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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 get the input from the Tkinter Text Widget?
...the very first character). END is an imported constant which is set to the string "end". The END part means to read until the end of the text box is reached. The only issue with this is that it actually adds a newline to our input. So, in order to fix it we should change END to end-1c(Thanks Bryan O...
Why is “int i = 2147483647 + 1;” OK, but “byte b = 127 + 1;” is not compilable?
...b = (byte)(127 + 1);
and then it compiles.
(*) at least not of the kind String-to-integer, float-to-Time, ... Java does support coercions if they are, in a sense, non-loss (Java calls this "widening").
And no, the word "coercion" did not need correcting. It was chosen very deliberately and cor...
What is a segmentation fault?
...as marked as read-only:
char *str = "Foo"; // Compiler marks the constant string as read-only
*str = 'b'; // Which means this is illegal and results in a segfault
Dangling pointer points to a thing that does not exist any more, like here:
char *p = NULL;
{
char c;
p = &c;
}
// Now p ...
Characters allowed in a URL
... So if you're trying to, say, find the end of a url within a string (which I am), it would be best to go by the obsolete standards in the accepted answer... If you're validating url's you should use the set of characters on this answer.
– ashleedawg
...
逆向工程——二进制炸弹(CSAPP Project) - 操作系统(内核) - 清泛网 - 专注...
...这六个关卡了。
===============phase_1===============
知识点：string，函数调用，栈
用了差不多一个星期断断续续地寻找感觉的phase_1，最主要不知道从何入手。虽然phase_1也不过10+行指令，但最初我的出发点错了：完全依靠人工去读...
Difference between signed / unsigned char [duplicate]
...gnify if the number if positive or negative, but how does this apply to a char ? How can a character be positive or negative?
...
boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
...程编号
unsigned int course_hour; // 课时
std::string course_name; // 课程名
// 课程枚举
enum CourseNum_Enum
{
CourseNum_CPP = 0, // C++
CourseNum_English, // 英语
CourseNum_Ma...
Evil Mode best practice? [closed]
... (message "graphics active")
)
(insert (shell-command-to-string "xsel -o -b"))
)
)
(global-set-key [f8] 'copy-to-clipboard)
(global-set-key [f9] 'paste-from-clipboard)
Obviously, you will have to decide for yourself whether any of these controversial changes are worth it, ...
Android multiple email attachments using Intent
... contains multiple attachments.
public static void email(Context context, String emailTo, String emailCC,
String subject, String emailText, List<String> filePaths)
{
//need to "send multiple" to get more than one attachment
final Intent emailIntent = new Intent(Intent.ACTION_SEND_...