On Thursday, 4 January 2018 at 20:37:16 UTC, user789 wrote:
On Thursday, 4 January 2018 at 20:28:47 UTC, user789 wrote:
After using the script to setup DMD nightly i read in the
output that i have to
run "source ~/dlang/dmd-master-2018-01-04/activate" to have
DMD DUB etc working.
Is there
On Thursday, 4 January 2018 at 13:52:14 UTC, Mark wrote:
You ma find Ali Cehreli's talk from DConf 2013 [1] useful. It
includes some guidelines (basically recommendations) on how to
use immutable and const.
Same topic and same mentor here, but in text form:
Most are in other languages:
https://www.alphavantage.co/
https://iextrading.com/
are two free ones.
I'm just hoping for a more D'ish solution.
On Thursday, 4 January 2018 at 23:04:44 UTC, Amorphorious wrote:
Most are in other languages:
https://www.alphavantage.co/
https://iextrading.com/
are two free ones.
I'm just hoping for a more D'ish solution.
http://www.quantmod.com/
I'm wondering if I can use something like alphavantage
After using the script to setup DMD nightly i read in the output
that i have to
run "source ~/dlang/dmd-master-2018-01-04/activate" to have DMD
DUB etc working.
Is there another activation command, working without the date,
suitable for a cron job ?
On Thursday, 4 January 2018 at 19:16:03 UTC, Marc wrote:
For code generation purposes, I'd like to pass a type name to
base class. I'm not sure if it's supported, I didn't find
anything at documentation for class constructor but it does
compile:
class A {
static {
On Thursday, 4 January 2018 at 00:02:24 UTC, Ali Çehreli wrote:
On 01/03/2018 03:48 PM, Marc wrote:
I found no way with __traits() on std.traits. I found
isStaticFunction and isStaticArray but nothing about a member.
Is this by desgin?
Give a class like:
class C { static int a, b, c; int
On 01/04/2018 08:51 AM, Vino wrote:
> auto read () {
[...]
> return tuple(Ucol1, Ucol2, Ucol3, rSize);
> }
read() returns a tuple of values of different types.
> for(int i = 0; i < Size; i++) {
> typeof(read()[i]) Datacol;
typeof is a compile-time expression but there cannot be a consistent
For code generation purposes, I'd like to pass a type name to
base class. I'm not sure if it's supported, I didn't find
anything at documentation for class constructor but it does
compile:
class A {
static {
int a, b;
}
this(T)() {
}
}
then
On 1/4/18 1:57 PM, Christian Köstlin wrote:
Sorry, but I do not get how to cleanup the mallocated memory :)
Could you help me out here?
free(mypipe.window.ptr);
At the moment this works because you haven't released any data from the
front. But eventually, I will need to figure out how to
On 1/4/18 1:57 PM, Christian Köstlin wrote:
Thanks Steve,
this runs now faster, I will update the table.
Still a bit irked that I can't match the C speed :/
But, I can't get your C speed to duplicate on my mac even with gcc, so
I'm not sure where to start. I find it interesting that you are
On Thursday, 4 January 2018 at 20:28:47 UTC, user789 wrote:
After using the script to setup DMD nightly i read in the
output that i have to
run "source ~/dlang/dmd-master-2018-01-04/activate" to have DMD
DUB etc working.
Is there another activation command, working without the date,
suitable
On 01/04/2018 11:16 AM, Marc wrote:
For code generation purposes, I'd like to pass a type name to base
class. I'm not sure if it's supported, I didn't find anything at
documentation for class constructor but it does compile:
class A {
static {
int a, b;
}
this(T)() {
On 04.01.18 16:53, Steven Schveighoffer wrote:
> On 1/3/18 3:28 PM, Steven Schveighoffer wrote:
>
>> Stay tuned, there will be updates to iopipe to hopefully make it as
>> fast in this microbenchmark as the C version :)
>
> v0.0.3 has been released. To take advantage of using malloc/realloc, you
On Thursday, January 04, 2018 19:05:59 Russel Winder via Digitalmars-d-learn
wrote:
> Is it the case that, for library things on the Dub repository, Dub will
> only create library archives, .a, that it is unable to create shared
> objects and DLLs?
Well, you can configure a dub project to be a
On 1/4/18 2:19 PM, Marc wrote:
On Thursday, 4 January 2018 at 19:16:03 UTC, Marc wrote:
For code generation purposes, I'd like to pass a type name to base
class. I'm not sure if it's supported, I didn't find anything at
documentation for class constructor but it does compile:
class A {
On Saturday, 30 December 2017 at 00:49:48 UTC, user1234 wrote:
The deps have to be rebuild too.
After downloading dmd 78, it started to work. It's likely you
were right about the issue, DUB rebuilt everything after
detecting new compiler version.
Sorry for my late reply.
Is it the case that, for library things on the Dub repository, Dub will
only create library archives, .a, that it is unable to create shared
objects and DLLs?
