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c++ Programming Glossary: safe

In C++, why use static_cast<int>(x) instead of (int)x?

http://stackoverflow.com/questions/103512/in-c-why-use-static-castintx-instead-of-intx

things are completely different. A static_cast is usually safe. There is a valid conversion in the language or an appropriate.. the language like a flag in the object . A dynamic_cast is safe as long as the result is checked pointer or a possible exception..

In what cases do I use malloc vs new?

http://stackoverflow.com/questions/184537/in-what-cases-do-i-use-malloc-vs-new

constructor called . The new keyword is also more type safe whereas malloc is not typesafe at all. The only way I could.. keyword is also more type safe whereas malloc is not typesafe at all. The only way I could think that would be beneficial..

When does invoking a member function on a null instance result in undefined behavior?

http://stackoverflow.com/questions/2474018/when-does-invoking-a-member-function-on-a-null-instance-result-in-undefined-beha

Why is volatile not considered useful in multithreaded C or C++ programming?

http://stackoverflow.com/questions/2484980/why-is-volatile-not-considered-useful-in-multithreaded-c-or-c-programming

volatile do so it is effectively unnecessary. For thread safe accesses to shared data we need a guarantee that the read write.. across the volatile one allowing us to write thread safe code. However memory barriers also ensure that all pending reads..

When should static_cast, dynamic_cast and reinterpret_cast be used?

http://stackoverflow.com/questions/332030/when-should-static-cast-dynamic-cast-and-reinterpret-cast-be-used

more on that later . A T something something_else is safe however and guaranteed to call the constructor. static_cast.. to something that wasn't declared with const it is safe. This can be useful when overloading member functions based..

Finding C++ static initialization order problems

http://stackoverflow.com/questions/335369/finding-c-static-initialization-order-problems

Threaded Problem. C 11 does guarantee that this is thread safe. but C 03 does not officially guarantee that the construction.. that the construction of static function objects is thread safe. So technically the getInstance_XXX method must be guarded with..

Convert std::string to const char* or char*

http://stackoverflow.com/questions/347949/convert-stdstring-to-const-char-or-char

writable Edit Notice that the above is not exception safe. If anything between the new call and the delete call throws..

What are the differences between pointer variable and reference variable in C++?

http://stackoverflow.com/questions/57483/what-are-the-differences-between-pointer-variable-and-reference-variable-in-c

has the same address as the original variable itself it is safe to think of a reference as another name for the same variable... 12 illegal to dereference a temporary. This makes const safer for use in argument lists and so forth. share improve this..

Can a local variable's memory be accessed outside its scope?

http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope

use later you gave up the right to live in a predictable safe world because you chose to break the rules of the system. C.. you chose to break the rules of the system. C is not a safe language . It will cheerfully allow you to break the rules of.. is very hard to figure out who messed it up. More memory safe languages solve this problem by restricting your power. In normal..

Singleton: How should it be used

http://stackoverflow.com/questions/86582/singleton-how-should-it-be-used

the better. I am a minimalist Make sure it is thread safe Make sure it is never null Make sure it is created only once..

Take the address of a one-past-the-end array element via subscript: legal by the C++ Standard or not?

http://stackoverflow.com/questions/988158/take-the-address-of-a-one-past-the-end-array-element-via-subscript-legal-by-the

array . array 4 1 dereferences array 4 which is perfectly safe takes the address of that lvalue and adds one to that address..

Example for boost shared_mutex (multiple reads/one write)?

http://stackoverflow.com/questions/989795/example-for-boost-shared-mutex-multiple-reads-one-write

is updated. Right now a mutex keeps access to that data safe but it's expensive because I would like multiple threads to..

In C++, why use static_cast<int>(x) instead of (int)x?

http://stackoverflow.com/questions/103512/in-c-why-use-static-castintx-instead-of-intx

pMyObject pMyObject static_cast CMyClass pSomething Safe as long as we checked pMyObject CMyClass pSomething Same as.. pMyObject CMyClass pSomething Same as static_cast Safe as long as we checked but harder to read However let's see..

Was boost::bool_testable<> relocated or removed?

http://stackoverflow.com/questions/10490675/was-boostbool-testable-relocated-or-removed

and people eventually started to either copy paste the Safe Bool Idiom code to their classes or some time later they started..

Safe bool idiom in boost?

http://stackoverflow.com/questions/11781584/safe-bool-idiom-in-boost

bool idiom in boost Does the boost library provide an implementation.. if the integer passed to the constructor is greater than 0 Safe bool idiom with Boost.Range. #include boost range detail safe_bool.hpp.. to_unspecified_bool x_ 0 range_bool dummy private int x_ Safe bool idiom with Boost.SmartPtr. #include boost detail workaround.hpp..

C++: Safe to use longjmp and setjmp?

http://stackoverflow.com/questions/1376085/c-safe-to-use-longjmp-and-setjmp

Safe to use longjmp and setjmp Is it safe to use longjmp and setjmp..

Why is “operator bool()” invoked when I cast to “long”?

http://stackoverflow.com/questions/2145931/why-is-operator-bool-invoked-when-i-cast-to-long

You'd definitively benefit from reading about the Safe Bool Idiom . In general you didn't provide any other matchable..

What is the practical use of pointers to member functions?

http://stackoverflow.com/questions/3957348/what-is-the-practical-use-of-pointers-to-member-functions

extension and closed for modification OCP Also refer to Safe bool idiom which smartly uses pointer to members. share improve..

What is the meaning of “operator bool() const” in C++

http://stackoverflow.com/questions/4600295/what-is-the-meaning-of-operator-bool-const-in-c

why it is bad and for the solution to the problem see The Safe Bool Idiom. C 0x the forthcoming revision of the C Standard..

Multithreading reference?

http://stackoverflow.com/questions/601558/multithreading-reference

Richter ™s Power Threading Library Implementing a Thread Safe Queue using Condition Variables Threading Building Blocks.org..

return array from com object

http://stackoverflow.com/questions/6338879/return-array-from-com-object

returned by GetAlarms will vary. Does VBScrip support Safe Array c com vbscript share improve this question The declaration.. this STDMETHODIMP CMyClass GetAlarms SAFEARRAY pAlarms CComSafeArray VARIANT alarms 3 CComVariant value value L First Alarm..

Is stl vector concurrent read thread-safe?

http://stackoverflow.com/questions/7455982/is-stl-vector-concurrent-read-thread-safe

YES for the scenario you mention it is perfectly Thread Safe. Actually STL is not a correct way of referring it. It is the..

C++ Thread-Safe Map

http://stackoverflow.com/questions/820526/c-thread-safe-map

Thread Safe Map Does anyone know where I can find an implimentation that..

Safe in C# not in C++, simple return of pointer / reference,

http://stackoverflow.com/questions/8456335/safe-in-c-sharp-not-in-c-simple-return-of-pointer-reference

in C# not in C simple return of pointer reference Code c person..

Equivalent C++ to Python generator pattern

http://stackoverflow.com/questions/9059187/equivalent-c-to-python-generator-pattern

typedef ptrdiff_t difference_type PairSequence done false Safe Bool idiom operator BoolLike const return done nullptr PairSequence..