Posts by Claudio Ferreira • 857 points
16 posts
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6
votes7
answers13486
viewsA: Is Delphi an IDE or programming language?
Which Object Pascal compiler compiles these instructions (Generics) if not Delphi ? Var List : TList<String>; Begin List : TList<String>.Create; End; Which Pascal Object compiler…
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votes3
answers596
viewsA: Delphi 7 apps in windows 8
Yes. The Indy 9 on the D7 is fully compatible with the new versions of windows 7, 8 and 10 and runs normally on them. No. You do not need any DLL to be distributed together with the executable. You…
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votes2
answers357
viewsA: How to translate a hexadecimal statement on the intel x86 architecture to Assembly?
See the options for each instruction in the 80x86 Instruction-set. There is a table mapping each instruction with its Hexa opcode. When identifying the Opcode see which instruction in Assembly…
assemblyanswered Claudio Ferreira 857 -
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answers32712
viewsA: Abstract Class X Interface
To understand the difference between abstract classes and Interfaces I believe it will be necessary to resort to history in order to elucidate how things occurred. Even though it already existed in…
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answer1324
viewsA: Legacy interface in Delphi
If you want to share the write method to the 2 Physical and Legal classes because the write method will have the same behavior and same code for the 2 daughter classes, then make use of inheritance…
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votes2
answers355
viewsA: Update dlls in client
If the database is Mysql, you only need libmysql.dll. To be compatible you would have to downgrade by installing Mysql Server 4 on your machine, after that look for the dll libmysql.dll in its…
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votes1
answer664
viewsA: SOAP communication error. Lack of XML tag ending character
I may be wrong, but something tells me that the error has to do with how XML is interpreted by SOAP since on most machines it works and only some do not. Try updating the protocol on the machines…
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answer1641
viewsA: Post method with idhttp without locking
Put the Tidantifreeze component of the Indy palette into the form that will no longer freeze.
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votes2
answers938
viewsA: I have a multi-language site, in the matter of SEO which is better: Using Subdomains or Directories?
If you use with subdomain you know that you will be treated by google as another site that will have its relevance highlighted from the main domain and will have to work each language in terms of…
seoanswered Claudio Ferreira 857 -
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answers1524
viewsA: Upper or lower case URL
It makes no difference to Google having upper or lower case letters. To follow the pattern use lowercase however if you have already done in uppercase there will be no problem.
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votes2
answers81
viewsA: Does page title and random post affect position in search results?
The title tag must be correlated with the internal content, so if Voce changes the content it must also change the title to indicate what the internal content of the page is about. In fact it is the…
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votes1
answer73
viewsA: Questions - google page rank
User-friendly URL is one of the ranking factors, so Oce might be better positioned in the SERP with a user-friendly URL than with another without, Without the user-friendly URL it will take more…
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answers749
viewsA: How to optimize the query in a remote bank using Clientdataset?
If there is no index you are doing full scan table and that is the reason for the delay. Create indexes for each field in Join and Where and run the query again
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votes2
answers2001
viewsA: Does Delphi own a garbage collector?
No, Delphi doesn’t have GC. GC in my design is the automatic release of objects allocated by the program by code generated by the compiler in the executable. This code is at the margin of the main…
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votes2
answers1135
viewsA: Format Customformat value in Livebinding
You’re passing a String to be formatted for numeric is that right? It wouldn’t be like this: Format('%d',[Self.Owner.FieldByName('soma').AsInteger])
delphianswered Claudio Ferreira 857 -
46
votes4
answers41133
viewsA: What are they and where are the "stack" and "heap"?
I would like to present here my less technical understanding than the answers given above but that can be of help to the programmer who just wants to know what it is about without delving into the…