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Show the line time of the history commandThe environment here is centos5.8[Python]View PlainCopyprint? Vim ~/.BASHRC or ~/.bash_profile Increase Export histtimeformat="%F%T" One session is executed first.[Python]View PlainCopyprint? Export histtimeformat="%F%T" And then you can use the history command.[Python]View PlainCopyprint? # History 500|grep Get_charge_by_month 1002 2014-09-: : History-500|grep get_charge_by_month /c5> 1005

, the following method will show you how to put the Naautilus file Manager in the Address bar from the button to restore text mode.The address bar cannot be entered, use the shortcut key ctrl+lLook, there's the address bar.1. If you want to switch to text mode temporarily, just use the shortcut key ctrl+l, press ESC to return2. Always in text mode, then open Gconf-editor, press ALT + F2 to typeGconf-editorAccess: Apps > Nautilus > PreferencesHook the always_use_location_entry on the right.Type G

1. If you have already created a startup file, directly modify the Exec property exec=env ubuntu_menuproxy=0/job/android/adt-bundle-linux-x86_64-20140702/eclipse/ EclipseAdd the env ubuntu_menuproxy=0 to the original attribute and then separate it with an open one.2. If not created, enter the command: sudo gedit/usr/share/app-install/desktop/eclipse.detop create a new startup file,Input content:[Desktop Entry] Name=eclipsecomment=eclipse ideexec=env ubuntu_menuproxy=0/job/android/adt-bundle-linu

One: Method 11: Open terminal　　　　　　2: Drag the folder into the terminal.　　　　3: The path is displayed.　　Second, Method 21: Show full path(1) Open terminal (Application-and utility) and enter the following two commands:Defaults write Com.apple.finder _fxshowposixpathintitle-bool true;killall Finder　　(2) Results　　2: Restore default state, do not show full path(1) Open terminal (Application-and utility) and enter the following two commands:Defaults write Com.apple.finder _fxshowposixpathintitle-bool

Win8.1 system The lower right corner of the network icon shows "unrecognized network" how to resolve First, dial-up Internet access Direct dial-up access to this fault, for the machine can not obtain IP address (broadband connection is using the PPPoE protocol connection extranet, the local connection is using the TCP/IP protocol.) The physical connection to the local connection is correct when dialing, but it is possible that the LAN IP assigned

Win7 system always shows "software application is not compatible" How to do? 1, first, find the system prompts the computer is not compatible with the software program icon, and then right click on the icon, in the Slide menu to choose Compatibility Troubleshooter, click, the system will automatically start testing, need to wait for some time. 2, after the pop-up window, in the "Select Troubleshooting" click on the proposed settings, and then

Win7 Computer boot screen shows no signal how to do? Below, small make up a detailed introduction! 1. First of all, we need to make sure that the monitor is normal, if the monitor is normal, then it is possible that the data cable is in the wrong location, because some computers are dual graphics cards, there may be errors in the situation. 2. If it is a desktop computer, we recommend that you move the host out, reconnect the data line bac

It can be said that in the ghost Win7 64-bit flagship download, network connectivity is definitely a very difficult problem for us, many times, the network connection failure will make us feel very headache, do not know the reason, do not know how to solve the fault, of course, will not be able to use the computer normally. As a friend in our forum mentioned today, the network connection in the Win7 computer shows an unknown state, what is the cause o

The internet is now deeply in every aspect of life, but most of us are afraid to encounter "recognition" when the computer is connected to broadband. Often play computer students know that the above four words on behalf of the network connection is not successful, so there is no need to sit silly and so on, we must find a solution, the following small series for everyone to bring the " Fresh "simple solution. These methods only need to move the finger, do not need to find solutions everywhere on

DOCTYPE HTML>HTML> Head> MetaCharSet= "UTF-8"> title>title> styletype= "Text/css">Div{Border:1px solid White;width:500px;Height:350px;margin:Auto;text-align:Center; } style> Scripttype= "Text/javascript"src=".. /js/jquery-1.8.3.js "> Script> Scripttype= "Text/javascript"> $(function(){ $("#btn"). Click (function(){ $("#img1"). Toggle (); }); }); Script> Head>

