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window.onload vs
...load is less obtrusive though - it takes your JavaScript out of the HTML.
All of the common JavaScript libraries, Prototype, ExtJS, Dojo, JQuery, YUI, etc. provide nice wrappers around events that occur as the document is loaded. You can listen for the window onLoad event, and react to that, but on...
Cross field validation with Hibernate Validator (JSR 303)
... fields; cross-field validation should be done at the class level. Additionally, the JSR-303 Section 2.2 preferred way to express multiple validations of the same type is via a list of annotations. This allows the error message to be specified per match.
For example, validating a common form:
@F...
HTML img tag: title attribute vs. alt attribute?
...
I'd go for both. Title will show a nice tooltip in all browsers and alt will give a description when browsing in a browser with no images.
That said, I'd love to see some stats of how many "surfers" out there going to a "store" to browse merchandise actually have images turn...
Difference between .on('click') vs .click()
....on over .click because the former can use less memory and work for dynamically added elements.
Consider the following html:
<html>
<button id="add">Add new</button>
<div id="container">
<button class="alert">alert!</button>
</div>
<...
Storing DateTime (UTC) vs. storing DateTimeOffset
I usually have an "interceptor" that right before reading/writing from/to the database does DateTime conversion (from UTC to local time, and from local time to UTC), so I can use DateTime.Now (derivations and comparisions) throughout the system without worrying about time zones.
...
NoSql vs Relational database
...
Not all data is relational. For those situations, NoSQL can be helpful.
With that said, NoSQL stands for "Not Only SQL". It's not intended to knock SQL or supplant it.
SQL has several very big advantages:
Strong mathemat...
了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
...档：阅读 Boost Filesystem Library 文档（相对而言，更加适合开发人员，而不是普通用户）。
Every Flavour Beans：这篇文章对 Boost Filesystem Library 非常独到的介绍，提供了安装 Boost 库的详细信息。
Detailed Filesystem Library 文档：查找关于 ...
size_t vs. uintptr_t
...at size_t is a type that can hold any array index. This means that, logically, size_t should be able to hold any pointer type. I've read on some sites that I found on the Googles that this is legal and/or should always work:
...
jQuery .hasClass() vs .is()
... Just because a function has less funtionality does NOT mean it's automatically faster.
– Kris
Feb 4 '11 at 19:54
15
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AES vs Blowfish for file encryption
...was what became AES.
Interesting aside: at one point in the competition, all the entrants were asked to give their opinion of how the ciphers ranked. It's probably no surprise that each team picked its own entry as the best -- but every other team picked Rijndael as the second best.
That said, th...