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c++ Programming Glossary: manualCapturing stdout from a system() command optimally http://stackoverflow.com/questions/125828/capturing-stdout-from-a-system-command-optimally stdout share improve this question From the popen manual #include stdio.h FILE popen const char command const char type..
How much faster is C++ than C#? http://stackoverflow.com/questions/138361/how-much-faster-is-c-than-c collection should generally be as fast or faster as manual memory management and in many cases it is. You can generally..
Is there a working C++ refactoring tool? http://stackoverflow.com/questions/1388469/is-there-a-working-c-refactoring-tool large block of code usually is not done satisfying without manual modifications and therefore does not pay off. Visual Assist..
Is there a standard sign function (signum, sgn) in C/C++? http://stackoverflow.com/questions/1903954/is-there-a-standard-sign-function-signum-sgn-in-c-c when you have an unsigned type. It could be provided as a manual specialization when appropriate. Accurate Simple comparisons..
Where can I learn more about C++0x? [closed] http://stackoverflow.com/questions/200237/where-can-i-learn-more-about-c0x written a good book on the subject yet c c 0x reference manual share improve this question ISO C committee Bjarne Stroustrup..
http://stackoverflow.com/questions/205059/is-there-a-c-decompiler in debugging information. Prepare to spend a lot of manual labor reversing the code. If you didn't strip the binaries there..
http://stackoverflow.com/questions/2254909/boost-random-number-generator this question This code is adapted from the boost manual at http www.boost.org doc libs 1_42_0 libs random index.html..
What are the rules about using an underscore in a C++ identifier? http://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier official chapter and verse. This is from the GNU libtool manual listing reserved names. CesarB provided the following link to..
What is the difference between new/delete and malloc/free? http://stackoverflow.com/questions/240212/what-is-the-difference-between-new-delete-and-malloc-free the size required in bytes. Allocating array requires manual calculation of space. Reallocating larger chunk of memory simple..
How to make SIMPLE C++ Makefile? http://stackoverflow.com/questions/2481269/how-to-make-simple-c-makefile look like make dependency lines Other Reading GNU make manual Recursive Make Considered Harmful on a common way of writing..
Dynamically allocating an array of objects http://stackoverflow.com/questions/255612/dynamically-allocating-an-array-of-objects twist to the copy swap idium that you can Remove the manual copy made by passing the rhs by value thus providing an implicit..
http://stackoverflow.com/questions/3907028/opencv-process-every-frame above so it prints the current framerate and performs a manual grayscale conversion . They are small tweaks on the code and..
http://stackoverflow.com/questions/4340396/does-the-c-standard-mandate-poor-performance-for-iostreams-or-am-i-just-deali implementations of iostreams that are competitive with manual buffer management Benchmarks To get matters moving I've written..
http://stackoverflow.com/questions/475345/qt-tutorials documentation. In particular check out the Qt Designer manual here . Another useful page is their class reference here . Also..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c of the C declarator syntax is assumed. Note that the manual usage of new and delete as demonstrated below is extremely dangerous..
How to build Qt for Visual Studio 2010 http://stackoverflow.com/questions/5601950/how-to-build-qt-for-visual-studio-2010 paste it into the command line. Look in the Qt reference manual for what flag to use or not to use. configure.exe release no..
Compilers and argument order of evaluation in C++ http://stackoverflow.com/questions/621542/compilers-and-argument-order-of-evaluation-in-c to take a look at the Stack and Calling section of the GCC manual. Edit So long as we are splitting hairs My answer treats this..
Choice between vector::resize() and vector::reserve() http://stackoverflow.com/questions/7397768/choice-between-vectorresize-and-vectorreserve that in your case the correct answer is dont't preallocate manually. Just keep inserting the elements at the end as you need... as needed and will do it more efficiently than the manual way mentioned. The only case where reserve makes sense is when..
How to generate a stacktrace when my gcc C++ app crashes http://stackoverflow.com/questions/77005/how-to-generate-a-stacktrace-when-my-gcc-c-app-crashes segmentation fault. Documentation can be found in the libc manual . Here's an example program that installs a SIGSEGV handler..
how to achieve 4 FLOPs per cycle http://stackoverflow.com/questions/8389648/how-to-achieve-4-flops-per-cycle thanks Mackie Messer . The best I managed with gcc was to manually loop unroll and arrange additions and multiplications in groups.. 2600K. The key thing to note here is the massive amount of manual loop unrolling as well as interleaving of multiplies and adds.....
