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2. What is the Fastest Method for High Performance Sequential File...

   stackoverflow.com/questions/1201261

   2. You asked about C++, but it sounds like you're past that and ready to get a little platform-specific. On Windows, FILE_FLAG_SEQUENTIAL_SCAN with a file mapping is probably the fastest way. In fact, your process can exit before the file actually makes it on to the disk.

3. How to read and write into file using JavaScript?

   stackoverflow.com/questions/585234

   for more complex file operations in rhino, you can use java.io.File methods. you won't get any of this stuff in the browser though. For similar functionality in a browser you can use the SQL database functions from HTML5, clientside persistence, cookies, and flash storage objects.

4. How to read/write from/to a file using Go - Stack Overflow

   stackoverflow.com/questions/1821811

   New Way. Starting with Go 1.16, use os.ReadFile to load the file into memory, and use os.WriteFile to write to a file from memory (ioutil.ReadFile now calls os.ReadFile and is deprecated). Be careful with the os.ReadFile because it reads the whole file into memory. package main. import "os". import "log".

5. c# - Unit Testing File I/O - Stack Overflow

   stackoverflow.com/questions/1528134

   // File IO is done outside prior to this call, so in the level // above the caller would open a file and pass in the stream public class MyClassThatNoLongerOpensFiles { public bool IsDataValid(Stream stream) // or byte[] { DoSomethingWithStreamInstead(stream); // can be a memorystream in tests } } This approach is a tradeoff.

6. What's the difference between io.open() and os.open() on Python?

   stackoverflow.com/questions/7219511

   36. io.open() is the preferred, higher-level interface to file I/O. It wraps the OS-level file descriptor in an object that you can use to access the file in a Pythonic manner. os.open() is just a wrapper for the lower-level POSIX syscall. It takes less symbolic (and more POSIX-y) arguments, and returns the file descriptor (a number) that ...

7. Unicode (UTF-8) reading and writing to files in Python

   stackoverflow.com/questions/491921

   The io module, added in Python 2.6, provides an io.open function, which allows specifying the file's encoding. Supposing the file is encoded in UTF-8, we can use: >>> import io. >>> f = io.open("test", mode="r", encoding="utf-8") Then f.read returns a decoded Unicode object: >>> f.read() u'Capit\xe1l\n\n'.

8. Read file line by line using ifstream in C++ - Stack Overflow

   stackoverflow.com/questions/7868936

   Reading a file line by line in C++ can be done in some different ways. [Fast] Loop with std::getline() The simplest approach is to open an std::ifstream and loop using std::getline() calls.

9. How do I check if a file exists in Java? - Stack Overflow

   stackoverflow.com/questions/1816673

   File f = new File(filePathString); This will not create a physical file. Will just create an object of the class File. To physically create a file you have to explicitly create it: f.createNewFile(); So f.exists() can be used to check whether such a file exists or not. edited May 28, 2013 at 11:06.

10. c# - FileInfo.MoveTo () vs File.Move () - Stack Overflow

    stackoverflow.com/questions/2733288

    An important difference is that FileInfo.MoveTo() will update the filepath of the FileInfo object to the destination path. This is obviously not the case of File.Move() since it only uses strings as input. This one cost me quite some time! Thanks for the clarification.

11. java - How do I create a file and write to it? - Stack Overflow

    stackoverflow.com/questions/2885173

    Java NIO. If you already have the content you want to write to the file (and not generated on the fly), the java.nio.file.Files addition in Java 7 as part of Java NIO provides the simplest and most efficient way to achieve your goals.