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How to get a number of random elements from an array?

...- Math.random()); // Get sub-array of first n elements after shuffled let selected = shuffled.slice(0, n); DEMO: share | improve this answer | follow | ...
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Get index of selected option with jQuery

I'm a little bit confused about how to get an index of a selected option from a HTML <select> item. 7 Answers ...
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How do you check what version of SQL Server for a database using TSQL?

... Try SELECT @@VERSION or for SQL Server 2000 and above the following is easier to parse :) SELECT SERVERPROPERTY('productversion') , SERVERPROPERTY('productlevel') , SERVERPROPERTY('edition') From: http://support....
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How to add images in select list?

I have a select list of genders. 13 Answers 13 ...
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Change the selected value of a drop-down list with jQuery

... jQuery's documentation states: [jQuery.val] checks, or selects, all the radio buttons, checkboxes, and select options that match the set of values. This behavior is in jQuery versions 1.2 and above. You most likely want this: $("._statusDDL").val('2'); ...
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Clear Text Selection with JavaScript

... if (window.getSelection) { if (window.getSelection().empty) { // Chrome window.getSelection().empty(); } else if (window.getSelection().removeAllRanges) { // Firefox window.getSelection().removeAllRanges(); } } else if (doc...
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Disable all table constraints in Oracle

...nk about putting constraint_type in the WHERE clause. BEGIN FOR c IN (SELECT c.owner, c.table_name, c.constraint_name FROM user_constraints c, user_tables t WHERE c.table_name = t.table_name AND c.status = 'ENABLED' AND NOT (t.iot_type IS NOT NULL AND c.constraint_type = 'P') ORD...
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SQL Update with row_number()

... One more option UPDATE x SET x.CODE_DEST = x.New_CODE_DEST FROM ( SELECT CODE_DEST, ROW_NUMBER() OVER (ORDER BY [RS_NOM]) AS New_CODE_DEST FROM DESTINATAIRE_TEMP ) x share | im...
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Caveats of select/poll vs. epoll reactors in Twisted

...o based apps ) leads me to believe that ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price. ...
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How can I get this ASP.NET MVC SelectList to work?

I create a selectList in my controller, to display in the view. 23 Answers 23 ...