--
Russel.
==
Dr Russel Winder t: +44 20 7585 2200
41 Buckmaster Roadm: +44 7770 465 077
On 1/4/18 10:58 PM, jmh530 wrote:
I'm trying to understand the consequences of casting away immutable from
a pointer. The code below has some weird things going on like the
pointers still point to the correct address but when you dereference
them they don't point to the correct value anymore.
On Thursday, 4 January 2018 at 23:04:44 UTC, Amorphorious wrote:
Most are in other languages:
https://www.alphavantage.co/
https://iextrading.com/
are two free ones.
I'm just hoping for a more D'ish solution.
I wrote a simple api for quandl.com and somewhere I have one for
yahoo. Neither
On Friday, 5 January 2018 at 01:45:46 UTC, Laeeth Isharc wrote:
On Thursday, 4 January 2018 at 23:04:44 UTC, Amorphorious wrote:
Most are in other languages:
https://www.alphavantage.co/
https://iextrading.com/
are two free ones.
I'm just hoping for a more D'ish solution.
I wrote a simple
On Friday, 5 January 2018 at 04:10:54 UTC, Steven Schveighoffer
wrote:
The compiler assumes x is going to be 5 forever, so instead of
loading the value at that address, it just loads 5 into a
register (or maybe it just folds x == 5 into true).
I was curious what dmd did, and the disassembly
I'm trying to understand the consequences of casting away
immutable from a pointer. The code below has some weird things
going on like the pointers still point to the correct address but
when you dereference them they don't point to the correct value
anymore.
Should I just assume this is
On Thursday, January 04, 2018 23:10:54 Steven Schveighoffer via Digitalmars-
d-learn wrote:
> On 1/4/18 10:58 PM, jmh530 wrote:
> > I'm trying to understand the consequences of casting away immutable from
> > a pointer. The code below has some weird things going on like the
> > pointers still
On 04.01.18 20:46, Steven Schveighoffer wrote:
> On 1/4/18 1:57 PM, Christian Köstlin wrote:
>> Thanks Steve,
>> this runs now faster, I will update the table.
>
> Still a bit irked that I can't match the C speed :/
>
> But, I can't get your C speed to duplicate on my mac even with gcc, so
> I'm
I think code style like:
~~
struct User
{
int id;
string name;
string email;
}
class ORM
{
}
auto db = new ORM;
auto users =
db.select(User).where(email.like("*@hotmail.com")).limit(10);
foreach(user; users)
{
I added now a c variant, that does always malloc/memcpy/free. Its much
slower for sure.
Also I put some output in thats shows when a real realloc happens. Its
like you said:
did a real realloc
did a real realloc
did a real realloc
did a real realloc
did a real realloc
did a real realloc
did not a
On Friday, 29 December 2017 at 18:13:04 UTC, H. S. Teoh wrote:
On Fri, Dec 29, 2017 at 10:35:53AM +, Andrei via
Digitalmars-d-learn wrote:
This may be endurable if you write an application where
Russian is only one of rare options, and what if your whole
environment is totally Russian?
On Wednesday, 3 January 2018 at 23:49:33 UTC, H. S. Teoh wrote:
On Wed, Jan 03, 2018 at 03:42:07PM -0700, Jonathan M Davis via
Digitalmars-d-learn wrote:
On Wednesday, January 03, 2018 22:25:16 Mark via
Digitalmars-d-learn wrote:
[...]
> https://dlang.org/spec/function.html#safe-functions
>
>
On 1/4/18 7:23 AM, Andrew wrote:
On Thursday, 4 January 2018 at 12:15:27 UTC, Steven Schveighoffer wrote:
In any case, I'll figure out how to deal with concatenated gzip file,
and update iopipe. Next version will focus on a bunch of stuff
relating to the 2 zip threads recently posted here.
On Thursday, 4 January 2018 at 15:50:35 UTC, Vino wrote:
Hi All,
Request your help, on how o find the single type of a tuple
return type function, eg,
auto Fn (){
Array!string a;
Array!int b;
Array!ulong c;
return tuple(a, b, c);
}
if we use "ReturnType!Fn" it gives us the output as
On 1/3/18 3:28 PM, Steven Schveighoffer wrote:
Stay tuned, there will be updates to iopipe to hopefully make it as fast
in this microbenchmark as the C version :)
v0.0.3 has been released. To take advantage of using malloc/realloc, you
can use std.experimental.allocator.mallocator.Mallocator
Hi All,
Request your help, on how o find the single type of a tuple
return type function, eg,
auto Fn (){
Array!string a;
Array!int b;
Array!ulong c;
return tuple(a, b, c);
}
if we use "ReturnType!Fn" it gives us the output as
(Array!string,Array!int, Array!ulong) but what is need is the
On Thursday, 4 January 2018 at 16:09:07 UTC, Simen Kjærås wrote:
On Thursday, 4 January 2018 at 15:50:35 UTC, Vino wrote:
[...]
