handy tools to have

Multivariate function fitting. such as TV and radio prices, the impact of multiple sales, at this time there are two independent variables.Python solution:ImportNumPy as NPImportPandas as PD#import Statsmodels.api as SM #方法一ImportStatsmodels.formula.api as SMF#Method TwoImportMatplotlib.pyplot as Plt fromMpl_toolkits.mplot3dImportAXES3DDF= Pd.read_csv ('Http://www-bcf.usc.edu/~gareth/ISL/Advertising.csv', index_col=R) X= df[['TV','Radio']]y= df['Sales']#est = sm.

In the previous article, we discussed how to use VPD to access the rows in an Oracle table (see Oracle Database Security-Virtual Private database (VPD)), which describes an access control technology that is more complex than VPD--ols (Oracle Label Security). Enable OLS If your database version is 10g, you will need to install additional OLS components, but if i

OSL Regression Simple linear regression> fitGet Predictive regression formula: Weight=-87.52+3.45*heightPolynomial regressionFIT2Three quadratic linear regressionFIT3Multivariate linear regressionFITmultivariate linear regression with interacting itemsFITRegression judgmentFITFIT2NEWFIT2Detecting outlier values#离群点library (CAR) outliertest (FIT) rstudent unadjusted p-value bonferonni pnevada 3.542929 0.00095088 0.047544 # High leverage value hat.plot#强影响点cutoff Library (CAR) avplots (fit,ask=fal

Copyright noticeThis article is starting in the June 2014 issue of "Programmer" magazine, please do not reprint without permission.ObjectiveFrom Apple's invention of the IPhone, one of the stories on AppStore, like Flappy Bird, has stimulated a large number of developers to join the mobile development army. As these developers emerge, there are a number of tools that are handy for iOS developers. These tools, as an important link in the entire applica

The basic operation of data query, deletion and so on is the basis of any programming language, so we study the common type of data operation in C #, and make a handy note.When a list is queried, the HashsetHashsetList lookup complexity O (n), HashSet find complexity O (1)Delete Add operation for dictionary class:By default, the position of the element that is added is the position at which the element is deleted.In the case of sorting, the position o

Transferred from: http://www.growingwiththeweb.com/2014/01/handy-adb-commands-for-android.htmlView connected device (s)Use the To view all connected devices and list their IDs.ADB devicesIf multiple devices is attached, use to adb -s DEVICE_ID target a specific device.Install an applicationUse install the command to install an APK, the optional -r argument reinstalls and keeps any data if the application is a Lready installed on the device.Install -in

A handy technique for software Dreamweaver in plane1. Flexible use of StyleUsers familiar with web design know that there are many ways to call style, and we can either click the right mouse button to choose Custon style to invoke the style standard, or you can right-click on the list of elements in the status bar to invoke style. Although the effects of different methods seem to be the same, the actual resulting HTML code is completely different. For

Quote: 工欲善其事, its prerequisite. But do you use a sharp tool to help you finish your work or do you do it with multiple sharp tools? Are you an expert at some point in a certain field or a generalist in a field? It depends on what kind of person you want to be. The rational use of tools is like divine help. Jumping between the various software itself is also a way to slow down your aging thinking, right!Disclaimer: This article will be controversial and you can post different views!Let's take a W

Original: GhostDoc Pro v4.9.14093.cracked.by.submain A handy Code comment generator tool--vs PluginA more useful VS plug-in that can quickly generate comments.This is the Pro version, which supports batch generation of comments on classes, files and the ability to generate CHM Help files compared to the standard version.For specific differences, go to: http://submain.com/products/ghostdoc.aspxSimplify your XML comments!GhostDoc is a Visual Studio exte

Ubuntu 16.04 is a long-term support version (LTS) and is an updated version of the canonical commitment to release five. That is to say, you can make this version run on your computer for five years! This makes it especially important to set it up at the outset. You should make sure that your software is up-to-date, that you have installed your favorite apps and are handy to use. It's not hard to do that. You just have to do it in the right direction,

remember not to read the words, "when you have a good hammer, you think the world is a nail." All the things, all the problems, you try to use this hammer to solve. In many cases, often, this hammer does not solve the problem, or that there are better tools to solve the problem at hand. For example, it is more efficient and convenient to use a screwdriver to remove a nail from a wood. programming languages, such as C #, are the Hammers in our hands, and the thinking and thinking habits formed

