Re: [fpc-pascal] sqldb create/free lifetime of object

Yes, example should be adjusted. Please report bug to not forget. Thanks -Laco. The sql query object and transaction object are created but not freed: http://www.freepascal.org/docs-html/fcl/sqldb/usingsqldb.html I think the docs should mention that the objects need not to be freed, as this

[fpc-pascal] sqldb create/free lifetime of object

The sql query object and transaction object are created but not freed: http://www.freepascal.org/docs-html/fcl/sqldb/usingsqldb.html I think the docs should mention that the objects need not to be freed, as this violates normal programming practice of freeing all objects you create. P.s. how is

Re: [fpc-pascal] SpVoice.GetVoices returned exception class EOleSysError

Do you know about fpu issue, described on wiki? http://wiki.freepascal.org/SAPI Is it an fpu exception or something else? And stackoverflow http://stackoverflow.com/questions/3032739/delphi-sapi-text-to-speech Regards Toppost On Mon, April 10, 2017 12:58 am, misabov wrote: > The project has

Re: [fpc-pascal] Threading vs Parallelism ?

On 2017-03-30 11:29, Jon Foster wrote: On 03/29/2017 01:15 PM, Michael Van Canneyt wrote: On Wed, 29 Mar 2017, Dimitrios Chr. Ioannidis via fpc-pascal wrote: Hi, On 29/3/2017 9:57 μμ, fredvs wrote: Hello. Some developers treat me as dinosaur because I use threads in place of doing

Re: [fpc-pascal] Constants in generics

Am 12.04.2017 17:06 schrieb : > > On 2017-04-09 06:32, Ryan Joseph wrote: >>> >>> On Apr 9, 2017, at 6:13 PM, Maciej Izak wrote: >>> >>> sure, but not directly. Try this: >> >> >> Thanks, that’s a seriously funky hack but it works. :) The only >> downside is

Re: [fpc-pascal] Array clearing

Am 2017-04-12 um 16:17 schrieb Ryan Joseph: > SetLength resizes the array in memory and “clear” means setting all values to default() for that type. "clear" is not very clear to me ;-) IMO SetLength(array,0) is clearing too. The function you want should be called "Fill". For example a function

Re: [fpc-pascal] Array clearing

> On Apr 12, 2017, at 9:25 PM, Michael Van Canneyt > wrote: > > Adding a pop/push requires compiler magic, and could be implemented; but the > question is whether it is worth it, given the plethora of other > options at your disposal. Why magic? It seems silly the

Re: [fpc-pascal] *** GMX Spamverdacht *** Re: Array clearing

Am 2017-04-12 um 16:47 schrieb Michael Van Canneyt: >> Type MyType = record >> A : Integer; >> B : array of char; >> C : array of Float; >> end; // of record >> ArrayA = array of MyType; >> ArrayB = array of ArrayA. >> >> What

Re: [fpc-pascal] Array clearing

Am 2017-04-12 um 16:36 schrieb Ryan Joseph: > Why magic? It seems silly the operator += doesn’t exist Well, are we using Pascal or C? ;-) > or even a basic operation set like “add”, “remove”, “insert” that every array implementation in every language has. > Aren’t those just function around

Re: [fpc-pascal] WebAssembly Target

Am 12.04.2017 16:10 schrieb : > Why run webgl through javascript if you could just make something like a flash plugin object (like youtube videos) that plays opengl scenes using some native format similar to how flash uses SWF files, or whatever? Because the point is not to need

Re: [fpc-pascal] Array clearing

On Wed, 12 Apr 2017, Jürgen Hestermann wrote: Am 2017-04-12 um 16:17 schrieb Ryan Joseph: > SetLength resizes the array in memory and “clear” means setting all values to default() for that type. "clear" is not very clear to me ;-) IMO SetLength(array,0) is clearing too. The function you

Re: [fpc-pascal] Array clearing

> On Apr 12, 2017, at 9:43 PM, Jürgen Hestermann > wrote: > > "clear" is not very clear to me ;-) > IMO SetLength(array,0) is clearing too. SetLength resizes memory so there’s that distinction. The fact there is an API is what’s important because there’s at least a

Re: [fpc-pascal] sqldb create/free lifetime of object

Am 12.04.2017 14:32 schrieb : > In a way, this is a form of garbage collection or RAII sort of. And reduces the obnoxious free's required in non garbage collected programming languages... So it's a nice feature/trick to have ownership. But at the same time you can think there is

Re: [fpc-pascal] Array clearing

Am 12.04.2017 16:51 schrieb "Ryan Joseph" : > > > > On Apr 12, 2017, at 9:25 PM, Michael Van Canneyt wrote: > > > > Adding a pop/push requires compiler magic, and could be implemented; but the question is whether it is worth it, given the

Re: [fpc-pascal] Good FFT example anywhere?

