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What's the difference between a file descriptor and file pointer?
...ened file (or socket, or whatever) at the kernel level, in Linux and other Unix-like systems.
You pass "naked" file descriptors to actual Unix calls, such as read(), write() and so on.
A FILE pointer is a C standard library-level construct, used to represent a file. The FILE wraps the file descrip...
How to get the start time of a long-running Linux process?
... Be aware that lstart time can change, the stat methods below are safer - unix.stackexchange.com/questions/274610/….
– slm
Jun 20 '19 at 15:13
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Failed to Attach to Process ID Xcode
... 1, otherwise continue to Step 3.
Step3: Correct File Format: It should be unix or LF *
$ file /etc/hosts
This should return: /etc/hosts: ASCII English text
If it returns something like /etc/hosts: ASCII English text, with CR line terminators then the file is in the wrong format and is likely bein...
Java: Clear the console
...uld handle it. This method will work for the Windows OS case and the Linux/Unix OS case (which means it also works for Mac OS X).
public final static void clearConsole()
{
try
{
final String os = System.getProperty("os.name");
if (os.contains("Windows"))
{
...
How can I count all the lines of code in a directory recursively?
...
Note that you can run Unix commands on Windows using cygwin (or other similar ports/environments). To me, having this kind of access so extremely useful, it's a necessity. A unix command line is magical. I especially like perl and regular expressi...
What is “git remote add …” and “git push origin master”?
...
git is like UNIX. User friendly but picky about its friends. It's about as powerful and as user friendly as a shell pipeline.
That being said, once you understand its paradigms and concepts, it has the same zenlike clarity that I've come...
How to exit in Node.js
...
If you're in a Unix terminal or Windows command line and want to exit the Node REPL, either...
Press Ctrl + C twice, or
type .exit and press Enter, or
press Ctrl + D at the start of a line (Unix only)
...
Turn a simple socket into an SSL socket
...rote simple C programs, which are using sockets ('client' and 'server').
(UNIX/Linux usage)
4 Answers
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C++ Lock-free Hazard Pointer（冒险指针） - C/C++ - 清泛网 - 专注C/C++及内核技术
...还没有太多的了解。本文主要介绍 Hazard Pointer，一种无锁编程中广泛使用的安全内存回收方法，适用于需要高性能读、读多写少的场景。其论文可参考文献 1，标准草案可参考文献 2，代码实现可参考 Folly 中的 HazPtr。
2. Hazard Poi...
Determine file creation date in Java
...mentation you're out of luck. Addendum: same behaviour is in OpenJDK7.
On Unix filesystems you cannot retrieve the creation timestamp, you simply get a copy of the last modification time. So sad, but unfortunately true. I'm not sure why that is but the code specifically does that as the following w...