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SEARCH KEYWORD -- Small program

  Cross Browser HTML5 Drag and Drop

HTML5 Drag and Drop has been talked about a lot lately, but it’s hard to find really useful information about implementing it across multiple browsers.Mozilla, Apple and Microsoft all have pages describing how to use it, but their examples seem to work only in their particular browser (Apple’s example doesn’t even work in their own! Updated, Jan. 11, 2009: Although I have not been able to get this example working on Safari 2.0.4 and 3....

   HTML5,Drag and drop, Demo,Source code,Cr     2011-09-20 13:42:45

  The four key figures behind the success of JavaScript - Douglas Crockford

JavaScript's success can be attributed to at least four key figures: Brendan Eich, the creator of JavaScript Douglas Crockford, the creator of JSLint and JSON John Resig, the creator of jQuery Ryan Dahl, the creator of Node.js. We are already very familiar with Brendan Eich and the invention process of JavaScript, so let's start with Douglas Crockford, the second in command of JavaScript. Alliance In the 1990s, Microsoft's dominance overshadowed the whole world. At this time, two challengers e...

   JAVASCRIPT,DOUGLAS CROCKFORD,HISTORY     2023-05-07 06:42:30

  Why (offset, limit) is slow in database select?

Starting from a problem Five years ago when I was working at Tencent, I found that MySQL request speed was very slow in the pagination scenario. With only 100,000 data, a select query on a single machine took about 2-3 seconds. I asked my mentor why, and he asked in return, "In an indexing scenario, what is the time complexity to get the nth largest number in MySQL?" The pursuit of the answer Confirming the scenario Assuming there is an index on the "status" column, a query like "select * from t...

   SLOW,LIMIT,OFFSET,MYSQL     2023-03-12 05:21:02

  10 Best Android Apps of 2016

The year 2016 has been gone with all its good and bad memories. But in the field of information technology, this year was another boost in which the field rapidly grew and explores some more essentials for the ease of users. In the field of mobile apps, specially users of Android OS, the year 2016 was awesome because in this year, they got many useful apps created by the highly qualified app developers of the world.Experts of Android OS rounded up a lot of apps created in the year 2016 and they ...

   MOBILE APP DEVELOPMENT COMPANY,CUSTOM MOBILE APP DEVELOPMENT COMPANY     2017-01-10 14:07:32

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