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How to read the content of a file to a string in C?
...you want to interpret it) to open a file in C and read its contents into a string (char*, char[], whatever)?
11 Answers
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VC/Linux C++ 递归访问目录下所有文件 - c++1y / stl - 清泛IT社区，为创新赋能！
...ent.h>
#include <iostream>
#include <cstdlib>
#include <cstring>
using namespace std;
void GetFileInDir(string dirName)
{
DIR* Dir = NULL;
struct dirent* file = NULL;
if (dirName[dirName.size()-1] != '/')
{
&nb...
How to convert integer to string in C? [duplicate]
...afer in that you specify how much input you're taking. Otherwise, If your string has multi-byte characters, or ends up longer than you expected due to large numbers, you can overflow your buffer and crash your program (etc).
– gone
Apr 23 '14 at 9:06
...
Bytes of a string in Java
In Java, if I have a String x , how can I calculate the number of bytes in that string?
8 Answers
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What are the basic rules and idioms for operator overloading?
...oo {
public:
// Overloaded call operator
int operator()(const std::string& y) {
// ...
}
};
Usage:
foo f;
int a = f("hello");
Throughout the C++ standard library, function objects are always copied. Your own function objects should therefore be cheap to copy. If a functi...
Is it better to use std::memcpy() or std::copy() in terms to performance?
...r was std::copy.
I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternating...
Check if a string contains a number
...mbers, whereas I'm looking for numbers in what I'd like to be a numberless string.
I need to enter a string and check to see if it contains any numbers and if it does reject it.
...
Reading a string with scanf
... something. I was under the impression that the correct way of reading a C string with scanf() went along the lines of
2 ...
Concept behind these four lines of tricky C code
... 'u' 0x53 'S' 0x2B '+' 0x2B '+' 0x43 'C'
This pattern corresponds to the string that you see printed, only backwards. At the same time, the second element of the array becomes zero, providing null terminator, making the string suitable for passing to printf().
...
Android Camera : data intent returns null
...Extras = new Bundle();
if (mCropValue.equals("circle")) {
newExtras.putString("circleCrop", "true");
}
if (mSaveUri != null) {
newExtras.putParcelable(MediaStore.EXTRA_OUTPUT, mSaveUri);
} else {
newExtras.putBoolean("return-data", true);
}
I would guess that you're either passing in ...