Tutorial by Examples: all

Orphan nodes/vertices are those lacking all relationships/edges. MATCH (n) WHERE NOT (n)--() DELETE n

Following example requires that node.js is installed and npm is available. Full working code can be forked from GitHub @ https://github.com/mikkoviitala/angular-grunt-run-local Usually one of the first things you want to do when developing new web application is to make it run locally. Below ...

- name: Installing Oracle Java and support libs apt: pkg={{ item }} with_items: - python-software-properties - oracle-java8-installer - oracle-java8-set-default - libjna-java

Create a new browser bookmark, for example, in Chrome click the star icon at the right in the address bar, make sure the Folder is Bookmarks Bar, and then click the Edit... button: In the edit box that opens paste the following code as the URL: javascript:(function(){var root=(window.location.pa...

There are a few way's to install WebSocket's to your project. Here are some example's: npm install --save ws or inside your package.json using: "dependencies": { "ws": "*" },

It's a good practice to encode state of Single Page Application (SPA) in url: my-app.com/admin-spa/users/edit/id123 This allows to save and share application state. When user puts url into browser's address bar and hits enter server must ignore client-side part of the requested url. If you serv...

(Access Code)[https://github.com/vDoers/vDoersCameraAccess]

Prerequisites git clang and clang++ 3.4^ or gcc and g++ 4.8^ Python 2.6 or 2.7 GNU Make 3.81^ Get source Node.js v6.x LTS git clone -b v6.x https://github.com/nodejs/node.git Node.js v7.x git clone -b v7.x https://github.com/nodejs/node.git Build cd node ./configure make -jX su...

The libc crate is 'feature gated' and can only be accessed on nightly Rust versions until it is considered stable. #![feature(libc)] extern crate libc; use libc::pid_t; #[link(name = "c")] extern { fn getpid() -> pid_t; } fn main() { let x = unsafe { getpid() }; ...

In 32-bit Linux, system calls are usually done by using the sysenter instruction (I say usually because older programs use the now deprecated int 0x80) however, this can take up quite alot of space in a program and so there are ways that one can cut corners in order to shorten and speed things up. ...

Either input can be an array of 3- (or 2-) element vectors. >>> a=np.array([[1,0,0],[0,1,0],[0,0,1]]) >>> b=np.array([1,0,0]) >>> np.cross(a,b) array([[ 0, 0, 0], [ 0, 0, -1], [ 0, 1, 0]]) The result in this case is array([np.cross(a[0],b), np.c...

The descendant and descendant-or-self axes can be used to find all descendant elements of a node at any depth. In contrast, the child axis only traverses immediate children. /child::html/descendant::span /child::html/descendant-or-self::* The double slash // is a shortcut for /descendant-or-sel...

First, there is a really nice wrapper for setting up n on your system. Just run: curl -L https://git.io/n-install | bash to install n. Then install binaries in a variety of ways: latest n latest stable n stable lts n lts Any other version n <version> e.g. n 4.4.7 If this version ...

1. Logs: By default, Heroku allows only 1500 lines of consolidated logs. When more than 1500 lines of logs are required, one has to use addons provided Heroku. 2. Router: HTTP request have 30s timeout for initial response and 55s timeout thereafter. Maximum of 1MB buffer allowed for response. 3....

Most of the tools are standardized with the exception of the name of the operator to throw an error. In Adobe interpreters, it is called .error. In ghostscript, it is called signalerror. So with this line you can use signalerror in postscript code for Adobe interpreters or ghostscript or xpost. /.e...

System Requirements However, the Puppet master service is fairly resource intensive, and should be installed on a robust dedicated server. At a minimum, your Puppet master server should have two processor cores and at least 1 GB of RAM. To comfortably serve at least 1,000 nodes, it should have ...

// Mixin to generate hidden classes @mixin generate-hidden-classes { @each $bp in map-keys($grid-breakpoints) { .hidden-#{$bp} { @include media-breakpoint-only($bp) { display: none !important; } } } } // Call to the mixin @include generate-hidden-classes(...

If you want to use "cmake" (see www.cmake.org), type cd [your libpng source directory] cmake . -DCMAKE_INSTALL_PREFIX=/path make make install where "/path" points to the installation directory where you want to put the libpng "lib", "include", and &quot...

This will download libpng from the official "git" repository and build it in your "libpng" directory. git clone https://github.com/glennrp/libpng.git libpng cd libpng ./autogen.sh ./configure [--prefix=/path] make install where "/path" points to the installation...

One of most common use cases of Gitflow Initialize repo and define branches $ git flow init # if you use default setup, you'll define six types of branches: # # main branches (lives forever) # # 1. master: for production releases # 2. develop: for "next ...