Application ScenariosI believe you have encountered this scenario:There are already a bunch of if-else or switch-case in the old code, and the product requires adding a new function to the process.What do people do at this time?My advice is to:
Today, our first book, based on XCode6.1 's latest version of Swift Grammar, has a lovely name: "The old code says programming to the Swift River," and a beautiful cover:This book is not a pedigree, it's just a five-bit it old yard kid.One day in
In Java, there is an old code like this: Java code classRound {publicvoiddrawRound (); // circle} now the new Code wants to coexist with it and use a Person object to control it, however, it may be drawRound or drawRect: Java code class...
A database stored procedure is a set of SQL statements that are pre-created and stored on the database server with the specified name, and will be used in a more frequent or complex operation, pre-written with SQL statements and stored with a
Experience: 35-Year-Old Code workers give suggestions to their elders
Thanks to this post by csdn netizen worry for the valuable lessons! I have benefited a lot from this and do not dare to enjoy it exclusively. I hope more friends can see it.
Small partners, the type of bool in Swift has very important grammatical functions, and supports the entire SWIFT system in the logical judgment system, after the old Code of study and learning, the bool type itself is actually on the basis of the
Translation: Old code team translation Group-tyrion proofreading: Old Code team translation Group-oberyn
This page contains content:
Custom Prototypes
Implementing default values
Support for Basic Boolean initialization
Description of a custom type for Swift type creation
This article describes how to create a custom Swift type, this article describes the User-Defined prototype, implementation of default values, support for basic Boolean initialization, support for
Mix standard library class string and C-style strings
You can initialize a string class object with the literal character of strings. Typically, because C-style strings have the same data type as string literals, and are null-character-free, you
Author's microblog: @ laobaonong's home location
The importance of English is naturally beyond doubt for our coders who are highly advanced and always in line with international standards. Especially those who are ambitious and want to break into
Note: This code is a little bug, so you have to use it together ~~ Bug1: If duplicate files exist, a window indicating whether to overwrite the files is displayed on the server. Therefore, do not duplicate the directories when extracting files. Bug2:
In Java, there is such an old code:Java codeClass Round {Public void drawRound (); // draw a circle} Now the new Code wants to coexist with it and use a Person object to control it. However, it may be drawRound or drawRect:Java codeClass Rect
In hostswap dcevm, we have a simple understanding of dynamic code evolution VM.ArticleThe implementation principle of dynamic code evolution VM is introduced.
There are two concepts that need to be different:
Dynamic code evolution
As a 100offer programmer auction operation, we often talk with users, there is a topic enduring: the programmer to take over the new company after the existing code, how to deal with it?Programmers have the heart of an engineer, so the first thing
Article structure index: ========================================================== ================================
PrefaceModifying code is different from refactoring.
Basic Premise of reconstruction: Understanding the original design
Programmers have an engineer's heart, so the first thing they want to do when they get to a new venue is to push the old one back. Yes, they will never be satisfied with simple incremental labor.
Perhaps this subtle psychological orientation can
Overview:At the beginning of the refactoring ad ' old code ' occurred a burst of demand, below I briefly introduce, perhaps more of the text is thinking and structure of things. The specific business implementation will also be simple to say, but
1. select an appropriate algorithm and Data Structure
It is important to select a proper data structure. If a large number of insert and delete commands are used in a pile of Random storage numbers, it is much faster to use a linked list. Arrays are
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