Ubuntu Terminal shows the path name is too long how to modify? Ubuntu default terminal, after entering many levels of the directory, the previous prompt will show the full path, so that the command line is too long, people feel uncomfortable, now teach you a way to modify the command line to display only the last level of directory name, so it looks good, You can see the full pathname with PWD. 1, find the configuration file for backup first:

Win7 system my WiFi feature shows disabled status cannot be enabled How to do? Let's look at the detailed solution together. Workaround: 1, first check the Device Manager, and then directly open the Microsoft Virtual Wifi miniport Adpter. If you have Microsoft Virtual Wifi miniport Adpter#2, you should also open it in time; 2, open my WiFi function, the wireless of this machine should be opened in time. If the computer has been connec

Whether the tube is new or changed is not possible. It's no use to change from 31 straight to version 10. The new files are all the same, and the text is very tightly displayed. The forum actually does not support picture format. There are still some depressed. Do you have any changes to the character spacing settings of the selected font according to the Daisy? Does the problem only appear in PowerPoint? As the following illustration shows,

MathType formula shows how a question mark solves 1. Double-click the formula to show the problem into the MathType edit page, click "Preset"-"Formula preset"-"Save to File", enter the name of the file, and save to a certain path. Save a formula as a file in a preset 2. Under the MathType menu in Word, select format Formula equation--mathtype formula option (MathType preference file), and click Browse. Select the file you just saved and chec

PS: English name process, the meaning of progress.1. Command format:ps[选项]2. Frequently used options:"ps -a" 显示一个终端的全部进程。除了会话引线"ps -e" 显示全部进程"ps -f" 全部列出，通常和其它选项联用"ps -u" 选择有效的用户id或者是username"ps -x" 显示没有控制终端的进程。同一时候显示各个命令的详细路径最经常使用的组合："ps -aux" 显示全部包括其它使用者的进程3. Frequently used examples查看名为tail的本机进程，并关闭该进程Note: PS has a very good number of references. The online case is also very rich, and this article only lists the "Find and kill process" cases that have been used frequently in normal

To set up in Eclipse, you can display the Quick launch on weekends and resolve the issue where eclipse does not display a list in the Ubuntu high version by clicking on the menu bar item:Create a Eclipse.desktop file under the Usr/share/app-install/desktop directory, such as the following command:sudo gedit/usr/share/app-install/desktop/eclipse.desktopIn this file, enter:[Desktop Entry] Name=eclipsecomment=eclipse ideexec=env ubuntu_menuproxy=0/job/android/adt-bundle-linux-x86_64-20140702/eclips

box, click to clear the Always ask before opening this file check box. Method Five: Right-click the CHM file, and then click Properties, click Unlock. Double-click the. chm file to open the file. I encountered the problem is that some CHM file can not be opened, using method Five, a smooth solution.Tip: CHM means Compiled HTML. The file icon with the CHM extension is usually a document icon with a question mark, representing the Help document, a file that Microsoft has provided since Windows 98

import matplotlib # Specify default font matplotlib.rcparams[ font.sans-serif ' ] = [" simhei " ]matplotlib.rcparams[ " font.family ' ] = " sans-serif ' # resolve the minus sign " -' display as a block problem Matplotlib.rcparams[ " axes.unicode_minus "] = False Python drawing shows Chinese garbled characters

1, $ ("#demo"). attr ("style", "display:none;"); /Hide Div$ ("#demo"). attr ("style", "display:block;"); /Show Div2, $ ("#demo"). CSS ("display", "none");//Hide Div$ ("#demo"). CSS ("Display", "block");//Display Div3, $ ("#demo"). Hide ();//Hidden Div$ ("#demo"). Show ();//Display Div4, $ ("#demo"). Toggle (//dynamic display and hidefunction () {$ (this). attr ("style", "display:none;"); /Hide Div},Function () {$ (this). attr ("style", "display:block;"); /Show Div});Note:$ ("#demo"). Show () rep

this is optimized, you will feel that this is a very inappropriate practice. So, it's easy to get a conclusion: to release this parsing of 1 JSON files before populating the data and adding binding operations! Idea: Resolve only the minimum number of child nodes (or controls, especially pages) that can be displayed (this is now necessary because the same child node can have only 1 root nodes), The parsed node (widget) is then uniformly placed in a data structure (such as queue or array-on-deman