On 10.04.2017 23:20, Bo Berglund wrote: - A pulse stimulus is applied to the object to measure - The response transient is recorded for up to 150 ms OK. In this case you will not need the "Windowing". Instead you need to make sure that the pulse is surrounded by enough Zero-line data. I

Re: [fpc-pascal] Call function in shared library from multiple threads

>> TDummyThread.Create(True) > Huh, I have memory leak with this. > Should it not be: --> TDummyThread.Create(false) ? (because with this, no > memory leak) Hello. Sorry to come back with this but without answer I am still full of doubt. Is TDummyThread.Create(True) wanted and so the

Re: [fpc-pascal] TSQLQuery and buffering.

On 2017-03-24 14:42, Gary Doades wrote: Hi everyone, Firstly, I realise this is an old subject, but I still can't find any easy answer. Really, the question is simple: Is there ANY way of TSQLQuery NOT reading the entire result set into memory? What about making multiple queries and setting

Re: [fpc-pascal] Hash List

On Wed, 12 Apr 2017, nore...@z505.com wrote: On 2017-03-17 19:06, Giuliano Colla wrote: Il 18/03/2017 00:29, African Wild Dog ha scritto: Ia there any hash list implementation in free Pascal? The IniFiles unit (fpc/packages/fcl-base/src/inifiles.pp) provides a THashedStringList

Re: [fpc-pascal] Array clearing

On Wed, 12 Apr 2017, Ryan Joseph wrote: On Apr 12, 2017, at 8:05 PM, nore...@z505.com wrote: Since fillchar is not a general way to clear an item it almost seems like pascal needs a way to clear things generically, such as Array.clear But I guess this would be reinventing OOP, or Ruby

Re: [fpc-pascal] Array clearing

On 2017-04-01 02:39, Sven Barth via fpc-pascal wrote: Am 01.04.2017 05:42 schrieb "Ryan Joseph" : As far as the compiler is concerned what’s the difference between clearing an array using a for-loop vs. FillChar? It seems like iterating the array would be slower

Re: [fpc-pascal] Hash List

On 2017-03-17 19:06, Giuliano Colla wrote: Il 18/03/2017 00:29, African Wild Dog ha scritto: Ia there any hash list implementation in free Pascal? The IniFiles unit (fpc/packages/fcl-base/src/inifiles.pp) provides a THashedStringList (descendant from TstringList) which I'm using reliably

Re: [fpc-pascal] Array clearing

> On Apr 12, 2017, at 9:07 PM, Jürgen Hestermann > wrote: > > What exactly does it do when "clearing" a dynamic array? > There are multiple ways to "clear" it. I see your point but there could be a good API to make this clear. SetLength resizes the array in memory

Re: [fpc-pascal] Array clearing

> On Apr 12, 2017, at 8:05 PM, nore...@z505.com wrote: > > Since fillchar is not a general way to clear an item it almost seems like > pascal needs a way to clear things generically, such as Array.clear > But I guess this would be reinventing OOP, or Ruby where everything is an > object and

Re: [fpc-pascal] Array clearing

Am 2017-04-12 um 15:46 schrieb Ryan Joseph: > I agree. Dynamic arrays only advantage is they are managed by the compiler but they’re missing obvious functionality like adding/removing elements so they’re usually pretty useless. > Why was the functionality of appending an element to the end

Re: [fpc-pascal] SpVoice.GetVoices returned exception class EOleSysError

On 12/04/17 13:37, nore...@z505.com wrote: > On 2017-04-12 07:01, fredvs wrote: >> Hello. >> >> There is also a free-open-source project : espeak : >> http://espeak.sourceforge.net >> >> The licence is GNU General Public License so you may use the >> executable like you want. > > The GPL is a

Re: [fpc-pascal] Array clearing

Am 2017-04-12 um 15:05 schrieb nore...@z505.com: > Since fillchar is not a general way to clear an item Define "clear". There are many things that can be named "clearing" (see below). > I've never been a fan of things like fillchar as it seems like a reinvention of something more like Clear()

