PM, methonash wrote:
My first attempt to solve this problem space used a small Perl program
to perform steps 1 through 3, which would then pipe intermediate output
to a small Dlang program handling only step #4 using dynamic arrays (no
use of AAs) of ubyte[][] with use of count
On 1/26/21 2:41 PM, Andre Pany wrote:
For your specific problem, this issue is related to your dub.json:
"configurations": [
{
"excludedSourceFiles": [
"source/mysql/package.d"
],
"name": "application",
"targetTy
On 1/26/21 2:59 PM, Steven Schveighoffer wrote:
On 1/26/21 2:41 PM, Andre Pany wrote:
For your specific problem, this issue is related to your dub.json:
"configurations": [
{
"excludedSourceFiles": [
"source/mysql/package.d"
],
On 1/26/21 1:07 PM, ludo wrote:
Hi guys,
still working on old D1 code, to be updated to D2. At some point the
previous dev wrote a FastLock class. The top comment is from the dev
himself, not me. My question is after the code.
[snip]
Is it so that the
old Tango's mutex lock was not keepi
On Tuesday, 26 January 2021 at 20:09:27 UTC, Steven Schveighoffer
wrote:
On 1/26/21 2:59 PM, Steven Schveighoffer wrote:
On 1/26/21 2:41 PM, Andre Pany wrote:
For your specific problem, this issue is related to your
dub.json:
"configurations": [
{
"excludedSourceFi
On 1/26/21 3:17 PM, Andre Pany wrote:
On Tuesday, 26 January 2021 at 20:09:27 UTC, Steven Schveighoffer wrote:
Hold on, where do you see this? mysql-native has dub.sdl, and it
doesn't have these in there.
I executed `dub init sample` and added in the interactive console the
dependency `mysq
On 1/26/21 3:36 PM, Steven Schveighoffer wrote:
On 1/26/21 3:17 PM, Andre Pany wrote:
On Tuesday, 26 January 2021 at 20:09:27 UTC, Steven Schveighoffer wrote:
Hold on, where do you see this? mysql-native has dub.sdl, and it
doesn't have these in there.
I executed `dub init sample` and added
On Tuesday, 26 January 2021 at 20:36:58 UTC, Steven Schveighoffer
wrote:
On 1/26/21 3:17 PM, Andre Pany wrote:
On Tuesday, 26 January 2021 at 20:09:27 UTC, Steven
Schveighoffer wrote:
Hold on, where do you see this? mysql-native has dub.sdl, and
it doesn't have these in there.
I executed `d
On Tuesday, 26 January 2021 at 18:07:06 UTC, ludo wrote:
Hi guys,
still working on old D1 code, to be updated to D2. At some
point the previous dev wrote a FastLock class. The top comment
is from the dev himself, not me. My question is after the code.
---
class FastLock
{
protected
On 1/26/21 3:56 PM, IGotD- wrote:
That code isn't thread safe at all (assuming FastLock is used from
several threads). lockCount isn't atomic which means the code will not
work with several threads.> Also the assignment of the variable owner
isn't thread safe. As soon you start to include more
On 1/26/21 3:47 PM, Andre Pany wrote:
On Tuesday, 26 January 2021 at 20:36:58 UTC, Steven Schveighoffer wrote:
On 1/26/21 3:17 PM, Andre Pany wrote:
On Tuesday, 26 January 2021 at 20:09:27 UTC, Steven Schveighoffer wrote:
Hold on, where do you see this? mysql-native has dub.sdl, and it
doesn't
However, I think this is all moot, druntime is the same as
Tango.
Moot you mean debatable? Or irrelevant :) Thanks to your
explanations, I understand now that the dev tried to imitate a
Tango feature with very old D1 code. This is 2005/2009 code
And as pointed out by IGotD-, better not to me
On Tuesday, 26 January 2021 at 21:09:34 UTC, Steven Schveighoffer
wrote:
The only item that is read without being locked is owner. If
you change that to an atomic read and write, it should be fine
(and is likely fine on x86* without atomics anyway).
All the other data is protected by the act
On Tuesday, 26 January 2021 at 17:40:36 UTC, methonash wrote:
foreach( i, ref pStr; sortedArr )
{
foreach( j, ref cStr; sortedArr[ i + 1 .. $ ] )
{
if( indexOf( pStr, cStr ) > -1 )
{
// ...
}
}
}
Before adding the code excerpt above, the Dlang prog
On Tuesday, 26 January 2021 at 21:55:47 UTC, mw wrote:
On Tuesday, 26 January 2021 at 17:40:36 UTC, methonash wrote:
foreach( i, ref pStr; sortedArr )
{
foreach( j, ref cStr; sortedArr[ i + 1 .. $ ] )
{
if( indexOf( pStr, cStr ) > -1 )
{
// ... yourInnerOp
On 1/26/21 4:40 PM, ludo wrote:
However, I think this is all moot, druntime is the same as Tango.
Moot you mean debatable? Or irrelevant :)
I *think* it's irrelevant. The comment makes it sound like it's slightly
different than Tango, but for sure reentrant locks are possible with D2
phobos
On Tuesday, 26 January 2021 at 18:17:31 UTC, H. S. Teoh wrote:
Do not do this. Every time you call .array it allocates a new
array and copies all its contents over. If this code runs
frequently, it will cause a big performance hit, not to mention
high GC load.
The function you're looking for
On Tuesday, 26 January 2021 at 23:57:43 UTC, methonash wrote:
Using AA's may not necessarily improve performance. It
depends on what your code does with it. Because AA's require
random access to memory, it's not friendly to the CPU cache
hierarchy, whereas traversing linear arrays is more
ca
On Wed, Jan 27, 2021 at 01:28:33AM +, Paul Backus via Digitalmars-d-learn
wrote:
> On Tuesday, 26 January 2021 at 23:57:43 UTC, methonash wrote:
> > > Using AA's may not necessarily improve performance. It depends on
> > > what your code does with it. Because AA's require random access
> > >
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