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Accessing an array out of bounds gives no error, why?
...(although it does not forbid it either). A vector also has the at() member function which is guaranteed to perform bounds-checking. So in C++, you get the best of both worlds if you use a vector. You get array-like performance without bounds-checking, and you get the ability to use bounds-checked ac...
How do I represent a hextile/hex grid in memory?
...e a Board with constant time random access to vertices and edges. It was a fun problem, but the board took a lot of time, so in case anyone is still looking for a simple implementation here is our Python code:
class Board:
# Layout is just a double list of Tiles, some will be None
def __init__(...
Using SSH keys inside docker container
I have an app that executes various fun stuff with Git (like running git clone & git push) and I'm trying to docker-ize it.
...
Object-orientation in C
...truct derived *)base_ptr; // downcast
To get polymorphism (i.e. virtual functions), you use function pointers, and optionally function pointer tables, also known as virtual tables or vtables:
struct base;
struct base_vtable
{
void (*dance)(struct base *);
void (*jump)(struct base *, int ...
How to sort List of objects by some property
...
123
Using Comparator
For Example:
class Score {
private String name;
private List<In...
How does one reorder columns in a data frame?
...n of this function to my personal package.
– CoderGuy123
Jul 6 '16 at 12:12
1
This is really usef...
Best way to store time (hh:mm) in a database
...
Another fun problem is if you are relying on the time component, it will not account for the Daylight savings adjustments when used at different times of the year.
– Chris Seufert
Nov 23 '17 at ...
Get an object properties list in Objective-C
...}
free(properties);
}
This required me to make a 'getPropertyType' C function, which is mainly taken from an Apple code sample (can't remember right now the exact source):
static const char *getPropertyType(objc_property_t property) {
const char *attributes = property_getAttributes(proper...
How to calculate a time difference in C++
...
123
See std::clock() function.
const clock_t begin_time = clock();
// do something
std::cout <...
How to remove a TFS Workspace Mapping?
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123
I ran into the same problem, and was able to fix it by manually deleting all the files in the ...