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How do you detect where two line segments intersect? [closed]
...sted by KingNestor because it's all multiplication and division, no square roots!
I guess there's some potential for divide by zero in there, though it hasn't been an issue in my case. Easy enough to modify to avoid the crash anyway.
// Returns 1 if the lines intersect, otherwise 0. In addition, if ...
What is a CSRF token ? What is its importance and how does it work?
...
The root of it all is to make sure that the requests are coming from the actual users of the site. A csrf token is generated for the forms and Must be tied to the user's sessions. It is used to send requests to the server, in whi...
What are bitwise shift (bit-shift) operators and how do they work?
...'t need to implement code like this (or like Carmack's black-magic inverse root function) for graphic functions :-)
– Joe Pineda
Aug 29 '12 at 2:03
3
...
What are the best practices for catching and re-throwing exceptions?
... if it bubbles all the way up and needs to be logged, you can trace to the root exception thrown (walk the chain) so you still have all the debugging information that you need!
Don't simply catch and rethrow the same exception unless you need to do some post-processing. But a block like } catch (E...
A gentle tutorial to Emacs/Swank/Paredit for Clojure
...(interactive (list (ido-read-directory-name
"Project root:"
(locate-dominating-file default-directory "pom.xml"))))
(when (get-buffer "*inferior-lisp*")
(kill-buffer "*inferior-lisp*"))
(cd path)
;; I'm not sure if I want to mkdir; doing that wou...
Mixing Angular and ASP.NET MVC/Web api?
...ermore, you're probably using asset bundles for CSS or scripts, and having root pages that are Razor or whatever would bring those things together well.
– moribvndvs
May 6 '14 at 10:37
...
How to merge YAML arrays?
...now which nested sequences to flatten (i.e. by knowing the "path" from the root
of the loaded data structure to the parent sequence), or that you recursively walk the loaded
data structure searching for nested arrays/lists and indiscriminately flatten all of them.
A better solution IMO would be to ...
Get path of executable
...e_path_fallback(argv0);
}
boost::filesystem::path p(ret);
if (!p.has_root_directory())
{
boost::system::error_code ec;
p = boost::filesystem::canonical(
p, boost::filesystem::current_path(), ec);
if (ec.value() != boost::system::errc::success)
{
return detail::exe...
git merge: apply changes to code that moved to a different file
...t; file.txt
$ git add file.txt
$ git commit -am "file.txt added."
[master (root-commit) 401b10d] file.txt added.
1 file changed, 1 insertion(+)
create mode 100644 file.txt
Create a branch where you will edit later:
$ git branch branch-with-edits
Branch branch-with-edits set up to track local br...
Which kind of pointer do I use when?
...he existence of a tree implies the existence of its parent (or nullptr for root), so that uses a normal pointer. A binary tree (with value semantics) has sole ownership of its children, so those are std::unique_ptr.
struct ListNode
{
std::shared_ptr<ListNode> m_next;
std::weak_ptr<...