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Why is unsigned integer overflow defined behavior but signed integer overflow isn't?
... "no architectures ... using anything other than 2's complement ..." today includes the gamut of DSPs and embedded processors?
– chux - Reinstate Monica
Aug 12 '13 at 20:27
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Should we pass a shared_ptr by reference or by value?
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+1 for including widget* and widget& as possibilities. Just to elaborate, passing widget* or widget& is probably the best option when the function is not examining/modifying the pointer object itself. The interface is more g...
How to delete an old/unused Data Model Version in Xcode
How can I delete an old Data Model in Xcode? The option is disabled on the menu. (The models I want to delete have not been released to the public - they are interim development models.)
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std::string formatting like sprintf
... do exactly that. It uses replacement fields similar to those in python:
#include <iostream>
#include <format>
int main() {
std::cout << std::format("Hello {}!\n", "world");
}
Check out the full documentation! It's a huge quality-of-life improvement.
C++11
With C++11s s...
Does PNG contain EXIF data like JPG?
...code" described in 4.7.2(C), i.e., "Exif", NULL, and padding byte, are not included.
Note that this is both A) only a few months old (as of writing) and B) an optional extension, not part of the basic specification. Therefore, support for the eXIf chunk might be limited in many applications.
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source command not found in sh shell
...error in the line that uses the source command. It seems source is not included in my sh shell.
12 Answers
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How to install ia32-libs in Ubuntu 14.04 LTS (Trusty Tahr)
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What does “static” mean in C?
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(1) is the more foreign topic if you're a newbie, so here's an example:
#include <stdio.h>
void foo()
{
int a = 10;
static int sa = 10;
a += 5;
sa += 5;
printf("a = %d, sa = %d\n", a, sa);
}
int main()
{
int i;
for (i = 0; i < 10; ++i)
foo();
}
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Why Response.Redirect causes System.Threading.ThreadAbortException?
...est();
This blog post from Thomas Marquardt provides additional details, including how to handle the special case of redirecting inside an Application_Error handler.
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What is the most effective way for float and double comparison?
...urce for understanding how floating point works and what the pitfalls are, including what ULP is.
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