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ORACLE11GR2 RAC cannot connect to the database using scan IP, error ORA-12545: Connection failed because the target host or object does not exist Phenomenon: The Windows Client Sqlplus tool uses scan IP to not connect, and the error is as follows:

Activating the operation method is also very simple, we just click the following length of the home can be spoken to activate. So if we're going to activate Siri, we just say "Hey Siri" to the phone. So you'll find that it's activated, so let's

Li Fiel Introduction Li Fi son, also known as Li Fi, October 3, 1987, was born in Liaoning, mainland China actress, graduated from the North-South International Performing arts specialized School. 2008 due to starred in the huangxiaoming version of

　First, restore network settings Sometimes because of the network settings problems caused by the inability to connect, you can try to restore the network settings, on the iphone, turn on the set → general → restore Into the

ios9.0-9.0.2 Perfect Jailbreak picture and text tutorial First, iOS9 jailbreak did not install plug-ins/software Cydia Flash-back solution: This may be a jailbreak failure, we can through the DFU mode brush machine and then the cell phone

3D Touch, Apple iphone 6s new features, looks similar to the right button on the PC. There are two new gestures of peek Pop. [1] September 10, 2015, Apple announced the 3d-touch function at the new product launch. 　　3D Touch Info dialog box

To the photographic enthusiasts for detailed analysis to share the Canon G16 camera and Canon 650D camera performance comparison. Analytical sharing: Canon G16 is equipped with an optically variable Gio Shi image viewfinder and a

For the users of the U.S. Mito software to share the details of the photo plus movie subtitles method. Method Sharing: First step: Use the computer beauty Mito to open the artwork that needs to be processed. Step two: Crop the

1 in the iOS7 interface click "Settings"-"Cellular mobile network" 2 in the "Cellular mobile network" settings, you can open the cellular mobile data through the phone card to the Internet, you can also open the 3G network here, followed by cell

Q: Number 17th is scheduled to start this morning 5s, in the afternoon with QQ video chat, the other side said is the flower screen, after their own use Lpad and computer video detection is a flower screen, I use Lpad screenshot, I hope to have 5s

Sometimes you can see that you use three equals (= = =) To determine whether two objects are equal, and what is the difference between a two equals sign (= =)? In simple terms, if you use "= =", if the two sides of different types, JS engine will

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"

First step Open mobile phone QQ, and then we find to see the chat record QQ friends. Second Step Then we click on the "People" icon in the upper right corner of the QQ chat interface and open into Third Step

1) as shown in the figure after we open the only product will see a "three" click on it to open to find the "personal center." (pictured below) 2 in the Member center you will see that there is a "only customer service" and then we click

1. We slide to the main screen of the mobile phone to find the components we want to add to the main screen, and then two fingers are diagonal to the middle part of the figure as shown below.2. Then we click on the "small pieces" in the image below.

1 We first determine the use of the iOS8 system and iOS has opened the Touch ID unlock function, now we click on the QQ "settings", "Set"-"device locks, account security" and then find "gesture, fingerprint lock" into. (as shown in the following

Let's give you a detailed analysis of the Illustrator software and share a tutorial on creating a simple online shopping cart icon.Tutorial sharing:1. In the Ai software, create a 800*800 document, select the elliptical tool, hold down shift to draw

Drush is an essential tool for every Drupal developer. I have also written other articles about Drush. You can search for "drush" in the search box in the upper-right corner of the website ". The previous articles are basically introductory, such as

Step 1: ask the customerThe customer puts forward "basic requirements" for website construction by phone, email, or online order ".Including: 1. Company introduction; 2. Topic description; 3. Basic website function requirements; 4. Basic Design

The solution is as follows:1. Click application on the standby page ].   2. Click set ].  3. Slide the screen up and select application manager ].4. In the "Application Manager" menu, there are a lot of apps you downloaded. Here you find the