understand scitools

Before learning C #, is completely in the work of learning, some of the bottom of the more in-depth truth is not very clear. Now that you have learned Java, it is confusing to pass a value to a Java parameter, not a reference (pointer), not often in C # to pass a reference to a function? Even C # has a fairly simple ref, out parameter, plainly quoted.After some exploration, the conclusion shows that in Java I don't care whether you are a value or a reference, you just have to remember that the o

Article Description: simplicity is the best pricing strategy don't give users a huge amount of information. I used to say that Apple is a very marketing company, not just saying that their ads are effective, but that every aspect of Apple's culture is very disciplined in adhering to the most important principles of marketing-making it easy for consumers to understand. Whether from the advertising message, product design, interface, inform

Have been worrying about writing documents. A lot of things you know, but how to call others also understand, is a difficult problem. Although the document is also written, but that kind of document is only for those who understand the people write, if the other people do not understand your piece, it is not understood at all. So what's the use of writing such a

The last 2 months have been studying about SEO, or the chain inside the chain that matter, the author site is also placed there for a period of time, some time ago I met 6 years ago, a webmaster friend, by learning from the author I understand some of the truth, as well as learn a lot of practical experience has not been. Most webmasters should understand that the more the Web site, and some of the more do

Label:Text: How to understand the merge statement in T-SQLWritten in front of the words: Before the merge statement, feel no use, can be used in other ways to replace, recently looked at the merge statement, it is very useful, can write a lot less code, it looks very compact, of course, there are other advantages.= = = Text starts =====SQL Server 2008 introduces the merge keyword, in which you can perform an INSERT, UPDATE, delete operation on a singl

such cases), otherwise its advantages can be turned into a disadvantage.Through the following scenario, it is believed that it can help us to understand this phrase easily.Assuming the process of generating 1 integers for a python process is time consuming, here's a way to call sum and product: >>> s = SUM (xrange (1000000)) >>> p = Product (xrange (1000000))Another way to achieve this: >>> nums = List (xrange (1000000)) >>> s = S

Article Description: How do I Know "she" ? Last time we discussed the role of UE in the team, there is a point that we have reached a consensus that the user is the basis of all experience, if the user's requirements have not been met, a good experience is naturally impossible to say. So how can we understand the needs of users? We all know usability testing, questionnaires and other ways to communicate with users, these methods have their

divided into the following steps to implement. The first is the concept of implantation and understanding of the stage: In this phase, we must be e-commerce on the future development of enterprises and the impact of the business opportunities to understand clearly, understand the current business situation and development of the most urgent need to solve the problem; Next is the website construction: for e

binding1.model-->view This flow is simple, after you request the data, through the block callback, the final update UI2.view-–>model reverse binding is the same, View trigger events, update the opposite ViewModel inside the binding data source, such as login registration of the TextField, you enter and delete, your Model field will correspond to update, when you submit, Reading the ViewModel field is the most recent data that has been updated. This is a way that I personally feel the other one

Today is the mid-Autumn festival, first bless A5 staff and all webmaster friends happy Mid-Autumn festival, happy family. "Content for the king, outside the chain for the emperor" This sentence, I believe Seoer have heard, but also understand the meaning. This article is mainly written to some novice, like Wang Shifan rookie SEO, so that these beginners really understand the meaning of this sentence. Next,

"Go" database paradigm 1NF 2NF 3NF BCNF (example) easy-to-understand explanationThis article on the majority of beginners database principles of the students is definitely a big benefit, haha, after the full reading of this blog post must be able to clearly understand the four main paradigms of the database. Do not understand the message to discuss with each othe

Reprint please add:http://www.cnblogs.com/courtier/p/4273193.html Before starting this article, the nagging words: 1: First, before reading this article, you should at least understand, what is the finite state machine, what is the KMP algorithm, because, this article is from the source of KMP, finite stateMachine, because, KMP is the DFA (deterministic finite automaton) on the simplification.2: Many KMP articles (limited automata

See so many overwhelming articles and posts, I actually did not have a few can read, really ashamed Ah, careful one elephant, is also a natural Outside are studying enterprise-class architecture and applications, I am in the client application, so I do not understand; Java is being used outside, or it is. NET technology, I am still in use C + + programming, so can not understand; Outside are using Sym

On the web, we often see pictures of the following effects, so let's take a look at one of the ways we can make this contrast chart: [The main point of this chapter]: mainly the use of mask! [Features]: It is simpler to understand, but the steps are rather cumbersome. [Specific production steps]: First, use the Ellipse tool to draw a blue oval filled with color, and then use the free Transform tool to rotate, zoom to the extent you are satisfied. Se

Article Description: know the reason why-where the design guidelines come from. The internet has played a great role in the dissemination of information, we face every day is to find, browse, read, understand all kinds of information, information design is always the same topic, how do people read and understand information? We look for and use visual structures When information is presented in

I contact SEO optimization is from the beginning of June 2010. Remember to step into the network industry is 2009 of May, then for SEO do not understand. Every day only to imitate people's practice, at that time I will not go to query Baidu Index, only see people do the site title is certain about net earn type of keywords, and then see their income map is very attractive to me, every day is hundreds of hundreds of of the income of the map, I think, i