Tutorial by Examples: d

If you have the following data file cat data.csv 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 maybe you need to read the fourth column of the third line, this would be "24" awk 'NR==3 ...

// Add MPVolumeView in a holder view let mpVolumeHolderView = UIView(frame: CGRect(x: 0, y: view.bounds.midY, width: view.bounds.width, height: view.bounds.height)) // Set the holder view's background color to transparent mpVolumeHolderView.backgroundColor = .clear let mpVolume = MPVolumeView(fr...

Sweave from the utils package allows for formatting code, prose, graphs and tables together in a LaTeX document. Further Resources Knitr and RMarkdown

Consider you have a Parent Frame(Frame-Parent). and 2 child frames(Frame_Son,Frame_Daughter). Lets see various conditions and how to handle. 1.From Parent to Son or Daughter: driver.switchTo().frame("Frame_Son"); driver.switchTo().frame("Frame_Daughter"); 2.From Son to Pa...

In quite a few cases your frame might not show up immediately and you probably have to wait till it is loaded to switch. Or else you will have NoSuchFrameException. So its always a good choice to wait before you switch. Following is a ideal way to wait till a frame is loaded. try{ new Web...

SELECT DISTINCT object_name(i.object_id) AS [Object Name], c.name AS [Partition Column], s.name AS [Partition Scheme], pf.name AS [Partition Function], prv.tot AS [Partition Count], prv.miVal AS [Min Boundry Value], prv.maVal AS [Max Boundry Value] FROM sys.object...

Salt commands are executed using a common structure: salt '*' pkg.install vim [target] [module.function] [arguments] The target determines which systems apply the command. In the example above we target all ('*') the Salt minions. See the targeting minions documentation for more...

The autocomplete UI control is a search dialog with built-in autocomplete functionality. As a user enters search terms, the control presents a list of predicted places to choose from. When the user makes a selection, a GMSPlace (Place in Xamarin) instance is returned, which your app can then use to ...

This converts valid json strings to MySQL JSON type: SELECT CAST('[1,2,3]' as JSON) ; SELECT CAST('{"opening":"Sicilian","variations":["pelikan","dragon","najdorf"]}' as JSON);

JSON_OBJECT creates JSON Objects: SELECT JSON_OBJECT('key1',col1 , 'key2',col2 , 'key3','col3') as myobj; JSON_ARRAY creates JSON Array as well: SELECT JSON_ARRAY(col1,col2,'col3') as myarray; Note: myobj.key3 and myarray[2] are "col3" as fixed string. Also mixed JSON data: S...

Create @myjson variable as JSON type (read more): SET @myjson = CAST('["A","B",{"id":1,"label":"C"}]' as JSON) ; SELECT some members! SELECT JSON_EXTRACT( @myjson , '$[1]' ) , JSON_EXTRACT( @myjson , '$[*].label') , JSON_EXTRACT( @...

Once your Kubernetes cluster is running and kubectl is configured you could run your first application with a few steps. This can be done using the imperative commands which doesn't need configuration files. In order to run an application you need to provide a deployment name (bootcamp), the contai...

Interrupts are handled by a protected procedure with no parameters. ------------------------------------------------------------------ -- Interrupt Counting Package -- ------------------------------------------------------------------ with Ada.Interrupts.Names; use Ada.Interrupts.Names; packa...

Description of the installation process : Debian jessie -- Installation Guide Each architecture has his own installation guide : amd64 i386 armel s390x powerpc armhf mips AArch64 POWER. Download an iso image of the Debian distribution (stable release): Debian installer Use ...

Out of the box Acumatica allows to create and maintain the list of shipping terms in the system. Shipping terms are used to define the shipping, packaging and handling costs, depending on the shipment amount. In this example I will show how to calculate freight amount for a shipment based on sales ...

ts-node is an npm package which allows the user to run typescript files directly, without the need for precompilation using tsc. It also provides REPL. Install ts-node globally using npm install -g ts-node ts-node does not bundle typescript compiler, so you might need to install it. npm instal...

The following is a full example of using XHTML with JavaScript served by PHP as a single-file. <?php if (isset($_SERVER['HTTP_ACCEPT']) && stristr($_SERVER['HTTP_ACCEPT'],'application/xhtml+xml')) { // Client header isset` and explicitly declares XHTML parser support. header('Conte...

HTML5 defines some HTML attributes as boolean; a boolean can only be true or false. The specification simply states that the presence of a boolean attribute implies that the attribute is set to true. In example using a disabled attribute in the following example disables the button input element: &...

Using XHTML you should avoid methods such as document.write and innerHTML as they treat XML as text and do not properly serialize code; an id attribute in HTML is essentially dumped in to the DOM and the id attribute is not serialized which means when trying to reference to it with something such as...

This example shows a simple global definition of a complexType. The definition is considered global as it is a child of the xs:schema. Globally defined types can be used elsewhere in the schema. This is the most common form for declaring a global xs:complexType, it defines the child elements using ...