”@
c++ Programming Glossary: ieHow can I efficiently select a Standard Library container in C++11? http://stackoverflow.com/questions/10699265/how-can-i-efficiently-select-a-standard-library-container-in-c11 can I efficiently select a Standard Library container in C 11 There's a well.. a few thousands or more of items. There are two big categories of containers Associative containers they have a find operation.. . I will leave the adapters out here they are sufficiently specialized to be recognizable. Question 1 Associative If..
C and C++ : Partial initialization of automatic structure http://stackoverflow.com/questions/10828294/c-and-c-partial-initialization-of-automatic-structure whether it is has static storage see Storage Class Specifiers or not. If it is members with integral types are initialized.. being created at the same time when it is being created. ie in the same code statement. Example int array 10 0 1 2 3 4 5..
http://stackoverflow.com/questions/1120140/csv-parser-in-c this point it can really just be a comma delimited parser ie don't worry about escaping new lines and commas . The main need.. to try it. Is it overkill bloated or is it fast and efficient Does anyone have faster algorithms using STL or anything else..
http://stackoverflow.com/questions/1380371/what-are-the-most-widely-used-c-vector-matrix-math-linear-algebra-libraries-a most widely used C vector matrix math linear algebra libraries and their cost and benefit tradeoffs It seems that many projects.. are the commonly used matrix math linear algebra libraries out there and why would decide to use one over another Are.. rendering specific routines when compared to GMTL ie Euler angle definitions etc . IMSL Benefits Very complete numeric..
Compile time sizeof_array without using a macro http://stackoverflow.com/questions/1500363/compile-time-sizeof-array-without-using-a-macro not being able to get the size of an array at compile time ie I can't write enum ENUM N sizeof_array ARRAY or BOOST_STATIC_ASSERT..
How do I gaussian blur an image without using any in-built gaussian functions? http://stackoverflow.com/questions/1696113/how-do-i-gaussian-blur-an-image-without-using-any-in-built-gaussian-functions how this can easily be extended to large filter kernels ie 5x5 or 9x9 etc . The difference between a gaussian filter and.. a row and column. e.g for a filter defined arbitrarily as ie this isn't a gaussian but probably not far off 0.1 0.8 0.1 the.. 0.1 0.8 0.1 the first column would be the same but multiplied into the first item of the row above. 0.01 0.8 0.1 0.08 0.01..
Program only crashes as release build — how to debug? http://stackoverflow.com/questions/186237/program-only-crashes-as-release-build-how-to-debug launched from the command line. Through caveman debugging ie nasty printf messages all over the place I have determined the..
C++ templates Turing-complete? http://stackoverflow.com/questions/189172/c-templates-turing-complete meta programming that is really useful for others to use ie a library is really really tough though do able . To Help boost.. I use the term loosely using the templating facilities. You can read about his work here ' Enforcing Code Features..
Why not to use Turbo C++? [closed] http://stackoverflow.com/questions/1961828/why-not-to-use-turbo-c this question Turbo C is a real real old and an ancient compiler Actually there arent any arguments as such that you.. day programs The programs are more like console based ie I doubt if you can make real great programs using it.. Debugging.. real great programs using it.. Debugging is not as efficient as they are in other IDEs It does not conform with the standards..
Get the IP address of the machine http://stackoverflow.com/questions/212528/get-the-ip-address-of-the-machine you should also check the getifaddrs was successful ie returns 0 . I've updated it show IPv6 addresses too. #include..
Is there any advantage of using map over unordered_map in case of trivial keys? http://stackoverflow.com/questions/2196995/is-there-any-advantage-of-using-map-over-unordered-map-in-case-of-trivial-keys for most cases where I used map before because of the efficiency of lookup amortized O 1 vs. O log n . Most times I use a.. string I'm asking from a strictly programming point of view I know that it's not fully considered standard and that it.. that one of the correct answers might be it's more efficient for smaller sets of data because of a smaller overhead is..
http://stackoverflow.com/questions/2290509/debug-vs-ndebug disables standard C assertions. Use them when apropriate ie _DEBUG if you want your debugging code to be consistent with..
Remove comments from C/C++ code http://stackoverflow.com/questions/2394017/remove-comments-from-c-c-code from a C C source file without doing any preprocessing. ie I think you can use gcc E but this will expand macros. I just..
std::vector is so much slower than plain arrays? http://stackoverflow.com/questions/3664272/stdvector-is-so-much-slower-than-plain-arrays for this simple class but anything slightly more complex ie with pointers or members with pointers will cause problems...
http://stackoverflow.com/questions/437250/friend-scope-in-c scope in C If I have three classes A B C. A and B are friends.. scope in C If I have three classes A B C. A and B are friends bidirectionally . Also B and C are friends bidirectionally.. A and B are friends bidirectionally . Also B and C are friends bidirectionally . A has a pointer to B and B has a pointer..
What are the barriers to understanding pointers and what can be done to overcome them? http://stackoverflow.com/questions/5727/what-are-the-barriers-to-understanding-pointers-and-what-can-be-done-to-overcome are the barriers to understanding pointers and what can be done to overcome.. that the best analogy is to consider the pointer as a piece of paper with a house address on it and the memory block it.. and the example memory layouts are vastly simplified. There's more overhead and a lot more details you would need..
std::vector, default construction, C++11 and breaking changes http://stackoverflow.com/questions/5759232/stdvector-default-construction-c11-and-breaking-changes to have your opinion on. Consider the following garden variety shared body idiom class struct S S p_impl new impl private.. default constructed the n elements of the vector are copied from it. Now with C 11 there are rvalue references. So it cannot.. that std vector must have a constructor defined as above ie. with a default argument In particular is there a guarantee..
