more effective java

Hypermorph alleles of super (effective) alleleA allele that encodes more protein or an equal but more potent protein than a wild-type alleleIf the extra activity of the protein encoded by the allele alters the phenotype of the organism, then the super gene is dominant.Hypomorph alleles of sub-(effect) allelePhenotype effects were last in the extent of wild-type mutant genes.Inverse (effect) allele AntimorphMutant genes that play a role in the fight ag

methods, the practice of research and development process will basically eliminate the problem of resource management. RAII(Resource acquisition isinitialization This is an effective way of managing resources to prevent leaks. The two commonly used classes are the tr1::shared_ptr class and the tr1:auto_ptr class .The essence of RAII is to use objects to represent resources, to transform the task of managing resources into the task of managing objects

A big and comprehensive choice between SQL and functions: Who is a more effective SQL ?, More effective SQL Reprinted please indicate the source: jiq •'s technical Blog Note that the Oracle11g database is discussed here. It is not applicable to SQL Server, MYSQL, and other databases. 1. Problem Description There are two tables in the current system. One is the product table and the other is the attachment

jumps to its implementation code.2. Key points-The message consists of a receiver, a method name, and a parameter. Send a message to an object is also equivalent to the object "Invoke method ".-All messages sent to an object are handled by the dynamic message dispatch system, which detects the corresponding partyand execute its code.12th: Understand the message forwarding mechanism (what happens when an object receives a message that cannot be read)1. Message forwarding is initiated when the ob

Want to rank on the outside chain, the most effective outside the chain of the most practical way is the soft text. Every day to see something about SEO, but also try some methods, the most or the majority of the webmaster exchanges. Maybe it's me out. Later know now some optimization company, as long as the Web site can be, one months thousands of dollars, 2 months will almost give you a good ranking. At that time I was depressed, a webmaster told a

In the first part of this article, we compare the performance between synchronous StringBuffer and asynchronous StringBuilder through a single thread benchmark. From the initial benchmark results, bias locks provide the best performance and are more

Method 38th: Check the validity of the parameters Check the parameters at the beginning of the method body, and for public methods, use the @throws tab of Javadoc to describe the exception that is thrown when the parameter value limit is violated

For a class, the most common approach is to provide a common constructor for the client to obtain an instance of its seniority. There is also a place to put your hair, but also for each programmer's toolbox. A class can provide a common static

Notes Four. Classes and Interfaces 12th: Minimize the accessibility of classes and members In order to better realize the information hiding, reduce the coupling degree of each module, it is necessary to reduce the access ability of class and

The key to distinguishing between well-designed modules and poorly designed modules is whether the module hides its internal data and other implementation details for other external modules. This concept is known as information hiding (information

Turn from: http://blog.csdn.net/swj524152416/article/details/75418162 we know that in the C + + field, as an advanced reading material, the must-see book is "Effective C + +". and "Effective C #" In C #, is similar to the "effective C + +" in the same existence of C + +.This article, the "Effective C # Second Edition"

Effective C # principle 1: Use attributes (property) as much as possible, rather than data members (field) Effective C # principle 2: Choose ReadOnly instead of const for your constants Effective C # Principle 3: Select is or as operator instead of coercion type conversion Effective C # principle 4: precompiling blo

Java Theory and Practice: Is that your final answer?Guidelines for Effective Use of final keywords Document options Send this page as an

Effective Manager is a work published by Mr. Peter Drucker in 1966. It mainly describes the increasing proportion of mental workers with the development of the times, how to measure and improve the efficiency of mental workers; on the other hand, as a "manager", how to better manage your own time and how to better provide more results for the organization, how to know people, how to make effective decisions

[52 Effective ways to write high-quality iOS code] (i) OBJECTIVE-C FoundationReference book: "Effective Objective-c 2.0", "English" Matt GallowaySneak Peek1. Understanding the origins of the Objective-c language2. Introduce as few other header files as possible in the header file of the class3. Multi-use literal syntax, less use of the equivalent method4. Multi-use type constants, less # define preprocessor

: This article mainly introduces ten effective methods for becoming a good programmer. if you are interested in PHP tutorials, please refer to them. A good programmer is a person who looks at both sides of a one-way street. As a software programmer in the IT industry, what drives us daily hard work comes from our interest and passion for programming. But to keep programming interesting, we must learn to stick to the basic principles of becoming a goo

In September, New Zealand's Kiwi Pycon (an annual seminar on Python language), I presented an effective learning approach for programmers. There are two main aspects in the speech: one is the mode of thinking, the other is the specific learning method. The following is a simple guide to thinking patterns in that speech. If you want to know something about learning methods, here are some videos. Recurse Center I worked for two years at a company called

On the concept of SEO operation, concise mention, good SEO work, is required from the "demand formation products" to "flow of access and transformation" throughout. There is a passage in this article: the concept of SEO operation (transfer value, realizable product).SEO Operation formula: Effective query coverage effective capture display Click Conversion"Effective