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Programming is thinking, not typing |
I use C++Builder 10.1 (Berlin) that proposes both 'classic' bcc32 compiler and new clang bcc32c. Whether do you rather to use classic compiler or to switch to clang? The answer is not quite simple.
The advantages of new clang compiler:
Debian distribution doesn't have USB startup disk creator software. However, you can make live USB stick based on Live-DVD ISO from command line.
sudo dd bs=4M if=///.iso of=/dev/sdX && sync
where sdX is the USB device name. Don't use trailing digits like sdb1.
Example
sudo dd bs …The text below is not mine but I completely agree with author, after many years in software engineering using models to generate programs, components and codes. See also Geniel Lamp tool and my presentation "[MDA/MDD approach - Relation to the software development life-cycle](https://www.researchgate.net/publication/287201275_Architecture_of_enterprise_automated_information_system_-Layers_and_levels_-MDA_MDD_approach_-Relation_to_the_software_development_life-cycle".
The …
This article is used in my book "Programming with databases".
Better to see once than to hear a hundred times. This small article explains what are the different kinds of joins in SQL.
At the first time you should take into account that SQL is a declarative 4th generation language …
Since early XE versions C++ Builder supports Delphi units directly added in C++ project and compiles them as well as C/C++ source. However, this approach has several drawbacks:
Here are some examples of SQL to generate a sequence of numeric (integer) values from 0 to 99.
ANSI-compatible
SELECT ones.n1 + tens.n2 * 10
FROM
(
SELECT 0 AS n1
UNION SELECT 1 AS n1
UNION SELECT 2 AS n1
UNION SELECT 3 AS n1
UNION SELECT 4 AS n1 …Some countries have integer numbers printed on the transport tickets, for example, in ex-USSR. The ticket is "happy" when the sum of the first half of digits equals to the second one. Then you should eat it and make a wish.
Example:
123456 and 111222 are not happy tickets
123123 …How to install and use Delphi 7 and help files on Windows 8/10 or Server 2012.
Start Delphi setup and install all required items including help files.
In Windows 8/10/Server 2012 or later (should work on Windows 7 too):
Delphi32.exeHere is the code explaining some methods to pack bit accessing logic in your program.
program project1;
type
TRec1 = packed record // Doesn't pack at all
b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12, b13, b14, b15, b16: boolean;
end;
TRec2 = bitpacked record // Free Pascal specific …As DBAs know, Database Tuning Advisor can help you in some cases.