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Python Object-oriented basics

: Local data packaging Zip_file = Data_backup ("c:\\users\\alex\ Europe 100G HD Uncensored") # Step two: Upload to cloud server link = cloud_upload (zip_file) # Step Three: Test the availability of backup files Data_backup_test (link)if __name__ = = ' __main__ ': Main ()If you want to modify one of the sub-procedures, the other subroutines rely on the sub-process, it will have a series of effects, as the program becomes larger and hi

8 Java integrated development tools that are best for programmers

information (with download)Reply to the digital "2" machine learning Data Science must-read classic books with a kit!Reply to number "3" into AI ML: From basic statistics to machine learning book list (PDF download included)Reply to the number "4" understanding AI, 30 book list not to be missed (with electronic version pdf download)Reply to the number "6"ai Artificial Intelligence: 54 Industry Heavyweight report summary (download included)Reply Number "7"tensorflow Introduction, installation

Python Learning Notes (i):p Ython introduction and Getting Started

encountered this interval, I know is Chinese, go to another code table inside, this is stored in Chinese, there are other countries, such as Japanese, Korean, etc., this is called gb2312 code, it contains 6000+ characters, so that, Can solve the problem that the computer does not know Chinese. But Chinese culture, profound, not only have 6000+ a Chinese character, and then have GBK, Unicode, UTF-8 and so on, Unicode encoding is also called the Universal Code, which country of the text is applic

Website user behavior Analysis--linux installation

.(1) Before the system installation, the first format d in Windows, D disk about 100G, the D disk content is emptied, but found that after the format, the D disk still has 100M capacity can not be cleaned.(2) Restart the computer, select the USB flash drive. My notebook is the Lenovo Y series, press and hold FN and F12 immediately after booting through the keyboard ↑ and ↓ Select USB HDD, then press ENTER to enter.(3) After entering the Ubuntu system

Analysis of Java source code ArrayList

minneededcapacity.This is the first to get the current container size, and to expand, the expansion here is calculated as follows:Oldcapacity + (oldcapacity >> 1)That is, if the previous 10, then the new capacity is Ten + Math.floor (10/2) = 15.The new capacity will be compared with the required capacity, if not enough, then simply take the required capacity for the new capacity.The second if is to determine if the capacity after expansion is greater than the maximum (array can be reached) inte

Novice SQL Server database DBA need to pay attention to some small details _mssql

Preface: Any optimization and modification are based on the business situation as a prerequisite, may have written wrong or inaccurate place, welcome you to shoot bricks. 1. When creating DB, the growth proposal is set to increase in MB (M), the step size is set according to the volume of business, generally recommended to set 100-200m (see picture), there is to try not to change the initial size, this default is good. If you follow the default 1m growth in data files (MDF), and DB's business

Introduction to [blockchain-001] Bitcoin

is, 3~5 per second pen. Slow. One option is to increase the block to 2M and increase the speed by twice times. One solution is the BCH scheme, which enlarges the block to 8 m and increases it by 8 times times. But in essence it is useless to ascend to 100M. The lifting block size is not solvable. 7. Block Chain Full Network Peer-to-peer network, countless nodes, each node contains all the data block chain, is currently around 100g, will continue to

Diskgenius Use notes 1

not serious enough), decisively will D disk "Delete", and then see the C disk is too large, decided to reduce the C-disk capacity. Right-click C disk, select resize Partition, set to 60G, the system prompts you to perform in DOS: "The operation to be performed involves the system partition or partition of the software and requires a reboot to Dos to complete the operation ... "Direct Click" Confirm, the system restarts, enter the DOS version of the software to start partitioning, fast, and

Four foreign free PHP mysql super large capacity web space

100gb.co Free 100g/1000g/php/mysql/ftp/domain Space 100GB Free Shared Hosting:-100GB Disc Space-1000GB Bandwidth-Unlimited MySQL Databases-Unlimited FTP Accounts-Awesome Technical Support-Free Community Forums Application Address: http://www.100gb.co/clients/cart.php ribbon.to free 500m/php/mysql/ftp/subdomain/ads space Ribbon.to is a website from Japan, free 500M Web page space, traffic restrictions unknown, support PHP dynamic language and MySQL

Linux under Fallocate quickly create large files

I used to create a file that I normally use DD for example to create a 512M file: The DD command makes it easy to create files of a specified size, such as DD If=/dev/zero of=test bs=1m count=1000 Generates a 1000M test file with a total of 0 (read from/dev/zero,/dev/zero 0 source) But this is actually written to the hard disk, the file production speed depends on the hard disk read and write speed, if you want to produce oversized files, the speed is very slow In some scenarios, we just wa

