data compression book

How IDs Storage Optimizations work IDS storage optimization takes into account the entire row and all of its columns (in addition to storing column data, such as BLOB data, that is outside the row as a byte string). IDs then looks for recurring patterns, storing these patterns as symbols in the compression dictionary, as shown in Figure 1. Figure 1. Patterns st

iOS uses the photo picker (uiimagepickercontrollerdelegate) to save to the data library, the image compression First look at the Uiimagepickercontrollerdelegate protocol, mainly using iOS-built graphics to select the controller -(void) Imagepickercontroller: (Uiimagepickercontroller *) Picker Didfinishpickingmediawithinfo: (nsdictionary *) info Get a picture

　　Print data Acquisition (compression) Failure solution: 1, first check the C:windows folder, there is no temp folder, if not, you need to create a new one; 2, the mouse right click Win7 System desktop Larks icon, select "Run with administrator rights" try; 3, if not, then generally you are WIN8 system, you look at the C:windowstemp folder-> the right mouse button-> Properties-> security, user/(your Wind

　Print data Acquisition (compression) Failure solution: 1, check the C:windows folder, there is no temp folder, if not, you need to create a new 2, Desktop Larks icon-> the right mouse button-> run with Administrator privileges 3, if not, then generally you are WIN8 system, you look at the C:windowstemp folder-> the right mouse button-> Properties-> security, user/(your Windows user name) is not "modifie