how to perform traceroute

code as follows: Class Myworker Include Sidekiq::worker Include Sidetiq::schedulable Recurrence {Daily} def perform # do stuff ... End End Sidetiq, like Sidekiq, relies on Redis messages to process messages. These recurring tasks are automatically loaded when the Rails project is started. 4.clockwork Clockwork, like Sidetiq, does not have to rely on cron to accommodate "cross-platform" requirements. The followi

"settimeout (" function (); ", Delaytime)", and if you want to set a sentence into a word of the appearance, You need to use the loop timer "setinterval" ("function ();", Delaytime). Gets the focus of the form, the document.activeElement.id is used. Use if to determine whether the ID of the document.activeElement.id and form is the same. For example: if ("mid" = document.activeElement.id) {alert ();}, "Mid" is the corresponding ID of the form. Two examples are briefly cited. Example 1. A v

Windows timed to execute PHP believe that many readers (PHP enthusiasts) in the work, learning process often complained: in Win how to let PHP timed automatically?? How to allow MySQL to achieve automatic backup without worry?? If you rely entirely on hand to do of course can also be achieved, but the operation seems too cumbersome a little! Take it easy. Using the system's Task Scheduler (which Windows 98 calls a scheduled task) can easily solve the problem. This function is often overlooked by

Start a timed task when the Web program starts, apply a pool recycle, or start a scheduled task again after the program shuts down, and continue execution on its original basis (using serialization to save its persistence) The timed Task object is serialized into the database, and then retrieved from the database to be used as an instance object. serialization, deserialization of object instances, byte[] conversion methods: Base timed Task Action class: namespace _66_timertask {//This cla

The following information occurs when the Ubuntu14.04 system in the virtual machine is installed to install VM Tools:Make sure you are logged on to the client operating system. Mount the CD drive boot terminal in the client, unzip the installer using tar, and then perform vmware-insall.pl installation VMware Tools.The following are personal solutions.Solution steps:1. Go to the file interface and locate the drive named "VM Tools" under "devices" on th

Create a Mybackup.bat, enter the following to run the script directly, you can start to automatically back up the database or the script to join the Windows task plan to execute. @echo off set path=%path%; C:Program Files\Microsoft SQL Server\80\Tools\Binn Echo Database backup start >> E:\DataBaseBAK\ task schedule completion. txt date/t >> E:\DataBaseBAK\ Task Schedule completion of the . txt time/t >> E:\DataBaseBAK\ Task Schedule completion of a . txt isql.exe-s 127.0.0.1-u SA- P sa-i

definition, you can filter: ldapsearch-h ldap://-x-s base-b "Cn=subschema"-lll ldapsyntaxes | Less To see how the search mechanism matches the entry between the entries, then: ldapsearch-h ldap://-x-s base-b "Cn=subschema"-lll matchingrules | Less To see which matching rules are available, then: ldapsearch-h ldap://-x-s base-b "Cn=subschema"-lll matchingruleuse | Less To view the available attribute type definitions, then: ldapsearch-h ldap://-x-s base-b "Cn=subschema"-lll attributetypes | Less

TensorFlow and OpenCV, read pictures, perform simple operations and display 1 OpenCV read into the picture, using TF. Variable initialized to tensor, loaded into TensorFlow to transpose the picture, then OpenCV shows the result of the transpose Import TensorFlow as tf import cv2 file_path = "/home/lei/desktop/" filename = "marshorchid.jpg" image = Cv2.imread (filename, 1) Cv2.namedwindow (' image ', 0) cv2.imshow (' image ', image) # Create a Tens

Environment Cisco 2500 Series Router Problem with Cisco router password recovery The Cisco 2500 router has several passwords, including the Enable secret,enable password,telnet password, and so on. The Enable secret is the most important, the password must be forgotten after the use of extraordinary means to recover. The following is a brief description of the password recovery process: Router Power off Router Power Press Ctrl+break in 30 seconds, display > on terminal Execute the O/R 0x21

1. Install AB command sudo apt-get install apache2-utils 2.ab Command parameter description Usage:ab [Options] [http[s]://]hostname[:p ort]/path options are://Total requests-N requests number of requests to Perform house//concurrent Request number total requests (n) = number of concurrent (c)-c concurrency number of multiple requests to make-t TI Melimit Seconds to Max. Wait for Responses-b windowsize the Size of TCP send/receive buffer, in Bytes-

public void batchinsertintoaccess (DataTable dt) {ADODB. Connection cn; ADODB. Recordset rs; String strconn = @ "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=d:\filetmp\mmscrm.mdb; Persist Security Info=false "; cn = New ADODB. Connection (); cn. ConnectionString = strconn; Open the database try {//cn. Open (strconn, "sa", "Password",-1); cn. Open (strconn); } catch (Exception ex) {throw new Exception (ex).

