Course Elementary  21005

Course Introduction：Use PDO mode (PHP data object) to connect and select databases (unified operation of various databases), execute SQL statements and process result sets

Course Intermediate  11358

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Course Advanced  17659

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Course Introduction：The method of covering and locking a layer to another layer in PS is: 1. First select a layer, hold down the left mouse button, drag it to the top of another layer, and release the mouse; 2. Then Select the moved layer and click the [Lock] tab to complete the layer locking.

2020-01-04 comment 0  30997

Course Introduction：How to use ps layers: first create a new canvas, click the window menu, click layers, open the layers panel; then create a new blank layer, and do not display this layer temporarily; finally add a mask to this layer, Use black and white brushes to modify layers repeatedly.

2019-04-08 comment 0  25149

Course Introduction：ps layers and cuts

2016-09-03 comment 0  2203

Course Introduction：How to delete a layer in PS: 1. Select the layer and execute the "Layer" - "Delete" - "Layer" command. 2. Right-click on the layer and select the "Delete Layer" item. 3. Select the layer and press the "Delete" key. 4. In the "Layer" window, select the layer and click the "Delete Layer" button.

2021-04-25 comment 0  39375

Course Introduction：1. First open the sai software, open the image in the file, and click New Layer. 2. Then hold down the shift key and select the layers you want to merge. 3. Finally, click Merge selected layers, and the selected layers will be merged successfully.

2024-04-08 comment 0  860