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Difference between DTO, VO, POJO, JavaBeans?
...eans are reusable software components for Java that can be manipulated visually in a builder tool. Practically, they are classes written in the Java programming language conforming to a particular convention. They are used to encapsulate many objects into a single object (the bean), so that they can...
How to get the number of characters in a std::string?
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If you're using a std::string, call length():
std::string str = "hello";
std::cout << str << ":" << str.length();
// Outputs "hello:5"
If you're using a c-string, call strlen().
const char *str = "hello";
std::cout << str <<...
Xcode source automatic formatting
...ghly dependent on the automatic formatting in Visual Studio 2008. Specifically, I will use the CTRL + K , D keyboard shortcut to force things back into shape after my sloppy implementation.
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What is an SDL renderer?
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SDL_Window
SDL_Window is the struct that holds all info about the Window itself: size, position, full screen, borders etc.
SDL_Renderer
SDL_Renderer is a struct that handles all rendering. It is tied to a SDL_Window so it can only render within that SDL_Window. It als...
Your branch is ahead of 'origin/master' by 3 commits
...didn't push them to remote. You have several ways to "solve" it and it normally depends on how your workflow looks like:
In a good workflow your remote copy of master should be the good one while your local copy of master is just a copy of the one in remote. Using this workflow you'll never get th...
Correct way to delete cookies server-side
...path=/; expires=Thu, 01 Jan 1970 00:00:00 GMT
Note that you cannot force all browsers to delete a cookie. The client can configure the browser in such a way that the cookie persists, even if it's expired. Setting the value as described above would solve this problem.
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Linux: compute a single hash for a given folder & contents?
...to/folder -type f -print0 | sort -z | xargs -0 sha1sum | sha1sum
And, finally, if you also need to take account of permissions and empty directories:
(find path/to/folder -type f -print0 | sort -z | xargs -0 sha1sum;
find path/to/folder \( -type f -o -type d \) -print0 | sort -z | \
xargs -0...
What does “static” mean in C?
...rol" feature. If you have a .c file implementing some functionality, it usually exposes only a few "public" functions to users. The rest of its functions should be made static, so that the user won't be able to access them. This is encapsulation, a good practice.
Quoting Wikipedia:
In the C pro...
Add custom headers to WebView resource requests - android
...er for extraHeaders , but those are only applied to the initial request. All subsequent requests do not contain the headers. I have looked at all overrides in WebViewClient , but nothing allows for adding headers to resource requests - onLoadResource(WebView view, String url) . Any help would...
Conceptually, how does replay work in a game?
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I think your initial thought was correct. To create a replay, you store all input received from the user (along with the frame number at which it was received) along with the initial seeds of any random number generators. To replay the game, you reset your PRNGs using the saved seeds and feed th...