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Add characters to a string in Javascript

...r Loop characters to an empty string. I know that you can use the function concat in Javascript to do concats with strings ...
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Increment value in mysql update query

... Concatenating user data as demonstrated into an SQL query is a major SQL injection risk. – trognanders Nov 6 '15 at 1:20 ...
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How to get the first and last date of the current year?

... To get the first and the last day of the year, one can use the CONCAT function. The resulting value may be cast to any type. CONCAT(YEAR(Getdate()),'-01-01') FirstOfYear, CONCAT(YEAR(GETDATE()),'-12-31') LastOfYear ...
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How do I configure different environments in Angular.js?

...st', 'ngconstant:production', 'useminPrepare', 'concurrent:dist', 'concat', 'copy', 'cdnify', 'ngmin', 'cssmin', 'uglify', 'rev', 'usemin' ]); So running grunt server will generate a config.js file in app/scripts/ that looks like "use strict"; angular.module("config", []).co...
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How to convert number to words in java

...ERO_TOKEN; } else if (negative) { name = MINUS.concat(SEPARATOR).concat(name); } if (!(null == decimalValue || decimalValue.isEmpty())) { name = name.concat(SEPARATOR).concat(UNION_AND).concat(SEPARATOR) .conca...
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add column to mysql table if it does not exist

...me_IN, field_name_IN); IF (@isFieldThere = 0) THEN SET @ddl = CONCAT('ALTER TABLE ', table_name_IN); SET @ddl = CONCAT(@ddl, ' ', 'ADD COLUMN') ; SET @ddl = CONCAT(@ddl, ' ', field_name_IN); SET @ddl = CONCAT(@ddl, ' ', field_definition_IN); PREPARE stmt...
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pandas three-way joining multiple dataframes on columns

...dataframes). It's worth noting that if your join keys are unique, using pd.concat will result in simpler syntax: pd.concat([df.set_index('name') for df in dfs], axis=1, join='inner').reset_index(). concat is also more versatile when dealing with duplicate column names across multiple dfs (join isn't...
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Immutability of Strings in Java

...y its method. It will create all new String object in pool as follows. s1.concat(" overflow"); ___________________ | | s1.concat ----> | stack overflow | |___________________| out.println(s1); // o/p: stack out.println(s2...
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MySQL - Rows to Columns

...you need to pivot is to let mysql build the query for you: SELECT GROUP_CONCAT(DISTINCT CONCAT( 'ifnull(SUM(case when itemname = ''', itemname, ''' then itemvalue end),0) AS `', itemname, '`' ) ) INTO @sql FROM history; SET @sql = CONCAT('SELECT hostid, ', @sql...
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Create an array with same element repeated multiple times

...== 0) return []; var a = [value]; while (a.length * 2 <= len) a = a.concat(a); if (a.length < len) a = a.concat(a.slice(0, len - a.length)); return a; } It doubles the array in each iteration, so it can create a really large array with few iterations. Note: You can also improve yo...