dplyr r package

Http://blog.chinaunix.net/uid-26602509-id-3076870.html Source code and binary packages are two forms of software packages. The binary package contains a program that has been compiled and can be run immediately. All you need to do is download and pack (install) them and use them immediately. The source code package contains the original program code, you need to compile on your computer before you can ru

In-depth analysis of the Package in Laravel5.5, automatic Discovery of Package Auto Discovery, laravel5.5package Preface In earlier Laravel versions, the installation package usually requires several steps, such as adding a service provider to the app configuration file and registering related facades. Now, from Laravel 5.5, Laravel can automatically detect and r

Use InstallShield to package the VS program, and installshield to packageUse InstallShield to package the VS Program InstallShield is a packaging tool of Microsoft, which has its own advantages and disadvantages. Its advantages can be very good and convenient.. NET platform controls and the dll required by the program are packaged successfully. Its disadvantage is that pre-installation is required during in

), it is not necessary for us to define classes in the program because their class definitions are already loaded into memory. But for a user-defined object, the class must be defined before the object can be loaded from the file (such as an object in the basic object-oriented concept summer).Pickle BagFor the above procedure, the most common tool is the pickle package in Python.1) Convert an in-memory object into a text stream:Import pickle# define C

Php obtains the apk package information. php obtains the apk package. Sometimes, when using php to upload an android apk package, we need to obtain the information in the android apk package. This article describes how php obtains the apk package information in the form of a

How do I customize the composer package, and how do I use the custom package in the Laravel framework? Reply content: How do I customize the composer package, and how do I use the custom package in the Laravel framework? This actually has several problems to solve.Is your custom

If vs2010 is used properly, an error is reported this afternoon. The "Windows Forms designer package" package cannot be correctly loaded. Package load failurePackage 'windows forms designer hosting package' has failed to load properly (guid = {68939055-38e0-4d17-92cb-8909710d8178 }). pls contact

First, you need a NuGet account, which can be registered on the website: https://www.nuget.org. Existing account is slightly. Need a Apikeys, after login, in my account to find Apikeys go in; Create Apikeys Download Nuegt tool: Https://www.nuget.org/downloads Nuget.exe Put Nuget.exe in the csproj file directory Press and hold the shift+ mouse right-click to open the command window here Set Apikeys: Command format: NuGet Setapikey the created key in your accoun

We've seen Python's most basic mathematical operations in Python operations. In addition, the math package complements more functions. Of course, if you want more advanced math, consider selecting NumPy and scipy projects outside of the standard library, which not only support array and matrix operations, but also rich mathematical and physical equations to use. In addition, the random package can be used

PHP Custom APK installation package instance, PHPAPK installation package This article describes the PHP custom APK installation package method, share to everyone for your reference. The implementation method is as follows: As we all know, apk format installation file is the installation file of Android Intelligent system, let's take a look at a custom APK insta

Obtain the APK information (package name, version, version number, size, permission...) in a pure JAVA environment, and obtain the APK information on the PC end in pure JAVA language. The apk package name Obtain APK information in a pure JAVA environment: package name, version, version number, size, permission... To obtain APK information in a pure Java environme

Make the source code package into an RPM package in Linux Step 1: first install the rpm-build package to generate the rpm package [Root @ server1 ~] # Rpm-qa | grep rpm-build [Root @ server1 ~] # Yum install-y rpm-build Step 2: Create the httpd. spec File Note: common users are required. [Root @ server1 ~] # Useradd

Android package the project into a jar package, androidjar Package Android into a jar package for users. You can use the java reflection technology to obtain the corresponding id, so that users can easily replace what they need. 1. Create an Android project: ActivityLibrary. This is the project that needs to be package

1. Single File module : Copy files directly to $python_dir/lib this is the class library directory (you can directly place a single file or a single package here)2. Multi-file module , with Setup.py:python setup.py install uninstall can only be manually deleted, generally installed in the System Class library directoryPython setup.py install--record files.txt Log the path to the file after installation (uninstall Cat Files.txt | Xargs RM-RF Delete the

1. Use the full name of the package when installing and upgrading, and query the package name when uninstalling2, RPM Package installationThe above--nodeps can only be used when doing experiments! Because if it is written, if this package really depends on other packages, even if the RPM

Brief analysis of packagePackages in Oracle Brief analysis of the basic concept of a packagePackages can organize several functions or stored procedures to be stored as an object. The package is usually composed of two parts, specification (specification) and body (body).Packages can also contain constants and variables, and all functions and stored procedures in a package can use these variables or constan