ReturnType!Fn[0] tries to give you the 0th field of the tuple,
but as the error message indicates, you can't do that without
an instance. What you want is the
Hi All,
Request your help on the below error for the below program.
Error:
CReadCol.d(20): Error: variable i cannot be read at compile time
CReadCol.d(21): Error: variable i cannot be read at compile time
CReadCol.d(22): Error: variable i cannot be read at compile time
Program
import
On Thursday, 4 January 2018 at 15:48:21 UTC, Steven Schveighoffer
wrote:
It's now been updated, see version 0.0.3.
Note, the performance isn't something I focused on. I'll note
that gzcat | wc -l is 2x faster than your simple example on
that file.
I can think of a couple reasons for this:
On Friday, January 05, 2018 04:16:48 Adam D. Ruppe via Digitalmars-d-learn
wrote:
> On Friday, 5 January 2018 at 04:10:54 UTC, Steven Schveighoffer
>
> wrote:
> > The compiler assumes x is going to be 5 forever, so instead of
> > loading the value at that address, it just loads 5 into a
> >
Why is it not allowed for a variable name to match a type name?
The following example fails with "Error: variable foo conflicts
with struct foo"
struct foo {}
foo foo;
On Thursday, 4 January 2018 at 17:45:35 UTC, Stijn wrote:
Why is it not allowed for a variable name to match a type name?
The following example fails with "Error: variable foo conflicts
with struct foo"
struct foo {}
foo foo;
How can the compiler know which symbol is which symbol if
On Thursday, 4 January 2018 at 17:45:35 UTC, Stijn wrote:
Why is it not allowed for a variable name to match a type name?
The following example fails with "Error: variable foo conflicts
with struct foo"
struct foo {}
foo foo;
Imagine if you then tried to write something like
On Thursday, 4 January 2018 at 17:59:55 UTC, Colin wrote:
How can the compiler know which symbol is which symbol if
everything has the same name?
Standard practice is to capitalise type names and camelCase
variable names.
The C# compiler has no trouble understanding code like that, so I
What is your definition of a dangling pointer?
A pointer pointing to freed memory, which presumably '[0]'
should be because it reallocates.
It seems that the '~=' operator "knows" that there's a reference
to 'a's old memory and it keeps it around instead of freeing it.
I just don't
On 1/4/18 4:47 AM, Christian Köstlin wrote:
I added now a c variant, that does always malloc/memcpy/free. Its much
slower for sure.
Also I put some output in thats shows when a real realloc happens. Its
like you said:
did a real realloc
did a real realloc
did a real realloc
did a real realloc
On 1/3/18 12:27 PM, Marc wrote:
for a safe programming, since C/C++ times I try to make thing const as
possible. locals, parameters etc anything which isn't going to change.
How do you do that in D? immutable everywhere?
For parameters, I'd recommend const, not immutable, as const allows more
On 1/4/18 6:50 AM, thedeemon wrote:
On Thursday, 4 January 2018 at 11:05:25 UTC, tipdbmp wrote:
It seems that the '~=' operator "knows" that there's a reference to
'a's old memory and it keeps it around instead of freeing it.
It's just not its job to free that memory. That memory is freed
On 1/4/18 7:01 AM, Andrew wrote:
Ah thank you, that makes sense. These types of files are compressed
using the bgzip utility so that the file can be indexed meaning specific
rows extracted quickly (there's more details of this here
http://www.htslib.org/doc/tabix.html and the code can be
On Thursday, 4 January 2018 at 12:15:27 UTC, Steven Schveighoffer
wrote:
On 1/4/18 7:01 AM, Andrew wrote:
Ah thank you, that makes sense. These types of files are
compressed using the bgzip utility so that the file can be
indexed meaning specific rows extracted quickly (there's more
details
On Thursday, 4 January 2018 at 11:05:25 UTC, tipdbmp wrote:
What is your definition of a dangling pointer?
A pointer pointing to freed memory, which presumably '[0]'
should be because it reallocates.
It allocates a larger array, but the old version is not freed up
front. Right because there
On Thursday, 4 January 2018 at 02:44:09 UTC, Steven Schveighoffer
wrote:
On 1/3/18 12:03 PM, Andrew wrote:
Thanks for looking into this.
So it looks like the file you have is a concatenated gzip file.
If I gunzip the file and recompress it, it works properly.
Looking at the docs of zlib
On Friday, 29 December 2017 at 18:13:04 UTC, H. S. Teoh wrote:
If the problem is in readln(), then you probably need to read
the input in binary (i.e., as ubyte[]) and convert it manually.
Could you kindly explain how I can read console input into binary
ubyte[]?
On Wednesday, 3 January 2018 at 17:27:38 UTC, Marc wrote:
for a safe programming, since C/C++ times I try to make thing
const as possible. locals, parameters etc anything which isn't
going to change.
How do you do that in D? immutable everywhere?
for example:
foreach(Field field;
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