history pushstate

Concept: As the name implies, the commands we have lost on the Linux terminal will be loaded into memory so that we can quickly invoke the command. In addition, Bash has the ability to automatically record command history, and commands executed by the user are automatically logged to the. bash_history hidden file in their home directory when logging off, so that we can understand the user's entire operation of the system and query for possible causes

If you are a Linux command-line user, sometimes you may not want certain commands to be recorded in your command-line history. There may be many reasons, for example, you have a position in a company where you have some privileges that you do not want to be abused by others. Or some particularly important commands that you do not want to be executed incorrectly when you browse through the history list.Howev

References in the shell ': Strong reference, variable substitution not performed"": weak reference, able to perform variable substitution': command substitution, referencing the execution result of the command: another symbol for the substitution of the command: $ () Shell command history: History built-in CommandThe command for the current shell process is saved in the cache bufferWhen the command to exi

If you are Linux command-line users, sometimes you may not want certain commands to be recorded in your command-line history. There may be many reasons, for example, you have a position in a company where you have some privileges that you do not want to be abused by others. Or some particularly important commands that you do not want to be executed incorrectly when you browse through the history list. Howev

The Romance of the Three Kingdoms (70% true, 30% fictitious), most of the plots are based on the normal history structure, and even a copy of the history book is not missing, and interspersed with some strange gods to attract readers. Because this book is so red, some people regard it as a Bible. [This is not an exaggeration. There are quite a number of military commanders in

Many people who have used Linux for a period of time have already been able to play the basics of Linux in some basic ways, but without systematic learning it is easy to lack some practical skills. This series of articles describes some of the techniques that can improve the effectiveness of bash, mainly about historical command operations and some shortcut keys, so that you double your productivity at the command line, and these skills are a powerful tool.History Command Operation ChapterThe mo

IE Browser Delete history method 1th Step: Open the browser in the Windows system normally. Step 2nd: Locate the "delete browser history (D)" item under the IE Browser menu bar tool. Note: The above is only the role of IE8 as an example, the other version of the temporary has not been tested. You can also open settings in the same way as in the following ways. Open Internet Options under the

No10 Chen DengChen Yuanlong has a general position in the Romance of the Three Kingdoms, but he mentioned it as an inner when Cao collected Lu Bu. This person is just a conspiracy role and cannot be used in the elegant world. Do not compare it with contemporary heroes such as Kong Ming and Zhong Da, that is, there is a gap with second-stream figures such as guo jia and Cheng Jing. But is history true? None. On one occasion, a person named Xu Xiaoming

If you are reading this post you probably know about hidden lists in SharePoint sites. well, one of the hidden lists by default is the "workflow history" list. the greatest SharePoint workflow history flaws (in my opinion) is that they do not audit. this issue has been well known ented. the workflow history is cleaned out after 60 days. at this point you loose al

In Linux, clear the history and change histsize = 1000 to 0 or 1 in/etc/profile to execute Rm-RF. bash_history clear historyhistory-C when executing the command, do not write the command name into the history file, put it in the buffer, and then write it together when exiting, you can also call the history-W command to update the

1. pwd : Outputs the current working directorycommand format: pwd [OPTION] ...Example: [email protected] etc]# pwd/etc2. Echo: echo textCommand format:echo [Short-option] ... [STRING] ...Echo long-optionOptions: - N No line break after output text[[email protected] ~]# echo ' hello! 'Hello![[email protected] ~]# echo-n ' Hello 'Hello[[email protected] ~]#- e turn on the translation escape character (the following characters are encountered for special processing)\a : Alert Sound\b : Delete the p

[Email protected] ~]# history # View command history, command history exists in ~/.bash_history file ~]# !! # Indicates the execution of the previous command ~]# ls!$ # represents the last parameter of the previous command ~]#!950 # represents the No. 950 command in the history of the execution

It's a good habit that experienced Linux system engineers like to set up Bash's histsize/histfilesize so that they can log more history commands for later review, but one small problem is that the large amount of information that history records is Load into the memory, and has been kept in memory, so waste a lot of memory, according to the statistics of 100,000 historical records probably occupy about 10MB

window of the world how do I set up the cleanup history browsing record? Many netizens have kept the habit of regularly cleaning up the history of browsing the browser, this operation can make the operation of the browser smoother, at the same time, can also prevent their own browsing privacy is seen, so, small make suggestions: every netizen should keep the use of this habit! Well, window of the world how

1. Under the Standby page, click on "Internet". 2. Click on the "bookmark" icon in the upper-right corner of the screen. 3. Click "History" on the right side of the bookmark. 4. Click the history you want to delete, and here is an example of choosing today's historical record. 5. Long record the history of the deletion until the pop-up dialog box,

Tags: style color io os using AR strong for dataSeptember 2014, Delphi Xe7 out, this time in the database technology, completely cast off from 1995Delphi 1.0 comes with the Borland database access technology. Thus declaring this continuingMore than 20 years of Delphi access to database technology into history.Throughout the 20 years of Delphi Database technology development, in fact, is also the history of Delphi. Through the database technologyChange

I do not know if you have experienced such a situation as an operational dimension:When one day your server abnormal situation, such as a file is inexplicably deleted, or a file has been tampered with, or even a security incident, and so on, then your manager found you want to find out, so you want to see the history of some unusual operation, When you finish the history command in the terminal, see the res

　　The function of the history command is to display and number the used commands. The following commands are the different operations of the history:History n shows the most recently used n commands.History-c clears the history of the current shell.history-d 801 Delete the command with number 801.History-a append the latest command to the

The History of window is a historical item object, and in the browser, the history item is stored in a history stack and operated by a series of functions such as Go ().Recently encountered a project, the main requirement is that the HTML page into the app, the app contains a webview to display HTML, and provides two buttons, a close button (Close WebView and ret

Js determines when the page cannot be rolled back (history. go (-1), close the page When creating a Web project, you may encounter a requirement. When the page does not have a pre-history record (that is, the new pop-up page, you cannot perform the goback operation, that is, history. go (-1). Click the return button to close the page. Otherwise, the page is retur