buffer Questions

3

Solved

I have a look at the Node.js Buffer documentation and I don't understand the difference between Buffer.slice and Buffer.subarray. Both point to "the same memory as the original". But no o...
Antipus asked 29/7, 2020 at 21:52

1

Say i have the two buffers: const bufferFile1 = Buffer.from('Hello World!', 'utf-8') const bufferFile2 = Buffer.from('Hello Again World!', 'utf-8') How can i create tarball file buffer/stream/blob...
Individualism asked 15/12, 2021 at 14:36

6

Solved

I'm using reactive extensions to collate data into buffers of 100ms: this.subscription = this.dataService .Where(x => !string.Equals("FOO", x.Key.Source)) .Buffer(TimeSpan.FromMilliseconds(10...
Offhand asked 29/9, 2011 at 13:7

1

tl-dr version: why do the first 2 action/observations i take not line up with my first two objects in my replay buffer? Do tf-agent replay buffers automatically shuffle data around? by adding these...
Seaver asked 12/9, 2022 at 15:7

10

Solved

I have a method that creates a MessageDigest (a hash) from a file, and I need to do this to a lot of files (>= 100,000). How big should I make the buffer used to read from the files to maximize per...
Remission asked 25/10, 2008 at 19:13

5

Solved

If I use :vimgrep, it searches all files under current directory. But my requirement is to search/replace among all opened files. E.g. I'm using vim to open 3 files at the same time vim 1.cpp 2.cpp...
Civvies asked 18/1, 2017 at 14:0

16

Solved

I know the clear command that 'clears' the current screen, but it does this just by printing lots of newlines - the cleared contents just get scrolled up. Is there a way to completely wipe all prev...
Prather asked 4/2, 2010 at 9:0

3

I'm using Buffer on my node server and Buffer on my Javacript client. For the purposes of saving bytes, I'm looking to send my data to the server through websockets as binary as opposed to JSON. ...
Furuncle asked 8/7, 2016 at 20:1

4

Suppose I'm writing a couple of files to disk, between 2MB and 5GB. What are sensible buffer values for the FileStream ? Is it sensible to work with buffersizes of several megabytes, or should I s...
Declassify asked 7/12, 2009 at 21:23

14

How can I convert a NodeJS binary buffer into a JavaScript ArrayBuffer?
Astray asked 22/12, 2011 at 20:21

1

Solved

I am trying to convert a metatag to plain text using the Buffer.from and .toString(). My goal is to display an array of the keywords using the .map method within my main function. But I notice some...
Epiclesis asked 31/12, 2022 at 11:32

3

I am sending and receiving packets with the help of Node.JS Buffers but I am not sure how to convert these buffers into a binary representation. I tried this but it did not work let buff = Buffer.a...
Swim asked 1/3, 2021 at 0:48

3

Solved

Does Python have any data types for FIFO buffering of strings? I created something (below) but suspect I'm reinventing the wheel. class Buffer(list): def __init__(self): super(Buffer, self).__in...
Dianoetic asked 9/2, 2012 at 21:29

5

Solved

Have: [46][111][36][11][101][55][87][30][122][75][66][32][49][55][67][77][88][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0] Want: [46][111][36][11][101][55][87][30][122][...
Baun asked 8/6, 2013 at 19:41

14

Solved

To me it's not clear what's the difference between the two Linux memory concepts : buffer and cache. I've read through this post and it seems to me that the difference between them is the expiratio...
Dwelt asked 14/6, 2011 at 14:20

7

Solved

Usually, stdout is line-buffered. In other words, as long as your printf argument ends with a newline, you can expect the line to be printed instantly. This does not appear to hold when using a pip...
Alvis asked 5/7, 2012 at 1:58

2

Problem While trying to use ipfs-api in my application, I am getting below error: ERROR TypeError: Buffer.from is not a function at varintEncode (vendor.js:185602) at Object../node_modules/is-i...
Peta asked 25/5, 2020 at 12:39

3

Solved

I want to auto close the compile buffer when there is no error and no warning,but i want to show it when there is warnings. Anyone can help me? This code from emacswiki only do the first requiremen...
Marduk asked 15/6, 2012 at 0:2

3

Solved

I have a method called "DoSomething". DoSomething will take binary source data perform an operation on it, and write out binary data. DoSomething needs to be generic enough to handle either a []byt...
Hydrastinine asked 16/12, 2013 at 1:30

6

Checking the documentation on memoryview: memoryview objects allow Python code to access the internal data of an object that supports the buffer protocol without copying. class memoryview(ob...
Garnetgarnett asked 6/9, 2013 at 10:28

5

Solved

What's the default socket buffer size of linux? Is there any command to see it?
Tighe asked 23/10, 2011 at 8:5

2

Since Web-Worker JSON serialize data between threads, something like this doesn't work: worker.js function Animal() {} Animal.prototype.foobar = function() {} self.onmessage = function(e) { sel...
Idalia asked 11/8, 2015 at 22:49

2

Solved

When using a blocking TCP socket, I don't have to specify a buffer size. For example: using (var client = new TcpClient()) { client.Connect(ServerIp, ServerPort); using (reader = new BinaryRead...
Zeba asked 10/4, 2011 at 3:28

7

Solved

I want to store a 64bit (8 byte) big integer to a nodejs buffer object in big endian format. The problem about this task is that nodejs buffer only supports writing 32bit integers as maximum (with...
Diesis asked 6/2, 2013 at 14:3

1

I'm having an issue with Node.js Streams/Buffers where they aren't being closed/flushed following first use. I have a read stream created from fs.createReadStream that I am piping to a custom write...
Cleo asked 13/11, 2018 at 20:45

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