replacement backspace key

Ext Implementation Method://Method OnevarKey =NewExt.keymap (document,{key:8, fn:function(obj,e) {varType =E.target.type; varReadOnly =e.target.readonly; if(Type! = ' text ' type! = ' textarea ' type! = ' Password '){//E.preventdefault ();e.stopevent (); }Else if(readonly) {//E.preventdefault ();e.stopevent (); }}, Scope: This});//Method TwoExt.getdoc (). On (' KeyDown ',function(e) {if(E.getkey () = = 8 e.gettarget (). Type = = ' text ' !e.gettarg

The teacher assigned each of us an Ubuntu virtual machine, said to do the experiment. I certainly do not mind, my favorite is Ubuntu, but for some of the unfamiliar to Linux students, may be a very difficult experimental process.The teacher wants us to edit some files under Ubuntu, which involves the VI editor. In Ubuntu, the initial use of the VI is a problem, that is, when using the arrow keys in edit mode, does not make the cursor move, but in the command line appears [A [B] [C [d] letters, a

First, the editor/etc/vim/vimrc.tinySince the owner of the/etc/vim/vimrc.tiny is the root user, the file must be modified under root privileges. Very simply, the penultimate sentence in this file is "set compatible", as follows:Changing the "compatible" to "nocompatible" non-compatible mode solves the problem of the direction key becoming ABCD. The next problem to solve the backspace

Recently because to play tensorflow, so the dusty ubantu to open, but configure the network time, is a mess, appeared in the insert mode, the input direction key can not move the cursor but become garbled; backspace key can not delete characters, can only move the problem of the cursor. Really be engaged in the "burn". Later found a good article finally solved th

Ubuntu 9.10 is newly installed. To better use Ubuntu, You need to configure it better. ---------------------------------------- I am used to centos, so it is not suitable to add the sudo when using Ubuntu, And the folder access There are also restrictions, so I think using the root account to log on, the method is as follows:Sudo passwd root can set the password for the root user twice.---------------------------------- Ubuntu VI does not support direction keys and

In doing the company's CMS when some of the problems of JS, which is in the page is not in the input box in the Back button [backspace key] When the page will jump to the previous page, but the previous page load failed, said the session has expired, The problem description ends here. Solution: The first instinct is to search the internet for answers, but the results are not ideal. The second on the for

There are a lot of web site to solve this aspect, I am easy to read for my own future, so simply write down.Installing the ReadLine library solves the problem.Workaround:1. When we installed the ReadLine library, we were prompted to have the ReadLine library, but Python is still not working properly. This is due to the lack of a readline development package.2.yum-y Install readline-devel.x86_643. Recompile install python (centos6.6 upgrade Python article), problem solved.The ARROW

A project was submitted last week (used internally), together with a bug, said to disable the BACKSPACE key (BACKSPACE or call Back button), because this and his habits are not the same, fearing that if the text input half, he pressed the backspace key, the whole page of the

Users who use Ubuntu13.04 may find a detail. In Ubuntu13.04, the return function of the rsquo; Backspace rsquo; key is gone. No movement is made when pressing the rsquo; Backspace rsquo; key in Nautilus/Thunar or Firefox (normally, the return function should be used) at first, I thought it was an aftereffect for up

How does js disable the Backspace key to bring the browser back? jsbackspace In the project, if you press the Backspace key to bring the browser back, several solutions are not ideal. Therefore, the wisdom of the masses and the wisdom of the family are summarized as follows: 1. Define the method to block

Found today in IE browser, when using the readonly= "ReadOnly" property to set the text box to read-only The code is as follows:1//Handling keyboard events prevents back key (Backspace) passwords or single-line, multiline text boxes except2functionBanbackspace (e) {3var ev = e | | window.event;//Get Event Object4var obj = Ev.target | | Ev.srcelement;//Get Event Source5var t = Obj.type | | Obj.getattribute (

Copy Code code as follows: function Banbackspace (e) { var ev = e | | window.event;//Get Event Object var obj = Ev.target | | ev.srcelement;//Get Event Source var t = Obj.type | | Obj.getattribute (' type ');//Get Event Source Type Get the event type as a criterion var vreadonly = obj.readonly; var vdisabled = obj.disabled; Handling Undefined values Vreadonly = (Vreadonly = = undefined)? False:vreadonly; vdisabled = (vdisabled = = undefined)? true:vdisabled; When you hit the

OracleDatabaseforLinux does not support the backspace key. Oracle Database for Linux does not support the backspace key. Method 1: When you want to use the backspace key, press ctrl + bac