Tag: Refresh is ISP ice Har Ali Cal official website bitAs I said in my previous essay, I am not a DBA, but as a migrant worker, I still need access to databases and various databases.For example, Xendesktop/xenapp uses the SQL Server,xenmobile PostgreSQL, as well as the previous learning of AWS with MySQL, or even write a small program with SQLite ...I'm adamant that I don't want to install so many database clients on my computer, so I find it very enjoyable to have a gadget that can support th

') Else: Print 'test byebye \ n'Log.write ('test failed \ n') #Open UserInfoDevice.touch (850,68,'down_and_up') Time.sleep (2) UserInfo=device.takesnapshot () userinfo.writetofile (Path+'UserInfo'+ STR (i) +'. PNG','PNG') Ufoture= Monkeyrunner.loadimagefromfile ('D:/pic/tuserinfo.png') if(Userinfo.sameas (ufoture,0.75)): Print 'userinfo pic is the same \ n'Log.write ('userinfo test passed \ n') Else: Print '

+ "*" +targetheight); return insamplesize;}}public static int calculateinsamplesize ( bitmapfactory.options Options, int reqwidth, int reqheight) { //Raw Hei Ght and width of image final int height = options.outheight; Final int width = options.outwidth; int insamplesize = 1; if (Height > Reqheight | | width > reqwidth) { final int halfheight = HEIGHT/2; Final int halfwidth = WIDTH/2; Calculate the largest insamplesize value is a power of 2 and kee

+ "Settinglocationtime () Time:" +time); Thread.Sleep (time*1000);}} /** * You can put the bundle in the place where class is loaded, instantiate the object * Once the data is loaded, execute the clear () function before the next call, and the bundle object is equivalent to an iron bowl * each loaded with different water. It avoids having to open up new memory space each time to hold the bundle object * The Message object is simpler, because I callback a handler object, we can directly call the

for the platform is Spring (MVC) 4.2.x + Mybatis 3.3.0, in the front-end UI, implemented in two versions for different environments, based on the common version of the jquery Easyui and the bootstrap 3-based version of the supported mobile end, Modular through Requirejs.The main technologies used and third-party packages are: Project build: Maven 3.3.9, another Nexus Version management: Use Git early, and later because of the LAN development, instead of SVN Continuous Integrati

A handy verification code PHP tool class /** * Verification code */ Class Base_Tool_Verify { /** * Verification code generation method */ Public static function createCode (){ // Generate a verification code Image // All numbers $ Str = "D, B, 2, 3, 4, 5, 6, 8, 9, A, B, C, D, E, F, G, H, W, J, K, M, m, N, K, P, Q, R, S, T, U, V, W, X, Y, Z "; // you can add or delete t

Public Static ObjectChangeType (Objectvalue, Type targetType) { if(Targettype.isgenerictype targettype.getgenerictypedefinition () = =typeof(nullable) {nullableconverter Nullableconverter=NewNullableconverter (TargetType); Type Converttype=Nullableconverter.underlyingtype; returnConvert.changetype (value, Converttype); } if(Value = =NULLtargettype.isgenerictype) {returnActivator.CreateInstance (TargetType); } if(Value = =NULL) {

executing code, the code must be compiled into machine code using the JIT compiler(4) Running machine code in a managed CLR environment5. C # is a type-safe language (data of a specified type cannot be converted to another unrelated type)6, Console.readkey () Wait for the button7. All C # files use. cs As the file name extension8. You can extract the comment text when compiling the project by configuring vs to get a text file to create the document specification.9, code highlighting function: A

:　　Location ~\.fcgi$ { Fastcgi_pass 127.0.0.1:9000; Fastcgi_index index.fcgi; Fastcgi_param script_filename/$fastcgi _script_name; Include Fastcgi_params; }Reboot the Nginx reload configuration file.To run the SPAWN-FASTCGI program:SPAWN-FASTCGI-A 127.0.0.1-c 20-p 9000 MainSuccessful tip: Spawn-fcgi:child spawned successfully:pid:13404Now open the browser and enter localhost/test.fcgi to se