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Error: free(): invalid next size (fast):

...ng to allocate space for an array of pointers, such as char** my_array_of_strings; // or some array of pointers such as int** or even void** then you will need to consider word size (8 bytes in a 64-bit system, 4 bytes in a 32-bit system) when allocating space for n pointers. The size of a poin...
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When should I use File.separator and when File.pathSeparator?

In the File class there are two strings, separator and pathSeparator . 3 Answers ...
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What is the string length of a GUID?

... It depends on how you format the Guid: Guid.NewGuid().ToString() => 36 characters (Hyphenated) outputs: 12345678-1234-1234-1234-123456789abc Guid.NewGuid().ToString("D") => 36 characters (Hyphenated, same as ToString()) outputs: 12345678-1234-1234-1234-123456789abc Guid.New...
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Custom method names in ASP.NET Web API

...ontroller below: public class TestController : ApiController { public string Get() { return string.Empty; } public string Get(int id) { return string.Empty; } public string GetAll() { return string.Empty; } public void Post([FromBod...
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What are the advantages of using nullptr?

...pecified by C standard useless in many C++ expressions. For example: std::string * str = NULL; //Case 1 void (A::*ptrFunc) () = &A::doSomething; if (ptrFunc == NULL) {} //Case 2 If NULL was defined as (void *)0, neither of above expressions would work. Case 1: Will not com...
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How can I send an inner to the bottom of its parent ?

...t! Situation : I had to do the same thign only i was not able to add any extra divs, therefore i was stuck with what i had and rather than removing innerHTML and creating another via javascript almost like 2 renders i needed to have the content at the bottom (animated bar). Solution: Given how t...
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Types in Objective-C on iOS

...e: 32 bit process: NSLog(@"Primitive sizes:"); NSLog(@"The size of a char is: %d.", sizeof(char)); NSLog(@"The size of short is: %d.", sizeof(short)); NSLog(@"The size of int is: %d.", sizeof(int)); NSLog(@"The size of long is: %d.", sizeof(long)); NSLog(@"The size of long long is: %d....
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How I can I lazily read multiple JSON values from a file/stream in Python?

...lures return a ValueError, and you have to parse out the position from the string, e.g. def stream_read_json(fn): import json import re start_pos = 0 with open(fn, 'r') as f: while True: try: obj = json.load(f) yield obj ...
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What is the size of column of int(11) in mysql in bytes?

...ied as zerofill. Otherwise, it will just be displayed as number 1, without extra digits. @Gaurav - don't mix how mysql displays data and how it stores it, those are two different things. What you see is not what it really might be. – Michael J.V. Apr 12 '11 at ...
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What is the difference between memmove and memcpy?

... location pointed by the destination. (http://www.cplusplus.com/reference/cstring/memcpy/) Consider the following examples: #include <stdio.h> #include <string.h> int main (void) { char string [] = "stackoverflow"; char *first, *second; first = string; second = string...