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1 ImportMatplotlib.pyplot as Plt2 ImportNumPy as NP3 4 fromSklearn.datasets.samples_generatorImportMake_blobs5 #Generate Data6Centers = [[-2, 2], [2, 2], [0, 4]]7X, y = Make_blobs (n_samples=600, Centers=centers, random_state=0, cluster_std=0.60)8 #Draw the data9Plt.figure (figsize=), dpi=144)Tenc =Np.array (centers) OnePlt.scatter (x[:, 0], x[:, 1], c=y, s=100, cmap='Cool');#Draw a sample APlt.scatter (c[:, 0], c[:, 1], s=100, marker='^', c='Orange'

best. Then, theprint function is not the same in Python2 and 3, in 2 The print function does not add (), and 3 must be added (). The specific differences are not discussed in this article, only the application of the print function in 3:1. Numeric, string, variable direct output1 Print(1) #数值213 4 Print("Hello World") #字符串5 Hello World6 7x = 128 Print(x) #int变量912Ten Ones ='Hello'#string变量 A Print(s) - Hello - theL = [1, 2,'a'] #列表变量 -

first, this nonsense, our current Linux server is installed by default OpenSSH software.Generating a public key pair is generated on the Management Server: [Email protected] ~]# Ssh-keygen-b 1024-t RSAGenerating public/private RSA key pair. #提示正在生成rsa密钥对Enter file in which to save the key (/HOME/USRNAME/.SSH/ID_DSA): #询问公钥和私钥存放的位置, enter with default locationEnter passphrase (empty for no passphrase): #询问输入私钥密语, enter a passphraseEnter same passphrase again: #再次提示输入密语确认Your identif

.！ Determine whether to reverse the end, the 16th line, can not use the number of digits, because the break out of the number of bits also minus 1Direct reverse: 1 intReversemin (intXintIintTen)2 { 3 intm =0; 4 while(i--) { 5 intRest = x%Ten; 6M + = rest *Ten;7X/=Ten; 8Ten/=Ten; 9 }Ten returnm; One}Overall code:1 classSolution {2 Public:3 intReverseintx) {4Unsignedinty =x;5 if(x0) y=-x;6

you change the code to tobelinked tobelinked = new tobelinked () and then run the same way, the exception will be thrown. Because this tobelinked class is actually used, this class will need to be loaded.Initialization of the Java classWhen a Java class is first actually used, the JVM performs the initialization of that class. The primary operation of the initialization process is to execute static blocks of code and initialize the static domain. Before a class is initialized, its immediate par

the smallest 2 of the power 2^1 gets 12. minus 12 of the smallest 2 of the power 2^2 gets 8. minus 8 of the smallest 2 of the power 2^3 gets 0. So C (+) = C (+) + C (+) + C (8) + C (0), as shown by the figure, the result is correct.In addition, the tree array can quickly find any interval and set sum (k) = a[1] + a[2] + ... + a[k], then a[i] + a[i+1] + ... + a[j] = SUM (j)-sum (i-1).The function of the tree array and the interval modified single point summation1 intSumintx)2 {3 intRET =0;4

defTest2 (func):8Start_time =time.time ()9Func ()#equivalent to Running Bar1 ()TenStop_time =time.time () One Print("Total run time%s"% (Stop_time-start_time)) A -Test2 (BAR1) The return value contains the function name (cannot modify the function's Calling method) 1 defbar2 ():2Time.sleep (3)3 Print("In the bar2")4 5 defTest3 (func):6 Print(func)7 returnfunc8 9 Print(Test3 (BAR2))#Gets the memory addressTen Oneres =test3 (BAR2) ARes () Nested functions

This article mainly introduces Python to implement the weight of random number 2 methods, this article directly gives the implementation code, the need for friends can refer to the Problem: For example, we have to choose from different provinces to choose a number, each province's weight is not the same, direct selection of random number is certainly not the case, you need a model to solve this problem. Simplify to the following questions: The key of the dictionary is the province, and value

In Python's standard library, there are many encapsulation features in the Functools library that operate on methods, and partial objects is one of them that can implement changes to the default values of method parameters. This article describes this feature as an example code. Here is a simple example of an application test. The specific code is as follows: #!/usr/bin/env python #-*-coding:utf-8-*-#python2 7x #partial. py #authror: Orangleliu

cost of storage, as in the case of vardecimal compressed data from the original SQL Server SP2, 30% of space savings means 30% storage costs, and according to the test data currently released by SQL Server 2008, The use of new data compression technology to achieve 2x-7x storage rate, plus if the enterprise to consider the disaster and increased storage space, so the cost of storage hardware savings will be significant. How to use data compression

