dictionaries instead of doubly linked lists to represent matrices. We've got Y. From it we can quickly access the column elements of each row. Now we also need to generate a reverse table for the row, in other words, to quickly access the row elements from the column. For this to happen, we convert x to a dictionary. In the above example, it should be written as
X = {
1: {' A ', ' B '},
2: {' E ', ' F '},
3: {' d ', ' E '},
4: {' A ', ' B ', ' C '},
5: {' C ', ' d '},
6: {'
The most recent topic is a large-scale, large data, high-performance, high concurrency and other architectural topics, in fact, an E-commerce site must initially be small, small amount of data, do not need to make the structure too complex. Highly designed and overly scalable (as Gartner has said, "premature optimization is the root of all evils") is a problem that many small e-commerce sites are now prone to making. Start the server on one, there is
Talking about CRM does not mention Siebel and talk about the carpenter does not mention Luban is just as unreasonable. I am from the reporter interview Siebel the first Chinese area manager Wang Qiang's article to seek to feel out.
Wang Qiang said 1995 Siebel Company launched the Siebel 95 product is the first real sense of CRM products. But this product is the first product of the Siebel company, playing the banner of CRM. But the term CRM is proposed by G
. From extensive defense to fine-grained defense transition, access control refinement, monitoring audit refinement, encryption requirements refinement, how to control the media, printing how to control, access control, electromagnetic radiation, behavior control. There is also a credibility of the hot spots, including trusted networks, trusted computing and so on.
Sarbanes-Oxley Act, the main purpose is to standardize the listed companies to achieve internal control of enterprises. There are a
company, so that it expenditure is spiraling, the quality of the content has a negative impact, and then diluted the brand image.
Unnecessary expenses.
The Enterprise Information portal (EIP) can whitewash and even encourage the reproduction of the company's Web site, because it simply covers a veneer of appearance on several information-receiving sites or adds a shell to the business application software. This is a costly issue--every new site adds to the system's cost and maintenance costs--a
implemented a unified development of integrated business systems, providing customer information integration conditions. From the perspective of leadership support, the current president is specialized in High-tech environment of business development, he has a unique view on the use of information technology to develop banking business, so ICBC is currently in the Data Warehouse first project (Customer relationship Management) has made substantial progress. How to cross the threshold of data Wa
= Requests.post (URL, data = formdata, headers = headers)
print Response.text
# If the JSON file can display
print Response.json directly ()
Run results
{"type": "En2zh_cn", "ErrorCode": 0, "ElapsedTime": 2, "Translateresult": [[{"src": "I Love Python", "TGT": "I Like Python"}]] , "Smartresult": {"type": 1, "Entries": ["", "Wen", "Gartner"]}}
{u ' errorcode ': 0, U ' elapsedtime ': 0, U ' translateresult ': [[{ U ' src ': U ' I love python ', U
XML in many seminars and training courses I have met many people who do not understand why using XML does not know how to use XML in their applications. Some reports from Gartner suggest that business companies can no longer be outsiders and cannot ignore XML. If you're not sure what the benefits of XML are, you're not the only one.
I decided to put together a conversation about XML topics with people and the media, listing the five most popular uses
billion dollars in risk investment
Chinese. It turned out that the reviewers were greatly mistaken. Many potential customers are scared off because of concerns about the security of company secrets and Internet reliability. With
, the ASP's money began to run out to pay for the huge cost of building data centers and obtaining package authorization. Pandesic and Red Gorilla, stopped in the last 6 months
Closed the business, dumped more than 100 unlucky customers.
According to IDC, the ASP marke
new programming model based on SOAP and Web services fundamentally changes the design approach of the application and brings a new profession: Web services are provided online.
These changes tend to establish a loose connection between the Windows 2000 operating system and the upper layer of the provider application service. To illustrate these changes in greater depth, the following article will be elaborated in more detail.
What is more, these technological changes are related to. NET platfo
-user applications, data, and settings) from the architecture layer below it, providing new management and deployment options for the enterprise. The benefits of desktop virtualization, however, are not excessive:
· The Gartner Total cost report, published on August 4, 2008, says the deployment of virtual desktops can reduce the maximum cost of 2800 dollars (including approximately 1200 dollars in hardware/software costs) and eliminate most of the te
The builders of Data Centers (DCs) will focus more on servers, storage and other IT equipment, even for the builders concerned about infrastructure, power distribution, refrigeration will also become their focus, integrated wiring often become a supporting role, or even become a "crowd actor", the result is the data center of the "whole scene" are devoid of vitality.
High return on investment in a large background
Market consultancy Canalys data show that the global data center infrastructure
confused.
In addition, because storage virtualization is a step for users to achieve full virtualization of their data centers, users are faced with the challenges of how to develop their own storage policies and how to properly utilize them. For example, in keeping all data, but expensive and relatively difficult to query data, or only important data, relatively low cost, data query naturally easier but the results may not be completely satisfied with the choice of a balance between the two w
outside the enterprise. Its real-time access functionality integrates proprietary and emerging data sources (both structural and unstructured), making the data appear to be stored in the same place. "Yin Dan Ling said.
Information integration
At present, many enterprises emphasize to store business information in their database, but Yin Dan Ling that as part of IBM Information Management platform, DB2 information integrator help customers to integrate heterogeneous infrastructure and retain t
on Sybase, the telephone center software is based on Informix, the accounting packages are based on Oracle, and the customer service and accounting systems are based on Sybase. We have adopted many of the products in the Sybase Enterpriseconnect product line to integrate these data sources so that we can supply data to the Data warehouse. "We use Reflication server to replicate real-time hierarchical data back to the data warehouse, running very well and not feeling the impact on the product sy
, codered, and bugbear.
2. Attacks on new vulnerabilities are now being generated much faster than before. It is particularly important to prevent new and unknown threats, known as "0 Hours" (zero-hour) or "0" (zero-day).
3, with social engineering trap elements of attacks, including spyware, network fraud, mail-based attacks and malicious Web sites, such as the number of significant increases. Attackers spoof legitimate application and messaging information to deceive users into running them.
This article was first published in Computer Magazine and is now presented to you by Infoq IEEE Computer Society.
Thanks to its super portability and ease of use, smartphones have increased our daily lives in many ways, providing instant access to rich information on the Internet, as well as the following features: credit card payments, video conferencing and language recognition. According to Gartner, more than 428 million mobile devices were sold
program, small and medium-sized enterprises are using partners to market points.
The impact of financial crisis on enterprises is very far-reaching. Many enterprises have reduced IT operations, and a large number of IT projects will be affected. However, we should also note that the financial crisis drives the process of virtualization, as the virtualization scenario can significantly reduce management costs, enhance the ease of work for IT staff, and make fuller use of current limited resourc
more effective and convenient. and the latter for household appliances, it may be a market start-up period, with Web services as the basic framework, intelligent household appliances will truly get the standard of support, which has the possibility of widespread use.
system-oriented Web Service: Some traditional system services, such as user rights authentication, system monitoring, etc., if migrated to the global Internet, or intranet within the enterprise, Its scope extends from a single sys
diminished, they still represent a way for users to access community information. Gartner Dataquest predicts that 15.5 million PDAs will be produced in 2002 years. The need for a PDA interface is very different from the need for a Windows or Web application because of the smaller screen of the PDA, the limited input technology, and the typical usage environment.
Because the application designed for the PDA is very different from the development of Wi
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