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c++ Programming Glossary: enterWhy 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 sorted roughly the first half of the iterations will not enter the if statement. After that they will all enter the if statement... will not enter the if statement. After that they will all enter the if statement. This is very friendly to the branch predictor..
Handling large numbers in C++? http://stackoverflow.com/questions/117429/handling-large-numbers-in-c this question It sounds like you're looking for a way to enter Arbitrary Precision numbers. here are two libraries you could..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom the copy is made we are ready to swap. Observe that upon entering the function that all the new data is already allocated copied.. us a strong exception guarantee for free we won't even enter the function if construction of the copy fails and it's therefore..
How do I best handle dynamic multi-dimensional arrays in C/C++? http://stackoverflow.com/questions/365782/how-do-i-best-handle-dynamic-multi-dimensional-arrays-in-c-c constant saying it's 3 dimensions Multi Array test Please enter the size of the dimension 0 4 Please enter the size of the dimension.. test Please enter the size of the dimension 0 4 Please enter the size of the dimension 1 6 Please enter the size of the dimension.. 0 4 Please enter the size of the dimension 1 6 Please enter the size of the dimension 2 2 Text matrix with 3 dimensions..
C/C++: Capture characters from standard input without waiting for enter to be pressed http://stackoverflow.com/questions/421860/c-c-capture-characters-from-standard-input-without-waiting-for-enter-to-be-pr Capture characters from standard input without waiting for enter to be pressed I can never remember how I do this because it.. from standard input without waiting for a newline press enter . Also ideally it wouldn't echo the input character to the screen... _getch to give you a character without waiting for the enter key. I'm not a frequent windows developer but i've seen my classmates..
How to build Qt for Visual Studio 2010 http://stackoverflow.com/questions/5601950/how-to-build-qt-for-visual-studio-2010 DOS way which means you have to change drive letter by E enter directories by cd Qt and list dir contents by dir . You can..
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 Nor is there a mysterious force that prevents you from entering a room with a stolen key. The hotel management is not required.. stuff behind they'll shred it for you. If you illegally re enter your room with a stolen key to get it back the hotel security.. Local variables follow the latter pattern when a method is entered its local variables come alive. When that method calls another..
http://stackoverflow.com/questions/6642865/getline-not-asking-for-input getline . The problem is when you use operator the user enters their data then presses the enter key which puts a newline.. use operator the user enters their data then presses the enter key which puts a newline character into the input buffer. Since..
Why does integer overflow on x86 with GCC cause an infinite loop? http://stackoverflow.com/questions/7682477/why-does-integer-overflow-on-x86-with-gcc-cause-an-infinite-loop goes into infinite loop. i 1 This seems okay. It does not enter infinite loop. Here's all the relevant version information ~..
I don't want my Excel Add-In to return an array (instead I need a UDF to change other cells) http://stackoverflow.com/questions/8520732/i-dont-want-my-excel-add-in-to-return-an-array-instead-i-need-a-udf-to-change there are going to be 3 dates in that time select 3 cells enter my formula in the top cell and then hit Ctrl Shift Enter to..
How to create a DLL with SWIG from Visual Studio 2010 http://stackoverflow.com/questions/11693047/how-to-create-a-dll-with-swig-from-visual-studio-2010 Code... Select Visual C project type and click Next. Enter project file location where the .cpp .h .i files are. For Project.. Tool in Properties it will appear after Apply above . Enter Command Line of swig c python outdir Outdir Identity this assumes..
Difference between string and char[] types in C++ http://stackoverflow.com/questions/1287306/difference-between-string-and-char-types-in-c using namespace std int main char name 256 title 256 cout Enter your name cin.getline name 256 cout Enter your favourite movie.. title 256 cout Enter your name cin.getline name 256 cout Enter your favourite movie cin.getline title 256 cout name 's favourite..
http://stackoverflow.com/questions/1413445/read-a-password-from-stdcin is the code that I'm currently using string passwd cout Enter the password getline cin passwd Edit I'm looking for a OS agnostic..
http://stackoverflow.com/questions/1744665/need-help-with-getline and I do int number string str int accountNumber cout Enter number cin number cout Enter name getline cin str cout Enter.. str int accountNumber cout Enter number cin number cout Enter name getline cin str cout Enter account number cin accountNumber.. number cin number cout Enter name getline cin str cout Enter account number cin accountNumber Why after inputting the first..
