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When should I use RequestFactory vs GWT-RPC?
...on should contain your database application layer (hibernate, cayenne, sql etc..) This allows you to fully divorce the database object models from the actual client providing a much more extensible and robust way to develop and unit test your application. Granted it requires a tad bit of initial set...
How can I export tables to Excel from a webpage [closed]
...e of URL parameters by having excel prompt you for certain filter criteria etc...
However the cons I've noticed so far are:
dynamicly loaded data is not accessible, because Javascript is not executed
URL length is limited
Here is a question about how to create web queries in Excel. It links to ...
Is it bad practice to have a constructor function return a Promise?
...sts from directories, parsing them, sending them through template engines, etc.
4 Answers
...
Mimicking sets in JavaScript?
...sion (e.g. toString() operator).
// This includes strings, numbers, dates, etc...
// It does not include objects or arrays though
// one could implement a toString() operator
// on an object that would uniquely identify
// the object.
//
// Uses a javascript object to hold the Set
//
// Th...
Spring MVC: How to perform validation?
... business validation logic, conditional validation across multiple fields, etc.), or for some reason you cannot use method 1, use manual validation. It is a good practice to separate the controller’s code from the validation logic. Don't create your validation class(es) from scratch, Spring provid...
What are the disadvantages of using persistent connection in PDO
... (Apache for mod_php, the current FastCGI process if you're using FastCGI, etc), not at the PHP level, and PHP doesn't tell the parent process to let the connection die when the script terminates abnormally.
If the dead script locked tables, those tables will remain locked until the connection dies...
When should I use a struct rather than a class in C#?
...1 entirely (this is a huge advantage when dealing with things like images, etc) and for pointing out that they are different from "normal objects" and there is know way of knowing this except by existing knowledge or examining the type itself. Also, you can't cast a null value to a struct type :-) T...
When is JavaScript synchronous?
...at JavaScript can have are events (user interaction, Ajax request results, etc) and timers, basically actions that might happen at any time.
I would recommend you to give a look to the following article:
How JavaScript Timers Work
That article will help you to understand the single-threaded nat...
What does this square bracket and parenthesis bracket notation mean [first1,last1)?
...hics (color conversion, computational geometry, animation easing/blending, etc.) often times normalized numbers are used. That is, numbers between 0.0 and 1.0.
It is important to know the edge cases if the endpoints are inclusive or exclusive:
(0,1) = 1e-M .. 0.999...
(0,1] = 1e-M .. 1.0
[0,1) = ...
How to prevent Browser cache for php site
...uery part of the URI for the linked file.
(Can be used for css, js, images etc.)
For development:
<link rel="stylesheet" href="style.css?<?php echo date('Y-m-d_H:i:s'); ?>">
For production (where caching is mostly a good thing):
<link rel="stylesheet" type="text/css" href="style.c...