cdb meaning

This book is about the Nazi period, as Jews, Frankel's family were imprisoned in Auschwitz, his parents, wives, brothers, all died in the gas chamber, only he and his sister survived. Frankel not only beyond this purgatory pain, but also his experience and academic integration, to create a sense of treatment, for people to find the meaning of regeneration, but also left the history of human nature the most glorious testimony.After reading this book, f

Main content: What is least squares The geometrical meaning of least squares Orthogonal projection matrix What is least squares?Suppose we have n-pairs of data on our hands, {(Xi,yi): I=1...N}, in order to explore the relationship between the Y-variable and the X-variable, we want to match it with a polynomial, but how are the coefficients in the polynomial determined? It's definitely not going to work, and the least squares meth

As a hard-pressed engineering student, "Signal and system" + "digital signal processing" is not the past, a variety of headache concepts and mathematical formula: Fourier variation, Laplace change, Z-transform, convolution, cyclic convolution, autocorrelation, cross-correlation, discrete fourier changes, discrete fourier time changes ...Some time ago in the discovery of an interesting example, vividly explain the physical meaning of convolution, and t

, no basketball awareness, no team sense, I played the position is the defender, and this person really difficult to cooperate, and with the team members of the same without teamwork consciousness, which once made me very tangled , the result is that I am floating in an outside line, become a useless person. And then this guy can not see the past, said I do not play, people are lazy, Daladala, well, I did not explain, I admit very lazy, for a programmer, let's say that is his praise to me.By thi

The meaning and relationship of nal, slice and frame in H.NAL Nal_unit_type 1 (encoding strip for non-IDR images), 2 (coded stripe data split block a), 3 (coded stripe data split block B), 4 (coded stripe data block C), 5 (encoded stripe of IDR image) typesAndThree coding modes for slice species: I_slice, P_slice, B_sliceThere are 3 types of frame: what is the mapping between I-frame, P-frame, and B-frame?Finally, what frame does the 6 (SEI), 7 (SPS),

working directory, and the role of her and the built-in command pwd is the same.# echo ~+/var/log~-Last working directoryThis symbol represents the last working directory.# echo ~-/etc/httpd/logs; Semicolon (Command separator)In the shell, the symbol that functions as a "continuous instruction" is the semicolon. such as the following exampleCD ~/backup; mkdir startup; CP ~/.* startup/.;; Continuous semicolon (Terminator)Dedicated in case options, assume the role of Terminator.Case ' $fop ' inHe

In pom4, the scope element is introduced into the dependency element, which is a very important attribute. In Maven projects, jar package conflicts and type conversion exceptions are caused by improper use of scope elements.The role of the scope element: controls the scope of use of the dependency element. In general, it is to control the scope in which jar packages are loaded and used.Scope contains five values, which are described as follows:Compile (Compilation)

leads to Frankel's most important point in this book: what is the meaning of life and what is the meaning of living. In practicing medicine, Frankel often asks patients who have undergone great pain: "Why don't you kill yourself?" "Now that you can sit in a clinic in Frankel, these people are certainly overcoming the difficulties they face in their lives and can answer his questions." Some people say that

the profound meaning of the C-language void keyword1. Overview This article explains the deep meaning of the void keyword and details the use and techniques of void and void pointer types. 2The meaning of void is literally "untyped",void* is "no type pointer",void*can point to any type of data. Void is almost only "annotated" and restricts the function of the pro

What is the meaning of life? What is the meaning of living? Perhaps this problem is too deep for us to understand what life means and why we live, but it is a question that needs our constant consideration.The famous psychologist Frankel was a marvel of the 20th century. During the Nazi period, as a Jew, his family was imprisoned in Auschwitz, his parents, his wife, his brother, all died in the gas chamber,

1 　　 Go home on the train, accidentally heard next to the little girl crying while calling family, she said: "Mom, sorry, originally said to make money to go home ..." she curled up in her seat and tried to suppress her cries, "but I did my best, mom, I don't regret it." ” 　　 Reminiscent of a previous reading of a log, some people say he has never believed the meaning of hard struggle. But is the meaning of

horse in uniform; the oral English usually refers to the competitor of the competition. Paper tiger is often used in China and Southeast Asian countries as powerful and weak enemies. The phrase ride the tiger indicates living in a very uncertain or dangerous way. 4. Rabbit-hare in British slang, Hare refers to people who do not buy tickets by car. The phrases that consist of hare are: Make a hare of sb. fool someone. Start a hare. The branch issues are raised during the discussion. For example,

You has no choice about the necessity to integrateyour observations,Your experiences, your knowledge into abstractideas, i.e., into principles.--ayn Rand, "philosophy:who Needs It" 1974Data Abstraction is a clear separation between the abstract characteristics of a data type and the specifics of its implementation. The "abstract feature" of the data type refers to the interface that is visible to the user code and how the data type is used. Data abstraction is the generalization of interface and

to say that when the hair is not received, when the collection is not sent. So how do you differentiate between sending and receiving? By default, the DCE sends data to the DTE, and when DTE decides to send data to DCE, the RTS is valid, indicating that the DTE expects to be sent to the DCE, and that the DCE cannot immediately convert the send and receive status, and DTE can determine if the CTS is valid to see if it can be sent. This avoids the loss of data caused by the DTE being sent when th

Crown B-Share, the code is 200018. SME Board stock code starts with 002, such as: Donghua co-creation stock code is 002065. Gem stock code to start with 300, such as: Pathfinder stock code is: 300005Letter meaning edit The letter meaning before the name of the stock: the "G" before the index name refers to the word "gong", which means "contribution". You can see the percentage contribution of all stocks to

Many tags can be used to change the appearance of text and to associate the text with its hidden meanings. In general, these tags can be divided into two categories: the Content-based style (content-based style) and the physical style (physical style).Content-based stylesA content-based style label tells the browser that the text it contains has a specific meaning, context, or usage. The browser then applies the formatting that is consistent with that

1. Questions 1.1 Apple Boxing Xiao Ming's family picked 123 apples, 10 apples can fill 1 boxes, 10 boxes of apples can be filled with 1 cars to the wholesale market to sell, asked how many of these apples can fill a few cars, a few boxes, and a few apples left? A smart friend might give the answer directly to 1 cars and 2 boxes, with 3 apples left. The process of calculation: 123 x/10 = 12 cases, 3 apples 12 Case/10 = 1 car, 2 cases Of course, some friends will immediately point out, why so SB's

Explain the meaning of M in MySQL Data Type int (M), mysqlint Introduction The integer types in the MySQL data type is a bit strange. You may see int data types such as int (3), int (4), and int (8. When I first came into contact with MySQL, I thought that int (3) occupied less storage space than int (4), and int (4) occupied less storage space than int (8. Later, I read the MySQL manual and found that I was wrong. int(M): M indicates the maximum disp

The flowchart can be clear. Intuitive expression of the focus of the copywriting, so more and more people in work and life use flowcharts. But what do you know about the symbols and meanings in the flowchart? Do you know what color each graphic represents? Today, the small part of the process flow chart for everyone to popularize the meaning of the symbol.In order to explain more clearly, the small part also through the production of flowcharts to exp

The This keyword has three applications: (1) This invokes the attribute in this class, that is, the member variable in the class, (2) This invokes the other methods in this class, and (3) this invokes the other constructor methods in this class, and is placed on the first line of the constructor method when called. Public Class Student {string name;//define a member variable name private void SetName (String name) {//define a parameter (local variable) name This.name=name ; Pass the value of the