Tags: database mysql detectionPHP will pass the value into the database, or to the database when the value, often there is no error PHP, but the database is not updated. At this point, you can print the value of the post or get pass with ECHO, print the SQL statement you want to execute, then go to MySQL to execute it again and display the error with the Mysq_error () function. CasesThis article is from the "Cheng Technology blog" blog, make sure to keep this source http://zhengshuheng.blog.51ct

that need to be backed up!" but the upgrade SQL still executes ... \ n "ECHO-E "Performing upgrade sql...\n"Mysql-u$user-p$password-h $host Source/root/sqltest/upgrade.sql;EofFiElseEcho-e "ENV or HOST not found!\n"FiElseECHO-E "SVN update failed!\n"Fi #this is testenv.sql# ############################### #声明主机 (Operation maintenance) ###############################################ENV = quasi-production environment#HOST =192.168.1.1.############################### #END #########################

Label:Create a new table under a database CREATE TABLE TT (ID INT not NULL PRIMARY KEY auto_increment,//Main table index, self-increment' Name ' VARCHAR (20)) Storage mode ALTER TABLE -------------------------------------------------------------------------- int db_connection; Vuser_init (){char** Result_row;Char *server = "xxx.xx.x.xx"; The IP address of the databaseChar *user = "ceshi001"; Database Access User NameChar *password = "12345678"; PasswordChar *database = "Ceshi"; Database nameint

Reprint: http://www.cnblogs.com/chengtch/p/6198900.htmlIn my opinion, the pressure test object can be divided into UI, interface and database three parts bar, the interface and interface of the pressure measurement is familiar,Locating performance bottlenecks, performing a pressure test on database SQL is also required. What about the tools? or JMeter?1. Put the required link Oracle's rack package into the JMeterUnder the database server installation path, locate Ojdbc5.jar, such as D:\app\Admin

: Generate a compressed file name using the current date-K: Lock Compressed files-R: Recursive sub-directory-S: Create a solid compressed fileGo to Control Panel, open the scheduled task, and double-click Add Scheduled Task. Locate the Backup.bat file in the Scheduled Tasks wizard, and then specify a runtime and password for the run time for this task.The disadvantage of this method is that it takes more time to compress, and it takes time for the backup to be compressed, and MySQL disconnects m

"${update_sql}"Mysql-h${hostname}-p${port}-u${username}-p${password} ${dbname}-E "${select_sql}"#删除数据Delete_sql= "Delete from ${tablename}"Mysql-h${hostname}-p${port}-u${username}-p${password} ${dbname}-E "${delete_sql}"Mysql-h${hostname}-p${port}-u${username}-p${password} ${dbname}-E "${select_sql}"Show Processlist How to filter the problem I finally know how to fix it.MYSQL-UROOT-E-p password ' show processlist\g ';Mysql-uroot-e ' show processlist\g ' |grep ' Info ' |grep-v "NULL" |awk-f ":"

Tags: limit inf height export 9.png modify data blank SQL functionMySQL version: 5.7.18Problem: When executing MySQL function load_file, the function loads the contents of the specified file and stores it in the corresponding field. Such as:Select Load_file ("D:\aa.txt");However, the execution always returns NULL. Various slashes have been tried.Accessed data: 1190000009333563MySQL new version under secure-file-priv field: Secure-file-priv parameter is used to limit load DATA, SELECT ... OUTFILE

in the previous step.#!/bin/shawk ‘ BEGIN{ printf "#ts date time load QPS"; fmt = " %.2f"; } /^TS/ { # The timestamp lines begin with TS. ts = substr($2, 1, index($2,".") - 1); load = NF - 2; diff = ts -prev_ts; prev_ts = ts; printf "\n%s %s %s %s",ts,$3,$4,substr($load, 1, length($load)-1); }

Tags: Dialog tab obj Explanation Store Popup Dialog ONS monitoring ROPIn the process of doing the project, the need is to click on the hole bit click the Pop-up dialog to see the total number of products, double-click the Pop-up dialog. At first, the Click and DblClick are written in the label, but anyway, always do a clicking event WORKAROUND: Use a timer to simulate a double-click event in approximate time HTML Part code: El-button　　　　v-for = "(Item,index) in items": key= "index"@dblclick. nat