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Repository Pattern vs DAL
...
My personal opinion is that it is all about mapping, see: http://www.martinfowler.com/eaaCatalog/repository.html. So the output/input from the repository are domain objects, which on the DAL could be anything. For me that is an important addition/restriction, as you can add a reposi...
What to do Regular expression pattern doesn't match anywhere in string?
...put tag #2 at character 10335:
alt => "Go"
src => "http://g-ecx.images-amazon.com/images/G/01/x-locale/common/transparent-pixel._V192234675_.gif"
type => "image"
Parse Input Tags, See No Evil Input
Here’s the source for the program that produced the output above...
How to validate an email address using a regular expression?
... use.
One RFC 5322 compliant regex can be found at the top of the page at http://emailregex.com/ but uses the IP address pattern that is floating around the internet with a bug that allows 00 for any of the unsigned byte decimal values in a dot-delimited address, which is illegal. The rest of it a...
What JSON library to use in Scala? [closed]
...log post describes it's use with JAXB Annotations and the Play Framework.
http://krasserm.blogspot.co.uk/2012/02/using-jaxb-for-xml-and-json-apis-in.html
Here is my current JacksonMapper.
trait JacksonMapper {
def jsonSerializer = {
val m = new ObjectMapper()
m.registerModule(DefaultSc...
Principal component analysis in Python
...xis=0)
with the little class Center or the like, below.
See also:
http://en.wikipedia.org/wiki/Principal_component_analysis
http://en.wikipedia.org/wiki/Singular_value_decomposition
Press et al., Numerical Recipes (2 or 3 ed), SVD
PCA micro-tutorial
iris-pca .py .png
"""
f...
List of ANSI color escape sequences
...
There are some more interesting ones along with related info.
http://wiki.bash-hackers.org/scripting/terminalcodes
http://www.termsys.demon.co.uk/vtansi.htm (dead; archive.org snapshot)
http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
http://www.tldp.org/HOWTO/Bash-Prompt-HOWTO/c3...
如何查看Oracle用户的SQL执行历史记录？ - 数据库(内核) - 清泛网 - 专注C/...
...户的角色
清泛网注：以下内容更详细深入，来源：http://www.cnblogs.com/net2012/archive/2013/01/21/2869636.html
问题：如何知道一个session都执行过哪些SQL语句？（查看当前比较容易，历史的呢？怎么复原sql的执行场景——事务关系、...
What characters are allowed in an email address?
...rted seeing email addresses like hei@やる.ca and Amazon URLs like this:
http://www.amazon.co.jp/エレクトロニクス-デジタルカメラ-ポータブルオーディオ/b/ref=topnav_storetab_e?ie=UTF8&node=3210981
I know you don't want links to specs, but if you rely solely on the outda...
Illegal pattern character 'T' when parsing a date string to java.util.Date
... */
public static final TimeZone UTC;
/**
* @see <a href="http://en.wikipedia.org/wiki/ISO_8601#Combined_date_and_time_representations">Combined Date and Time Representations</a>
*/
public static final String ISO_8601_24H_FULL_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX...
Link and execute external JavaScript file hosted on GitHub
... will get the latest - which may cause long-term caching)
Examples:
http://raw.githubusercontent.com/<username>/<repo>/<branch>/path/to/file.js
Use this URL to get the latest version:
http://cdn.jsdelivr.net/gh/<username>/<repo>/path/to/file.js
Use this URL ...