how many bytes in gig

Brief introductionRecently developed a project, using the 3DES encryption algorithm, encrypt the socket server and client communication messages, because the encryption key is 32 bytes, the result is a toss, and now recorded to share!1, Des3encryptutils.java PackageDes3;ImportJavax.crypto.Cipher;ImportJavax.crypto.SecretKey;Importjavax.crypto.SecretKeyFactory;ImportJavax.crypto.spec.DESedeKeySpec;/*** 3DES Encryption Tool class *@authorQiaozhenwu*/ Pu

Py3, String, str type, is Unicode encoded format. Other types are byte, encoding format is GBK,UTF-8, etc.Instead of checking the encoding format of the STR type, Chardet is checking the encoding format of byte type.A= "ABC Ah", is a string, you can not use Chardet.When the type of data (byte) is obtained, it needs to be treated as a string, which needs to be encoded into Unicode (this is what Python handles).To convert bytes to Unicode, you need to k

Ternary operations In-process Binary, 01 Octal, 01234567 Decimal, 0123456789 Hex, 0123456789ABCDEF Bytes Type http://www.cnblogs.com/txw1958/archive/2012/07/19/2598885.htmlThe most important new feature of Python 3 is probably a clearer distinction between text and binary data. Text is always Unicode, represented by the STR type, and binary data is represented by the

Error when running Telnetlib: Typeerror:a Bytes-like object is required and not ' str ' due to differences in Python2 and Python3 versions.It works in Python2, and the most important new feature of Python3 is the clearer distinction between text and binary data. Text is encoded in Unicode and is of type STR, while binary data is bytes type.Python has two types of conversion functions encode (), decode ().

Phenomenon and background Tip Hard disk space remaining 0 bytes, not when the event is selected to ignore, and want to resolve the "failure" by restarting. However, "reboot" failed to start successfully. There is a background to prompt the system update, I choose to update all, that is, the kernel upgrade to 3.19*61, the original is 3.19*25, as well as to crack Sony's binocular camera Ps4eye driver, may be related to "bug" (the remaining 0

Fionread is how many bytes are returned in the buffer .Input has an input buffer, using theint nread;IOCTL (0,fionread,nread);can get the number of bytes in the buffer to be read. The value is placed in the Nread .Then you can read it. Nread = Read (0,buffer,nread);============================================================================The MSG_PEEK flag can be used to read the data that is readable in t

In a file-processing system, it is easy to get the size out of some system's own method, the problem is that the size is often just a byte B.If you want to convert this byte number to a KB, MB, GB final rendering to the user, it involves the arithmetic operation of dividing and taking the remainder.Here's how:public static String getprintsize (long size) {///If the number of bytes is less than 1024, it is directly in B, otherwise except for 1024, the

As you all know, an int or unsigned int is made up of 4 bytes, (The Learning Guide for C/s + +, chapter 3rd, section 3.2.3: Memory view of variables)Like whatint n = sizeof (int); N is 4You can also clearly see in memory, that 4 bytes is there, ("C-VC2008 Learning Guide," Appendix: Debugging Method)But the question is: How do you turn the code into 4 bytes?Method

represents 16 binary number 11; Represented by a 0x prefix, the eg:0x23 represents a 16 binary number of 23.5.bytes typeIn Python3, text is always Unicode, represented by the STR type, and binary data (audio, video) is represented by the bytes type.(in Python3, the data transmission with the socket must be transmitted in binary form, so the STR type is converted to the

Java character type char occupies 2 direct because he is Unicode encoded Java simple data type Simple type size range/precision float 4 byte 32-bit IEEE 754 single precision double 8 byte 64-bit IEE E 754 Double byte 1 byte-128 to 127 short 2 bytes-32,768 to 32,767 int 4 bytes-2,147,483,648 to 2,147,483,647 long 8 bytes -9,22 3,372,036,854,775,808 to 9,223,

How data can post more than 100K bytes in the form field???? Previously encountered a problem in the work, when the form sent a large amount of data, it will be an error. Check out MSDN to learn that Microsoft is limited to 100K bytes for the maximum data that can be received with Request.Form (). Microsoft recommends using Request.BinaryRead () to read form data, but because this method reads binary dat

How data can post more than 100K bytes in the form field Previously encountered a problem in the work, when the form sent a large amount of data, it will be an error. Check out MSDN to learn that Microsoft is limited to 100K bytes for the maximum data that can be received with Request.Form (). Microsoft recommends using Request.BinaryRead () to read form data, but because this method reads binary data, it