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Java's ubuntu12.04 development environment preparation

Runtime Environment (build 1.7.0_07-B10)Java HotSpot (TM) Server VM (build 23.3-b01, Mixed mode)Finally, configure eclipse (the following)sudo gedit /usr/share/applications/eclipse.desktop Fill in the text:[Desktop Entry]Name=EclipseComment=Eclipse IDEExec=/Opt/Eclipse/eclipseicon=/opt/eclipse/ ICON.XPMterminal=falsetype=applicationcategories=application;development; Then go to the/opt/directory to build Eclipse's shortcut desktop (same as Windows).It is recommended to pin it directly

Python Environment Preparation 01

Linux comes withGo to input pythonExit exit () or Ctrl+dOutput displayprint "Field"Script definition#!/usr/bin/env python #让env自动去寻找python解析器Python Set auto-complete function (tab)Python mode >> Import ReadLine>> Import Rlcompleter>> readline.parse_and_bind (' Tab:complete ')>> PPass POW (print print ( System Configurationvim/usr/local/bin/tab.py#!/usr/bin/env pythonImport Readline,rlcompleterReadline.parse_and_bind ("Tab:complete")Vim ~/.bash_profilePath= $PATH: $HOME/binpythonsta

A step-by-step process to develop Tetris with Swift: No.2 preparation

: Let is a constant light, equivalent to the final in Java, and Var is the equivalent of a variable. give a very clear example from StackOverflow:The following example should be easier to understand:can you carry it? Next we look at the Viewcontroller file:? and! the first line in the code indicates that Gamescence is not a optional variable. What is optional? This is the variable that can be nil or not. Swift typically enforces instantiation either in-line where you declare the variable or duri

Step-by-step write algorithm (the preparation of the general algorithm)

-) {for (inner = 0; inner Then, in a specific application, it is only necessary to convert the void* to the data pointer you need. For example, if you sort int, we need to add these two functions.int compare (void* var1, void* var2) {int* p_var1 = (int*) var1;int* p_var2 = (int*) var2;return (*p_var1 > *p_var2)? 1: 0;} void swap (void* var1, void* var2) {int* p_var1 = (int*) var1;int* p_var2 = (int*) var2;int Median;median = *p_var1;*p_var1 = *P_VAR2;*P_VAR2 = median;}The function call looks lik

oracle11g Silent Installation----> pre-Work Preparation script "one"

= ' Oracle ']| | [$USER = "Grid"]; Then ' >>/etc/profileEcho ' if [$SHELL = '/bin/ksh ']; Then ' >>/etc/profileEcho ' ulimit-p 16384 ' >>/etc/profileEcho ' ulimit-n 65536 ' >>/etc/profileEcho ' Else ' >>/etc/profileEcho ' ulimit-u 16384-n 65536 ' >>/etc/profileEcho ' fi ' >>/etc/profileEcho ' fi ' >>/etc/profileecho "Modifing The/etc/profile has been succeed."echo "Now modify the/etc/sysctl.conf,but with a backup Named/etc/sysctl.bak"Cp/etc/sysctl.conf/etc/sysctl.conf.bakecho "FS.AIO-MAX-NR = 1

Chapter One introduction of Linux system and preparation of environment construction

Tags: gen Modify restart field 1.2 size open what is Linux software1. Operating system:Operating system, or OS, is the core of the computer system, which is the basic environment support for application operation and user operation.The operating system is the system program software that is used to transfer information between the user and the computer system hardware.1.1.2 What is Linux?Linux: Unix-like operating systems.Linux: Mainly used in server-side, embedded development and personal PC de

Shell Programming oracle10g pre-installation in rhel6.4 preparation work

saves the content in a file, such as sed/match content/d-i/tmp/ceshi.txt2. grep matches multiple conditionsGrep-e ' a| b| C3, mkdir already exists directoryIf the directory already exists, the error will be directly.Plus the parameter "-P" will not error, but the-p parameter to create the parent directory, using this parameter will not recreate the directory, that is, the files in the original directory will not be deleted.4. Cut Command ReviewCut-d ': '-f 2/tmp/123.txt5. Date Command ReviewDat

"Source" self-learning Hadoop from zero: Linux preparation

click the Xshell xftp link. /var/www/-IVH jdk-7u67-linux-x64.rpm#查看版本Java-version Eight: Modify the hosts This is to be changed in every system. #编辑hosts /etc/hosts Nine: SSH settings Enter H30 to see if SSH is installed, and if so, continue without installation. rpm-qa| grep SSH Create the. SSH directory. Viewing the file, the first letter D is a directory, followed by permissions, such as the creator, the average person, we are interested in checking the Linux

Python Interface Automation test (preparation of the C test environment)

needed:First, install PythonThe Mac comes with Python installed, and that's not much to say.Second, install the virtual environment:We can install multiple versions of Python on a single machine, in order to keep each version of the environment undisturbed, you can install the virtual environment, the installation method is as follows:1, installation Virtualenv:pip install Virtualenv2. Create a new virtual environment named Venv: Virtualenv venv3. Enter the new environment: source Venv/bin/acti

