Go from the original to experience ArcGIS9.2 's history library functionESRI released the historically important software release ArcGIS9.2 on November 9, 2006, with the following four main features (ESRI Tian Changlian) added:
First features: Non-version editing features. Multi-user editing can be done without a version;
The second most powerful feature: Version data copy function. It provides convenience for distributed data synchronous
1. What is history?
In the bash function, it can remember the commands used. The biggest benefit of this function is that it can query previous actions! So that you can know the operation steps, you can track the commands you have issued as a debugging tool!
Ii. Save History
So where is the command record? In. bash_history in the home directory! However, it should be noted that ,~ /. Bash_history records th
The Linux operating system defaults to the historical command of user actions, and if you are a user of the Linux command line, sometimes you may not want certain commands to be recorded in your command line history. There may be many reasons, for example, when you hold a position in a company, you have some privileges that you do not want to be abused by others. Or some particularly important commands that you don't want to perform incorrectly while
Recently job-hopping to a new company, accepted the first task is in an Electronic Business module search function as well as the search history of the implementation.
Demand and Taobao and other electrical functions roughly similar to the top of a search box, the following display search history. After entering the keyword to search in the EditText, press the soft keyboard search key/delay XXXXMS to searc
In/etc/profile, change HISTSIZE = 1000 to 0 or 1 and run the rm-rf.bash_history to clear historyhistory-c. do not write the command name to the history file when executing the command, put it in the buffer, and write it again when exiting, you can also call the history-w command to update the history file (many sayings on the Internet are
Article Title: how to clear the history of Linux commands. Linux is a technology channel of the IT lab in China. The basic classification steps include desktop applications, Linux system management, kernel research, embedded systems, and open-source systems:
1. Create a file to store Common commands, such as/root/history.txt. Write Common commands as text. Each Command occupies one line.
2. Run history-
First, the cause intends to use Activiti timed start event to start the process on a timed basis, and then start another process instance for each user in the process to calculate the real-time bill for each user, the number of users of the system is generally 1000~2000 (this is assumed to be 2000), Real-time bills are usually calculated hourly, then the day's data is 2000x24=48000, one months is 150w, a year is 1800w, so the number of records for Activiti h
[Root @ localhost root] # echo>/var/log/wtmp # garbled characters are cleared when the file is opened by default, ip address and other information can be found [root @ localhost root] # last # user logon information cannot be found at this time to clear records of system logon failures [root @ localhost root] # echo>/var/log /btmp # garbled characters when this file is opened by default, you can find the logon Failure Information [root @ localhost root] # lastb # the logon failure information ca
Summary of History objectsThe history object records the pages (URLs) that the user has browsed, and enables the browser to move forward and backward with similar navigation capabilities.Note: starting from the moment the window is opened, each browser window, every tab, and even each frame has its own history object associated with a particular window object. Gr
Sometimes for server security, to prevent others from prying into the commands we enter, we can clear the history, and more often we choose to force history to not remember the command when entering special commands. Experimental method: Execute the Export histcontrol=ignorespace command first, then output Ls-tra, PWD and service mysqld Start command, when the third command is executed, we choose not to rem
The History Brush Tool group includes 2 brush tools, namely, the history brush tool and the history Art brush tool. By default, the History Brush Tool button appears on the toolbox, as shown in Figure 1.
Figure 1 History Brush Tool Group
The
This example describes the way PHP browses through history. Share to everyone for your reference. The implementation methods are as follows:
/**
* Product History Browse Record
* $data merchandise record information
/
Private Function _history ($data)
{
if (! $data | |!is_array ($ Data))
{return
false;
}
Determine if there is a browse record in the cookie class
if ($this->_request->get
1. Insert a space before the command
histcontrol=ignorespace the
execution of a command with a space, the history 2 is not recorded
. Disables all history for the current session
export Histsize=0
HISTORY-CW
will empty
the history 3. Only for your work close history
set +
Disable Automatic job clearing for workflow history
======================================
Workflow is composed of several column events, such as workflow initiation, task creation, and task completion. when you add a workflow, a workflow history database is automatically created to track workflow events. the workflow history database stores key information about
Introduction to Hadoop jobhistory history Server
Hadoop comes with a history server. You can view the records of running Mapreduce jobs on the history server, for example, how many maps are used, how many Reduce tasks are used, the job submission time, the job start time, and the job completion time. By default, the Hadoop hi
The History property of the Window object refers to the history object of the Windows. The history object is used to represent the window's browsing histories in the form of documents and document status lists. The length of the history object represents the number of elements in the Browse historical list, but for sec
When we are doing the project, often some modules are browsing the record list, but how can we implement the browsing record function in PHP, now we use cookies to achieve
Let's first analyze the idea.
Visit page
Get a list of product data stored in your browsing history
If the currently browsed item is not added in the history, there is an update
If you know the idea, you can look directly at the code
T
Bash is arguably the most widely used shell in the *nix world, and one of its characteristics is the historical command (history) mechanism. This mechanism is mainly used for the convenience of the user-less knocking on the keyboard, improve work efficiency. However, it is widely discussed that bash_history can be used as a logging mechanism to monitor user activity. This article will discuss the above questions and explain why the logging mechanism i
Do you want to know how the Internet was born? If you don't want to read thick monographs like bricks, here is an 8-minute video produced by Milah bilgil, which describes the history of the Internet over 50 years since 1957, the time-sharing system, and file sharing, ARPANET and later Internet.
The video uses a very novel technique, picol icons from picol.org, which means pictorial communication language (Graphic Communication Language ), the goal of
Using the computer for a long time, will clean up the computer, some historical records to clear, so that the computer can run faster, Xshell is the same truth. This episode teaches you how to clear the history of Xshell. How to Clear history: 1. Open Xshell, then click "Tools" and select "Options". 2. In the popup dialog box, select "General" and click "Clear" 3. Tick "Clear
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