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Array algorithm/*=============================================================Title: The product of the triangle on the four-order matrix, the product of the main diagonal, the product of the Vice-diagonal:Such as:8 3 6 50 4 3 20 6 1 57 0 0 2The upper triangular product is: 172800The main diagonal

After 5 to 10 years of development, what else do we need to learn in addition to caring about technology? The product line is a system. This must be included: basically, no single project or product is used as a product. Currently, most of the products are based on the product line, so how does it adapt to business nee

as a product planning, to remove the prior insight strategy and product requirements, to determine product features, to the back of the structure of the framework elements of the process, but also the need for "professional design draft" and "Design document description", then what is it like? A. The documentation usually contains the following sections

In this paper, we present a method for calculating the sum and product of values in an array of PHP. Share to everyone for your reference, as follows: First, overview: The Array_sum () function is used to calculate the and of all values in the array.The Array_product () function calculates the product of all the values in the array. Second, use example: Array_sum () The PHP array_sum () function calculates

A small problem occurred in the recent development process. By the way, record the reasons and methods-product groups. Target Audience What are the groups facing the product? What are their common features? What is the market size of the target user group? Can it be sustainable? Clear industry competition Is there a special value for the product content

Article Description: How to recruit a good product manager. This article is excerpted from the Book of Revelation: Creating a User favorite product, the author's blog, and published in "Programmer" magazine 11 07, this article is a review of his more than 20 years in the management of software products and experience to share the summary of the recruitment of

Article Description: the main responsibility of the product manager. As a new product manager, or even a senior PM, you may have some sort of confusion about the position. What exactly is a product manager? What is the main responsibility of this position? In different areas of the IT industry, and even in different companies in the same field, the def

The whole responsibility of the product manager is to unite the different components of the enterprise into a coherent and strategically focused whole, and to maximize the value of a product by understanding the changing market demand and optimizing the product to the target market. Product Manager Responsibilities Des

Article Description: Reconstruct the organizational structure of the product department. Remark: Organizational structure can affect people's behavior. As long as the role is accurate, the management is appropriate, most of the organizational structure is feasible, if your company's organizational structure and any of the theoretical recommendations are different, the company is working well, it is recommended that you keep this structure d

Web page Production WEBJX article introduction: the operation of Internet products. Yesterday at the annual meeting of the UCDChina2010 year, generally similar to such a conference, the workshop is often the most harvested, because the actual operation of the simulation, or some of the more enforceable methods to share. In fact, training and reading, learning (read) feel very right, But how to really use in the actual work is the hardest ~ Because of the operation has been not good,

1.1 What is "operation". The introduction of seed users → the introduction of the topic → find enthusiastic users to strengthen communication → offline activities to help group members to conclude the relationship →sop (standard working document), the definition of the main events → Group of benign development. Operation, is through a series of go-between action and resources input, let one thing can continue benign development. 1.2 Why different companies operate differently. The main body of