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Using git show we can view a single commit git show 48c83b3 git show 48c83b3690dfc7b0e622fd220f8f37c26a77c934 Example commit 48c83b3690dfc7b0e622fd220f8f37c26a77c934 Author: Matt Clark <[email protected]> Date: Wed May 4 18:26:40 2016 -0400 The commit message will be show...

A locator in Protractor is used to perform action on HTML dom elements. The most common and best locators used in Protractor are css, id, model and binding. For example commonly used locators are: by.css('css-selector') by.id('id')

Sitecore Instance Manager is open-source tool which is used for managing the local park of Sitecore instances. You can install, locate, maintain, reinstal or delete Sitecore products. It also helps you install your sitecore instance with any sitecore packages, modules and only thing you need to do i...

You can use Modules to build more complex classes through composition. The include ModuleName directive incorporates a module's methods into a class. module Foo def foo_method puts 'foo_method called!' end end module Bar def bar_method puts 'bar_method called!' end end ...

When creating a UIView subclass, intrinsic content size helps to avoid setting hardcoded height and width constraints a basic glimpse into how a class can utilize this class ImageView: UIView { var image: UIImage { didSet { invalidateIntrinsicContentSize() } ...

Instead of looking for the fork help, you can search for the spoon help: :h spoon fork spoon For executing external commands fork()/exec() is used when possible, otherwise system() is used, which is a bit slower. The output of ":version...

To create a UDF, we need to extend UDF (org.apache.hadoop.hive.ql.exec.UDF) class and implement evaluate method. Once UDF is complied and JAR is build, we need to add jar to hive context to create a temporary/permanent function. import org.apache.hadoop.hive.ql.exec.UDF; class UDFExample ex...

Depending on the device/release version of the system, some API may not be available. You can check which contract is supported by using ApiInformation.IsApiContractPresent() For example, this will return true on phone devices and false on the others ApiInformation.IsApiContractPresent(typeof(Cal...

This program draws some shapes and 'hello world!' and let an image go to every corner of the window. the complete code: import pygame,sys from pygame.locals import * pygame.init() FPS = 30 #frames per second setting fpsClock = pygame.time.Clock() #set up the window screen = pygame.disp...

The IsHighResolution property indicates whether the timer is based on a high-resolution performance counter or based on the DateTime class. This field is read-only. // Display the timer frequency and resolution. if (Stopwatch.IsHighResolution) { Console.WriteLine("Operations timed ...

The tabular environment is the most basic way to create a table in LaTeX and doesn't require any other packages. \begin{tabular}{|lcr||} left aligned column & center column & right column \\ \hline text & text & text \\ text & text & text \\ \end{tabular} T...

The browser identifies tokens from stylesheet and coverts them into nodes which are linked into a tree structure. The entire map of all the nodes with their associated styles of a page would be the CSS Object Model. To display the webpage, a web browser takes following steps. The web browser exa...

If a type t is Traversable then values of t a can be split into two pieces: their "shape" and their "contents": data Traversed t a = Traversed { shape :: t (), contents :: [a] } where the "contents" are the same as what you'd "visit" using a Foldable insta...

Please note that continued use of Sublime Text requires that you purchase a license and you are asked to note the terms and conditions. The process of installing Sublime Text is different for each platform, but in each case you need to visit the download page. After installing ST3, it is common to...

However, x in the generator expression is not just variable, but can be any pattern. In cases of pattern mismatch the generated element is skipped over, and processing of the list continues with the next element, thus acting like a filter: [x | Just x <- [Just 1, Nothing, Just 3]] -- [1, 3] ...

With Parallel List Comprehensions language extension, [(x,y) | x <- xs | y <- ys] is equivalent to zip xs ys Example: [(x,y) | x <- [1,2,3] | y <- [10,20]] -- [(1,10),(2,20)]

Sometimes you need to fetch data asynchronously before passing it to a child component to use. If the child component tries to use the data before it has been received, it will throw an error. You can use ngOnChanges to detect changes in a components' @Inputs and wait until they are defined before a...

We consume rest API as a JSON format and then unmarshal it to a POJO. Jackson’s org.codehaus.jackson.map.ObjectMapper “just works” out of the box and we really don’t do anything in most cases. But sometimes we need custom deserializer to fulfill our custom needs and this tutorial will guide you thro...

You could use ethtool, but they are not going to be reboot persistent. If you want to achieve this, edit the following file: sudo vim /etc/network/interfaces And edit the file with needed informations: auto <interface_name> iface <interface_name> inet static address <ip_addres...

The function np.loadtxt can be used to read csv-like files: # File: # # Col_1 Col_2 # 1, 1 # 2, 4 # 3, 9 np.loadtxt('/path/to/dir/csvlike.txt', delimiter=',', comments='#') # Output: # array([[ 1., 1.], # [ 2., 4.], # [ 3., 9.]]) The same file could be read ...