Win7 Python Environment Preparation configuration

3.10Adding pyyaml 3.10 to easy-install.pth fileUsing c:\python27\lib\site-packagesFinished processing dependencies for nltk==2.0.4Open python Idle:Enter import NLTKInput nltk.download ()A NLTK Downloader dialog box appears, modifying the download diretory (e-drive or other drive letter). Click on all to start the download.Download slow can also go to NLTK corpora http://nltk.org/nltk_data/manual download Missing, and then put to download diretory,zip do not delete.The Nltk_data folder can be

Preparation before assembling a computer

Assembling a computer is nothing new, many computer enthusiasts are also very like to assemble a computer, assembling a computer not only cheap, the most important thing is to be able to assemble a computer in the process can learn a lot of computer hardware knowledge, Wuhan computer network for everyone to provide a computer Configuration list has been for some time, if you do not understand the computer configuration, You can refer to our Computer Configuration list and related price estimates

0 Fundamentals of Python 3 environment preparation

First, configure the Python 3 environment1. Python 3 Download64-bit Https://www.python.org/ftp/python/3.4.2/python-3.4.2.amd64.msi32-bit Https://www.python.org/ftp/python/3.4.2/python-3.4.2.msi2. Python 3 InstallationSelect the installation pathNext3. Configure Environment variablesEnvironment variables are configured automatically at installation time4. Verify that the configuration is successfulEnter Python at the command promptIi. Configuring the Python 3 development environment1. Use the idl

JS preparation for Spring recruit four のdevtool of various errors, debugging the use of skills

The try statement allows us to define a block of code that performs error testing at execution time.The catch statement allows us to define a block of code that executes when a try block of code has an error.The JavaScript statement try and catch are paired occurrences.Syntax:try { // Run code here } catch(err (where err is the front error, if throw is used in try) There is an error result thrown for the front throw. ) { // handle error here } The throw statement allows us to create cus

Learning WebService The second step: Knowledge preparation--soap vs REST (WSDL and WADL differences)

majority of soap is running on HTTP, use the URI to identify the service. The criticism of this design is that the delete operation is also sent using the Post method, whereas the HTTP protocol has a more and more logical Delete method available. ) ruler length short: Rest Benefits: Rest is simple and intuitive , using the HTTP protocol to the limit. SOAP: complex requirements devastate ease of use. In the final analysis, no one is omnipotent. Rest

Pre-preparation for buying U disk

preparation. 4. How much do you know about this product? When you buy a U disk, you should understand the various functions of the product and know what functions you will use for the product. These are the necessary preparations for the purchase of U disk, not only to buy U disk, this experience can also be applied to other digital products above, buy the best to look at the information before, look at the various aspects of feedback, so that you

Yi Hundred tutorial ai python fix-ai data preparation-tag data

this procedure to check performance by decoding a random set of numbers. The following Python code can also do the same thing--Now, it will be printed as follows-= [3, 0, 4, 1]print("\nDecoded labels =", list(decoded_list))PythonNow, the decoded value will be printed as follows-= [‘white‘, ‘black‘, ‘yellow‘, ‘green‘]Tagged and unlabeled dataUnlabeled data is primarily made up of samples of natural or man-made objects that can easily be obtained from the real world. They include audio, video, ph

Python Learning: selenium2 + python3.3.5 Development Environment Preparation

$ Python3python 3.3.5 (v3.3.5:62cf4e77f785, Mar 2, install Setuptools, if there is a network can be directly with the following command:Curl Https://bootstrap.pypa.io/ez_setup.py-o-| Python3If you do not have a network, install it directly with the downloaded file and tap the following command:TAR-ZXVF setuptools-14.3.zipcd setuptools-14.3python3 setup.py InstallNote: Here you need to use the Python3 command, for other system installation, you can refer to Https://pypi.python.org/pypi/setuptool

"Lufylegend for HTML5 Game" Chapter 1:preparation

1, what ' s lufylegend.jsLufylegend.js is a HTML5 Game engine. The grammar of Lufylegend is similar to ActionScript ' s. Such as Lsprite (Sprite), Lbitmap (Bitmap), Lbitmapdata (BitmapData), Lloader (Loader).Another benefit is making game with OOP. In order to make physical game, Lufylegend have packaged box2dweb.Problems about platform annoy developer, but lufylegend can solve these problem, you just use the API and the Probl EMS would be resolved.As you know, using the HTML5 Canvas API to make

[Reading notes] Python data Analysis (i) Preparation

C, C + +, FORTRAN code integration into Python tools Pandas: A large number of data structures and functions that handle structured data Precise indexing, reshaping, slicing, chopping, aggregating, selecting subsets High performance time series features and tools Matplotlib: The most popular library for plotting data graphsIpython: Enhanced Python Shell provides a robust and efficient environment for interactive and exploratory computing Interactive data proc

Java Interview Preparation JVM detailed study three (class loading mechanism)

whether the type conversion is valid (the subclass object is assigned to the parent class and vice versa)4) symbol Reference validationFor example, a symbol reference can find the corresponding class by the fully qualified name described by the string (JDBC uses a lot),It is also important that the class, field, and Method Accessibility (Private\protected\public\default) can be accessed by the current class .3. PreparationThis phase formally allocates memory for class variables (satic decorated

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