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Cartesian product of multiple arrays in JavaScript

...tps://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Functions/rest_parameters https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Operators/Spread_operator The new methods from the Update 2020 example was added in ES2019: http://www.ecma-international.org/ecma-262/10.0/ https:/...
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Regex for password must contain at least eight characters, at least one number and both lower and up

... fails for _ special character – Akhilesh Jul 23 '19 at 10:10 add a comment  |  ...
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Display block without 100% width

...er. inline-block et al was breaking my layout. – i336_ Sep 28 '19 at 2:32 1 @i336_ As of today it...
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Modifying location.hash without page scrolling

...i a").removeClass('selected'); s=$(document.location.hash.replace("btn_","")).addClass('selected').attr("href").replace("javascript:",""); eval(s); } //Click a button to change the hash $("#buttons li a").click(function(){ $("#buttons li a").removeClass('selected')...
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jasmine: Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTERVAL

...out; beforeEach(function() { originalTimeout = jasmine.DEFAULT_TIMEOUT_INTERVAL; jasmine.DEFAULT_TIMEOUT_INTERVAL = 1000000; }); afterEach(function() { jasmine.DEFAULT_TIMEOUT_INTERVAL = originalTimeout; }); it('Template advance', function(doneFn) { ...
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EF Migrations: Rollback last applied migration?

...some clarification to this thread: Update-Database -TargetMigration:"name_of_migration" What you are doing above is saying that you want to rollback all migrations UNTIL you're left with the migration specified. Thus, if you use GET-MIGRATIONS and you find that you have A, B, C, D, and E, then u...
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Python function global variables?

... In the code that I gave, is func_B doing things (1) to the global copy of x (as gotten from func_A), (2) to a local variable x with the same value of the result of func_A, or (3) to a local variable x with no value and (in the eyes of the compiler) no relat...
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SQL Server indexes - ascending or descending, what difference does it make?

... This primarily matters when used with composite indexes: CREATE INDEX ix_index ON mytable (col1, col2 DESC); can be used for either: SELECT * FROM mytable ORDER BY col1, col2 DESC or: SELECT * FROM mytable ORDER BY col1 DESC, col2 , but not for: SELECT * FROM ...
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Understanding generators in Python

... <=2.6: in the above examples next is a function which calls the method __next__ on the given object. In Python <=2.6 one uses a slightly different technique, namely o.next() instead of next(o). Python 2.7 has next() call .next so you need not use the following in 2.7: >>> g = (n for...
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PHP code to convert a MySQL query to CSV [closed]

...RMINATED BY ',' OPTIONALLY ENCLOSED BY '"' LINES TERMINATED BY "\n" FROM my_table; (the documentation for this is here: http://dev.mysql.com/doc/refman/5.0/en/select.html) or: $select = "SELECT * FROM table_name"; $export = mysql_query ( $select ) or die ( "Sql error : " . mysql_error( ) ); $f...