sfdc meaning

Tags: max ISS ror span post img In addition to debug echoLinux Shell Bash with special meaning exit code purpose descriptionThe exit command exits the current shell and can terminate the current script execution in a shell script.Common parametersFormat: Exit nExit. Set the exit code to N. (cause the Shell to exit with a status of N.)Format: ExitExit. The exit code is unchanged, which is the exit code for the last command. (If n is omitted, the exit s

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

On the physical meaning of negative frequency in spectrum --Reading analysis * Statement: This article is a large number of references to Chen Hui deep, Fang Haiyan of the relevant paper content* This article is the best I've ever read to explain the negative frequency of the spectrum, just to pay tribute to the two authors in this blog post. Absrtact: This paper discusses the physical

Single and double quotes in C are very different meanings,A character enclosed in single quotation marks actually represents an integer value that corresponds to the sequence value of the character in the character set used by the compiler, so a compiler with an ASCII character set, the meaning of ' a ' is strictly consistent with 0141 or 97.The string enclosed in double quotation marks is a pointer to the starting character of the nameless array .Po

One: The meaning of the signature:With so many people developing Android, it's entirely possible that we all put the class name, the package name, in the same name, how do you differentiate it? Signature is a distinguishing function.Since the developer may be confused by using the same package name to replace the installed program, the signature can guarantee a considerable name, but the signature of different packages is not replaced.APK If you use a

1. Preface.In declarative transactions, you configure a slice, a set of methods, such as Java code "Txadvice" transaction-manager="Txmanager" > "find*" read-only="true" propagation=" not_supported"/> The use of propagation, indicating how to use these methods of transactions, is used or not, of which propagation has seven configurations, REQUIRED, SUPPORTS, MANDATORY, Requires_new, Not_ Supported, never, NESTED. The default is required.2. The

This code is common to everyone:But what is the meaning of void (0) here?The void in JavaScript is an operator，This operator specifies that an expression is to be evaluated but does not return a value。The void operator uses the following format:1. javascript:void (expression)2. Javascript:void expressionExpression is a standard of Javascript to evaluate. Parentheses on the outside of the expression are optional, but writing is a good habit. (Implement

What is the meaning of the existence of pure virtual function? I believe that if there is a C + + course in the university, when it comes to pure virtual function, it will be said that pure virtual function is the basis of interface-oriented programming.Now and you share the pure virtual function design of the original, the purpose, the effect of production.Modern software engineering is very large, so there are a variety of technologies to solve the

HTTP Status Code meaning 1XX** Continue: Informs the client that the operation can continue　　* 101 Switching protocols: When a client needs to make a communication protocol switch, the server-side response is used in conjunction with the upgrade header　　 2XX*** Ok: The server correctly responds to the request and returns the status code if it does not match the other 2XX status code 　 *** 201 Created: Client request to create a new resource succeede

For example, if you are familiar with the header information of a webpage, it indicates the meaning lt ;! DOCTYPEHTMLPUBLIC quot;-W3CDTDHTML4.01TransitionalEN quot; www. w3.orgTRhtml4loose. dtd quot; gt; lt ;! -- Document Type -- gt; lt; html gt; lt; head gt; lt; metahttp-equiv quot; Content-Type quot; for example, familiar with the meaning of the header information of a webpage Http://www.w3.

In a. NET program/web site, if you want to generate statistical charts/graphs, you can previously use OWC (Office Web components), such as the OfficeXP component OWC10, Office2003 component OWC11. OWC uses the Com-dll method of the calling interface, but the main drawback is that the resulting picture is not beautiful enough "modern".Now, with the release of. NET 3.5, it has introduced a new MSChart component, which, of course, has been thorough. Net of the.First, to use this new graphics compon

HTTP error code meaning:"Continue":"101": Witching Protocols"$": OK"201": Created"202": Accepted"203": non-authoritative information"204": No Content"205": Reset Content"206": Partial Content"Multiple": Choices"301": Moved Permanently"302": Found"303": See other"304": Not Modified"305": Use Proxy"307": Temporary Redirect"$": Bad Request"401": Unauthorized"402": Payment Required"403": Forbidden"404": Not Found"405": Method not allowed"406": not accepta

Original blog, reproduced please indicate the source.Blog.csdn.net/hello_hwcThe meaning of this keyword: If a function uses this keyword, then when the function is called, it checks or uses the return value, and a compiler warns.Use case: When the function is encapsulated (or the SDK is written), if the use of the return value is more important, then use this keyword to remind the compiler to check whether the return value is being exploited.Example:-

@, @ Android: type, @ *, and ,@*,? , @ + Meaning and Difference I. @ indicates referencing Resources 1. Reference custom resources. Format: @ [Package:] type/Name Android: text = "@ string/hello" 2. reference system resources. Format: @ Android: type/Name Android: textcolor = "@ Android: color/opaque_red" Note: In fact@ Android: type/name is a subclass of @ [Package:] type/Name 2. @ * indicates that the system's non-public resources are referenced. F

LinuxThere are many releases and many distinctive names. Some are interesting, some are romantic, some have profound insights, some are cute, some are too short to satisfy the great ambitions of creators ..... 35 most popular Linux (BSD) are listed here)Meaning of the release name: 1.UbuntuIt means that every geek should know that this is an ancient African word that represents "human nature" or "My existence is because of the existence of everyone "