On Sunday, 14 June 2015 at 06:46:05 UTC, Ali Çehreli wrote:
On 06/13/2015 11:12 PM, Ozan wrote:
Hallo!
Is it possible to create arrays which has more then one type,
Not possible.
f. ex. array[0] = 1; array[1] = z; array[2] = new clazz(),
I tried Variant, but it slow down heavily my
On Sunday, 14 June 2015 at 06:43:48 UTC, ketmar wrote:
On Sun, 14 Jun 2015 06:12:29 +, Ozan wrote:
Hallo!
Is it possible to create arrays which has more then one type,
f. ex. array[0] = 1; array[1] = z; array[2] = new clazz(),
I tried Variant, but it slow down heavily my app.
it
On 2015-06-14 15:54:30 +, Etienne Cimon said:
Yes, however nothing really guarantees multi-threading = multi-core.
The kernel reserves the right and will most likely do everything
possible to keep your process core-local to use caching efficiently.
Hi, sure. It's more about raising the
Hello,
I've picked up a web design project, and I would love to use
vibe.d/dlang. I need to use oauth to search on a number of web
api's, such as searching for Twitter tweets.
I tried using Adam's oauth (Thanks!). However, it doesn't appear
support the validation needed for searching
Thank you all for the very fast answers. It looks like that works.
Anyone else getting this problem on Arch Linux?
dmd hello.d
hello.o:hello.d:TypeInfo_S3std3uni38__T13InversionListTS3std3uni8GcPolicyZ13InversionList67__T9IntervalsTS3std3uni32__T8CowArrayTS3std3uni8GcPolicyZ8CowArrayZ9Intervals.init$:
error: undefined reference to
On Mon, 15 Jun 2015 15:10:20 +, jmh530 wrote:
you shouldn't cast it like that. use `std.array.array` to get the actual
array. like this:
import std.array;
auto y = x.map!(a = exp(a)).array;
the thing is that `map` returns so-called lazy range. lazy ranges
trying to not do any work
On Mon, 15 Jun 2015 04:06:12 +, Baz wrote:
On Monday, 15 June 2015 at 03:53:35 UTC, Yuxuan Shui wrote:
Is it possible to apply some operation on every member of a TypeTuple,
then get the result back?
Say I have a TypeTuple of array types, and I want a TypeTuple of their
element types,
You two are phenomenal! Thanks!
On Monday, 15 June 2015 at 14:41:32 UTC, Taylor Gronka wrote:
I tried using Adam's oauth (Thanks!). However, it doesn't
appear support the validation needed for searching Twitter.
https://github.com/adamdruppe/arsd/blob/master/oauth.d
I haven't actually used the twitter search api for like a
On Monday, 15 June 2015 at 14:41:32 UTC, Taylor Gronka wrote:
Hello,
I've picked up a web design project, and I would love to use
vibe.d/dlang. I need to use oauth to search on a number of web
api's, such as searching for Twitter tweets.
I tried using Adam's oauth (Thanks!). However, it
I wrote a simple function to apply map to a float dynamic array
auto exp(float[] x) {
auto y = x.map!(a = exp(a));
return y;
}
However, the type of the result is MapResult!(__lambda2,
float[]). It seems like some of the things that I might do to a
float[], I can't do to this
Here's a working example using std.net.curl to search:
http://arsdnet.net/dcode/twitter.d
I show how you can get a token from the command line and code
that I think will also work from std.net.curl in the top comment.
Once you get that token, paste it in here, pulling it out of the
json.
On Mon, 15 Jun 2015 15:10:20 +, jmh530 wrote:
So I suppose I have two questions: 1) am I screwing up the cast, or is
there no way to convert the MapResult to float[], 2) should I just not
bother with map (I wrote an alternate, longer, version that doesn't use
map but returns float[]
On Monday, 15 June 2015 at 15:10:24 UTC, jmh530 wrote:
So I suppose I have two questions: 1) am I screwing up the
cast, or is there no way to convert the MapResult to float[]
Don't cast it, just slap a .array on the end after importing
std.range. Like so:
import std.algorithm;
import
On Monday, 15 June 2015 at 15:10:24 UTC, jmh530 wrote:
float[] exp(float[] x) {
auto y = x.map!(a = exp(a));
cast(float[]) y;
return y;
}
But I get an error that I can't convert MapResult!(__lambda2,
float[]) to float[].
So I suppose I have two questions: 1) am I
On Monday, 15 June 2015 at 15:23:43 UTC, Taylor Gronka wrote:
You two are phenomenal! Thanks!
Oh, replaceMap is a custom funciton I wrote too...
Eases replacing multiple values in a string with 1 function call.
I wont pretend that it's fast as it allocates a lot of memory :)
public string
On Monday, 15 June 2015 at 15:10:24 UTC, jmh530 wrote:
snip
float[] exp(float[] x) {
auto y = x.map!(a = exp(a));
cast(float[]) y;
return y;
}
Also, I dont think your functions will work?
Your recursively calling exp in your map, but with a 'float'
instead of
On Sunday, 7 June 2015 at 00:38:17 UTC, Jonathan Villa wrote:
module dt2.DataBlock;
class DataBlock
{
public DataBlock * NextBlock;
public DataBlock * PrevBlock;
public string value;
this()
{
NextBlock = null;
PrevBlock =
On Monday, 15 June 2015 at 15:50:59 UTC, Atila Neves wrote:
Anyone else getting this problem on Arch Linux?
dmd hello.d
On 06/15/2015 08:21 AM, Adam D. Ruppe wrote:
don't call .array if you don't have to, chaining calls to
map and such, even foreach(item; some_map_result) can be done without
actually building the array and can give more efficiency.
