adequate jod. The database servers is runing etc,but the-is not-how I-would want to define a DBA. I think one thing that defines a good dba,is someone who's willing and ready to jump in and go above and beyond their job Description. They is managing their core responsbilities,but
that's what internet companies need. Efficiency is productivity. And, because of the existence of the open source platform of Mono (http://mono-project.org/),. NET technology can also be used on open source servers such as Linux/bsd. make. NET fully achievable across platform applications. Accordingly, we can windows/linux two ways to structure our ASP. One, Windows platform in the Windows platform to d
destroyed (The Destructor has been called ). Although this behavior can cause abnormal results (this is why calling a virtual function from a constructor or destructor is considered a bad Programming Practice ), it is the basic knowledge that most C ++ programmers must understand.As you have pointed out, C #
What is runtime and internalcall? Many people may be confused about this question. Runtime and internalcall are a modifier of methods in msil. They can also be considered as an attribute. Similar to these two modifiers, there are also managed and unmanaged, and of course there are others, but perhaps only these two are familiar. Runtime, internalcall, managed, un
In an object-oriented system, various functions of the system are completed by collaboration of many different objects. In this case, it is not that important for system designers to implement their own internal objects. The collaboration relationship between objects becomes the key to system design. Communication between different classes and interaction between modules should be considered at the beginnin
problem of connecting with 0 euro resistance. Its EMC can do well.
Instead, some use ground-separated circuit boards, EMC is poor. The reason for this is the engineer's misunderstanding of the nature of EMC. In fact, the key point of EMC is to minimize the circulation path. If the circulation path is divided, it shoul
I have heard the word "independent thinking" more than once from all kinds of public knowledge and Big V, and have ignored it countless times without hesitation, just like ignoring the vast majority of information that comes into contact with every day. When I see something more, my own ideas and methodology begin to form, only to discover the value of independent thinking. Today, let's talk about the independent thinking I understand.First, what
effect (jumping webview is not what you want)Please try not to use unless special pages need to be created in more than one duplicate caseNote: I have encountered a custom trigger event (fire) resulting from the creation of a duplicate webview, and before returning, the DOM of the returned page has been modified to refresh, but the DOM has not been changed, in fact because of repeated webview, modified the
First of all to understand what is the white balance, it refers to the process of image processing, the original material is a white object of the image color reduction, the effect of removing the external light color temperature, so that it is also shown in the photo white.How does the color temperature understand? Th
What is PHP
PHP represents a "hypertext processor," which means you have to know that it is a server-side processing language and appears in HTML form. Its most commonly used place is the webpage, the data sends from the client to the Web server, the information is processe
IP address Structure
To understand what a subnet mask is, you must understand the composition of IP addresses. The Internet is composed of many small networks, each of which has many hosts, thus forming a hierarchical structure. When designing an IP address, considering the hierarchical features of Address Allocation, each IP address
missed!And this double pass is often the dealer most reluctant to tell consumers, you have heard, dual sim to single-pass the saying? Or do you have a channel, Multimode single-pass saying? Obviously not, but, as long as it's not a double pass. Once your phone is answered, the other number is automatically considered
On the left is normal HTTPS loading and the right side is SPDY loading. Isn't it amazing?
What is SPDY?
SPDY is a Google-developed application layer protocol based on Transmission Control (TCP), and the development team is pushi
Pseudo-Static is relatively true static, usually we to enhance the search engine friendly side, will be the article content generated static pages, but some friends in order to display some information in real time. Or you want to use dynamic scripting to solve some problems. You cannot display site content in a static manner. But this loses the friendly side of the search engine. How to find a middle method between the two, which produces pseudo-stat
One, what is high concurrency
High concurrency is one of the factors that must be considered in the architecture design of the Internet Distributed system, it usually means that the system can handle many requests simultaneously in parallel through the design.
Some commonly used indicators of high concurrency are resp
Site layout------Floating (float) and positioning (position) (absolute positioning, relative positioning, static fixed positioning), * * * what is called out of the document flow?@ Reference Document: http://www.cnblogs.com/jenry/archive/2007/07/15/818660.html@ What does it mean to leave the document stream? Note that only absolute positioning absolute and floati
Failure Analysis: Excel VBA is in fact Everyone Code Editor program, some people are considered to be macros, but Excel VBA is included in the macro program. Let's take a look at what Excel VBA is. How do I open it?
One, Excel VBA
. I think a lot of companies now don't value design. "--Dieter Rams
1.4 An example
Just a smooth and beautiful button or a fine wireframe is not a good design. It is a good design to create a meaningful and thoughtful thing through the sum of these principles.
Just as the lack of professional execution and good business plan can accomplish nothing, if the lack of carefully
-topic to this side, the following into the subject, today mainly want to talk about the concept of data mining and some of the content of the data, relatively speaking, the theoretical content is too much, but deepen the understanding of these things will let you do data mining more purposeful.
==================================================================== Data Mining
What does data mining really do?
good. If you want to find the reason, I summed up may be the site to do a long time, update faster than others, links more. Content for the king, link for the emperor, these reasons who have to understand, to say the truth, content and the chain I do is not good, so I think it is difficult to stand the feet.
First, say the content, everyone knows the original content
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