Search Results

Search found 7500 results on 300 pages for 'const char'.

Page 6/300 | < Previous Page | 2 3 4 5 6 7 8 9 10 11 12 13  | Next Page >

• Char * reallocation in C++

  - by JTom

  Hi, I need to store a certain amount of data in the "char *" in C++, because I want to avoid std::string to run out of memory, when exceeding max_size(). But the data comes in data blocks from the network so I need to use reallocation every time I get the data block. Is there any elegant solution for char * reallocation and concatenation in C++?

  Read the article

• Deleting dynamic array of char in C++.

  - by anonymous

  I have this class, with the atribute 'word' class Node { char *word; Inside the Node constructor, I do this asignation: word = new char[strlen(someword)]; In the destructor of the Node class, I try to delete the contents pointed by word: delete []word; I obtain the next message after executing the programs: "Heap block at 003E4F48…

  Read the article

• Memory leak dyld dlopen

  - by imthi

  I am getting leak and I cannot detect from where this is happening. The stack trace does not give full info after dyld open. For few leaks I am not getting any stack trace info. All I get is only object memory address. Is anyone else facing the same issue. I am using XCode 3.2 on show leopard. 18 0x103038 17 0x1033c7 16 0x1034a1 15 0x90145f48…

  Read the article

• static, define, and const in C

  - by yCalleecharan

  Hi, I've read that static variables are used inside function when one doesn't want the variable value to change/initialize each time the function is called. But what about defining a variable static in the main program before "main" e.g. #include <stdio.h> static double m = 30000; int main(void) { value = m * 2 + 3; } Here the variable…

  Read the article

• int vs const int&

  - by Valdo

  I've noticed that I usually use constant references as return values or arguments. I think the reason is that it works almost the same as using non-reference in the code. But it definitely takes more space and function declarations become longer. I'm OK with such code but I think some people my find it a bad programming style. What do you think?…

  Read the article

• uint8_t and unsigned char linking error

  - by mnn

  I'm using template function: template<typename T> void func(const T& value) { obj->func(value); } where obj is object of class: void my_object::func(int64_t value) { ... } void my_object::func(uint64_t value) { ... } void my_object::func(uint32_t value) { ... } void my_object::func(uint16_t value) { ... } void…

  Read the article

• C/C++ enum and char * array

  - by Eric M

  Ran accross the following code in an article and didn't think it was standard C/C++ syntax for the char* array. As a test, both Visual C++ (visual studio 2005) and C++ Builder Rad XE both reject the 2nd line. Without using #defines, anyone have any tricks/tips for keeping enums and a string array sort of in sync without…

  Read the article

• Casting an NSString* to char?

  - by james.ingham

  How can I cast a NSString* into a char?

  Read the article

• Java, JavaCC: How to check if a char (or char pair) is inside a given UTF32 range?

  - by java.is.for.desktop

  Hello, everyone! I am referring to the XML 1.1 spec. Look at the definition of NameStartChar: NameStartChar ::= ":" | [A-Z] | "_" | [a-z] | [#xC0-#xD6] | [#xD8-#xF6] | [#xF8-#x2FF] | [#x370-#x37D] | [#x37F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] |…

  Read the article

• Convert 2 char into 1 int

  - by Leo

  I have 2 chars: HIGH and LOW and I'd like to convert them to an int corresponding to HIGH + the 2 left bits from LOW. I tried somethine like : char *HIGH; char *LOW; HIGH = 152; LOW = 12; int result; result += (LOW + 6); result += (LOW + 7)*2; result += HIGH*4; result += (HIGH + 1)*8; result += (HIGH +…

  Read the article

• Best way to handle storing (possibly NULL) char * in a std::string

  - by John

  class MyClass { public: void setVar(const char *str); private: std::string mStr; int maxLength; //we only store string up to this length }; What's the best approach to implement setVar when the external code is quite likely to pass in NULL for an empty string (and cannot be changed)? I…

  Read the article

• C equivalent of C++ delete[] (char *)

  - by inquam

  What is the C equivalent of C++ delete[] (char *) foo->bar;

  Read the article

• char.IsLetterOrDigit equivalent in php

  - by stacker

  What's the equivelent of char.IsLetterOrDigit() in php 5?

  Read the article

• Why isn't the compiler smarter in this const function overloading problem?

  - by Frank

  The following code does not compile: #include <iostream> class Foo { std::string s; public: const std::string& GetString() const { return s; } std::string* GetString() { return &s; } }; int main(int argc, char** argv){ Foo foo; const std::string& s =…

  Read the article

• C++ new line not translating

  - by m3n

  First off, I'm a complete beginner at C++. I'm coding something using an API, and would like to pass text containing new lines to it, and have it print out the new lines at the other end. If I hardcode whatever I want it to print out, like so printInApp("Hello\nWorld"); it…

  Read the article

• Convert Unicode char to closest (most similar) char in ASCII (.net)

  - by Andrey

  Hi all! Do you have any idea how to covert different Unicode characters to their closest ASCII equivalents? Like Ä - A. A googled but didn't find any suitable solution. Trick Encoding.ASCII.GetBytes("Ä")[0] didn't work. (Result was ?). I found that there is class Encoder that…

  Read the article

• easy c question: compare first char of a char array

  - by nunos

  How can I compare the first letter of the first element of a *char[]? I have done if (foo[0][0] == 'c') but that gives a segmentation fault

  Read the article

• DLL Exports: not all my functions are exported

  - by carmellose

  I'm trying to create a Windows DLL which exports a number of functions, howver all my functions are exported but one !! I can't figure it out. The macro I use is this simple one : __declspec(dllexport) void myfunction(); It works for all my functions except one. I've…

  Read the article

• Non ASCII char in PHP?

  - by domagoj412

  Hello, I am trying to send something to serial port (r232) with PHP. I am using this class: http://www.phpclasses.org/browse/package/3679.html The problem is that I am allowed to send only 1 byte. But if I send something like "1", I am actually sending 49 (ASCII for 1).…

  Read the article

• How do char arrays work in C?

  - by eSKay

  #include<stdio.h> int main() { char a[5]="hello"; puts(a); //prints hello } Why does the code compile correctly? We need six places to store "hello", correct?

  Read the article

• Possible loss of precision; extracting char from string

  - by Troy

  I am getting a string from the user and then doing some checking to make sure it is valid, here is the code I have been using; char digit= userInput.charAt(0) - '0'; This had been working fine until I did some work on another method, I went to compile and have been…

  Read the article

• Replace CHAR with VARCHAR2

  - by Aaron Digulla

  How can I replace CHAR with VARCHAR2 in all tables in a schema? Note: I'm content with a query that returns the ALTER TABLE statements so I can save the script and run it again.

  Read the article

• Hsqldb - how to remove the padding on char fields

  - by Dan

  I'm finding that Char fields are being padded. Is there any way to stop this happening. I've tried using the property SET PROPERTY "sql.enforce_strict_size" FALSE but doesn't seem to help.

  Read the article

• A few questions about char pointers.

  - by m4design

  1- How does this work: char *ptr = "hi"; Now the compiler will put this string in the memory (I'm guessing the stack), and create a pointer to it? Is this is how it works? 2- Also if it is created locally in a function, when the function returns will the memory…

  Read the article

• Scanner method to get a char

  - by bizarrechaos

  What is the Scanner method to get a char returned by the keyboard in Java. like nextLine() for String, nextInt() for int, etc.

  Read the article

< Previous Page | 2 3 4 5 6 7 8 9 10 11 12 13  | Next Page >