Tutorial by Examples: in

Detailed instructions on getting graphite set up or installed.
iex(1)> String.contains? "elixir of life", "of" true iex(2)> String.contains? "elixir of life", ["life", "death"] true iex(3)> String.contains? "elixir of life", ["venus", "mercury"] false
You can concatenate strings in Elixir using the <> operator: "Hello" <> "World" # => "HelloWorld" For a List of Strings, you can use Enum.join/2: Enum.join(["A", "few", "words"], " "...
To count the occurences of a value in a numpy array. This will work: >>> import numpy as np >>> a=np.array([0,3,4,3,5,4,7]) >>> print np.sum(a==3) 2 The logic is that the boolean statement produces a array where all occurences of the requested values are 1 and all o...
Zeromq has a huge number of bindings for different languages. To find the right binding and instructions how to use follow this. Also you can use: a pure C# implementation or Java implementation
The stdio.h header defines the fgets() function. This function reads a line from a stream and stores it in a specified string. The function stops reading text from the stream when either n - 1 characters are read, the newline character ('\n') is read or the end of file (EOF) is reached. #include &l...
To use multi-threading in MATLAB one can use the batch command. Note that you must have the Parallel Computing toolbox installed. For a time-consuming script, for example, for ii=1:1e8 A(ii)=sin(ii*2*pi/1e8); end to run it in batch mode one would use the following: job=batch("da&quot...
Detailed instructions on getting liquibase set up or installed.
This example attempts a single Ping request. The ping command inside the runtime.exec method call can be modified to any valid ping command you might perform yourself in the command line. try { Process ipProcess = runtime.exec("/system/bin/ping -c 1 8.8.8.8"); int exitValue = ip...
Detailed instructions on getting angular-dart set up or installed.
Note: For brevity, the commands use here-strings (<<<) and ANSI C-quoted strings ($'...'). Both these shell features work in bash, ksh, and zsh. # GNU Sed $ sed ':a;$!{N;ba}; s/\n/\t/g' <<<$'line_1\nline_2\nline_3' line_1 line_2 line_3 # BSD Sed equivalent (multi-line form) ...
Opening any file NSOpenPanel *openPanel = [NSOpenPanel openPanel]; [openPanel beginWithCompletionHandler:^(NSInteger result) { NSURL *url = openPanel.URL; if (result == NSFileHandlingPanelCancelButton || !url) { return; } // do something with a URL }]; Allowing ope...
Menus act like all standard control items. They have an action which is the function to be called and a target which is the object to send the function to. If the target is set to an object then when a user selects a menu item it the action method will be sent to the target object. If the menu item ...
first add the OkHttp to the gradle build file of the app module compile 'com.squareup.picasso:picasso:2.5.2' compile 'com.squareup.okhttp:okhttp:2.4.0' compile 'com.jakewharton.picasso:picasso2-okhttp3-downloader:1.0.2' Then make a class extending Application import android.app.Application; ...
Gradle: It is used to make build for any software, it is a Domain specific language used to configure and fulfill all plugins, libraries downloaded from repositories. Use Plugins: Apply plugin: ‘com.android.application’ Plugin is property in key value form. In above statement plugin denotes to...
Step 1: Create your GitHub account If you already have a GitHub account, please proceed to Step 2. Otherwise, please follow below: 1.a Go to Github page. 1.b Enter your desired username, your email address and then your desired password. Afterwards, click the Sign up for GitHub button. Step 2:...
Note: For brevity, the commands use here-strings (<<<) and ANSI C-quoted strings ($'...'). Both these shell features work in bash, ksh, and zsh. # GNU Sed $ sed '1 a appended text' <<<'line 1' line 1 appended text # BSD Sed (multi-line form) sed '1 a\ appended text'...
Simply add an attribute to the controller action [Route("product/{productId}/customer")] public IQueryable<Product> GetProductsByCustomer(int productId) { //action code goes here } this will be queried as /product/1/customer and productId=1 will be sent to the controll...
This example explains the different methods to install Yarn for your OS. macOS Homebrew brew update brew install yarn MacPorts sudo port install yarn Adding Yarn to your PATH Add the following to your preferred shell profile (.profile, .bashrc, .zshrc etc) export PATH="$PATH:`yarn ...
The yarn init command will walk you through the creation of a package.json file to configure some information about your package. This is similar to the npm init command in npm. Create and navigate to a new directory to hold your package, and then run yarn init mkdir my-package && cd my-pa...

Page 662 of 742