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c++ Programming Glossary: integerC++ convert hex string to signed integer http://stackoverflow.com/questions/1070497/c-convert-hex-string-to-signed-integer convert hex string to signed integer I want to convert a hex string to a 32 bit signed integer in.. integer I want to convert a hex string to a 32 bit signed integer in C . So for example I have the hex string fffefffe . The binary.. of this is 11111111111111101111111111111110. The signed integer representation of this is 65538. How do I do this conversion..
What is the difference between NULL, '\0' and 0 http://stackoverflow.com/questions/1296843/what-is-the-difference-between-null-0-and-0 null share improve this question Null Pointers The integer constant literal 0 has different meanings depending upon the.. context in which it's used. In all cases it is still an integer constant with the value 0 it is just described in different.. thing. Additionally ' 0' is like all character literals an integer constant in this case with the value zero. So ' 0' is completely..
http://stackoverflow.com/questions/162941/why-use-pointers if you accidentally try and print a variable of the type integer instead of a char pointer with the s formatter char a Hello..
How to parse a string to an int in C++? http://stackoverflow.com/questions/194465/how-to-parse-a-string-to-an-int-in-c noted by Dan they will happily convert the string 11x to integer 11 . See more http en.cppreference.com w cpp string basic_string..
Best way to detect integer overflow in C/C++ http://stackoverflow.com/questions/199333/best-way-to-detect-integer-overflow-in-c-c way to detect integer overflow in C C I was writing a program in C to find all solutions.. spurious solutions can be generated when a b overflows the integer limit. I ended up checking for this using code like unsigned.. but I've never seen it accessed through C or C . c c integer overflow share improve this question There is a way to determine..
Reading from text file until EOF repeats last line http://stackoverflow.com/questions/21647/reading-from-text-file-until-eof-repeats-last-line line The following C code uses a ifstream object to read integers from a text file which has one number per line until it hits.. number per line until it hits EOF . Why does it read the integer on the last line twice How to fix this Code #include iostream.. std int main ifstream iFile input.txt input.txt has integers one per line while iFile.eof int x iFile x cerr x endl return..
What are all the common undefined behaviour that a C++ programmer should know about? [closed] http://stackoverflow.com/questions/367633/what-are-all-the-common-undefined-behaviour-that-a-c-programmer-should-know-ab that object stack heap overflow Integer Overflows Signed integer overflow Evaluating an expression that is not mathematically..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c the pointer to the first element only points to a single integer depicted as a small box whereas the pointer to the entire array.. the pointer to the entire array points to an array of 8 integers depicted as a large box . The same situation arises in classes.. int 8 are essential int 8 is a pointer to an array of 8 integers. int 8 is an array of 8 pointers each element of type int ...
How to convert a number to string and vice versa in C++ http://stackoverflow.com/questions/5290089/how-to-convert-a-number-to-string-and-vice-versa-in-c week this FAQ might help a lot of users. How to convert an integer to a string in C how to convert a string into an integer in.. integer to a string in C how to convert a string into an integer in C how to convert a floating point number to a string in C.. option inherited from C is the functions atoi for integers alphabetical to integer and atof for floating point values..
Set all bytes of int to (unsigned char)0, guaranteed to represent zero? http://stackoverflow.com/questions/11138188/set-all-bytes-of-int-to-unsigned-char0-guaranteed-to-represent-zero occur as part of any other multibyte character. 6.2.6.2 1 Integer types The values of any padding bits are unspeciļ¬ed. 45 A valid..
Very poor boost::lexical_cast performance http://stackoverflow.com/questions/1250795/very-poor-boostlexical-cast-performance java 1.6 and python 2.6.2 I see the following results. Integer casting c std string s for int i 0 i 10000000 i s boost lexical_cast.. i java String s new String for int i 0 i 10000000 i s new Integer i .toString python for i in xrange 1 10000000 s str i The times.. your user defined integer. I'm talking about strict Java Integer and strict Java String. In Python you are more or less doing..
Automatically stop Visual C++ 2008 build at first compile error? http://stackoverflow.com/questions/134796/automatically-stop-visual-c-2008-build-at-first-compile-error pPane.TextDocument.Selection.EndOfDocument Dim found As Integer Context.IndexOf error If found 0 Then DTE.ExecuteCommand Build.Cancel..
http://stackoverflow.com/questions/148373/restrict-template-function int_values.push_back 2 int_values.push_back 3 cout Integer sum int_values endl vector double double_values double_values.push_back..
C: Where is union practically used? http://stackoverflow.com/questions/1951269/c-where-is-union-practically-used ptr printf I am a switch ptr dataType case INTEGER printf Integer with value d ptr value v_int break case FLOAT_POINT printf Float..
“Step over” when debugging multithreaded programs in Visual Studio http://stackoverflow.com/questions/336628/step-over-when-debugging-multithreaded-programs-in-visual-studio Breakpoints.Add Dim FileName As String Dim LineNumber As Integer Dim ThreadID As String ' Get local references for ease of use.. Breakpoints.Add Dim FileName As String Dim LineNumber As Integer Dim ThreadID As String ' Get local references for ease of use..
What are all the common undefined behaviour that a C++ programmer should know about? [closed] http://stackoverflow.com/questions/367633/what-are-all-the-common-undefined-behaviour-that-a-c-programmer-should-know-ab or beyond the size of that object stack heap overflow Integer Overflows Signed integer overflow Evaluating an expression that..
Split an Integer into its digits c++ http://stackoverflow.com/questions/4207696/split-an-integer-into-its-digits-c an Integer into its digits c I'm trying to learn c on my own and I've.. cstdlib #include iostream #include math.h int countDigitsInInteger int n int count 0 while n 0 count n n 10 return count using.. positive if number 0 number number intLength countDigitsInInteger number break apart the integer into digits while number 0 ..
Catching exception: divide by zero http://stackoverflow.com/questions/6121623/catching-exception-divide-by-zero You need to check it yourself and throw an exception. Integer divide by zero is not an exception in standard C . Neither is.. the following program #include iostream #include stdexcept Integer division catching divide by zero. inline int intDivEx int numerator.. by zero case. The equivalent is almost exactly the same Integer remainder catching divide by zero. inline int intModEx int numerator..
Is 0 a decimal literal or an octal literal? http://stackoverflow.com/questions/6895522/is-0-a-decimal-literal-or-an-octal-literal 0 is an Octal literal in C . As per the C Standard 2.14.2 Integer literals lex.icon integer literal decimal literal integer suffixopt..
Compile a DLL in C/C++, then call it from another program http://stackoverflow.com/questions/847396/compile-a-dll-in-c-c-then-call-it-from-another-program Public Declare Function add2 Lib C c dll mydll.dll num As Integer As Integer then I just called add2 text1.text from a form but.. Function add2 Lib C c dll mydll.dll num As Integer As Integer then I just called add2 text1.text from a form but it gave me.. Declare Function add2 Lib C c dll mydll _ ByVal num As Integer As Integer I learned not to forget to specify ByVal or ByRef..
Huge Integer JavaScript Library http://stackoverflow.com/questions/964139/huge-integer-javascript-library Integer JavaScript Library Is there any JavaScript library that can.. It's made specifically for cryptographic uses. My own BigInteger library . Similar to the Java BigInteger class but all calculations.. uses. My own BigInteger library . Similar to the Java BigInteger class but all calculations are done in base 10. jsbn . Another..
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