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Why is an int in OCaml only 31 bits?
...f an integer, you simply reply Integer and nobody will ever know that you didn't actually store that information in the object header and that in fact, there isn't even an object header (or an object).
So, the trick is to store the value of the object within the pointer to the object, effectively c...
What is the Sign Off feature in Git for?
... created under an appropriate open-source license, or that it has been provided to you by someone else under those terms. This can help establish a chain of people who take responsibility for the copyright status of the code in question, to help ensure that copyrighted code not released under an app...
How do I tell git to always select my local version for conflicted merges on a specific file?
...rge driver would aways keep the version coming from the other branch, overriding any local change)
Now, let's retry the merge from the beginning:
git reset --hard
HEAD is now at ec202aa prepare myBranch with .gitattributes merge strategy
git merge hisBranch
Auto-merging dirWithConflicts/a.txt
CON...
Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
...arning: This question is a bit heretical... religious programmers always abiding by good practices, please don't read it. :)
...
How is std::function implemented?
... std::function can differ from one implementation to another, but the core idea is that it uses type-erasure. While there are multiple ways of doing it, you can imagine a trivial (not optimal) solution could be like this (simplified for the specific case of std::function<int (double)> for the ...
How to fix “Headers already sent” error in PHP
...TP header are:
header / header_remove
session_start / session_regenerate_id
setcookie / setrawcookie
Output can be:
Unintentional:
Whitespace before <?php or after ?>
The UTF-8 Byte Order Mark specifically
Previous error messages or notices
Intentional:
print, echo and other fu...
How do you use version control with Access development?
...nt of tables, and a few forms for data entry & report generation. It's an ideal candidate for Access.
20 Answers
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What do 'statically linked' and 'dynamically linked' mean?
...the file, for example) is included in the executable and the contents of said file are not included at link time. It's only when you later run the executable that these dynamically linked files are bought in and they're only bought into the in-memory copy of the executable, not the one on disk.
It'...
What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?
...ays, the current best option in Haskell, in my view, is repa.
Repa provides high performance, regular, multi-dimensional, shape polymorphic parallel arrays. All numeric data is stored unboxed. Functions written with the Repa combinators are automatically parallel provided you supply +RTS -Nwhate...
Why do I have to access template base class members through the this pointer?
...se
int A;
#endif
static const int x = 2;
template <typename T> void foo() { A *x = 0; }
if A is a type, that declares a pointer (with no effect other than to shadow the global x). If A is an object, that's multiplication (and barring some operator overloading it's illegal, assigning to a...