replacement backspace key

Label:I. Configure the Yum source and install the readline* configuration local yum 1, Mount disc Mount/dev/cdrom/mnt/media 2, create a new local Yun source configuration file vi/etc/ Yum.repos.d/local.repo Add the following information: [local] name=local baseurl=file:///mnt/media enable=1 gpgcheck=0 then yum-y install readline* two. Download and install Rlwrap tar ./configure Make Make install three. Modify the Oracle u

Disable the back key BackSpace

Handling keyboard events prevents back key (Backspace) passwords or single-line, multiline text boxes except

04. The "accumulate" and "Calculate" functions are implemented. The textbox does not allow the input of any character other than a number, but does not include the backspace key. The first value is not allowed to be 0, and the textbox does not. Private void button#click (object sender, EventArgs e) {double number1, number2; if (double. tryParse (txtNumber1.Text, out number1) = false) {MessageBox. show ("Inc

This article describes the JavaScript ban back key (Backspace) instance code, the need for friends can refer to the 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.r

1. Installation of Ubuntu 9.04, found in the edit mode backspace backspace can not be used, very inconvenient.The original vim default is VI compatibility mode, set to incompatible mode is good:: Set nocompatibleYou can use Help to view the related settings.: Help CP: Help compatible2. After opening an existing file, the characters in the file cannot be deleted with the

Tags: environment inf div using ls-l delete pictures etc TTYDelete IssueInstall Kalilinux When you use a normal user, pressing the BACKSPACE key does not implement the delete function.There are two ways to solve this problem.A change of shortcut keys:Use the Ctrl+backspace key combination to implement the DELETE functi

In Linux use Sqlplus you will find: Backspace key can not be used normally (garbled), on the flip button can not normally display the historical function, very annoying! In order to let the backspace bar and the rollover key in Sqlplus normal play its role, we must install a software-rlwrap 1. First, download the ins

Newly installed Ubuntu, using VI to edit the file, found that delete can not be deleted as normal text.Workaround, New installation vim solves the problem.Reference article: http://blog.sina.com.cn/s/blog_7d0c2fed01010zbi.htmlThe problem is that the new system is directly installed VI, not installed VIM. Because VI is not able to press backspace directly to delete characters, so when you use backspace

Screen the right mouse button, CTRL + N, SHIFT+F10, F5 refresh, backspace key function KeyDown () { if ((Window.event.altKey) ((window.event.keycode==37) | |//Shielding ALT + Direction key ← (window.event.keycode==39))) {//Shielding ALT + Direction key → Alert ("You are not allowed to use ALT + arrow keys forward or b

Problem: Connect to the spark cluster remotely with SECURECRT, start Spark-shell but find the wrong command but can't delete it with backspace key.Workaround:The first step:Select the Options button in the SecureCRT menu bar and select "Session Options" in the pop-up optionStep Two:In the popup dialog, select "Emulation" on the left, then "emulation" and select "Linux" in the right terminal (terminal) selection.Step Three:After you save the settings,

Environment: VirtualBox4.1 + RedHat Linux 6 Question: Press the BACKSPACE key to appear the question mark As shown in the figure: Problem Analysis: Misuse of Reset command. Solve: Setting the environment variable (set in the text interface, which is similar to the Windows DOS interface): Under Bash, execute the following statement: $ stty Erase ^? or add Stty erase ^? to the. Bash_profile. Under C

The following is a JS fragment tested in Ie9,firebox 10.0.2: Copy Code code as follows: $ (document). KeyDown (function (e) { var doprevent; if (E.keycode = = 8) { var d = E.srcelement | | E.target; if (d.tagname.touppercase () = = ' INPUT ' | | d.tagname.touppercase () = = ' TEXTAREA ') { doprevent = D.readonly | | d.disabled; } Else Doprevent = true; } Else Doprevent = false; if (doprevent) E.preventdefault (); }); Code on how to determine the

Assign values to the model using a dictionary and support replacement of map key values This is an upgraded version of yesterday's tutorial, supporting map replacement of key values. The source code is as follows: Nsobject + properties. h and nsobject + properties. m /// Nsobject + properties. h /// created by youxian

Android Soft Keyboard event listener enter keyThe interface of the software disk is replaced with only one attribute android:imeoptions, the value of this property can be Normal,actionunspecified,actionnone,actiongo,actionsearch, Actionsend,actionnext,actiondone, for example, the Enter key appearance becomes a down arrow when the value is Actionnext, and the ENTER key looks like a "complete" two characters

The return key in the lower right corner of IOS has many forms, such as sending, wrapping, and so on, after following the proxy.-(BOOL) Textfieldshouldreturn: (Uitextfield *) textfield{returnYES;This method, the system default return key word is newline, we can modify the system return when creating TextField promptTextfield.returnkeytype = Uireturnkeydone;?As shown in the image on the right (this is the En