Tutorial by Examples: u

Fugitive Vim is a plugin by Tim Pope that provides access to git commands that you can execute without leaving vim. Some common commands include: :Gedit - edit a file in the index and write it to stage the the changes :Gstatus - equivalent of git status :Gblame - brings up vertical split of outp...

display dialog "Password" default answer "" set w to text returned of the result if w = "Password" then display notification "Correct" end if

CREATE INDEX first_name_idx ON user_data (UPPER(first_name)); SELECT * FROM user_data WHERE UPPER(first_name) = 'JOHN2'; Function based index means, creating index based on a function. If in search (where clause), frequently any function is used, it's better to create index based on ...

Any @Component or @Configuration could be marked with @Profile annotation @Configuration @Profile("production") public class ProductionConfiguration { // ... } The same in XML config <beans profile="dev"> <bean id="dataSource" class="&l...

Protractor Installation and Setup Step 1: Download and install NodeJS from here. Make sure you have latest version of node. Here, I am using node v7.8.0. You will need to have the Java Development Kit(JDK) installed to run selenium. Step 2: Open your terminal and type in the following command to i...

Let us create a simple Hello World console application and log something to the console using log4net. Once we have this running, we can scale it out to use it in real development scenarios in the following examples. Let's start small and build it up from there. First, we need to create a simple Co...

Suppose you need to work on three different projects project A, project B and project C. project A and project B need python 3 and some required libraries. But for project C you need python 2.7 and dependent libraries. So best practice for this is to separate those project environments. To create v...

Angular 4 is now available! Actually Angular uses semver since Angular 2, which requires the major number being increased when breaking changes were introduced. The Angular team postponed features that cause breaking changes, which will be released with Angular 4. Angular 3 was skipped to be able to...

Suppose you need to work on three different projects project A, project B and project C. project A and project B need python 3 and some required libraries. But for project C you need python 2.7 and dependent libraries. So best practice for this is to separate those project environments. For creati...

In order to chain asynchronous operations and avoid a callback hell, Vala supports the yield statement. Used with an asynchronous invocation, it will pause the current coroutine until the call is completed and extract the result. Used alone, yield pause the current coroutine until it's being woken...

class ConversationsTableViewController: UITableViewController, NSFetchedResultsControllerDelegate { private var fetchedResultsController: NSFetchedResultsController<Conversation>! override func viewDidLoad() { super.viewDidLoad() initializeFetchedResultsController() } private...

Supervised learning is a type of machine learning algorithm that uses a known data-set (called the training data-set) to make predictions. Category of supervised learning: Regression: In a regression problem, we are trying to predict results within a continuous output, meaning that we are trying...

Unsupervised learning allows us to approach problems with little or no idea what our results should look like. We can derive structure from data where we don't necessarily know the effect of the variables. Example: Clustering: Is used for exploratory data analysis to find hidden patterns or groupi...

Detailed instructions on getting owl set up or installed.

Detailed instructions on getting influxdb set up or installed.

The most common use of formatting is to control display of numeric information contained in the cells in a consistent format, such as currency, a certain number of digits to the right of the decimal point, etc. There are several categories for numbers, such as Currency, Accounting, Percentage, and ...

If you want to use a podfile in more than one target, you can do like this. You can choose the download address when you pod this lib. def testpods pod 'YSDPush', :git => 'https://github.com/youshaoduo/YSDPush.git' end target 'One' do testpods end target 'Two' do testpods ...

Install Bazel from here. Bazel is the primary build system for TensorFlow. Now, edit the WORKSPACE, we can find the WORKSPACE file in the root directory of the TensorFlow that we have cloned earlier. # Uncomment and update the paths in these entries to build the Android demo. #android_sdk_reposit...

This example shows how to create a cube using 2D transformation methods skewX() and skewY() on pseudo elements. HTML: <div class="cube"></div> CSS: .cube { background: #dc2e2e; width: 100px; height: 100px; position: relative; margin: 50px; } .cube::be...

When compared to a other database types, a measurement in Influx can be considered, on a very high level, as being similar to a table in relational databases or a collection in document databases. List all measurements for the currently active database: $ show measurements Lists all measurement...