大约有 42,000 项符合查询结果(耗时:0.0187秒) [XML]

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How to change the CHARACTER SET (and COLLATION) throughout a database?

...8. Hope this helps! -- Change DATABASE Default Collation SELECT DISTINCT concat('ALTER DATABASE `', TABLE_SCHEMA, '` CHARACTER SET utf8 COLLATE utf8_unicode_ci;') from information_schema.tables where TABLE_SCHEMA like 'database_name'; -- Change TABLE Collation / Char Set SELECT concat('ALTER T...
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How to concatenate two IEnumerable into a new IEnumerable?

...he same T ). I want a new instance of IEnumerable<T> which is the concatenation of both. 4 Answers ...
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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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Oracle SQL, concatenate multiple columns + add text

... You have two options for concatenating strings in Oracle: CONCAT Using || CONCAT example: CONCAT( CONCAT( CONCAT( CONCAT( CONCAT('I like ', t.type_desc_column), ' cake with '), t.icing_desc_column), ' and ...
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How to merge two arrays in JavaScript and de-duplicate items

... just merge the arrays (without removing duplicates) ES5 version use Array.concat: var array1 = ["Vijendra", "Singh"]; var array2 = ["Singh", "Shakya"]; console.log(array1.concat(array2)); ES6 version use destructuring const array1 = ["Vijendra","Singh"]; const array2 = ["Singh", "Shakya"...
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MySQL combine two columns into one column

...t start with a digit, then the converted value is 0. So try this: select concat(column1, column2) Two ways to add a space: select concat(column1, ' ', column2) select concat_ws(' ', column1, column2) share | ...
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How many String objects will be created when using a plus sign?

...iteLine(result); } then the compiler seems to emit the code using String.Concat as @Joachim answered (+1 to him btw). If you define them as constants, e.g.: const String one = "1"; const String two = "2"; const String result = one + two + "34"; or as literals, as in the original question: Str...
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push multiple elements to array

... @BluE if you want to merge two arrays just use array.concat() – Florent Arlandis Feb 26 at 16:45 ...
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How do I quickly rename a MySQL database (change schema name)?

...ginally suggested the former and someone "improved" my answer to use GROUP_CONCAT. Take your pick, but I prefer the original): SELECT CONCAT('RENAME TABLE $1.', table_name, ' TO $2.', table_name, '; ') FROM information_schema.TABLES WHERE table_schema='$1'; or SELECT GROUP_CONCAT('RENAME TABLE ...
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Are there pronounceable names for common Haskell operators? [closed]

...lt;|> or / alternative expr <|> term: "expr or term" ++ concat / plus / append [] empty list : cons :: of type / as f x :: Int: f x of type Int \ lambda @ as go ll@(l:ls): go ll as l cons ls ~ lazy go ~(a,b): go la...