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Using reflect, how do you set the value of a struct field?
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AsgeirAsgeir
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Resolve build errors due to circular dependency amongst classes
... A.h
class A {
B _b;
};
// file: B.h
class B {
A _a;
};
// file main.cc
#include "A.h"
#include "B.h"
int main(...) {
A a;
}
When you are compiling the .cc file (remember that the .cc and not the .h is the unit of compilation), you need to allocate space for object A. So, well, how much sp...
How to open, read, and write from serial port in C?
... tty.c_oflag = 0; // no remapping, no delays
tty.c_cc[VMIN] = 0; // read doesn't block
tty.c_cc[VTIME] = 5; // 0.5 seconds read timeout
tty.c_iflag &= ~(IXON | IXOFF | IXANY); // shut off xon/xoff ctrl
tty.c_cflag |= (CLOCA...
how to get an uri of an image resource in android
...hape was like "android.resource://com.craiovadata.guessthecountry/drawable/sky"
– Dan Alboteanu
Oct 2 '18 at 11:24
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google mock分享（全网最全最好的gmock文档，没有之一） - C/C++ - 清泛网 ...
...果是一个形参，就是MOCK_METHOD1了，以此往下。
FooMain.cc
#include <cstdlib>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <iostream>
#include <string>
#include "MockFoo.h"
using namespace seamless;
using namespace std;
using ::testing::Return;...
Single quotes vs. double quotes in C or C++
...instance:
const uint32_t png_ihdr = 'IHDR';
The resulting constant (in GCC, which implements this) has the value you get by taking each character and shifting it up, so that 'I' ends up in the most significant bits of the 32-bit value. Obviously, you shouldn't rely on this if you are writing plat...
Only get hash value using md5sum (without filename)
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gniourf_gniourf
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answered Sep 9 '10 at 18:11
Brian CampbellBrian Ca...
What techniques can be used to speed up C++ compilation times?
...ry. This is a good place for STL headers and other library include files.
ccache is another utility that takes advantage of caching techniques to speed things up.
Use Parallelism
Many compilers / IDEs support using multiple cores/CPUs to do compilation simultaneously. In GNU Make (usually used wi...
How do you detect Credit card type based on number?
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OmG
13.3k77 gold badges3838 silver badges6565 bronze badges
answered Sep 16 '08 at 14:18
senfosenfo
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When to use dynamic vs. static libraries
...o2();
}
$$:~/static [37]> cat makefile
hello: hello.o libtest.a
cc -o hello hello.o -L. -ltest
hello.o: hello.c
cc -c hello.c -I`pwd`
libtest.a:foo.o foo2.o
ar cr libtest.a foo.o foo2.o
foo.o:foo.c
cc -c foo.c
foo2.o:foo.c
cc -c foo2.c
clean:
rm -f ...