I need to convert a color jpg png map to a monochrome bitmap (not wbmp, in the GD library, but bmp), similar to the windows drawing tool: : : now we need to use php code to implement it. Do you have any ideas? Or ready-made wheels? Ask for advice...
when using the imagick plug-in to process PSD files, the speed is particularly slow and the memory footprint is relatively high. Slightly larger PSD files directly fill up memory. for example, a 1-gigabyte PSD directly takes up 3-4 gigabytes of memory. ...
official link: http: php.net manual zh imag. when using Imagick::mergeImageLayers to merge PSD layers, there is confusion in filling in the first parameter int $layer_method . although most of them can achieve the effect of merging layers, I sti...
for example, this is a PHP package, to compress the picture, very simple two sentences, do not care about the format and form of the picture (url,base64, file), go has a more popular picture processing package, recommend it, thank you! found a pack...
after PayPal sandbox payment is tested, there is no transaction record or callback. It is not possible for sandbox account to create two additional test accounts, no transaction record and no callback notification. you can open the sandbox payment pag...
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is the rollback of the transaction a failure of sql execution or a success of sql execution, but will be rolled back if the number of rows affected by additions, deletions and changes is 0? ...
problem description to realize the communication between react components through react-redux and redux, reducer, action and store are all written correctly, and mapDispatchToProps can also pass values correctly. Only the function of mapStateToProps i...
vue draws the flow chart of activiti ...