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Convert java ByteBuffer and byte array to each other

Convert ByteBuffer type to byte array?

阿神 2017-06-12 09:26:58

java - Questions about byte streams

Content format If you want to send content in this format to C++, how to compose such a message? What needs to be sent is a byte stream. I don’t know if it is a ByteBuffer. Can you please help me? Thank you!

给我你的怀抱 2017-05-16 13:31:24

linux - I have some questions about the byte order of sockets.

I was learning about sockets recently and found that if I send a request, the requested IP address and port number need to be converted into network byte order. Otherwise, parsing problems will occur due to little endian and big endian. But why shouldn’t the text data after the socket is established...

我想大声告诉你 2017-05-31 10:37:36

How does python socket receive data in tcp/ip byte format?

How does python socket receive data in tcp/ip byte format? The following can only receive plain text {code...}

迷茫 2017-05-18 11:00:53

Java64 byte salt, how to define database fields?

In actual business, what type of salt is used to store it? Char? blob? The 64-byte salt is base64 encoded to generate an 88-bit string. Is it reasonable to store it in the database? In this case, the salt field is too long. Is there a better way to encode and store the salt?

某草草 2017-06-30 09:56:00

java - inputstream is converted to byte array and the array is out of bounds

public static byte[] readInputStream(InputStream inStream) throws Exception { {code...} } This is the way to deal with it on the Internet. There is a possibility of crossing the boundary if it is written to death. I don’t know if there are other ways to deal with it.

巴扎黑 2017-05-17 10:03:02

In JS, does 'a' occupy 2 bytes or 1 byte in memory?

1. In JS, does 'a' occupy 2 bytes or 1 byte in memory? JS is encoded in UCS-2, so it should take up 2 bytes, right? 2. Are JS strings encoded the same in different engines? 3. In JS, how does a string represent the "end" in memory? Is it also necessary to add a \0?

世界只因有你 2017-07-05 10:46:22

objective-c - iOS如何通过蓝牙向外设发送byte数组

[self.peripheral writeValue:data forCharacteristic:self.writeCharacteristic type:CBCharacteristicWriteWithResponse]; iOS 用蓝牙向外设写数据发送的类型只用data 但是外设只能通过蓝牙接受byte数组。。改...

高洛峰 2017-05-02 09:36:21

dict - Error when writing dic to txt in Python: a bytes-like object is required, not 'str'

{Code...} PyCharm runs and reports the following error: {Code...} Traceback (most recent call last):File "/Users/Air/itchat/test.py", line 8, in <module> {Code. ..} TypeError: a bytes-like object is required, not '

PHP中文网 2017-06-30 09:55:31

angular.js - Angular中如何从一个图片路径读取出byte数组?

如题现在得到一个 {代码...} 需要加这个路径的图片读取成byte数组并传给服务器，请问应该如何实现？ PS: 尝试下使用$http读取这个文件 {代码...} 不知道这里读出的response是什么？

伊谢尔伦 2017-05-15 16:52:34