1. On the right side of the keyboard a few keys to the lower left corner marked with numbers, as shown below:
2. When the digital keyboard is turned on, press the keyboard "U" "I" "O" and so on the letter key, will correspond to appear "4" "5" "6" and so on digital display.
3. By pressing the Samsung shortcut key "FN" + "F11" can turn off the numeric keypad
We can start the OS X system dictation function by pressing the FN key in two. But there may be a lot of people who don't know that we can do it by voice command, and by default we can start the OS X system dictation by pressing the FN key on the Mac keyboard, but there may be a lot of people who don't Know, we can use voice command to implement hands-free dictation, let's look at the specific steps.
Tags: conf virt ble firewall open firewall art/etc relatedView, turn off, and turn on firewall commands under Linux1) Permanent, no recovery after rebootOpen: Chkconfig iptables onOFF: Chkconfig iptables off2) immediate effect, failure after rebootOpen: Service iptables startClose: Service iptables stopIt should be sta
Linux users often use the SCP and SFTP commands when they are transmitting remote files. But these two commands also have some risks for our computers, so we can turn them off when we don't need to transfer files remotely. So how do you ban the SCP and SFTP? Here is the concrete method.
SFTP is a se
operator interface to enter the console character operator interface. This means that you can have X-window plus 6 console character interface, this is a very exciting thing Ah!How do I get back to the X-window in the console character operator interface? Very simple, press "ALT+CTRL+F7". At this point, Linux opens 7 screens by default, numbered Tty1~tty7. After the X-window is started, the Tty7 screen is occupied, and the Tty1~tty6 is still the character interface screen. In other words, the "
Mac users know that every time the computer is turned on or restarted, there will be a very special boot tone. If you want to temporarily prohibit the start-up tone, one way is to always hold down the keyboard mute button, of course you can also use the following method of using terminal commands:Open the terminal, enter the following command and return, to disable the boot tone:sudo nvram systemaudiovolume=%80We will then need to enter the administrator password. This will then be completely mu
Mac users know that every time the computer is turned on or restarted, there will be a very special boot tone. If you want to temporarily prohibit the start-up tone, one way is to always hold down the keyboard mute button, of course you can also use the following method of using terminal commands:By Spotlight Search and open the [terminal] program, then enter the following command and return, to disable the boot tone:sudo nvram systemaudiovolume=%80We will then need to enter the administrator pa
]$ kill 18288 [[emailprotected] data]$ ps-ef | grep pmon mongo 18304 17574 0 06:13 pts/1 00:00:00 grep pmon
Note: You can use the KILL command of the operating system to send a SIGINT or SIGTERM signal to the mongod process.That is, "Kill-2 pid," or "kill-15 pid".It is not recommended to use "kill-9 pid" because if MongoDB is running without logging on (--journal),may result in data loss. Five referencesHttp://www.mongodb.org/display/DOCS/Starting+and+Stopping+Mongohttp://docs.mo
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