Detailed local storage-based KVM virtual machine online Migration _KVM

"192.168.1.24 cq-kvm01" >>/etc/ Hosts 7, in the source host to connect to the target host LIBVIRTD and view the virtual machine information Virsh-c Qemu+tcp://root@192.168.1.26:16509/system virsh-c Qemu+tcp://root@192.168.1.24:16509/system 8, in the target host to create the same size of the mirror file, the path, name the same To add Preallocation=metadata, otherwise the virtual machine disk image becomes RAW format after the installation is completed with the Virt-install

Vim as the default editor for CRONTAB-E in Linxu

VIM is a big difference from other editors, but once you learn it, you can move through the text quickly. H,j,k,l, down, left, right.Ctrl-f on a pageCtrl-b down a page% jumps to the parentheses that match the current bracket, such as currently in {, then jumps to the place where it matchesW jumps to the next word, divided by punctuation or wordW jumps to the next word first, and the long jump, as end-of-line is considered a worde jumps to the end of the next wordE jump to the end of the next w

Make the website to choose the space of the misunderstanding (personal experience Summary)

space Heaven does not drop pie, believe this truth. Especially cheap must have a trap! 4. Do not blindly believe that the so-called big companies and the more expensive space I once bought a * * * data space, 400 trillion 800 yuan IIS400. There was no money (or students), the money is squeezed out of the teeth, began to think to buy a good space is certainly no matter, the result, Zooey short time can not access, at that time only dozens of of IP per day, but also appear wervice unvaluable.

ubuntu12.04 under the installation of ROS (fully validated) _ubuntu12.04

I. Ubuntu12.04lts installation (Lts=long term support long-term support) 1. Allocate 100G of unallocated space on the computer (XP: Delete logical partition, Win7: Compress ...) ) 2. Download the image files of Ubuntu system, such as: Ubuntu-12.04.4-desktop-i386.ios 3. The mirror file can be made into a startup disk, and ultraiso_9.5.5.2960 may be used to make it, method: http://jingyan.baidu.com/article/b24f6c82cf50e086bfe5dae9.html 4. Restart the co

Introduction to Neural networks (serial one)

take a look at their performance below. "1" quoted John R.searle's "Minds,brain and Science", P44. John R.searle, a contemporary American philosophy-psychologist, has written a wealth of books on the nature of the brain and consciousness. " 2" This refers to all the nerve cells in the brain, otherwise, if it is the dominant body parts of the nerve cells, it can be far longer, such as more than one meter. " 3" A reader pointed out: the number of neurons in the brain of the original book said

The difference between VIM commands and Cat commands in Linux __linux

down a page% jumps to the parentheses that match the current bracket, such as currently in {, then jumps to the place where it matchesW jumps to the next word, divided by punctuation or wordW jumps to the next word first, and the long jump, as end-of-line is considered a worde jumps to the end of the next wordE jump to the end of the next word, long jumpB Jump to the previous wordB jump to the previous word, long jump0 jump to the beginning of the line, whether or not indented, is to jump to th

Linux under Docker installation configuration Tutorial _docker

Install Docker on Linux, a few steps: Environment: Windows7 Virtual machine: Oracle Vmvirtualbox Linux:ubuntukylin-14.04.1-amd64.iso jdk:1.7 I. Environmental preparedness Step1: Installing virtual machines Step2: Modify the host BIOS configuration, detailed steps see article: http://www.jb51.net/article/96239.htm Step3: Install the Ubuntu system on the virtual machine. The memory is set to 4G, the hard disk is set to 100G, the rest is by defau

The realization of database cluster system based on MySQL

. However, the full functionality is still not possible.For Shared-storage and Shared-nothing Technologies, refer to Oracle and the relevant information on the IBM Web site.section II current database application statusAt present, database application situation is roughly divided into two categories, the first category is the amount of data under 100G, database access frequently, request intensive. Mainly is the application of the Web app type, for ex

Vista installation-NET2.0 development environment Note

First of all, Windows Vista Office 2007 is available in English only, which is inconvenient for users who need the Chinese environment, and is also a problem for those who need to develop a Chinese application system within a company or project. And the priest is currently working on the Acer NB Ferrari 4005, with 2G ram+100g hard drive, on the Windows XP 64-bit, primarily vs. + + SQL Server 2005 development environment, but before I change my forma

Application and thinking of Wan Xiaotong cable wiring System

Based on the continuous development and application of new technologies, such as cloud computing and IoT, network demand for bandwidth is increasing, especially in the cloud computing environment in the data center will be a large number of virtualization technology, thereby maximizing the utilization of server equipment, which requires a higher bandwidth cabling system to support the cloud Computing data Center network communication, 10G (Gigabit Ethernet) application has become the mainstream,

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