Tutorial by Examples: et

Detailed instructions on getting oauth set up or installed.

ng-app Sets the AngularJS section. ng-init Sets a default variable value. ng-bind Alternative to {{ }} template. ng-bind-template Binds multiple expressions to the view. ng-non-bindable States that the data isn't bindable. ng-bind-html Binds inner HTML property of an HTML element....

Retrofit2 comes with support for multiple pluggable execution mechanisms, one of them is RxJava. To use retrofit with RxJava you first need to add the Retrofit RxJava adapter to your project: compile 'com.squareup.retrofit2:adapter-rxjava:2.1.0' then you need to add the adapter when building yo...

C++11 introduced core language and standard library support for moving an object. The idea is that when an object o is a temporary and one wants a logical copy, then its safe to just pilfer o's resources, such as a dynamically allocated buffer, leaving o logically empty but still destructible and co...

Variable tensors are used when the values require updating within a session. It is the type of tensor that would be used for the weights matrix when creating neural networks, since these values will be updated as the model is being trained. Declaring a variable tensor can be done using the tf.Varia...

Set MONGO_URL to any arbitrary value except for a database URL and ensure no collections are defined in your Meteor project (including collections defined by Meteor packages) to run Meteor without MongoDB. Note that without MongoDB, server/client methods alongside any packages related to Meteor's u...

A Bag/ultiset stores each object in the collection together with a count of occurrences. Extra methods on the interface allow multiple copies of an object to be added or removed at once. JDK analog is HashMap<T, Integer>, when values is count of copies this key. TypeGuavaApache Commons Collec...

Types of columns can be checked by .dtypes atrribute of DataFrames. In [1]: df = pd.DataFrame({'A': [1, 2, 3], 'B': [1.0, 2.0, 3.0], 'C': [True, False, True]}) In [2]: df Out[2]: A B C 0 1 1.0 True 1 2 2.0 False 2 3 3.0 True In [3]: df.dtypes Out[3]: A int64 ...

When you create a function in TypeScript you can specify the data type of the function's arguments and the data type for the return value Example: function sum(x: number, y: number): number { return x + y; } Here the syntax x: number, y: number means that the function can accept two argum...

Example: function hello(name: string): string { return `Hello ${name}!`; } Here the syntax name: string means that the function can accept one name argument and this argument can only be string and (...): string { means that the return value can only be a string Usage: hello('StackOverfl...

You can start the mongo shell by running the following command inside your Meteor project: meteor mongo Please note: Starting the server-side database console only works while Meteor is running the application locally. After that, you can list all collections by executing the following command...

In order to include plots created with matplotlib in TeX documents, they should be saved as pdf or eps files. In this way, any text in the plot (including TeX formulae) is rendered as text in the final document. import matplotlib.pyplot as plt plt.rc(usetex=True) x = range(0, 10) y = [t**2 for t...

GNU gettext is an extension within PHP that must be included at the php.ini: extension=php_gettext.dll #Windows extension=gettext.so #Linux The gettext functions implement an NLS (Native Language Support) API which can be used to internationalize your PHP applications. Translating strings ...

When defining a function, use {param1, param2, …} to specify named parameters: void enableFlags({bool bold, bool hidden}) { // ... } When calling a function, you can specify named parameters using paramName: value enableFlags(bold: true, hidden: false);

The "factory default" number of worksheets created in a new Excel workbook is generally set to three. Your VBA code can explicitly set the number of worksheets in a new workbook. '--- save the current Excel global setting With Application Dim oldSheetsCount As Integer oldSheets...

Production deployments will vary in many ways, but a standard convention when deploying in production is to define an environment variable called NODE_ENV and set its value to "production". Runtime flags Any code running in your application (including external modules) can check the valu...

app.js const readline = require('readline'); const fs = require('fs'); var file = 'path.to.file'; var linesCount = 0; var rl = readline.createInterface({ input: fs.createReadStream(file), output: process.stdout, terminal: false }); rl.on('line', function (line) { linesCo...

Get Focus Swift textField.becomeFirstResponder() Objective-C [textField becomeFirstResponder]; Resign Swift textField.resignFirstResponder() Objective-C [textField resignFirstResponder];

Vagrantfile Vagrant.configure("2") do |config| config.vm.box = "ubuntu/trusty64" config.vm.provision "ansible" do |ansible| ansible.playbook = "vagrant-playbook.yml" end end vagrant-playbook.yml --- - hosts: default tasks: - name: ...

F# allows functions to be added as "members" to types when they are defined (for example, Record Types). However F# also allows new instance members to be added to existing types - even ones declared elsewhere and in other .net languages. The following example adds a new instance method D...