Ke Wang KevinWang15
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| #!/bin/bash | |
| # Check if both parameters are provided | |
| if [ $# -ne 2 ]; then | |
| echo "Usage: $0 <target_directory> <comma_separated_word_list>" | |
| exit 1 | |
| fi | |
| target_dir="$1" | |
| word_list=$(echo "$2" | tr ',' ' ') |
KevinWang15
/ go-get-pseudo-version.sh
Last active
July 16, 2024 14:03
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| #!/bin/bash | |
| # Function to print usage | |
| print_usage() { | |
| echo "Usage: $0 <github-repo> [branch]" | |
| echo "Example: $0 go-gorm/gorm main" | |
| echo "If branch is not specified, 'master' will be used as default." | |
| } | |
| # Check if at least a repository is provided |
KevinWang15
/ attachable.go
Created
July 4, 2024 13:10
go - attaching arbitrary data to any pointer type
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| package attachable | |
| import ( | |
| "fmt" | |
| "strings" | |
| "sync" | |
| ) | |
| // valuesAttached is a concurrent map to store values associated with pointer instances | |
| var valuesAttached = sync.Map{} |
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| # PDF to Image Grid Conversion | |
| magick convert -density 150 "your-pdf.pdf" -alpha remove -alpha off -background white -resize 1000x page_%d.png | |
| magick montage page_*.png -tile 3x3 -geometry 1000x+10+10 -background gray output.png | |
| # Some fun ... | |
| magick convert -density 150 "your-pdf.pdf" -resize 1000x page_%d.png | |
| magick convert -density 150 "your-pdf.pdf" -background white -resize 1000x -flatten output.png |
KevinWang15
/ mustconverttype.go
Created
June 19, 2024 03:49
MustConvertType converts an instance of type A to type B using JSON marshal and unmarshal.
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| // MustConvertType converts an instance of type A to type B using JSON marshal and unmarshal. | |
| // Both types A and B should have the same structure and JSON tags. | |
| // In case of error, it panics. | |
| func MustConvertType[A any, B any](input A) B { | |
| var output B | |
| // Marshal the input type A to JSON | |
| data, err := json.Marshal(input) | |
| if err != nil { | |
| panic(fmt.Errorf("failed to marshal input: %w", err)) |
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| package main | |
| import ( | |
| "bufio" | |
| "fmt" | |
| "io" | |
| "io/ioutil" | |
| "net" | |
| "net/http" | |
| "net/url" |
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| package main | |
| import ( | |
| "flag" | |
| "fmt" | |
| "github.com/golang/glog" | |
| "github.com/spf13/cobra" | |
| "github.com/spf13/pflag" | |
| ) |
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| alias setp="export http_proxy=127.0.0.1:1087 && export https_proxy=127.0.0.1:1087" | |
| alias unsetp="export http_proxy= && export https_proxy=" |
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| #!/bin/bash | |
| # crontab: | |
| # 30 */8 * * * /root/backup/mysql.sh | |
| databases=(db1 db2 db3) | |
| basepath='/root/backup/mysql/' |
KevinWang15
/ guardAgainstBadCharactersInRequest.php
Created
March 7, 2018 06:40
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| <?php | |
| /** | |
| * 如果$_REQUEST中出现可能导致sql注入的字符，就返回400。 | |
| * 需要在程序一开始的时候就运行。 | |
| * | |
| * 注意：本方法只对默认的html表单类型（application/x-www-form-urlencoded）有效 | |
| * 如果有文件上传类型的（enctype="multipart/form-data"），则不能执行本方法 | |
| */ | |
| function guardAgainstBadCharactersInRequest() |
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