Perhaps, the system comes with the font is not enough to reflect the charm of the application, for the performance of extremely strong Chinese characters, especially. At this time, we will think, if you can download the art of the Internet into the application package, it is not beautiful? So, can this be achieved? The answer is yes. Next, Allah will show you how to embed a custom font in WP 8.1 two development frameworks respectively. Why are two big frames? We know that t

://10.16.29.202:8890">kibana"http://10.16.29.202:8889">cerebro"http://10.16.29.202:8888">es-sql"http://10.16.29.202:8887">Head"http://10.16.29.202:8886">bigdesk"http://10.16.29.202:8885">HQ6.5 Start Nginx6.6 Visit Nginx homepage, use plugin. Password Authentication: User Password pass1236.7 Installation encountered a problem:Nginx:error while loading shared libraries:libpcre.so.1 solutionWorkaround:http://blog.csdn.net/ystyaoshengting/article/details/50504746Problem Analysis:On the Redhat 64-bit

-snapshot.tar.gzcd/var/lib/tomcat7/webappscp/srv/jstorm/jstorm-ui-0.9.6.2.war./MV ROOT ROOT.oldln -sjstorm-ui-2.0.4-snapshot ROOT2.zookeeper-web-ui2.1. Download3.jstorm integration with Apache3.1Apache Load AJP ModuleApache2.2 above can use AJP way, simple and convenient;Execute the following command to view the modules that Apache has loaded:Apachectl-t-D Dump_modulesExecute the following command to load the PROXY_AJP module:A2enmod PROXY_AJPYou can use the View command to view the modules that

Intranet and Internet are all Gigabit router architectures, with two-way forwarding rate up to 2 Gbps, and the transmission performance is 10 times that of a common Gigabit router! The access port is elastically configured to provide 2x Gigabit WAN + 7x Gigabit Switch LAN or 4x Gigabit WAN + 5x Gigabit Switch LAN in a flexible mode. This allows you to easily build a full Gigabit backbone network and improve network application efficiency, meet the ne

// http://incubator.quasimondo.com // created Feburary 29, 2004 // Android port : Yahel Bouaziz // http://www.kayenko.com // ported april 5th, 2012 // This is a compromise between Gaussian Blur and Box blur // It creates much better looking blurs than Box Blur, but is // 7x faster than my Gaussian Blur implementation. // // I called it Stack Blur because this describe

in the other seven eight-minute circles.5. Move each calculated pixel position to the circle path at the center of the circle and draw the coordinate values:6. Repeat step 3 through step 5 until.1 classSCREENPT {2 Private:3 glint x, y;4 5 Public:6 screenpt () {7x = y =0;8 }9 voidsetcoords (Glint xcoordvalue, glint ycoordvalue) {Tenx =Xcoordvalue; Oney =Ycoordvalue; A } -Glint Getx ()Const { - returnx; the } -Glint Gety ()Cons

Title Link: http://acm.hdu.edu.cn/showproblem.php?pid=5869Ask you about the GCD kind of continuous sequence between l~r.First fixed right end, pretreatment gcd different as far as possible on the right position (at this time gcd species not more than loga[i] species).Preprocessing GCD The following code, feel really a bit ingenious ...1 for(inti =1; I i) {2 intx = A[i], y =i;3 for(intj =0; J 1].size (); ++j) {4 intGCD = gcd (x, Ans[i-1][j].first)

. U2. Use the Request. QueryString attribute to obtain dataThe QuerySting attribute of the lKQ v "c6 {Request object can be used to obtain a set of HTTP query string variables. Through this attribute, we can read the address information localhost/aaa. aspx? Uid = tom pwd = abc indicates the data marked as the red part. Note: Set the submission method to [color = red] Get [/color].@; ^ Of '@ 7X P. Y5T} R$} # N3. Problem: Request. Form is used when the

soft-max Network A,A-LRN B C D E Number of parameters 133 133 134 138 144 The number of convolution layer parameters is small, and the last three full connection layer parameters are many. Training takes a long time in Convolution, resulting in a large amount of computing. D is the VGGNet-16, E is the VGGNet-19. C has three 1x1 convolution layers more than B, linear transformation, and the number of input and output channe

11 when the result is 1, otherwise 0.Or: |; Bits | operation, only 0 | 0 o'clock the result is 0, otherwise it is 1.XOR: ^; any of the same bits ^ operations, the result is 0;1^1=0, 0^0=0.Not the same bits ^ operation result is 1. 1^0=1, 0^1=1.Inverse code: ~; Reverse binary.6, ternary operatorD=a? B:c, that is, when a is true, D=b,a is false, B=d.Gets the large number of two numbers.int x=3,y=4,z;z = (x>y)? The x:y;//z variable stores a large number of two numbers.Precedence of the operator: