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; + intSt[maxn],top; - intAnsmn,ansmx; + ll Anssum; A intI,j,k,n,m,k,a,b,lca; at - - intRaCharRx; -InlineintRead () { -Rx=getchar (), ra=0; - while(rx'0'|| Rx>'9') rx=GetChar (); in while(rx>='0'rx'9') ra*=Ten, ra+=
is:" $sum "bytes"echo "Average flow:" $aver "bytes/sec";;Esac(2) scripts (common)#!/bin/bashWhile ["1"]DoEth=$1rxpre=$ (Cat/proc/net/dev | grep $eth | tr: "" | awk ' {print $} ')txpre=$ (Cat/proc/net/dev | grep $eth | tr: "" | awk ' {print $} ')Sleep 1rxnext=$ (Cat/proc/net/dev | grep $eth | tr: "" | awk ' {print $} ')txnext=$ (Cat/proc/net/dev | grep $eth | tr: "" | awk ' {print $} ')ClearEcho-e "\ t RX ' date +%k:%m:%s ' TX"
lane unidirectional data Lane bidirectional Data Laned-phy mode of transmission· Low power (Low-power) signal mode (for control): 10MHz (max) · High speed (high-speed) signal mode (for high speed data transfer): 80Mbps ~ 1gbps/lane The d-phy low-level protocol specifies that the minimum data unit is a byte · must be low before the data is sent, and high in the rear. d-phy for mobile applications NBSP;DSI: Display serial interface A clock lane, one or more data lane NBSP;CSI: Video serial Int
is as follows.[Root @ localhost ~] # IfconfigBr0: flags = 4163 Inet 192.168.1.102 netmask 255.255.255.0 broadcast 192.168.1.255Inet6 fe80: 22cf: 30ff: feac: c82b prefixlen 64 scopeid 0x20 Ether 20: cf: 30: ac: c8: 2b txqueuelen 0 (Ethernet)RX packets 75070 bytes 108005211 (103.0 MiB)RX errors 0 dropped 0 overruns 0 frame 0TX packets 50912 bytes 4021320 (3.8 MiB)TX errors 0 dropped 0 overruns 0 carrier 0 co
[Root @ 361way network-scripts] # cat ifcfg-enp3s0 DEVICE = enp3s0 TYPE = Ethernet ONBOOT = yes BRIDGE = br0 [Root @ 361way ~] Reboot [Root @ 361way network-scripts] # ifconfig Br0: flags = 4163 Mtu 1500 Inet 192.168.0.102 netmask 255.255.255.0 broadcast 192.168.0.255 Inet6 fe80: 7a24: afff: fe46: ca60 prefixlen 64 scopeid 0x20 Ether 78: 24: af: 46: ca: 60 txqueuelen 0 (Ethernet) RX packe
containers, and the same port can be used for each application within the container.Again, we add a little bit to the original code. We have added syscall.CLONE_NEWNET this identifier here.package mainimport ( "log" "os" "os/exec" "syscall")func main() { cmd := exec.Command("sh") cmd.SysProcAttr = syscall.SysProcAttr{ Cloneflags: syscall.CLONE_NEWUTS | syscall.CLONE_NEWIPC | syscall.CLONE_NEWPID | syscall.CLONE_NEWNS | syscall.CLONE_NEWUSER | syscall.CLONE_NE
box. We have to bring the interface up without IP address assigned to it before we can use it.Ifconfig eth1 0.0.0.0 upWe'll create Interface VLAN one-on-A and VLAN-on-this eth1 interface. To create a VLAN interface, use ' vconfig add ' command as below:Vconfig add eth1 11Added vlan with vid = = one-to-if-:eth1:-vconfig add eth1 12Added VLAN with vid = = to If-:eth1:- these commands above would create devices eth1.11 and eth1.12 to your system. Linux would consider these as another network devic
to:Getfacl: Gets the ACL setting item for a file/directory;Setfacl: Sets the ACL specification for a directory/file.SETFACL instruction Usage#setfacl [-BKRD] [{-m|-x} ACL parameter] target file nameOptions and Parameters:-M: Set subsequent ACL parameters for file use, not with-X;-X: Do not share with-m except for subsequent ACL parameters;-B: Remove all ACL setting parameters;-K: Removes the default ACL parameters, as described in the following example for the so-called "preset" parameters;-R:
Code:1, Hilbert code:[CPP] view plaincopy //rotate/flip a quadrant appropriately voidRot (intN,int*x,int*y,intRx,intry) { if (ry = = 0) { if (Rx = = 1) { *x = n-1-*x; *y = n-1-*y; } //swap x and y intt = *x; *x = *y; *y = t; } } intxy2d (intN,intx,inty) { intRx, Ry, s, d = 0; for (s = n/2; s>0; S/= 2) { Rx = (x S) > 0; ry = (Y s) > 0; D + = S * S * ((3 *
network card (Multi-queue NIC) that is widely used today, and in some materials this technique is also called RSS (Receive-side Scaling). This technique, in summary, supports the parallel of the single-Nic IO from the hard interrupt level, and works as shown in the following:Multi-queue network card through the introduction of rx-queue mechanism, the input traffic level to multiple "virtual network card" is also
/etc/sysconfig/network-scripts/[Root@361way network-scripts]# Cat Ifcfg-br0Type=bridgeBootproto=noneDevice=br0Onboot=yesipaddr0=192.168.0.102Prefix0=24gateway0=192.168.0.1[Root@361way network-scripts]# Cat Ifcfg-enp3s0Device=enp3s0Type=ethernetOnboot=yesBridge=br0[Root@361way ~]reboot[Root@361way network-scripts]# Ifconfigbr0:flags=4163 MTU 1500inet 192.168.0.102 netmask 255.255.255.0 broadcast 192.168.0.255Inet6 fe80::7a24:afff:fe46:ca60 Prefixlen ScopeID 0x20Ether 78:24:af:46:ca:60 Txqueuelen
Control-point Attribute High-level protocols can use this property to enable device-specific processes, such as commands or instructions for a given procedure on a device, to complete 2.7 Protocol Methods ATT uses protocol methods to discover, read, write, notify, and indicate attributesMethods can be divided into the following types-Request-Response-Command-Notification-Indication-Confirmation Some att pdus contain a certified signature (authentication Signature)Allow PDU send side to not requ
Before the SUSE Linux network card renaming problem, is installed on the virtual machine RAC, by replicating the virtual machine need to complete. Unlike Redhat Linux and Oralce Linux, the following records them for reference. 1, the new node network configuration #启动节点之后没有任何IP配置信息 bo2dbp:~ # Ifconfig Lo Link encap:local Loopback inet addr:127.0.0.1 mask:255.0.0.0 Inet6 addr::: 1/128 scope:host Up loopback RUNNING mtu:16436 metric:1 RX packets
The network cannot be accessed after Linux is installed.After installing the new Linux system on the virtual machine, ping www.baidu.com and find that it cannot be ping.Type ifconfig query configuration: Eno16777728:flags=4163 Ether 00:0c:29:3e:ad:2d Txqueuelen (Ethernet) RX Packets 0 Bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0
[Email protected]:~# IW listwiphy phy0 max # scan SSIDs:4Max Scan IEs length:2257bytes Retry ShortLimit7RetryLongLimit4Coverage class:0(up to 0m) Device supports RSN-IBSS. Device supports AP-side uAPSD. Device supports T-DLS. Supported ciphers:* WEP40 (xx-0F-AC:1) * WEP104 (xx-0F-AC:5) * TKIP (xx-0F-AC:2) * CCMP (xx-0F-AC:4) *xx-0F-AC:Ten* GCMP (xx-0F-AC:8) *xx-0F-AC:9* CMAC (xx-0F-AC:6) *xx-0F-AC: -*xx-0F-AC: One*xx-0F-AC: AAvailable antennas:tx0x1Rx0x3
=1002333333;6 structzs{7 intToo,pre,num;8}e[23333];intlast[ -],tot;9 intf[ -][101][2023],mxnum[ -],v[ -],cost[ -],fa[ -],dl[ -],mxneed[ -],mxcost[ -];Ten intg[2023]; One intI,j,k,n,m,a,b,ans; A - intRaCharRx; -InlineintRead () { theRx=getchar (), ra=0; - while(rx'0'|| Rx>'9') rx=GetChar (); - while(rx>='
Midpoint ellipse algorithm (bottom)assuming that the Rx,ry and ellipse centers have been given in the integer screen coordinates, we only need incremental integers in the midpoint ellipse algorithmto determine the value of the decision parameter. IncrementalR2y ,R2xand the2r2yxand the2r2xyonly need to be evaluated at the beginning of the program. The midpoint ellipse algorithm can be generalizedinclude the following steps:The steps of the midpoint ell
The original is from "RxJava Essentials" Original Author: Ivan Morgillo Development technology Front www.devtf.cn Reprint statement: This translation has authorized developers to enjoy the exclusive right to reprint, without permission, not reproduced! Translator: Yuxingxin Project Address: RXJAVA-ESSENTIALS-CN RX-from. NET to RxjavaResponsive programming is a programming model based on the concept of asynchronous da
Article One understanding template type inferenceBasic SituationThe first is to define function templates and function calls as follows, during compilation , the compiler infers the types of T and Paramtype, which are fundamentally different because paramtype often contains modifiers such as const, references, etc.Templatevoid// function template form // function callwhere the type of T is the type of expr, the following t is intTemplatvoid F (const t param); int 0 // T-intBut the inference
Metric: 1 RX packets: 29458 errors: 0 dropped: 0 overruns: 0 frame: 0 TX packets: 23690 errors: 0 dropped: 0 overruns: 0 carrier: 0 Collisions: 0 FIG: 1000 RX bytes: 10945195 (10.4 MiB) TX bytes: 2935004 (2.7 MiB) Interrupt: 169 Base address: 0xe200 Eth0: 0 Link encap: Ethernet HWaddr 00: 15: 58: 3E: F2: 6B Inet addr: 192.168.1.244 Bcast: 192.168.1.255 Mask: 255.255.255.0 Up broadcast running multicast mt
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