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This article from http://blog.csdn.net/hardVB/archive/2007/10/18/1831810.aspx /Yuy2 video conversion RGB format by hard 2007-10-17// Http://www.fourcc.org/fccyvrgb.phpInline void yuy2_rgb (byte * yuy2buff, byte * rgbbuff, DWORD dwsize){ // B = 1.164 (Y-16) + 2.018 (u-128)// G = 1.164 (Y-16)-0.813 (V-128)-0.391 (u-128)// R = 1.164 (Y-16) + 1.596 (V-

The use of the Linux 3.0 new USB Gadget CONFIGFS.C driver is as follows:Mount the Configfs file system:# mount-t Configfs None/sys/kernel/config# Cd/sys/kernel/config# lsUsb_gadget# CD Usb_gadgetCreate the G1 directory and instantiate a new gadget template:# mkdir G1# CD G1# lsUDC bdeviceprotocol bMaxPacketSize0 Bcdusb functions IdvendorBdeviceclass bdevicesubclass bcddevice configs idproduct stringsDefine the VendorID and ProductID of the product# echo "0XABCD" > Idvendor# echo "0x1234" > Idpro

In the last blog, Windows Phone 7, the latest development ToolPak, introduced the phoney project, which has introduced a fading message hint, this article will expand the message that the hint message appears with a glass border, similar to the effect of the Windows 7 form. Let's take a look at the effect after the run: In fact, to put it simply is to add a glass to the pop-up box style. The specific changes are as follows: Open the FadingMessage.cs file under the Phoneytools project, find

// Convert the yuy2 video to the RGB format by hard 2007-10-17// Http://www.fourcc.org/fccyvrgb.phpInline void yuy2_rgb (byte * yuy2buff, byte * rgbbuff, DWORD dwsize){ // B = 1.164 (Y-16) + 2.018 (u-128)// G = 1.164 (Y-16)-0.813 (V-128)-0.391 (u-128)// R = 1.164 (Y-16) + 1.596 (V-128)Byte * orgrgbbuff = rgbbuff;For (d

Ultra-simple qps statistical methods (recommended) and qps statistical methods Calculate the QPS value in the last N seconds (including the select and insert values per second) Mysql> select variable_name, sum (per_sec) as qps from (select straight_join lower (gs0.variable _ name) as variable_name, (gs1.variable _ value-gs0.variable _ value) /5 as per_sec from (select variable_name, variable_value from information_schema.global_status where variable_n

+" 2015073109532345 \ ", \" Meta \ ": \" golang \", \ "Content \": \ "message \"}"Conn. Write (protocol. Enpacket ([] byte (words )))}Fmt. Println ("send over ")Defer conn. Close ()}Func GetSession () string {Gs1: = time. Now (). Unix ()Gs2: = strconv. FormatInt (gs1, 10)Return gs2}Func main (){Server: = "localhost: 6060"TcpAddr, err: = net. ResolveTCPAddr ("tcp4", server)If err! = Nil {Fmt. Fprintf (OS. S

Why is the char type in the following range? In C, the signed char type ranges from-128 ~ 127. This is also written in every textbook, but no book (including teachers) will give you why-128 ~ 127. It seems that this problem is easy and easy, so you don't have to think about why. Isn't there a formula with an Integer Range:-2 ^ (n-1 )~ 2 ^ (n-1)-1 (n is the number of digits occupied by the memory of the inte

opened.SQL>13 ).Modify the startup script dbstart and disable the script dbshut.First modify vim/etc/oratabChange N from the last line to YThen modify the content of $ ORACLE_HOME/bin/dbstart.Modify ORACLE_HOME_LISTNER = $1:ORACLE_HOME_LISTNER = $ ORACLE_HOMESu-oracleDbstart # Start oracleThis is only the basic service for starting oracle databases and listening.Services without three web pages are equivalent to the above two operations: sqlplus and lsnrtl start.Dbshut stops oracleUse the dbshu

OpenSSL symmetric encryption algorithm commands 1. symmetric encryption algorithm Overview The openssl Encryption Algorithm Library provides a wide range of symmetric encryption algorithms. We can use the symmetric encryption algorithm commands provided by openssl, or call the APIS provided by openssl. Openssl symmetric encryption algorithm commands are mainly used to encrypt and decrypt data. openssl provides instructions for all supported symmetric encryption algorithms, the names of these app

View existing VG # lsvgrootvgoravgdatavg view the usage status of each VG # lsvgoravg focuses on several values PPSIZE: 512 megabyte (s) View existing VG # lsvg rootvg oravg datavg view the status of each VG # lsvg oravg focuses on several values pp size: 512 megabyte (s) View existing VG # Lsvg Rootvg Oravg Datavg View the usage status of each VG # Lsvg oravg Focus on several values Pp size: 512 megabyte (s) Note: SIZE of each PP FREE PPs: 147 (75264 megabytes) Note: number of available

[Unicode] character encoding table information, unicode character encoding The UTF-8 is somewhat similar to the Haffman encoding, which encodes Unicode: 0x00-0x7F characters, expressed in a single byte; The character 0x80-0x7FF is expressed in two bytes; 0x800-0xFFFF characters are represented in 3 bytes; ① The unicode range of a number is 0x0030 ~ Zero x 0039 ② The unicode range of English letters is: Uppercase letters A to Z (Latin letters): 0x0041 ~ 0x005A Lowercase letters a to z (Latin lett

, transaction serial number, etc., summed up all can be summed up only about 100 data. Then we can first simple design ISO8583, define 128 fields, all can be considered similar to the above mentioned "account number" and other financial data types, in one order, corresponding to 128 fields in one field. Each data type occupies a fixed length, and this order and length are defined beforehand. This is simple,

Generate the 10046 trace file:Sql> CREATE TABLE t10046 as SELECT * from Dba_objects; Table created. Sql> Select File_id,block_id,blocks from dba_extents where segment_name= ' T10046 '; file_id block_id BLOCKS------------------------------1 94664 8 1 94672 8 1 94680 8 1 94688 8 1 94696 8 1 94704 8 1 94712 8 1 94896 8 1 94904 8 1 9 4912 8 1 94920 8 1 94928 8 1 94936 8 1 94944 8 1 94952 8 1 94960 8 1 95872 128 1 96000

Video Demo:Https://pan.baidu.com/s/1qYRMp7QTool sysbench0.5 128 Concurrent 10 sheets 1 million rowsHardware configuration R720 64G RAID10 (15000 rpm)100 seconds for separate pressure measurementSysbench--test=/root/soft/sysbench-0.5/sysbench/tests/db/oltp.lua--mysql-table-engine=innodb--oltp-table-size= 1000000--max-requests=0--max-time=100--num-threads=128--oltp-tables-count=10--report-interval=10--mysql-h

Big talk command-ss, big talk-ss Big talk command-ss Ss is short for Socket Statistics. As the name suggests, the ss command can be used to obtain socket statistics, which can display content similar to netstat. Advantages: (1) display more detailed information about TCP and connection status, (2) faster and more efficient than netstat. 1 format Format: ss [option]… [Filter] Netstat traverses proc to obtain socket information. ss uses netlink to communicate with the kernel tcp_diag module to obt