Tutorial by Examples: b

using the label option to add context can help a lot: url |> IO.inspect(label: "url") |> HTTPoison.get! |> IO.inspect(label: "raw http resonse") |> Map.get(:body) |> IO.inspect(label: "raw body") |> Poison.decode! |> IO.inspect...
To use standard location services while the application is in the background you need first turn on Background Modes in the Capabilities tab of the Target settings, and select Location updates. Or, add it directly to the Info.plist. <key>NSLocationAlwaysUsageDescription</key> <st...
This installation assumes hadoop to be pre-installed under hadoop user. Prerequisites: Hue depends on these following packages gcc g++ libxml2-dev libxlst-dev libsasl2-dev libsasl2-modules-gssapi-mit libmysqlclient-dev python-dev python-setuptools libsqlite3-dev ant libkrb5-dev libt...
$FirstName = 'Bob' Export-ModuleMember -Variable FirstName To export a variable from a module, you use the Export-ModuleMember command, with the -Variable parameter. Remember, however, that if the variable is also not explicitly exported in the module manifest (.psd1) file, then the variable wil...
Create separate files for header and footer(as they are common for all the pages and it does not make sense to make them a part of a single page) Keep common elements(Like Search/Back/Next etc) in separate file(The idea is to remove any kind of duplication and keeping the segregation logical) Fo...
Manage Files and Projects Ctrl+Shift+R : Open Resource (file, folder or project) Ctrl+Shift+S : Save all files Ctrl+W : Close current file Ctrl+Shift+W : Close all files Editor Window F12 : Jump to Editor Window Ctrl+E : Show list of open Editors. Use arro...
Typically, some files from the Web Application should not be overwritten when performing the deployment (e.g. web.config). This can be accomplished by: 1) Excluding from output - which means setting Build action to None. This is the easiest way, but it might not work for some particular files or fo...
Web deployment offers the option to automatically backup target Web site (not target Web application!) on deployment. This is recommended to allow web application rollback. In order to configure automatic backups, the following steps must be followed: 1) Enable backups Open %programfiles%\IIS\Mic...
@RunWith(RobolectricTestRunner.class) public class MyActivityTest { @Test public void clickingButton_shouldChangeResultsViewText() throws Exception { MyActivity activity = Robolectric.setupActivity(MyActivity.class); Button button = (Button) activity.findViewById(R.id.button); ...
BlackjackHand blackjackHand = new BlackjackHand( new Card('6', SPADES), Arrays.asList(new Card('4', CLUBS), new Card('A', HEARTS))); Moshi moshi = new Moshi.Builder().build(); JsonAdapter<BlackjackHand> jsonAdapter = moshi.adapter(BlackjackHand.class); String json = jsonAdapte...
Moshi has built-in support for reading and writing Java’s core data types: Primitives (int, float, char...) and their boxed counterparts (Integer, Float, Character...). Arrays Collections Lists Sets Maps Strings Enums It supports your model classes by writing them out field-by-field. In ...
In order to access or alter an index on a table, you need to somehow place the table into the stack. Let's assume, for this examples that your table is a global variable named tbl. Getting the content at a particular index: int getkey_index(lua_State *L) { lua_getglobal(L, "tbl"); ...
PowerShell Workflows are inherently equipped with the ability to run as a background job. To call a workflow as a PowerShell background job, use the -AsJob parameter when invoking the workflow. workflow DoSomeWork { Get-Process -ComputerName server01 Get-Process -ComputerName server02 Get-...
workflow DoSomeWork { parallel { Get-Process -ComputerName server01 Get-Process -ComputerName server02 Get-Process -ComputerName server03 } } One of the unique features of PowerShell Workflow is the ability to define a block of activities as parallel. To use this feature, us...
using Newtonsoft.Json; var obj = new Person { Name = "Joe Smith", Age = 21 }; var serializedJson = JsonConvert.SerializeObject(obj); This results in this JSON: {"Name":"Joe Smith","Age":21}
var json = "{\"Name\":\"Joe Smith\",\"Age\":21}"; var person = JsonConvert.DeserializeObject<Person>(json); This yields a Person object with Name "Joe Smith" and Age 21.
This assumes you have installed both Eclipse and SBT. Install the SBT plugin for Eclipse from the Eclipse marketplace. In the command line switch directory to the root directory of the project. $ cd ~/home/sample/project Execute sbt, which will load the project. $ sbt Compile t...
Occasionally we see StackOverflow Java questions (and C or C++ questions) that ask what something like this: i += a[i++] + b[i--]; evaluates to ... for some known initial states of i, a and b. Generally speaking: for Java the answer is always specified1, but non-obvious, and often difficult ...
Corpus Body of text, singular. Corpora is the plural of this. Example: A collection of medical journals. Lexicon Words and their meanings. Example: English dictionary. Consider, however, that various fields will have different lexicons. For example: To a financial investor, the first meaning for ...
Preamble TL;TR: For illustration-purposes the lines of this document beginning with 'TL;TR:' are followed by commandline refering to Plone-helper-scripts of the egg 'adi.devgen'. If you execute the command given after 'TL;TR:', it will create all the files explained of the following chapter. Th...

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