pattern substitution

Principle, so the name incredible is the essence meaning. The so-called grasp the thief first, study design pattern nature must first understand the design principle, all models are on the basis of these principles developed, some focus on one,

First, IntroductionAfter this period of time on the design pattern of learning, their feelings are still a lot of, because I now write code, often think of here can use what design mode to reconstruct. So, after you finish the design pattern, you

Original address: http://www.cnblogs.com/zhili/p/SingletonPatterm.htmlFirst, IntroductionAfter this period of time on the design pattern of learning, their feelings are still a lot of, because I now write code, often think of here can use what

First, IntroductionAfter this period of time on the design pattern of learning, their feelings are still a lot of, because I now write code, often think of here can use what design mode to reconstruct. So, after you finish the design pattern, you

1 What is design modeThe design pattern is a better solution to the recurring problems in the process of software design. As one expert says: Design patterns are a reproducible solution to the design problems often encountered by program designers

Pattern matching in parameter substitution# and # # start from the left side of the string, and remove the left string,% and percent are started from the right side of the string, and the right substring is removed.For exampleName=hello lhhs

Original source: ChenssyFrom July onwards until the end of September to read the design mode, in the process I dare not say I have mastered the contents of the book, or 1/5, not able to say also not qualified to say. But the result is not important,

Shell substitution operators and pattern matching operatorsSubstitution operators:(1) ${varname:-word}: If varname exists and is not NULL, its value is returned, otherwise, word is returned.(2) ${varname:=word}: If varname exists and is not NULL,

This article originates from http://blog.csdn.net/shuangde800 This article is a note taken in the study of "Using VI Editor, Lamb & Robbins". article content:Basic global substitution confirm substitution context-related substitution This article

This chapter learns the global substitution commands in the VI editor. With the global Replace command, you can automatically replace all occurrences of a word in a file. a global substitution typically uses two ex commands: ": G" (Global), ": S"