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SQL Server insert if not exists best practice
...erver the best possible hints for optimizing, in contrast to the sub query approach.
– Mads Nielsen
Mar 3 '16 at 20:48
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移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...那一块区域，在具体一点，就是浏览器上(也可能是一个app中的webview)用来显示网页的那部分区域，但viewport又不局限于浏览器可视区域的大小，它可能比浏览器的可视区域要大，也可能比浏览器的可视区域要小。在默认情况下，...
Tactics for using PHP in a high-load site
...isn't cutting, there are several techniques to scale up, depending on your app. Replicating to additional servers typically works well if you have more reads than writes. Sharding is a technique to split your data over many machines.
Caching
You probably don't want to cache in your database. The...
Defeating a Poker Bot
...called PokerPirate . I am interested in any creative ways in which a web application could detect/thwart/defeat a poker bot. (This is a purely academic discussion, in the same spirit that PokerPirate was written.)
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Why is IoC / DI not common in Python?
...va IoC / DI is a very common practice which is extensively used in web applications, nearly all available frameworks and Java EE. On the other hand, there are also lots of big Python web applications, but beside of Zope (which I've heard should be really horrible to code) IoC doesn't seem to be ...
Why is String immutable in Java?
...s discussed in Why String is Stored in String Constant Pool article, every application creates too many string objects and in order to save JVM from first creating lots of string objects and then garbage collecting them. JVM stores all string objects in a separate memory area called String constant ...
What are the main disadvantages of Java Server Faces 2.0?
...ver Faces 2.0 which looked truly impressive, even though I am currently a happy ASP.NET MVC / jQuery developer. What I liked most about JSF was the huge amount of AJAX-Enabled UI components which seem to make development much faster than with ASP.NET MVC, especially on AJAX-heavy sites. Integration ...
Best Practice for Exception Handling in a Windows Forms Application?
I'm currently in the process of writing my first Windows Forms application. I've read a few C# books now so I've got a relatively good understanding of what language features C# has to deal with exceptions. They're all quite theoretical however so what I haven't got yet is a feel for how to translat...
When do you use POST and when do you use GET?
..., a lot can be gained from learning about REST and how a resource oriented approach works.
A RESTful application will use GETs for operations which are both safe and idempotent.
A safe operation is an operation which does not change the data requested.
An idempotent operation is one in whi...
Delete multiple records using REST
...will know how to handle - the same counter argument that is raised against approach #2.
– LB2
Dec 2 '16 at 16:24
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