Tags: Error:rpmdb open failed solutionJust to write a blog about yum, I used yum-h in my CentOS7 operating system to make a copy of the information in the details of Yum, as I accidentally copied the contents of the yum-h inside to the shell command line, this is unfortunate, and constantly have Yum ...... command appears, so I continue to use the CTRL + C shortcut key to terminate the operation, when all operations are terminated, the following probl
Tags: clip background deb body CLI double-click Self-boot class noEvery time you modify the background code save is always self-starting service is time-consuming, the following settings can solve your troubles:Double-click the item you want to set;Click OK, and the last ctrl+s will be done.At this time, you can modify the background code casually ctrl+s will not restart the server. The Blh,service layer co
1, open the Control Panel, turn on the control Panel clock, language and regional language, and then click the "Language" settings interface to the left of the "Advanced Settings", open the "Advanced Settings" interface. As shown in figure:
2, click the "Switch Input Method" Settings area under the "Change the Language bar hotkey", open the "Text service and Input Language" window, in the "Key input language" area to select "Between the input language", and then click the "Change Key Ord
The example in this article describes the way jquery implements Ctrl+enter submitting a form. Share to everyone for your reference. as follows:
I hope this article will help you with your jquery programming.
Method 1: Change the/etc/inittabShieldingCa:12345:ctrlaltdel:/sbin/shutdown-t1-a-R NowOr delete a diverted contentSave exitApplicable object: RedHat4.8 RedHat 5.4 RedHat 5.5Method 2: Change the/etc/init/control-alt-delete.confEdit/etc/init/control-alt-delete.confShieldingStart on Control-alt-deleteExec/sbin/shutdown-r Now "Control-alt-delete pressed"Save exitor save changes to document {recommend using the following methods in shell scripts}#\mv/etc/init/control-alt-delete.conf/etc/init/control-
Refer to some foreign websites, forum code, get the following synthesis, the above environment test through, copyright belongs to the original author.
Add a checkbox named chkdisable.caption= "disable Alt-tab, Alt-esc, Ctrl-esc,lwin,rwin,win+any"
To a new from named Frmmain.frm in new project Hook_kb_ll.vbp
Add code below:
Option Explicit
Dim HHKLOWLEVELKYBD as Long
Private Sub Chkdisable_click ()
If chkdisable = vbchecked Then
HHKLOWLEVELKYBD = SetWi
performaction () to the plug-in to ensure that the plug-in is called internally. The plugin then starts to listen for keyboard events, and when you press a key in the KeyDown keyboard, it is determined that if you press the ENTER key and the CTRL key, the Performaction () is invoked and the default carriage return wrap behavior is blocked. Then we should also tie the Click event Call Performaction () on the button, so that you can also submit the con
js| Right button
Some Web pages prohibit the use of the right button and copy function, and even the CTRL key is also prohibited, this effect is how to achieve it? In fact very simple is called a section of JS code just.The following text box is the code needed to implement the effect:
function Click (e) {if (document.all) {if (event.button==1| | event.button==2| | event.button==3) {Oncontextmenu= ' return false ';}}if (document.layers) {if (E.which =
1, monitoring the TEXTAREA onkeydown events
Copy Code code as follows:
2, send the form, then reload the opener window (see 4,)
function Sbfrm () {
var Contenthf=document.getelementbyid ("CONTENTHF");
var Txtar = contenthf.getelementsbytagname ("textarea") [0];
if (txtar.innerhtml = = "") {
txtar.focus ();
return false;
}
Contenthf.submit ();
Window.opener.afterReload ();
return false;
}
3, when the CTRL key is pres
Refer to some foreign websites, forum code, get the following synthesis, the above environment test through, copyright belongs to the original author.Add a checkbox named chkdisable.caption= "disable Alt-tab, Alt-esc, Ctrl-esc,lwin,rwin,win+any"To a new from named Frmmain.frm in new project Hook_kb_ll.vbpAdd code below:
Option Explicit
Dim HHKLOWLEVELKYBD as Long
Private Sub Chkdisable_click ()If chkdisable = vbchecked ThenHHKLOWLEVELKYBD = SetWindows
As a famous SSH client, securecrt is often used to log on to a remote server. Edit the text above, especially when you use VI to open two texts, and you need to switch between them, it is easy to get stuck and cannot accept any keyboard input. Very depressing. Every time I encountered this problem, I had to turn off the session and open another one. This time I met again, but I couldn't help it. I tried to solve it.
When you switch the text "Ctrl + W"
like you find a box of milk that has expired, so ask others, can not drink, if others say yes, you drink it, if others say no, then you have to find another box of fresh milk.As for F5 Refresh, its HTTP request message header is as follows:Host 192.168.3.174:8080User-agent mozilla/5.0 (Windows NT 5.1; rv:5.0) gecko/20100101 firefox/5.0Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8Accept-language zh-cn,zh;q=0.5Accept-encoding gzip, deflateAccept-charset gb2312,utf-8;q=0.7
In Ubuntu, stop using the "Ctrl", "Alt", and "Delete" keys. Specific Practices: 1. turn on/etc/inittab2. find one of the rows: ca: 12345: ctrlaltdel:/sbin/shutdown-t1-a-rnow3. delete this line, or add the # sign at the beginning of this line. 4. After saving the file, restart the system. If you do not want to restart, run the following command: # in
In Ubuntu, stop using the "Ctrl", "Alt", and "Delete" key
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