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How to do a regular expression replace in MySQL?

I have a table with ~500k rows; varchar(255) UTF8 column filename contains a file name; 13 Answers ...
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开源跳板机(堡垒机)Jumpserver v2.0.0 使用说明 - 开源 & Github - 清泛网 ...

...手动为该用户授权,授权完成后点击确认,嘿嘿 6.4 上传文件 上传下载 -- 文件上传 填写ip地址,多个ip逗号隔开,将需要上传的文件或者目录拖拽上去,点击全部上传,上传文件在服务器的/tmp目录下,去看看吧 到此基...
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How do I read the contents of a Node.js stream into a string variable?

...ect) stream.on('end', () => resolve(Buffer.concat(chunks).toString('utf8'))) }) } const result = await streamToString(stream) share | improve this answer | follow ...
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__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术

...printf, 1, 2))); 如果带有该属性的自定义函数追加到库的头文件里,那么所以调用该函数的程序都要做相应的检查。 和非GNU编译器的兼容性 庆幸的是,__attribute__设计的非常巧妙,很容易作到和其它编译器保持兼容,也就是说...
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Search text in fields in every table of a MySQL database

...A LARGE SERVER SELECT CONCAT('SELECT CONVERT(',A.COLUMN_NAME, ' USING utf8) FROM ', A.TABLE_SCHEMA, '.', A.TABLE_NAME, ' WHERE CONVERT(',A.COLUMN_NAME, ' USING utf8) IN (\'%someText%\');') FROM INFORMATION_SCHEMA.COLUMNS A WHERE A.TABLE_SCHEMA != 'mysql' AND A.TAB...
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Linux的诞生和发展 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...准的兼容做好了准备工作。在0.01 版的内核/include/unistd.h 文件中就已经定义了几个有关POSXI 标准要求的常数符号,并且在注释中就写到"ok,这也许是个玩笑,但我正在着手研究它呢"。   1991 年7 月3 日在comp.os.minix 上发布的pos...
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Copy/duplicate database without using mysqldump

...ble = mysql_query("CREATE DATABASE `$newDbName` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;") or die(mysql_error()); foreach($tables as $cTable){ $db_check = @mysql_select_db ( $newDbName ); $create = $admin->query("CREATE TABLE $cTable LIKE ".$dbName."....
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bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...印消息头。 探针可以关联动作,把动作放到{}中。 3. 文件打开 # bpftrace -e 'tracepoint:syscalls:sys_enter_openat { printf("%s %s\n", comm, str(args->filename)); }' Attaching 1 probe... snmp-pass /proc/cpuinfo snmp-pass /proc/stat snmpd /proc/net/dev snmpd /proc/ne...
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How do I print the type or class of a variable in Swift?

... // "Swift.Int" println(Bool.self) // "Swift.Bool" println([UTF8].self) // "Swift.Array<Swift.UTF8>" println((Int, String).self) // "(Swift.Int, Swift.String)" println((String?()).dynamicType)// "Swift.Optional<Swift.String>" println(NSDate) ...
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How to make an HTTP request + basic auth in Swift

...sername, password) let loginData = loginString.data(using: String.Encoding.utf8)! let base64LoginString = loginData.base64EncodedString() // create the request let url = URL(string: "http://www.example.com/")! var request = URLRequest(url: url) request.httpMethod = "POST" request.setValue("Basic \(...