To add, the OP can use 'sum' or 'reduce' for adding them
I have a template class which is derived from a base class. Is it
possible to extract the template parameter from a reference to
the base class?
Can is() operate on TypeInfo?
On Monday, 15 June 2015 at 18:10:34 UTC, Yuxuan Shui wrote:
Can is() operate on TypeInfo?
yes, you can compare instance of TypeInfo using is or '==' too,
using typeid which
is returns at run-time the TypeInfo of the argument:
---
void main()
{
assert(typeid(2) == typeid(1));
On Mon, 15 Jun 2015 17:07:55 +, jmh530 wrote:
I have a little bit of a follow up.
After making the recommended changes, the function seems to work with
both static and dynamic arrays. I then noticed that all of the examples
for functions that pass arrays in
On 6/15/15 2:10 PM, Yuxuan Shui wrote:
I have a template class which is derived from a base class. Is it
possible to extract the template parameter from a reference to the base
class?
No. You can't get compile-time information at runtime, unless you have
stored it somewhere that runtime can
On Monday, 15 June 2015 at 15:10:24 UTC, jmh530 wrote:
I wrote a simple function to apply map to a float dynamic array
auto exp(float[] x) {
auto y = x.map!(a = exp(a));
return y;
}
However, the type of the result is MapResult!(__lambda2,
float[]). It seems like some of the
On Monday, 15 June 2015 at 16:16:00 UTC, Ali Çehreli wrote:
On 06/15/2015 08:21 AM, Adam D. Ruppe wrote:
don't call .array if you don't have to, chaining calls to
map and such, even foreach(item; some_map_result) can be done
without
actually building the array and can give more efficiency.
On 06/15/2015 09:39 AM, Marc =?UTF-8?B?U2Now7x0eiI=?=
schue...@gmx.net wrote:
writeln(y.sum);// same as sum(y)
}
An equivalent of the last line:
writeln(reduce!((result, a) = result + a)(y));
`sum` is better for floating-point ranges, because it uses pair-wise or
Kahan
I have a little bit of a follow up.
After making the recommended changes, the function seems to work
with both static and dynamic arrays. I then noticed that all of
the examples for functions that pass arrays in
http://dlang.org/function.html use the dynamic array notation
like my function
On Monday, 15 June 2015 at 19:22:31 UTC, jmh530 wrote:
On Monday, 15 June 2015 at 19:04:32 UTC, Baz wrote:
In addition to the other answers you can use
std.algorithm.iteration.each():
---
float[] _exp(float[] x) {
auto result = x.dup;
result.each!(a = exp(a));
return result;
}
---
On Monday, 15 June 2015 at 19:30:08 UTC, Baz wrote:
On Monday, 15 June 2015 at 19:22:31 UTC, jmh530 wrote:
On Monday, 15 June 2015 at 19:04:32 UTC, Baz wrote:
In addition to the other answers you can use
std.algorithm.iteration.each():
---
float[] _exp(float[] x) {
auto result = x.dup;
I suppose I would want whichever has the best performance.
Without testing, I'm not sure which one would be better.
Thoughts?
I had been fighting with the map results because I didn't
realize there was an easy way to get just the array.
I'm actually not having much luck with your original
On Monday, 15 June 2015 at 19:32:12 UTC, Baz wrote:
On Monday, 15 June 2015 at 19:30:08 UTC, Baz wrote:
On Monday, 15 June 2015 at 19:22:31 UTC, jmh530 wrote:
On Monday, 15 June 2015 at 19:04:32 UTC, Baz wrote:
In addition to the other answers you can use
std.algorithm.iteration.each():
---
On Monday, 15 June 2015 at 19:04:32 UTC, Baz wrote:
In addition to the other answers you can use
std.algorithm.iteration.each():
---
float[] _exp(float[] x) {
auto result = x.dup;
result.each!(a = exp(a));
return result;
}
---
Am I right that the difference is that map is lazy
On Monday, 15 June 2015 at 06:39:49 UTC, Nicholas Wilson wrote:
On Sunday, 7 June 2015 at 00:38:17 UTC, Jonathan Villa wrote:
Just an FYI classes are reference types in D so you probably
meant
public DataBlock NextBlock; // is a class reference
public DataBlock * PrevBlock;
On Monday, 15 June 2015 at 18:30:55 UTC, Steven Schveighoffer
wrote:
On 6/15/15 2:10 PM, Yuxuan Shui wrote:
I have a template class which is derived from a base class. Is
it
possible to extract the template parameter from a reference to
the base
class?
No. You can't get compile-time
On Monday, 15 June 2015 at 22:56:57 UTC, Yuxuan Shui wrote:
On Monday, 15 June 2015 at 18:30:55 UTC, Steven Schveighoffer
wrote:
[...]
Well I don't have a serious use case of this. I just started
using D couple of weeks ago, and is now experimenting with it
by writing a toy compiler.
What
On 06/15/2015 12:44 PM, jmh530 wrote:
On Monday, 15 June 2015 at 19:32:12 UTC, Baz wrote:
Ah sorry it's you the OP. just get it. So you wanted greedy, didn't
you ?
I suppose I would want whichever has the best performance. Without
testing, I'm not sure which one would be better.
On 06/15/2015 04:04 PM, Yuxuan Shui wrote:
Maybe I can put a virtual function in the class that return the template
parameter?
Yeah, that's how I would do it.
Ali
On Monday, 15 June 2015 at 20:10:30 UTC, jmh530 wrote:
I suppose I would want whichever has the best performance.
Without testing, I'm not sure which one would be better.
Thoughts?
I had been fighting with the map results because I didn't
realize there was an easy way to get just the array.
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