In fact, said disable is not completely disabled, the back key in the browser defaults to click the Back button, as long as the normal text input can also be used, in other cases the BACKSPACE key is banned. See jquery Implementation code:
Copy Code code as follows:
$ (function () {
function Dokey (event) {
var ele = Event.target;
var elename = Ele.nodename;
var flag = true;
if (elename== "INPUT" | | elename== "TEXTAREA" | | elename== "
Tip: You can modify some of the code before running
js Typewriter effect and - > to--> ; Body onload= "Textticker ()" > and
fill in messages
Tip: You can modify some of the code before
Reprint please indicate the source 233:http://blog.csdn.net/vmurder/article/details/42875307
This is a divine question.
First we need to build an AC automaton and then build a fail tree, and then find
If you ask a string how many times it appears
Train of thought: 1. Create a dynamic text box first with AS, for output text;
2. Use a timer to accumulate output the next character at intervals.
As code layer:
_root.createTextField("output", 1, 0, 0, 500, 400); var txt_f:TextFormat = new
Implementation effect:
Implementation principle:
Read the code in HTML,
Then skip the code between "",
The format of the content is saved by the way
And then a timer, output by one.
Basic knowledge to use:
jquery has two methods for
In fact, disabling is not completely disabled. By default, the back button is clicked in each browser. As long as normal text input can be used, the back button is disabled in other cases. Let's look at the jquery implementation code:Copy codeThe
1. shielding function
1.1 shield all keyboard keys
1.2 Right-click the screen
Add oncontextmenu = self. event. returnvalue = false to the body tag.
Or
Function nocontextmenu (){If (document. all ){Event. cancelBubble = true;Event. returnvalue =
From: http://hongzhguan.iteye.com/blog/1479563
Solution 1:
Problem:
In ubuntu, the direction keys cannot be used when VI is being edited, and the return keys cannot be deleted.
Solution:
You can install the vim full version. In the full
screen Mouse right button, CTRL + N, SHIFT+F10, Alt+f4, F11, F5 refresh, backspace key screen right mouse button, CTRL + N, SHIFT+F10, Alt+f4, F11, F5 refresh, backspace key
[Ctrl + A All SELECT Note: If the need to introduce external
The difference between Linux and Windows return line break
source of the problem: "Carriage return" (carriage return) VS "line feed"Before the computer appeared, there was a gadget called a telex typewriter (teletype Model 33) that could play 10 characters per second. But it has a problem, that is, when the line is finished, it will take 0.2 seconds to hit two characters. If there are new characters coming in this 0.2 seconds, then this character wil
timelineClick "window> Timeline", open the timeline panel, and click "Create Video Timeline", as shown in the following figure.Then we came to the layer panel. What we actually do here is a "pseudo-typewriter animation", which is also related to the visual persistence phenomenon, therefore, the method described here is "moving the mask position ".Therefore, when you select a text layer, click "layer> layer
not change the current active position (activeposition). The active position refers to the display device (monitor, typewriter, printer, etc.) showing the position of the next character. Take the display as an example, the active position is the position where the cursor is located, the output \a does not cause the cursor to move position.
\b,\f,\ n,\ r, \t, and \v are output device control char
, the embedded system of the corresponding program should complete the task is:
The launch of their own information, process information to the initiative to run a super terminal host;
Returns the received character to the host (that is, echo), either sending the required or remotely managing the server.
Three, super Terminal common operation
Super Terminal application is relatively simple, and the general serial port software almost.
1, send 0x0c (12): Clear screen;
2, send 0x08 (8): The
combinations are not reachable. And in the case of the editor, the combination is even infinite! In the version I'm working on now, although there is only one argument to the string, it is enough to cause an infinite state. So......Should be seen in the same state.I think of the "regression", more precisely, "equivalence division." Consider several or even infinitely multiple states as the same state. In the editor, all edits are in the same state. When the cursor moves around, the cursor in th
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