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How to index characters in a Golang string?

...)) and may reconvert the string on each iteration for, O(n²). Just do for _, r := range word { fmt.Printf("%c", r) }. If you really wanted to loop with an index for x := 0; x < limit; x++. Please learn the basics of a language before answering questions. – Dave C ...
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How to use java.net.URLConnection to fire and handle HTTP requests?

...n Java 7 and later, use the constant: java.nio.charset.StandardCharsets.UTF_8.name() String param1 = "value1"; String param2 = "value2"; // ... String query = String.format("param1=%s&param2=%s", URLEncoder.encode(param1, charset), URLEncoder.encode(param2, charset)); The query par...
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warning: incompatible implicit declaration of built-in function ‘xyz’

...an page says this function is a GNU extension and synopsis shows: #define _GNU_SOURCE #include <string.h> When #define is added to my source before the #include, declarations for the GNU extensions are made visible and warnings disappear. ...
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创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

...这个表上建立物化视图日志如“CREATE MATERIALIZED VIEW LOG ON T_tablename;”,再到数据库B上创建数据库链接和快速刷新的物化视图如“create materialized view mv_tablename refresh fast on demand start with sysdate next sysdate+1/288 as select * from T_tablename@dbli...
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Performance optimization strategies of last resort [closed]

... code, together taking over half the time: /* IF ALL TASKS DONE, SEND ITC_ACKOP, AND DELETE OP */ if (ptop->current_task >= ILST_LENGTH(ptop->tasklist){ . . . /* FOR EACH OPERATION REQUEST */ for ( ptop = ILST_FIRST(oplist); ptop != NULL; ptop = ILST_NEXT(oplist, ptop)){ . . . /* GET CURR...
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WebSockets protocol vs HTTP

...xml,application/xml;q=0.9,*/*;q=0.8 User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.68 Safari/537.17 Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 Cookie: [[[2428 byte of cookie da...
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How Do You Clear The IRB Console?

... which command would work with tmux. I think Ctrl + L is the one as thatway_3 says down below. – Pablo Feb 16 at 18:35 add a comment  |  ...
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Convert NSDate to NSString

...less ARC is active [formatter release]; Swift 4.2 : func stringFromDate(_ date: Date) -> String { let formatter = DateFormatter() formatter.dateFormat = "dd MMM yyyy HH:mm" //yyyy return formatter.string(from: date) } ...
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Convert integer to binary in C#

...o extra code, just input, conversion and output. using System; namespace _01.Decimal_to_Binary { class DecimalToBinary { static void Main(string[] args) { Console.Write("Decimal: "); int decimalNumber = int.Parse(Console.ReadLine()); int...
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select count(*) from table of mysql in php

... to alias the aggregate using the as keyword in order to call it from mysql_fetch_assoc $result=mysql_query("SELECT count(*) as total from Students"); $data=mysql_fetch_assoc($result); echo $data['total']; share |...