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I'm working on a scanner plugin that loops through a range of various channels in increments of up to 32.
I'm new to Lua.
Tables, tables everywhere.
I did not know Lua did not do +=, ++.
i = i + 1 -- flashbacks.
I'm running into this variable type error,
plugins/scanner/main.lua:136: 'for' limit must be a number
and i've checked my variable types. both say they're numbers.
right now i'm working on getting the incremental loops running smoothly.
here's the link to the code :
http://codepad.org/Dc3jBBrx
thanks again, stack.
I think it's probably just a typo on line 136
Scanner.innerRrangeMax should be Scanner.innerRangeMax
e.g line 136 is
for i = Scanner.innerRangeMin, Scanner.innerRrangeMax do
try
for i = Scanner.innerRangeMin, Scanner.innerRangeMax do
Related
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Query:
DECLARE #Patd_base nvarchar(50) = 'axx';
PRINT #Patd_base
Output is
?axx
Why is the ? in the output? What does it mean?
Thanks for the help!
I believe you copied and pasted the value 'axx' from elsewhere. It has a hidden extended character in it.
When I copy/pasted your command above into Notepad++, and converted to ANSI encoding, I got '‪axx'
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error: expected expression before ';' token
graph[ ptr->count ].count- ;
^
I am getting the error shown when I compile my code in Geany. Can anyone please help what to do?
Assuming you’re trying to decrement...count by 1...you need one more minus sign, like this
int i = 10;
i--;
to be a valid expression in C/C++.
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Given the following function:
image_ret* minify_1(image_src img_src, CLIENT* cl) {
image_ret* img_ret;
magickminify_init();
magickminify(img_src.image_src_val, img_src.image_src_len, (ssize_t*)&img_ret->image_ret_len);
return image_ret;
}
The compiler is telling me "expected expression before ‘image_ret’" with regard to the last line. I'm sure I'm missing some fundamental aspect of syntax here, but I don't know what. Lil' help?
You need to return a value, not a type. image_ret is a type, img_ret is a poitner to a value of that type and probably what you want to return, except I see nowhere in your code where you allocate any storage to it, or initialising any of the fields except image_ret_len
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I'm using codeblocks IDE and I don't know what is the problem.
I tried making the variables global but it still doesn't work.
The problem is in the function name. Calculate_area has a capital 'C' in its function declaration name, but not in the prototype declaration.
Change your function declaration at line 31 with:
unsigned long calculate_area(unsigned long side);
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EDIT: Sorry, I accidentally submitted the question before I was done. Boy, are you guys quick!
I've been going through the second edition of The C Programming Language and noticed that the book uses broken bars instead of pipes. Was this an old notation or are they interchangeable?
Its a font problem, most of the books show it as broken pipe even though it is the pipe operator
Boolean OR operator. It will set all bits true that are true in either of both values provided.
if ( a==0 || b==3 )
if any one of these is true the "if" statement will execute because it looks for true or
false values.