jvm osx

Sometimes you need to modify some default settings of the OSX system. At this time, you will use the ults command to view the defaults man document. The description of defaults is as follows: Defaults-access the Mac OS X user defaults System Defaults can perform read, write, and delete operations on some system attributes. It uses many read and write operations. Below are some simple examples:1. Hide the dashboard 12 Defaults write com. Ap

Tags: OSX, graphics, mathematics, 3D, 2D Grapher is an application that allows you to create equations and graphs, so you can visualize the results. You can enter various mathematical functions to view them in 2D and 3D graphics. You can even use a graphic to create a video file. Open Grapher in OSX, and enable examples-conchoid in sequence. You can see the following 3D example: Does it look really awesom

Compile and install PostgreSQL and osxpostgresql in Mac OSX Originally, the official installation package was used. However, the installation package will create postgre, which is a bit uncomfortable on the login interface. After searching for a long time, I did not find a tutorial on how to compile and install it under osx, in addition, compiling and installation methods based on official documents will su

Tag: OSX After a Parallels Desktop is installed, there are many more icons in the launchpad in OSX, but many of them are not what I want. How can we delete or modify them? The following describes some methods: ① Directly operate the appications folder The launchpad application is located at/applications and/user/name/applications. You can modify and delete the application by yourself. ② Operate the datab

Run the script in osx spotlight and osxspotlight. I am used to some bash operations in Linux. I often put a series of commands into a sh file. osx belongs to the Unix series and can perform the same operations, however, it cannot be executed in spotlight after being added to the environment variable. After google finds that you need to change the suffix. sh of the previous file to. command, and then you ca

When installing jekyll on mac osx 10.7, I want to write a blog on github, you need to install jekyll. I installed it according to this document. http://jekyllrb.com/docs/home/ mac osx 10.7 has built-in ruby and gem. You can use $ sudo gem update -- system to get the next update and then $ sudo gem. when running this command, install jekyll reports an error reference $ sudo gem install jekyll Building native

Today I needed to install the pcntl extension for PHP in a tutorial session at theDutch PHP Conference . And since I am working on OS X Lion, this is course gave some problems due to the rather odd installation of Apache and PHP On OSX. Several sites on the web gave quick guides for this, but still, as always there is a few things you need to keep in M IND for it all to work. I'll try to walk through the process as detailed as possible: First start

Get readyDownload OS X installer from App Store, download complete, find similar "install OS X 10.11 Developer Beta.app" in the application Directory "/application" (Chinese name: Install OS X 10. Xxxxxxxx.app)MakingAssuming the download installation is "Install OS X 10.11 Developer Beta.app", here are the steps:1. Create a folder on the desktop named: OS X 10.11 El Capitan Beta2. Move the install OS X 10.11 Developer Beta.app in the application folder to this folder3. Open Disk Utility, Menu: F

In Windows, Putty is often used to log on to a remote Linux host, during which PPK files are used. There is no putty in Mac OSX, but you can directly use the SSH command. This Command needs to be executed at terminal. Before using SSH, You need to convert the format of the PPK file. The method is: Open puttygen.exe in windows, read the PPK file, click the conversions menu, select OpenSSH, and assume that the file is saved as myppk. Ssh. In this case,

I. Unix-level startup scripts/Etc/mach_init.d//Etc/mach_init_per_user.d//Etc/mach_init_per_login_session.d/The Startup Script under these three directories will be executed during system initialization.Ii. OSX-level Startup Script/System/library/startupitems/~ /Library/startupitems/Iii. Start background processes at OSX level/Library/launchagents//Library/launchdaemons/~ /Library/launchagents/~ /Library/lau

I in the use of OSX system, often need to enable or disable the root account, modify the relevant configuration parameters or permissions, refer to the official document to enable and close root, still feel too many steps and appear complex, combined with the following methods, can quickly enable and close the Mac OSX root Super Administrator account:1. Press "command" + "SPACEBAR" to search for "directory

1. First install the Ctags with the Brew tool, the installation path is/user/local/binThe default ctags executable in OSX does isn't support recursive directory search (i.e. ctags -R ). To get a proper copy of Ctags, use one of the following options: Using Homebrew:Brew Install Ctags Using MacPorts:Port Install Ctags 2. Make sure the path is correctEnsure that's PATH updated so the correct version is run: If which ctags does

Mac installation memcachedMAC installation memcached installation environmentMac OSX 10.9.5 MavericksPHP5.4Using homebrewinstallation processFirst use Brew to find the relevant software to installBrew Install memcachedStructure forlibmemcached php53-memcached php55-memcachedmemcached php54-memcached php56-memcachedAnd then click InstallBrew Install memcached Brew install Php54-memcachedbrew install libmemcachedThe libmemcached installed here is 1.0.18

This article tags: Nordic chip macosx I tried to compile the Nordic Nrf5x Series project with GCC under Mac OSX, but found that the compiled hex could not be burned, so it was down for a while. Now we have to pick it up and solve the problem.The following are the compile steps: Nordic official website Download SDK:NRF51822SDK The chip of the NRF5X series running ble is divided into two parts, namely Softdevice and APP. One

I heard that xgboost effect is very good, so prepare to learn, but found that most of the information is about how to install Xgboost under Windows or Linux, and according to official documents are not properly installed multi-threaded xgboost. Finally, the method was found from there.1. Mac OSX system usually comes with Python, open the terminal input python can write Python code, so the Python environment already has.2. Installing Homebrew , similar

I. MAC OSX shortcut keys Ctrl+shift NB Sp Quick Zoom dock icon will zoom in temporarily, and if you turn on dock Zoom Command+option+w Close all Windows Command+w the current Window close (Can Close Safari tab bar, very useful) Command+option+m Minimize All windows NBSP Command+q Close the current Application (equivalent to dock right mouse button launch. Very practical) Command+m

official websiteThe Java version of the ADT bundle's pitAfter upgrading from Mac OSX to 10.8, the 1.6 version of the JDK that came with the system was deleted, and we were unable to use the ADT bundle or Android studio, and the Oracle website couldn't find the Java 1.6 version. But can be found on the Apple website: jdk1.6 versionAfter the download installation is successful, the following error message does not appear:Start eclipse again and run cor

On mac OSX, if you want to use OPENCV, you can manually compile the source code by yourself, but more cumbersome.It is recommended to use homebrew to install, the steps are simple, as follows:1. Brew Tap Homebrew/science2. Brew Install OpenCVWait a few minutes for the installation to succeed.Here's how to configure eclipse:1. Follow the normal steps of using Eclipse to build a Mac C + + project that contains a CPP file。 #include 2. Right-click on the

Issue: Versioning operations on the project at the command line, resulting in errors such as:Svn:E155021:This client is too old to work with the working copy at'/users/user/works/v1baobao4iphone ' (format 31).You need to get a newer Subversion client. For more details, seeHttp://subversion.apache.org/faq.html#working-copy-format-changeCause: The SVN version on the command line is 1.7.17, and the SVN client version I used is 1.8.x, and after using the high-version operation in the SVN client, I g

After I tested, installing Fastdfs V5.01 on OSX 10.9.4 would be tragic, unable to install at first, and encountering the issue in this post: http://www.oschina.net/question/252582_162768 And I still can not solve, look OSX on no ldconfig this east, anyway I do not understand Linux and Unix such systems. So had to retreat and beg second, an old version to use, after all I just to install fastdfs PHP extensio