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On design patterns: When should I use the singleton?
... Singletons are best when you need to manage resources. For example, Http connections. You don't want to establish 1 million http clients to a single client, that is crazy wasteful and slow. So a singleton with a connection pooled http client will be much faster and resource friendly.
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RRSet of type CNAME with DNS name foo.com. is not permitted at apex in zone bar.com
...ic feature which offer the exact functionality you require. Have a look at http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/CreatingAliasRRSets.html
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How useful/important is REST HATEOAS ( maturity level 3)?
...s to be HATEOAS compliant and implement all Richardson's maturity levels ( http://martinfowler.com/articles/richardsonMaturityModel.html )!
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No @XmlRootElement generated by JAXB
...ent
<?xml version="1.0"?>
<jxb:bindings version="1.0" xmlns:jxb="http://java.sun.com/xml/ns/jaxb"
xmlns:xjc= "http://java.sun.com/xml/ns/jaxb/xjc"
jxb:extensionBindingPrefixes="xjc" xmlns:xs="http://www.w3.org/2001/XMLSchema">
<jxb:bindings schemaLocat...
Passing route control with optional parameter after root in express?
... can call with only categoryId and productId or with all three-parameter.
http://127.0.0.1:3000/api/v1/tours/5/10
//or
http://127.0.0.1:3000/api/v1/tours/5/10/8987
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Why use ICollection and not IEnumerable or List on many-many/one-many relationships?
... which methods you need access to. In general - IEnumerable<> (MSDN: http://msdn.microsoft.com/en-us/library/system.collections.ienumerable.aspx) for a list of objects that only needs to be iterated through, ICollection<> (MSDN: http://msdn.microsoft.com/en-us/library/92t2ye13.aspx) for ...
How to make a in Bootstrap look like a normal link in nav-tabs?
...d of the background color, borders and add hover effects. Here's a fiddle: http://jsfiddle.net/yPU29/
<form action="..." method="post">
<div class="row-fluid">
<!-- Navigation for the form -->
<div class="span3">
<ul class="nav nav-tabs nav-stacked">
<li>&l...
Heroku/GoDaddy: send naked domain to www [closed]
...is create a warning/error if your using SSL as heroku claims? they said if https:// example.com is redirected there is a warning.
– Jaqx
Jun 6 '13 at 7:04
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difference between primary key and unique key
...ven by the author may not seem suitable, but try to get an overall idea.
http://tsqltips.blogspot.com/2012/06/difference-between-unique-key-and.html
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Parse JSON in TSQL
...nto tables and columns that can be queried. This is for SQL Server 2016: https://www.simple-talk.com/sql/learn-sql-server/json-support-in-sql-server-2016/
– codeaf
Jul 28 '16 at 18:10
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