MrError
asked on
question for kretzschmar...
Hello,
I see you have alot of points so I thought I would ask you a question. I throw a value into a string something like 10.06 . I know it is an integer but I want to hold the value in a string. With this value in the string I want to take the last two character 06 and move them into another variable. This is probably very easy to do but I am not finding the answer. What do you think?
MrError
I see you have alot of points so I thought I would ask you a question. I throw a value into a string something like 10.06 . I know it is an integer but I want to hold the value in a string. With this value in the string I want to take the last two character 06 and move them into another variable. This is probably very easy to do but I am not finding the answer. What do you think?
MrError
Two ways:
- if you use integer instead of string
var2 := var1 mod 100;
- if you use string still
var2 := Copy(var1, 4, 2);
By the way 10.06 is not integer...
- if you use integer instead of string
var2 := var1 mod 100;
- if you use string still
var2 := Copy(var1, 4, 2);
By the way 10.06 is not integer...
hi,
i would do something like this
if pos('.',Edit1.Text) > 0 then
edit2.text := copy(Edit1.text,pos('.',Ed
this would take all after the point to the second var(edit2). if you want only 2 didits, then replace maxlongint with 2
meikl
i would do something like this
if pos('.',Edit1.Text) > 0 then
edit2.text := copy(Edit1.text,pos('.',Ed
this would take all after the point to the second var(edit2). if you want only 2 didits, then replace maxlongint with 2
meikl
good answer kretzschmar, I was going to bed before writing my code..
But one thing...
for optimization
Index := Pos('.', Edit1.Text);
if Index > 0 then
Edit2.Text := Copy(Edit1.Text, Index + 1, MaxLongInt);
this will generate less code... Because using Pos func two times causes two calls to that func...
But one thing...
for optimization
Index := Pos('.', Edit1.Text);
if Index > 0 then
Edit2.Text := Copy(Edit1.Text, Index + 1, MaxLongInt);
this will generate less code... Because using Pos func two times causes two calls to that func...
yup denizcan,
thats true, this optimization will solve some nanoseconds ;-)
(well it depends how often its called,
therefore you're correct)
meikl ;-)
thats true, this optimization will solve some nanoseconds ;-)
(well it depends how often its called,
therefore you're correct)
meikl ;-)
ASKER
denizcan & kretzschmar,
Thank you for both your ideas I will try using them soon. Uhhh oh yeah 10.06 is a float not an integer.
denizcan what type is the index? is it a string, integer?
Index := Pos('.', Edit1.Text);
MrError
Thank you for both your ideas I will try using them soon. Uhhh oh yeah 10.06 is a float not an integer.
denizcan what type is the index? is it a string, integer?
Index := Pos('.', Edit1.Text);
MrError
hi mrerror,
var
index : Integer;
the function pos geives you the position of the given substring
('.' in this case) in a String (second parameter) as integer. if the
substring is not in the string the pos-function returns 0.
to solve processortime denizcan used the variable index to
store the position by the calling the pos-function once, and then
compare and action by usage of this var. cost less time than call
the pos-function twice.
well the difference is minimal,
but by exzessive usage, the better solution
meikl ;-)
var
index : Integer;
the function pos geives you the position of the given substring
('.' in this case) in a String (second parameter) as integer. if the
substring is not in the string the pos-function returns 0.
to solve processortime denizcan used the variable index to
store the position by the calling the pos-function once, and then
compare and action by usage of this var. cost less time than call
the pos-function twice.
well the difference is minimal,
but by exzessive usage, the better solution
meikl ;-)
ASKER
kretzschmar,
Ok this looks good. One more question how can I grab the first two digits? Since I am splitting this string up I will need both the values before the '.' and the ones after the '.' .
Index := Pos('.', Edit1.Text);
if Index > 0 then
x := strtoint(Copy(Edit1.Text, Index + 1, MaxLongInt));
Instead if a plus do I use - 1?
MrError
Ok this looks good. One more question how can I grab the first two digits? Since I am splitting this string up I will need both the values before the '.' and the ones after the '.' .
Index := Pos('.', Edit1.Text);
if Index > 0 then
x := strtoint(Copy(Edit1.Text, Index + 1, MaxLongInt));
Instead if a plus do I use - 1?
MrError
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ASKER
meikl,
Man you are good. Thanks for your quick reply/solution to my problem. I think you could make a living at this programming thing.
MrError
Man you are good. Thanks for your quick reply/solution to my problem. I think you could make a living at this programming thing.
MrError
ASKER