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SQL: All about Time

November 2, 2017 hung-nb 0

SQL Server How to add time into a datetime variable? [sql] declare @startDate = ’05 Nov 2017′ SET @startDate = DATEADD(week, 3, @startDate); –’22 Nov […]

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Web App: Caching

October 26, 2017 hung-nb 0

Concept How many caching form does ASP.NET have? Page level output caching The simplest form of caching, output caching simply keeps a copy of the […]

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Web App: Access Limitation

October 26, 2017 hung-nb 0

Concept DB design 1 “users” table [sql] 1 AA 2 BB [/sql] “authority_groups” table [sql] group_auto name 1 Admin 2 Writer [/sql] “authority_group_items” table [sql] […]

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ASP.NET & Ajax in Javascript

October 23, 2017 hung-nb 0

GET (https://www.w3schools.com/xml/ajax_intro.asp) [js] var xhttp = new XMLHttpRequest(); xhttp.open(“GET”, “ajax_info.txt”, true); xhttp.send(); xhttp.onreadystatechange = function() { if (this.readyState == 4 && this.status == 200) { […]