C and C++ : Partial initialization of automatic structure http://stackoverflow.com/questions/10828294/c-and-c-partial-initialization-of-automatic-structure to zero. Recently I read in the GNU C Reference Manual that If you do not initialize a structure variable the effect..
http://stackoverflow.com/questions/12135518/is-faster-than grouping is made together under the Optimization Reference Manual in Appendix C. Latency and Throughput. Latency The number of..
http://stackoverflow.com/questions/13608596/qt5-beta2-qt-creator-2-6-msvc-error-qt-creator-needs-a-compiler-set-up-to-bui detect Desktop QT5.0.0 beta2 MSVC2010 32bit SDK default Manual none Important thing here is there is no compiler selected When..
How to programatically unplug & replug an arbitrary USB device? http://stackoverflow.com/questions/138394/how-to-programatically-unplug-replug-an-arbitrary-usb-device USB device that's masquerading as a virtual com port. Manual replugging works but there may be up to 12 of these units. Is..
http://stackoverflow.com/questions/1452235/does-an-r-compiler-exist
How to make elements of vector unique? (remove non adjacent duplicates) http://stackoverflow.com/questions/1453333/how-to-make-elements-of-vector-unique-remove-non-adjacent-duplicates of std sort and std unique. But again same order problem. Manual duplicate elimination Define a temporary vector TempVector...
Best open XML parser for C++ [closed] http://stackoverflow.com/questions/170686/best-open-xml-parser-for-c per second. See Performance section in the Online Manual. Small memory footprint of the code and created DOM trees. A..
Manual for Cross-Compile a c++ application from linux to windows? http://stackoverflow.com/questions/182408/manual-for-cross-compile-a-c-application-from-linux-to-windows for Cross Compile a c application from linux to windows Just..
Java Runtime Performance Vs Native C / C++ Code? http://stackoverflow.com/questions/1984856/java-runtime-performance-vs-native-c-c-code lose some control over when to take the performance cost. Manual memory management ensures your thread won't ever be halted while..
C/C++ macro/template blackmagic to generate unique name http://stackoverflow.com/questions/2419650/c-c-macro-template-blackmagic-to-generate-unique-name glPushMatrix glTranslatef x y z ~GlTranslate glPopMatrix Manual solution GlTranslate foo 1.0 0.0 0.0 I had to give it a name..
C++ Pointer Objects vs. Non Pointer Objects [duplicate] http://stackoverflow.com/questions/2715198/c-pointer-objects-vs-non-pointer-objects to use dynamic storage include but probably not limited to Manual control of the objects lifetime the object will live until you..
How can I compare the performance of log() and fp division in C++? http://stackoverflow.com/questions/2858483/how-can-i-compare-the-performance-of-log-and-fp-division-in-c often be a good bit faster. 1 From the Intel Optimization Manual 2 Measured by calling log in a tight loop and using mach_absolute_time..
Which C++ signals/slots library should I choose? http://stackoverflow.com/questions/359928/which-c-signals-slots-library-should-i-choose of parameters. Signals can be connected to multiple slots. Manual disconnection of signal slot connection. Decent performance..
http://stackoverflow.com/questions/3907028/opencv-process-every-frame to store the processed image IplImage gray_frame 0 Manual grayscale conversion ugly but shows how to access each channel..
'Head First' Style Data Structures & Algorithms Book? [closed] http://stackoverflow.com/questions/455627/head-first-style-data-structures-algorithms-book graph share improve this question The Algorithm Design Manual by Steve Skiena isn't exactly a barrel of laughs but it's relatively..
Atomicity in C++ : Myth or Reality http://stackoverflow.com/questions/5002046/atomicity-in-c-myth-or-reality The Intel® 64 and IA 32 Architectures Software Developer ™s Manual Volume 3A http www.intel.com Assets PDF manual 253668.pdf section..
Performance of built-in types : char vs short vs int vs. float vs. double http://stackoverflow.com/questions/5069489/performance-of-built-in-types-char-vs-short-vs-int-vs-float-vs-double Intel® 64 and IA 32 Architectures Optimization Reference Manual PDF download link is part way down the page covers a lot of..
Is C# really slower than say C++? http://stackoverflow.com/questions/5326269/is-c-sharp-really-slower-than-say-c considerably lower overhead than most other forms of GC. Manual memory management is often just as poorly understood. Just for..
http://stackoverflow.com/questions/661338/sse-sse2-and-sse3-for-gnu-c with the contents of Intel's Optimization Reference Manual is a good idea see section 4.3.1.2 for an example of intrinsics..
What is “Clean C” and how does it differ from standard C? [closed] http://stackoverflow.com/questions/9694776/what-is-clean-c-and-how-does-it-differ-from-standard-c C is a term coined in Harbison Steele book C A Reference Manual Prentice Hall . A program is said to be written in Clean C if..
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