maintype

not to escape Example1: package maintype S struct{}func main() {var x Sy := x_ = *identity(y)}func identity(z *S) *S {return z} Output: # command-line-argumentsescape_analysis/main.go:11: leaking param: z to result ~r1 level=0escape_analysis/main.go:7: main x does not escape The first line here indicates that the z variable is "streaming" because identity the function simply enters a variable and returns the variable as a return output, but the ident

: main ... argument does not escapehello When to escape, when not to escape Example1: package maintype S struct{}func main() { var x S y := x _ = *identity(y)}func identity(z *S) *S { return z} Output: # command-line-argumentsescape_analysis/main.go:11: leaking param: z to result ~r1 level=0escape_analysis/main.go:7: main x does not escape The first line here indicates that the z variable is "streaming" because identity the function

: // github.com/bigwhite/experiments/go19-examples/typealias/typedefinition-method.gopackage main// type definitionstype MyInt inttype MyInt1 MyIntfunc (i *MyInt) Increase(a int) { *i = *i + MyInt(a)}func main() { var mi MyInt = 6 var mi1 MyInt1 = 7 mi.Increase(5) mi1.Increase(5) // Error: mi1.Increase undefined (type MyInt1 has no field or method Increase)} But the type alias obtained by the type alias has the method set of the source type (because this is a type), and the method

Import PymongoImport CSVImport OSImport datetimeClass Device1 ():Def conn (self):Global ConnetionConnetion=pymongo. Mongoclient (' 10.10.5.199 ', 27017)def find_db (Self,dbname1,table1,table2,path):Db1=connetion.get_database (dbname1) # #NGTenantTemplate DatabseDevice_table=db1.get_collection (table1)Devicetype_table=db1.get_collection (table2)_id= ' _id 'Typename= ' TypeName 'Maintype= ' MainType 'Vendor=

=mimetypes.guess_type (filename) maintype,subtype= "", "" ifmimeencodingor (Mimetypeisnone): mimetype= ' Application/octet-stream ' maintype,subtype=mimetype.split ('/', 1) Retval=mimebase (Maintype,subtype) retval.set_ Payload (Fd.read ()) encoders.encode_base64 (retval) Retval.add_header (' content-disposition ', ' attchment ', filename=filename) fd.close

.com ' password = ' upc_cs ' file= ' Etup.1398305031.exe ' # constructs Mimemultipart object as root container Msgroot=mimemultipart () msgroot[' from ']=sender msgroot[' to ']=receiver msgroot[' Subject ']=header (' Image ') # constructs the Mimetext object as the message display and attaches to the root container text=mimetext ("This's My Downloads", ' plain ', ' Utf-8 ') Msgroot.attach (text) #测试识别文件类型: Mimetypes.guess_type (file_name) # ctype,encoding value: # rar file None None (INI file, C

function is used to set the sender, recipient, subject, and sending time. Def getcontent (): path = OS.GETCWD () file = Os.path.join (path, content_file_name) CONTENT = open (file, ' RB ' data = Content.read () try: data = Data.decode (' GBK ') except: data = Data.decode (' GBK ', ' ignore ') ) Content.close () return dataAs for the message body, I was written in advance to a TXT document, read out. This is also more covert. : The idea is to en

containerMain_msg =Email.mime.multipart.MIMEMultipart ()#constructs a Mimetext object as a message display and attaches to the root container #v_str = "Starbucks activity report, data Total" + v_cnt + "line"Text_msg = Email.mime.text.MIMEText ("Financial app Starbucks activities, yesterday's first investment data, please find, thank you. ") Main_msg.attach (text_msg)#constructs a Mimebase object as the file attachment content and attaches to the root containerContype =v_file_name

= 'the uploaded file was only partially uploaded .';Break;Case UPLOAD_ERR_NO_FILE:$ Response = 'No file was uploaded .';Break;Case UPLOAD_ERR_NO_TMP_DIR:$ Response = 'missing a temporary folder. Introduced in PHP 4.3.10 and PHP 5.0.3 .';Break;Case UPLOAD_ERR_CANT_WRITE:$ Response = 'failed' to write file to disk. Introduced in PHP 5.1.0 .';Break;Case UPLOAD_ERR_EXTENSION:$ Response = 'File upload stopped by extension. Introduced in PHP 5.2.0 .';Break;Default:$ Response = 'unknown error ';Break;

server, which is equivalent to sending the "quit" command. (Smtp. close () is used in many programs. The difference between it and quit is fixed by google, and no answer is found .) 2. email module The emial module is used to process mail messages, including MIME and other RFC 2822-based message documents. Using these modules to define mail content is very simple. Its classes include (for more details, see :#): Class email. mime. base. MIMEBase (_ maintype