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What is a Memory Heap?
...
Presumably you mean heap from a memory allocation point of view, not from a data structure point of view (the term has multiple meanings).
A very simple explanation is that the heap is the portion of memory where dynamically allocated memory resides (i.e. memory ...
OAuth secrets in mobile apps
...ou can watch for patterns of abuse and revoke access on the user or access token level before the API you're consuming decides to shut down your entire service.
– quasistoic
Jul 8 '12 at 5:20
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Get path of executable
...t;boost/predef.h>
#include <boost/version.hpp>
#include <boost/tokenizer.hpp>
#if (BOOST_VERSION > BOOST_VERSION_NUMBER(1,64,0))
# include <boost/process.hpp>
#endif
#if (BOOST_OS_CYGWIN || BOOST_OS_WINDOWS)
# include <Windows.h>
#endif
#include <boost/executabl...
How is Python's List Implemented?
...em[0], etc. */
PyObject **ob_item;
/* ob_item contains space for 'allocated' elements. The number
* currently in use is ob_size.
* Invariants:
* 0 <= ob_size <= allocated
* len(list) == ob_size
* ob_item == NULL implies ob_size == allocated == 0
...
Using Python String Formatting with Lists
...ruct a string s in Python 2.6.5 which will have a varying number of %s tokens, which match the number of entries in list x . I need to write out a formatted string. The following doesn't work, but indicates what I'm trying to do. In this example, there are three %s tokens and the list has thr...
Does using “new” on a struct allocate it on the heap or stack?
...hen you create an instance of a class with the new operator, memory gets allocated on the heap. When you create an instance of a struct with the new operator where does the memory get allocated, on the heap or on the stack ?
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Why would I make() or new()?
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Go has multiple ways of memory allocation and value initialization:
&T{...}, &someLocalVar, new, make
Allocation can also happen when creating composite literals.
new can be used to allocate values such as integers, &int is illegal:
new(P...
What is the best way to stop people hacking the PHP-based highscore table of a Flash game
...ave to a single instance of the game, for instance by sending an encrypted token to the client at game startup, which might look like:
hex-encoding( AES(secret-key-stored-only-on-server, timestamp, user-id, random-number))
(You could also use a session cookie to the same effect).
The game code e...
Advantages of Antlr (versus say, lex/yacc/bison) [closed]
... Contrast that with antlr - assuming it uses 512 bytes of memory for every token in the file you want to parse. 4 million tokens and you are out of virtual memory on a 32-bit system.
If the file which you wish to parse is large, antlr may run out of memory, so if you just want to parse a configurat...
Difference in make_shared and normal shared_ptr in C++
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The difference is that std::make_shared performs one heap-allocation, whereas calling the std::shared_ptr constructor performs two.
Where do the heap-allocations happen?
std::shared_ptr manages two entities:
the control block (stores meta data such as ref-counts, type-erased del...