initial conditions 1. 2.() desired effect 3.php 4.html css repeat ...
my code uses the image of the target path as the watermark. How to change it to the user name of the uploader as the watermark? The user name tag is [ attach_name ] if ($upload_data[ is_image ] == 1) { foreach (AWS_APP::config()...
here is my code to convert a web page to pdf through html2canvas.js and jspdf.js pdf () { let that = this this.loading = false html2Canvas(this.$refs.pictureData).then(canvas => { var contentWidth = canvas.width; var contentHeight = canvas...
as mentioned above, when docker, is installed under ubuntu, there is a lack of permissions at the beginning of startup, and then switch to root to start. It is found that there is no error after startup, but the docker service is still not started. I ...
there is an online version and development version of Mini Program on my mobile phone. generates a small program code of the Mini Program through interface B ( https: developers.weixin.qq.). Scan the small program code all the way into the online versi...
larvel project, local development, upload cloud warehouse, pull remote warehouse directly on the server. after the sudden discovery of, git status today, it prompts your branch is ahead of origin master by 5 commits. to compare the commit id, with...
when using pandas for file writing, if the original sheet already has data, the newly written data is overwritten on the original data without deletion. For example, there are 4 rows of data originally, and I want to delete one row. After read is datafr...
ask a question about Linux pipes for example, the command cat a.log | head if the a.log size is 1T, how is this command executed? how does the program cat execute after head prints the first ten lines? where is the data that is not written to the p...