c++ Programming Glossary: better
Why is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array So they take forever to start up and slow down. Is there a better way You guess which direction the train will go If you guessed.. So they take forever to warm up and slow down . Is there a better way You guess which direction the branch will go If you guessed.. Thus there will probably be around 50 misprediction. no better than random guessing data 226 185 125 158 198 144 217 79 202..
Why isn't sizeof for a struct equal to the sum of sizeof of each member? http://stackoverflow.com/questions/119123/why-isnt-sizeof-for-a-struct-equal-to-the-sum-of-sizeof-of-each-member a structure so that data members are optimally aligned for better performance. Many processors perform best when fundamental data..
Do-While and if-else statements in C/C++ macros http://stackoverflow.com/questions/154136/do-while-and-if-else-statements-in-c-c-macros probably should be argued at this point that it would be better to declare BAR as an actual function not a macro. In summary..
What is the equivalent of the C++ Pair<L,R> in Java? http://stackoverflow.com/questions/156275/what-is-the-equivalent-of-the-c-pairl-r-in-java two values how do you know what first and second mean . A better practice is to write a very simple class like the one Mike proposed.. its meaning in its name. To sum up in my opinion it is better to have a class Position x y a class Range begin end and a class..
Best way to detect integer overflow in C/C++ http://stackoverflow.com/questions/199333/best-way-to-detect-integer-overflow-in-c-c has been an overflow else c c_test No overflow Is there a better way of testing for overflow I know that some chips have an internal..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom so most of the time this check is a waste. It would be better if the operator could work properly without it. The second is..
What are rvalues, lvalues, xvalues, glvalues, and prvalues? http://stackoverflow.com/questions/3601602/what-are-rvalues-lvalues-xvalues-glvalues-and-prvalues not if we wish to forfeit the new features. But to allow better optimization we should probably embrace them. Quoting n3055..
What can I use to profile C++ code in Linux? http://stackoverflow.com/questions/375913/what-can-i-use-to-profile-c-code-in-linux when actually it works on any program and it seems to work better on bigger programs because they tend to have more problems to..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points and convoluted expressions like a i i to make myself feel better. Why should I stop using them If you've read this be sure to..
Operator overloading http://stackoverflow.com/questions/4421706/operator-overloading needs to use data which is expensive to copy it is better to store that data elsewhere and have the function object refer.. you'd have to change code when changing a type so it is better to make a habit of always using prefix increment unless postfix..
Are global variables bad? http://stackoverflow.com/questions/484635/are-global-variables-bad different functions as needed. That way you stand a much better chance of understanding what each function does as you don't..
What's this STL vs. “C++ Standard Library” fight all about? [closed] http://stackoverflow.com/questions/5205491/whats-this-stl-vs-c-standard-library-fight-all-about to change things even if it's supposed to be for the better. We may just be stuck with double meanings forever. Conclusion.. to. Anyway I hope this helps to explain the battle a bit better. Update 13 04 2011 Here are three perfect examples of someone..
size of int, long, etc http://stackoverflow.com/questions/589575/size-of-int-long-etc be found in limits.h header in C or climits in C or even better templated std numeric_limits in limits header . For example..
Singleton: How should it be used http://stackoverflow.com/questions/86582/singleton-how-should-it-be-used day long How to create the best singleton The smaller the better. I am a minimalist Make sure it is thread safe Make sure it..
What is the difference between char a[] = “string”; and char *p = “string”; http://stackoverflow.com/questions/9460260/what-is-the-difference-between-char-a-string-and-char-p-string and char p string The title has been modified to yield better search results when users search using google or otherwise...
Why aren't exceptions in C++ checked by the compiler? http://stackoverflow.com/questions/1037575/why-arent-exceptions-in-c-checked-by-the-compiler
How to pass variable number of arguments to printf/sprintf http://stackoverflow.com/questions/1056411/how-to-pass-variable-number-of-arguments-to-printf-sprintf into problems if dest ends up containing formatting codes. Better would be printf s dest . But even better still would be using..
Number of tuples http://stackoverflow.com/questions/13216041/number-of-tuples k H. 1 T 100 1 N 1000 1 L H 1000000 1 a i 1000000 PS Need Better Solution than N2logn c c algorithm share improve this question..
Difference between std::system_clock and std::steady_clock? http://stackoverflow.com/questions/13263277/difference-between-stdsystem-clock-and-stdsteady-clock independent of other processes running on the same CPU . Better yet get your hands on a real profiler and use that. share improve..
C++ Vector of Pointers to Objects http://stackoverflow.com/questions/1361139/c-vector-of-pointers-to-objects reason why deallocation needs to be done automatically. Better would be if the pointers deleted themselves. Theses are called..
Marshal C++ “string” class in C# P/Invoke http://stackoverflow.com/questions/158628/marshal-c-string-class-in-c-sharp-p-invoke string class. I doubt that will be easy to Marshal. Better to stick with a char and Marshal as StringBuilder. That's what..
C++ - Arguments for Exceptions over Return Codes http://stackoverflow.com/questions/1849490/c-arguments-for-exceptions-over-return-codes to return FAIL it can take a very long time to track down. Better information from the message contained in the error. It was..
is const (c++) optional? http://stackoverflow.com/questions/2477461/is-const-c-optional a useful feature just because you make a mistake sometimes Better try and learn to avoid mistakes with const and you benefit from..
Order of evaluation in C++ function parameters http://stackoverflow.com/questions/2934904/order-of-evaluation-in-c-function-parameters Language 3rd edition section 6.2.2 with some reasoning Better code can be generated in the absence of restrictions on expression..
Virtual functions and performance - C++ http://stackoverflow.com/questions/449827/virtual-functions-and-performance-c to affect the overall performance of your application. Better places to look for performance improvements are in algorithms..
struct padding in c++ http://stackoverflow.com/questions/5397447/struct-padding-in-c quoting from his book Essential COM chapter COM As A Better C C and Portability Once the decision is made to distribute..
C++ Read Lines from File http://stackoverflow.com/questions/551082/c-read-lines-from-file calls something like this cout static_cast void file Better solution I've explained a simple working solution above. However..
C++ on Small-Footprint Microcontrollers http://stackoverflow.com/questions/5710942/c-on-small-footprint-microcontrollers has run a number of articles on the subject over the years Better even at the lowest levels Dan Saks Embedded C Yields Faster..
Building boost::options from a string/boost::any map http://stackoverflow.com/questions/6122094/building-boostoptions-from-a-string-boostany-map you want to support but this is a maintenance nightmare. Better would be to expand upon the idea boost any uses. Unfortunately..
Resolve circular dependencies in c++ http://stackoverflow.com/questions/625799/resolve-circular-dependencies-in-c it I hope this is not against the rules of stackoverflow . Better solutions are of course welcome. A.h class B class A int _val..
Base pointer to array of derived objects http://stackoverflow.com/questions/7197677/base-pointer-to-array-of-derived-objects it lead to ill formed program or undefined behaviour edit Better wording c standards share improve this question If you..
What is the best approach for a Java developer to learn C++ [closed] http://stackoverflow.com/questions/789659/what-is-the-best-approach-for-a-java-developer-to-learn-c of C are explained by the desire for C to be a Better C with C's basic expression syntax. You should get Stroustrup..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python disable would be greatly appreciated by posterity. Edit 5 Better Solution As suggested by Gandalf The Gray below gets is even..
ACE vs Boost vs POCO http://stackoverflow.com/questions/992069/ace-vs-boost-vs-poco for my situation. The good things about POCO IMO Better thread library especially a Active Method implementation. I..
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