Buffer的核心作用是用来缓冲，字面意思缓慢冲击。 比如你每秒要写100次硬盘，对系统冲击很大，浪费了大量时间忙着写处理，用个buffer缓冲区暂存起来，变成每秒要写10次硬盘，对系统 …

Here, the buffer array is used to store the data read by read (2) until it's written; then the buffer is re-used. There are more complicated buffer schemes used, for example a circular buffer, …

Buffers are associated with a specific block device, and cover caching of filesystem metadata as well as tracking in-flight pages. The cache only contains parked file data. That is, the buffers …

The buffer in this case is a sub-string, starting at position 6 with length 5, and it doesn't take extra storage space - it references a slice of the string. This isn't very useful for short strings like …

Note that Buffer.alloc () is also faster on the current Node.js versions than new Buffer (size).fill (0), which is what you would otherwise need to ensure zero-filling.

2013年1月11日 · I wrote a pretty simple function that downloads an image from a given URL, resize it and upload to S3 (using 'gm' and 'knox'), I have no idea if I'm doing the reading of a …

Do you need a circular buffer or a queue? The required operations make it sound like queue. I admit that with the requirement of a fixed size using a circular buffer make sense, but I'm not …

The clue to the problem is in the exception code: 0xc0000409 0xc0000409 means STATUS_STACK_BUFFER_OVERRUN. In other words, something in your program is writing …

A buffer overflow is basically when a crafted section (or buffer) of memory is written outside of its intended bounds. If an attacker can manage to make this happen from outside of a program it …

Close buffer without closing the window If you want to close a buffer without destroying your window layout (current layout based on splits), you can use a Plugin like bbye. Based on this, …