Calculate the factorial of an arbitrarily large number, showing all the digits http://stackoverflow.com/questions/1966077/calculate-the-factorial-of-an-arbitrarily-large-number-showing-all-the-digits memset arr 0 max sizeof int arr max 1 1 int num std cout Enter the number std cin num std cout factorial of num is n factorial..
Automatically adding Enter/Exit Function Logs to a Project http://stackoverflow.com/questions/2281739/automatically-adding-enter-exit-function-logs-to-a-project adding Enter Exit Function Logs to a Project I have a 3rd party source code.. are called but I don't want to waste my time typing printf Entered into s __FUNCTION__ and printf Exited from s __FUNCTION__..
“Step over” when debugging multithreaded programs in Visual Studio http://stackoverflow.com/questions/336628/step-over-when-debugging-multithreaded-programs-in-visual-studio would guess is usually the first thread that gets there . Enter TID into the watch window. Add a break point with the condition..
Why would we call cin.clear() and cin.ignore() after reading input? http://stackoverflow.com/questions/5131647/why-would-we-call-cin-clear-and-cin-ignore-after-reading-input iostream using namespace std int main int input_var 0 Enter the do while loop and stay there until either a non numeric.. that cin will accept any integer 4 40 400 etc. do cout Enter a number 1 quit The following line accepts input from the keyboard..
How to remove characters from a string http://stackoverflow.com/questions/5891610/how-to-remove-characters-from-a-string For example I have a user input a phone number. cout Enter phone number INPUT 555 555 5555 cin phone I want to remove the..
Program is generating same random numbers on each run? http://stackoverflow.com/questions/7592129/program-is-generating-same-random-numbers-on-each-run r l .getFill MINE cout r l MINE. endl while gameOver cout Enter coordinates x y scanf i i x y if grid x y .getFill MINE gameOver..
I don't want my Excel Add-In to return an array (instead I need a UDF to change other cells) http://stackoverflow.com/questions/8520732/i-dont-want-my-excel-add-in-to-return-an-array-instead-i-need-a-udf-to-change enter my formula in the top cell and then hit Ctrl Shift Enter to fill out the array. I use XLW version 5 to convert my C code..
CreateFile: direct write operation to raw disk “Access is denied” - Vista, Win7 http://stackoverflow.com/questions/8694713/createfile-direct-write-operation-to-raw-disk-access-is-denied-vista-win7 from an Administrator cmd started with Ctrl Shift Enter Administrator is in the window title properly elevated . Still..
http://stackoverflow.com/questions/10865957/c-printf-with-stdstring int main using namespace std string myString Press ENTER to quit program cout Come up and C me some time. endl printf.. int main using namespace std string myString Press ENTER to quit program cout Come up and C me some time. endl printf..
implementing merge sort in C++ http://stackoverflow.com/questions/12030683/implementing-merge-sort-in-c Enter THE NUMBER OF ELEMENTS you want to sort THEN PRESS ENTER endl cin num cout endl cout Now Please Enter the num numbers.. cout Now Please Enter the num numbers ELEMENTS THEN PRESS ENTER endl for i 1 i num i cin a i merge_sort 1 num cout endl cout..
The efficient way to write move copy and move assignment constructors http://stackoverflow.com/questions/12651063/the-efficient-way-to-write-move-copy-and-move-assignment-constructors w1 1 Widget w2 std move Widget 2 w1 std move w2 cout ENTER endl cin.get return 0 c constructor c 11 variable assignment..
Why does std::regex_iterator cause a stack overflow with this data? http://stackoverflow.com/questions/12828079/why-does-stdregex-iterator-cause-a-stack-overflow-with-this-data L4 T15356 79726859 CEMRegistryValueAction ClearRevertData ENTER n int wmain int argc wchar_t argv static wregex rgx_log_lines..
How to simulate “Press any key to continue?” http://stackoverflow.com/questions/1449324/how-to-simulate-press-any-key-to-continue to next line when i input some character and then press ENTER. OR If I use this cin.get or cin.get c it move to next line..
emacs completions or IntelliSense the same as on Visual Studio http://stackoverflow.com/questions/1644490/emacs-completions-or-intellisense-the-same-as-on-visual-studio Now when you are typing a variable and press CTRL SHIFT ENTER a menu of selections will come up with suggestions. Further..
Trying to close OpenCV window has no effect http://stackoverflow.com/questions/7139968/trying-to-close-opencv-window-has-no-effect is closed cout The window should be closed now. Press ENTER to continue. endl string line getline cin line cout Exiting.....
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