Tutorial by Examples: is

Print out all list names and the item count. $site = Get-SPSite -Identity https://mysharepointsite/sites/test foreach ($web in $site.AllWebs) { foreach ($list in $web.Lists) { # Prints list title and item count Write-Output "$($list.Title), Items: $($list.ItemCoun...

The IsNull() function accepts two parameters, and returns the second parameter if the first one is null. Parameters: check expression. Any expression of any data type. replacement value. This is the value that would be returned if the check expression is null. The replacement value must be of a...

Since null is not a value, you can't use comparison operators with nulls. To check if a column or variable holds null, you need to use is null: DECLARE @Date date = '2016-08-03' The following statement will select the value 6, since all comparisons with null values evaluates to false or unknown...

nrs = [1, 2, 3, 4, 5, 6, 7, 8, 9] lets = ['a', 'b', 'c', 'd', 'e', 'f'] println GroovyCollections.transpose([nrs, lets]) .collect {le -> [(le[0]):le[1]]}.collectEntries { it } or println [nrs,lets].transpose().collectEntries{[it[0],it[1]]} // [1:a, 2:b, 3:c, 4:d, 5:e, 6:f...

EXEC sp_configure 'xp_cmdshell', 1 GO RECONFIGURE

We want to add Toast to nativescript default app. import {Component} from "@angular/core"; let application = require("application"); declare var android:any; @Component({ selector: "my-app", templateUrl: "app.component.html", }) export clas...

$ jobs [1] Running sleep 500 & (wd: ~) [2]- Running sleep 600 & (wd: ~) [3]+ Running ./Fritzing & First field shows the job ids. The + and - sign that follows the job id for two jobs denote the default job and next candidate def...

A bit field is a variable that holds various boolean states as individual bits. A bit on would represent true, and off would be false. In the past bit fields were routinely used as they saved memory and reduced processing load. Though the need to use bit field is no longer so important they do offer...

When accessing a non-static member of an object through a pointer to member, if the object does not actually contain the member denoted by the pointer, the behavior is undefined. (Such a pointer to member can be obtained through static_cast.) struct Base { int x; }; struct Derived : Base { int y; ...

The following snippet replaces all Attributes called PreviousAttribute by an Attribute called ReplacementAttribute for an entire solution. The sample manually searches the Syntax tree and replaces all affected nodes. static async Task<bool> ModifySolution(string solutionPath) { ...

The following snippet replaces all Attributes called "PreviousAttribute" by an Attribute called "ReplacementAttribute" for an entire solution. The sample manually uses a SyntaxRewriter to exchange the attributes. /// <summary> /// The CSharpSyntaxRewriter allows to rewrit...

In the Adobe technical white paper Adobe Acrobat 9 Digital Signatures, Changes and Improvements, especially its section "Allowed and disallowed changes", Adobe clarifies the allowed changes (as seen by Acrobat 9 and up) that can be made to a certified or signed document without invalidatin...

page.xml <Page xmlns="http://schemas.nativescript.org/tns.xsd" navigatingTo="navigatingTo"> <Repeater items="{{ myItems }}"> <Repeater.itemTemplate> <Label text="{{ title || 'Downloading...' }}" textWrap="true&quot...

page.xml <Page xmlns="http://schemas.nativescript.org/tns.xsd" navigatingTo="navigatingTo"> <ListView items="{{ myItems }}" itemTap="listViewItemTap"> <ListView.itemTemplate> <Label text="{{ title || 'Downloading.....

creating-listview.component.html <ListView [items]="countries" (itemTap)="onItemTap($event)"> <template let-country="item" let-i="index"> <StackLayout orientation="horizontal"> <Label [text]='(i + 1) +...

ngfor.component.html <StackLayout> <Label *ngFor="let item of items" [text]="item"></Label> </StackLayout> ngfor.component.ts import { Component } from "@angular/core"; var dataItems = ["data-item 1", "data-item 2&quo...

This script demonstrates how to receive complicated GUI events from different controls in the same event callback function. We'll be using two ListView controls for that. Now every time an action is detected on one of those ListView controls, we want a precise description of what happened and have ...

It is possible that the client browser does not support Javascript or have Javascript execution disabled, perhaps due to security reasons. To be able to tell users that a script is supposed to execute in the page, the <noscript> tag can be used. The content of <noscript> is displayed whe...

The term responsive web design was first coined by Ethan Marcotte in his famous article Responsive Web Design, published in 2010 in A List Apart. This Smashing Magazine article by Kayla Knight describes it as follows: Responsive Web design is the approach that suggests that design and developme...

zip takes two lists and returns a list of corresponding pairs: zip [] _ = [] zip _ [] = [] zip (a:as) (b:bs) = (a,b) : zip as bs > zip [1,3,5] [2,4,6] > [(1,2),(3,4),(5,6)] Zipping two lists with a function: zipWith f [] _ = [] zipWith f _ [] =...