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How to declare a structure in a header that is to be used by multiple files in c?
...Struct ; /* Forward declaration */
struct MyStruct
{
/* etc. */
} ;
void doSomething(struct MyStruct * p) /* parameter */
{
struct MyStruct a ; /* variable */
/* etc */
}
While a typedef will enable you to write it without the struct keyword.
struct MyStructTag ; /* Forward declaration *...
Instance variables vs. class variables in Python
...guration. I wonder which of the following options would be better or more "idiomatic" Python.
4 Answers
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Sleeping in a batch file
...sired effect. I've found a better write-up of it here , which describes a callable "wait.bat", implemented as follows:
32 ...
See line breaks and carriage returns in editor
...
I typically dont need to see the line ending, because I mostly work in Unix environment. But I would like to be warned about Windows type line endings if there is any in the file. Will vi -b filename or :set binary just show ^M if ...
Why do people still use primitive types in Java?
...(remove(int) vs. remove(Object)). remove(Integer) would always resolve to calling the latter, so you could not remove an element by index.
On the other hand, there is a pitfall when trying to add and remove an int:
final int i = 42;
final List<Integer> list = new ArrayList<Integer>();...
Unpacking, extended unpacking and nested extended unpacking
Consider the following expressions. Note that some expressions are repeated to present the "context".
3 Answers
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Convert a number range to another range, maintaining ratio
...
It is called linear conversion, @Tarik
– Rodrigo Borba
Mar 4 at 14:27
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Can you break from a Groovy “each” closure?
...if you have 1 billion rows and the inner closure returns true on the first call, then you will iterate over 1 billion minus one values. :(
– sbglasius
Oct 26 '16 at 18:24
add ...
Add floating point value to android resources/values
...lue = outValue.getFloat();
I know that this is confusing (you'd expect call like getResources().getDimension(R.dimen.text_line_spacing)), but Android dimensions have special treatment and pure "float" number is not valid dimension.
Additionally, there is small "hack" to put float number into ...
How to resize images proportionally / keeping the aspect ratio?
...en use such as dimensions.maxWidth , dimensions.srcWidth ...*/ }, and then call it such as function({ maxWidth: someWidth, srcWidth: someOtherWith, maxHeight: someHeight, srcHeight: someOtherHeight }); ? this can be useful to avoid issues with parameters order.
– Adrien Be
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