structure

问题 After four years in development with Xcode I started to ask myself (well, yes, I know, a little too late but when you are deep in coding you don't see other things) what kind of structure and organization of files and folders can be a good one to follow some sort of guidelines. I saw Google coding guidelines and I wonder if there's any similar doc around for the subject of this question. I can see that if you create a new project in Xcode (I'm using the latest version) you have one folder

问题 Last night I dump windows 7 and formatted my hard driver to port to a Linux based operating system, Purely for the reasons that I wanted to start working with Node.JS So I have installed Node.JS and have done a few test stuff, the http server and sockets etc. What I would like to do is build a HTTP Server that is tightly intergrated with an MVC Framework, but before I get started on all that I need to learn how to build efficiently in Node. For example within PHP as my framework I would

问题 If you search for skips lists implemented in Haskell, you won't find many. It is a probabilistic data structure needing a random number generator, meaning that any of these structures would need to run in the IO monad. Are Haskell folks staying away from these data structures because it's not possible to implement them purely? How can Haskell deal with them? 回答1: A pseudo-random number generator can of course be used outside of IO , by simply storing the current generator value along with the

问题 I am trying to create a structure diagram from the data like the following: mydf <- data.frame ( group = rep (1:5, each = 20), z = rnorm (20, 10, 1), x = c(rnorm (20, 2, 0.5), rnorm (20, 2, 0.5), rnorm (20, 9, 0.5), rnorm (20, 9, 0.5),rnorm (20, 5, 0.5)), y = c(rnorm (20, 2, 0.5), rnorm (20, 9, 0.5), rnorm (20, 2, 0.5), rnorm (20, 9, 0.5), rnorm (20, 2, 0.5))) means <- aggregate(. ~ group, data = mydf, mean) gmx <-mean (mydf$x) gmy <- mean (mydf$y) library(ggplot2) ggplot(mydf, aes(x, y)) +

问题 I am trying to create a structure diagram from the data like the following: mydf <- data.frame ( group = rep (1:5, each = 20), z = rnorm (20, 10, 1), x = c(rnorm (20, 2, 0.5), rnorm (20, 2, 0.5), rnorm (20, 9, 0.5), rnorm (20, 9, 0.5),rnorm (20, 5, 0.5)), y = c(rnorm (20, 2, 0.5), rnorm (20, 9, 0.5), rnorm (20, 2, 0.5), rnorm (20, 9, 0.5), rnorm (20, 2, 0.5))) means <- aggregate(. ~ group, data = mydf, mean) gmx <-mean (mydf$x) gmy <- mean (mydf$y) library(ggplot2) ggplot(mydf, aes(x, y)) +

问题 I dont know, either I am not that good in the art of 'search' or this topic is so so simple that nobody generally asks this but I have been searching this ever since i started my website. I have only four block elements on my webpage. The first Block element displays on the top alone The second, third and fourth block elements, I want arranged in a single horizontal line from next line At present I am using the table to do this, but its bad styling, isn't it?! Please tell me a way in which I

问题 Consider these two cases : struct customType { dataType1 var1; dataType2 var2; dataType3 var3; } ; customType instance1; // Assume var1, var2 and var3 were initialized to some valid values. customType * instance2 = &instance1; dataType1 firstMemberInsideStruct = (dataType1)(*instance2); class CustomType { public: dataType1 member1; dataType2 member2; retrunType1 memberFunction1(); private: dataType3 member3; dataType4 member4; retrunType2 memberFunction2(); }; customType object; // Assume

问题 This question already has answers here : How to initialize a struct in accordance with C programming language standards (14 answers) Closed 4 years ago . How can I initialize a structure if one field in the structure is itself a structure? 回答1: You need to use more braces (actually, they're optional, but GCC makes a warning these days). Here's an example: struct s1 { int a; int b; }; struct s2 { int c; struct s1 s; }; struct s2 my_s2 = { 5, { 6, 3 } }; 回答2: Nesting of structure You can

问题 I wrote a simple script to calculate the golden ratio from 1,2,5. Is there a way to actually produce a visual through tensorflow (possibly with the aid of matplotlib or networkx ) of the actual graph structure? The doc of tensorflow is pretty similar to a factor graph so I was wondering: How can an image of the graph structure be generated through tensorflow? In this example below, it would be C_1, C_2, C_3 as individual nodes, and then C_1 would have the tf.sqrt operation followed by the

问题 In C11 standard there is following definition of common initial sequence shared by structures nested within a single union: 6.5.2.3/6 One special guarantee is made in order to simplify the use of unions: if a union contains several structures that share a common initial sequence (see below), and if the union object currently contains one of these structures, it is permitted to inspect the common initial part of any of them anywhere that a declaration of the completed type of the union is