Re: [fpc-pascal] WebAssembly Target

On 2017-03-17 09:57, Reimar Grabowski wrote: On Thu, 16 Mar 2017 11:14:17 + Graeme Geldenhuys wrote: And I am pleasantly surprised! :) That demo worked perfectly on my system. Sound, animation, graphics all silky smooth. Impressive indeed. If running a 3

Re: [fpc-pascal] Array clearing

On Wed, 12 Apr 2017, Ryan Joseph wrote: On Apr 12, 2017, at 9:25 PM, Michael Van Canneyt wrote: Adding a pop/push requires compiler magic, and could be implemented; but the question is whether it is worth it, given the plethora of other options at your disposal.

Re: [fpc-pascal] Constants in generics

> On Apr 12, 2017, at 10:06 PM, nore...@z505.com wrote: > > The only way I can think of extending the functionality of a array is to put > it into an old borland object (on the stack) but that may not be what you are > looking for. Then you can give the array methods, effectively, possibly >

Re: [fpc-pascal] SpVoice.GetVoices returned exception class EOleSysError

> I suppose if you just call the Exe and do piping this is not a violation of the GPL according to Richard Stallman Yes, it is what answered the author when I asked it by email. About using the library directly (with loadlib(espeak.so) or statically) he answered that ... the license is clear, you

Re: [fpc-pascal] SpVoice.GetVoices returned exception class EOleSysError

Hello. There is also a free-open-source project : espeak : http://espeak.sourceforge.net The licence is GNU General Public License so you may use the executable like you want. If you want to use the espeak library only, there is a fpc header here:

Re: [fpc-pascal] Threading vs Parallelism ?

Il 30/03/2017 00:26, fredvs ha scritto: Perfect, I have now all the arguments to defend the "Dinosaur Threading" choice. When I'm charged of not using the most cool and new technology, my favourite argument are the tombstones. They're made out of stone, which is a stone-age technology. But,

Re: [fpc-pascal] Threading vs Parallelism ?

On Wed, March 29, 2017 4:26 pm, fredvs wrote: > @Karoly Balogh (Charlie/SGR) > > > Perfect, I have now all the arguments to defend the "Dinosaur Threading" > choice. > > Thanks. > > > Fre;D > Methinks that programs should be designed or programmed in such an abstract way that you do not care or

Re: [fpc-pascal] Threading vs Parallelism ?

On Thu, March 30, 2017 1:56 am, Mark Morgan Lloyd wrote: > On 29/03/17 22:30, fredvs wrote: > >> @Karoly Balogh (Charlie/SGR) >> Perfect, I have now all the arguments to defend the "Dinosaur >> Threading"choice. >> Thanks. >> > > I'd second Charlie's point, and add that a very small change to a >

Re: [fpc-pascal] sqldb create/free lifetime of object

On Wed, 12 Apr 2017, LacaK wrote: Yes, example should be adjusted. Please report bug to not forget. The example is correct. All objects are freed. No need for a bugreport. Michael. ___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org

Re: [fpc-pascal] sqldb create/free lifetime of object

On Wed, 12 Apr 2017, Lars wrote: The sql query object and transaction object are created but not freed: http://www.freepascal.org/docs-html/fcl/sqldb/usingsqldb.html I think the docs should mention that the objects need not to be freed, as this violates normal programming practice of

Re: [fpc-pascal] sqldb create/free lifetime of object

On 2017-04-12 05:03, LacaK wrote: Yes, example should be adjusted. Please report bug to not forget. Thanks -Laco. It is not a bug, I just wanted to clarify the magic going on behind the scenes - which, is "ownership". That's all I needed to know. The key to seeing this trick/magic is in

Re: [fpc-pascal] sqldb create/free lifetime of object

Yes, example should be adjusted. Please report bug to not forget. The example is correct. All objects are freed. No need for a bugreport. Yes, correct. -Laco. ___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org

[fpc-pascal] Bls: WebAssembly Target

Pada Sabtu, 18 Maret 2017 0:54, Michael Van Canneyt menulis: You'll design a web app in the lazarus IDE (or Delphi IDE, for that matter). The app will be compiled to Javascript. Current thinking is that that there will be 2 "modes": - "Free" Mode, where the CSS