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What is the best way to stop people hacking the PHP-based highscore table of a Flash game
...m with Internet games and contests. Your Flash code works with users to decide a score for a game. But users aren't trusted, and the Flash code runs on the user's computer. You're SOL. There is nothing you can do to prevent an attacker from forging high scores:
Flash is even easier to reverse engi...
What does “dereferencing” a pointer mean?
...t's (current) value - I focus below on C and C++.
A pointer scenario
Consider in C, given a pointer such as p below...
const char* p = "abc";
...four bytes with the numerical values used to encode the letters 'a', 'b', 'c', and a 0 byte to denote the end of the textual data, are stored somewher...
Why do we copy then move?
I saw code somewhere in which someone decided to copy an object and subsequently move it to a data member of a class. This left me in confusion in that I thought the whole point of moving was to avoid copying. Here is the example:
...
How to explain Katana and OWIN in simple words and uses?
...
Katana on the other hand, is a fully developed framework made to make a bridge between current ASP.NET frameworks and OWIN specification. At the moment, Katana has successfully adapted the following ASP.NET frameworks to OWIN:
Web API
Signal R
ASP.NET MVC and Web Forms are still running exclusi...
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...