Implementing a no-op std::ostream http://stackoverflow.com/questions/760301/implementing-a-no-op-stdostream output to console file or to nowhere. For efficiency I would like to avoid the overhead of formatting messages.. of formatting messages that are going to be thrown away ie info messages when not running in a verbose mode . If I implement..
Are static members inherited? (C++) http://stackoverflow.com/questions/998247/are-static-members-inherited-c they static for the entire heirarchy or just that class ie class SomeClass public SomeClass total static int total class..
http://stackoverflow.com/questions/1522994/store-an-int-in-a-char-array if someone can give me code for doing this in a loop... IE writing like 8 ints into a 32 byte array. int har 0x01010101..
Google Geolocation API library http://stackoverflow.com/questions/1535619/google-geolocation-api-library my colleague got it working is using a gears plugin for IE and hosting the embedded IE window in our WPF app. This is a.. is using a gears plugin for IE and hosting the embedded IE window in our WPF app. This is a bit cumbersome and poorly re..
Is there an Non-Short circuited logical “and” in C++? http://stackoverflow.com/questions/1758608/is-there-an-non-short-circuited-logical-and-in-c they output log information about the state of the system IE bool Func1 int x int y if x y cout ERROR X Y endl bool Func2..
Add support to print & preview HTML in a dialog-based MFC app http://stackoverflow.com/questions/18926793/add-support-to-print-preview-html-in-a-dialog-based-mfc-app and print without using an HTML dialog or a custom IE print template . That in turn should allow to set custom printer.. but when queried for IDispatch it supports all the same __IE_ properties available via IDispatch Invoke __IE_TemplateUrl.. the same __IE_ properties available via IDispatch Invoke __IE_TemplateUrl VT_EMPTY __IE_ParentHWND VT_UINT __IE_HeaderString..
Is it a good practice to always use smart pointers? http://stackoverflow.com/questions/2454214/is-it-a-good-practice-to-always-use-smart-pointers situation in which you should not use a C class in fact. IE DLL boundary if you do not offer the source code to the client...
Good free FTP Client Library (for Windows C++ commercial apps)? [closed] http://stackoverflow.com/questions/259166/good-free-ftp-client-library-for-windows-c-commercial-apps years and it's buggy and horrible. The last straw is the IE8 beta 2 contains a new bug in InternetGetLastResponseInfo ... Wininet when our users can install the latest version of IE and break our app. I have looked at libcurl but it is way too..
Reading files larger than 4GB using c++ stl http://stackoverflow.com/questions/293672/reading-files-larger-than-4gb-using-c-stl greater than 4GB in size using std ifstream std ostream IE standard c EDIT Using the STL implementation from the VC 9 compiler..
Easiest way to convert int to string in C++ http://stackoverflow.com/questions/5590381/easiest-way-to-convert-int-to-string-in-c
Developing Internet Explorer Extensions? http://stackoverflow.com/questions/5643819/developing-internet-explorer-extensions is does anyone here have experience with in developing IE extensions that can share their knowledge This would include.. with how to get access to manipulate the DOM from within a IE extension. EDIT even more details Ideally I would like to plant.. What is the best way to persist information in an IE extension In Firefox Chrome Most modern browsers you use window.localStorage..
Undefined reference - C++ linker error http://stackoverflow.com/questions/1122938/undefined-reference-c-linker-error question Are you trying to implement a Singleton class Ie. You want only a single instance of of the class and you want..
C++11 reentrant class locking strategy http://stackoverflow.com/questions/13240015/c11-reentrant-class-locking-strategy in as LockType allowed to shared_lock_t or unique_lock_t . Ie template typename LockType typename std enable_if std is_same..
http://stackoverflow.com/questions/205522/opengl-subtexturing GL_UNPACK_ROW_LENGTH to 0 when you're finished with it. Ie glPixelStorei GL_UNPACK_ROW_LENGTH img_width char subimg char..
How to start developing with OpenGL and C++, what tools do I need to install on windows [closed] http://stackoverflow.com/questions/2254706/how-to-start-developing-with-opengl-and-c-what-tools-do-i-need-to-install-on here what tools should be installed to start this process. Ie IDE Compiler OpenGL download etc c windows opengl share improve..
list or container O(1)-ish insertion/deletion performance, with array semantics http://stackoverflow.com/questions/3071497/list-or-container-o1-ish-insertion-deletion-performance-with-array-semantics in the array without having to do an explicit resizing Ie if I delete container 0 then the container collapses so that..
C++: Dynamically loading classes from dlls http://stackoverflow.com/questions/431533/c-dynamically-loading-classes-from-dlls instancing the classes many of them do already by design Ie a sprite class is created by the main Graphics class eg Graphics..
In-Proc COM object sharing across another Process http://stackoverflow.com/questions/5425770/in-proc-com-object-sharing-across-another-process been instantiated in the process across another process Ie how do I obtain a pointer to the in proc object from proces..
Print Date and Time In Visual Studio C++ build? http://stackoverflow.com/questions/602936/print-date-and-time-in-visual-studio-c-build I print the date and time for the purposes of the build. Ie When the console for my application starts up I want to do this..
How to create a template function within a class? (C++) http://stackoverflow.com/questions/972152/how-to-create-a-template-function-within-a-class-c template and then make a function in that class a template Ie I have no idea if this is right this is just how I think it..
|