Tutorial by Examples: u

The following example shows how to properly construct both GET and POST requests against Web API 2 (CORS must be configured server-side, if sent from another domain): <script type="text/javascript" src="https://code.jquery.com/jquery-3.1.1.js"></script> CORS with Wi...

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.6.1/angular.js"></script> CORS with Windows Authentication test (Angular) <script type="text/javascript"> var app = angular.module('myApp', []); app.c...

Operational System Setup (Linux-CentOS x64 or RedHat x64) 1-Increase the swap space to a minimum of 2 Gb 2-Space and CPU requirements: -Vertica requires at least 1 GB per CPU. -disk utilization per node should no more than sixty percent (60%). Disk space is temporarily required by certain query...

There are standard functions built in for comparing equality, inequality etc. NameSymbolAlternativeExampleEqual=EQi = jNot equal<>NEi <> jLess than<LTi < jless than or equal<=LEi <= jGreater than>=GTi > jGreater than or equal≥=GEi >= j The symbol can be exchanged w...

RANDOM - generates a random number RANDOM(low, high) Generates a pseudo random integer between low and high // Example that generates 20 random numbers between 1 and 20 (1 and 20 included) DEFINE VARIABLE i AS INTEGER NO-UNDO. DO i = 1 TO 20. DISPLAY i RANDOM(1, 20). PAUSE. ...

Python includes a profiler called cProfile. This is generally preferred over using timeit. It breaks down your entire script and for each method in your script it tells you: ncalls: The number of times a method was called tottime: Total time spent in the given function (excluding time made in c...

Better MID() and other string extraction examples, currently lacking from the web. Please help me make a good example, or complete this one here. Something like this: DIM strEmpty as String, strNull as String, theText as String DIM idx as Integer DIM letterCount as Integer DIM result as String ...

Write a CSV file from a dict or a DataFrame. import pandas as pd d = {'a': (1, 101), 'b': (2, 202), 'c': (3, 303)} pd.DataFrame.from_dict(d, orient="index") df.to_csv("data.csv") Read a CSV file as a DataFrame and convert it to a dict: df = pd.read_csv("data.csv&qu...

UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init]; [refreshControl addTarget:self action:@selector(pullToRefresh:) forControlEvents:UIControlEventValueChanged]; self.scrollView.alwaysBounceVertical = YES; [self.scrollView addSubview:refreshControl]; - (void)pullToRefresh:(UIRe...

If you start your application on Linux, use the proxy for debugging via port, for example: socat TCP-LISTEN:9958,fork TCP:127.0.0.1:5858 & Use port 9958 for remote debugging then.

Swift 3 import UIKit // Save String to file let fileName = "TextFile" let documentDirectory = try FileManager.default.urlForDirectory(.documentDirectory, in: .userDomainMask, appropriateFor: nil, create: true) var fileURL = try documentDirectory.appendingPathComponent(fileName).ap...

A common mistake MATLAB coders have, is using the length function for matrices (as opposed to vectors, for which it is intended). The length function, as mentioned in its documentation, "returns the length of the largest array dimension" of the input. For vectors, the return value of leng...

As mentioned before strings are normally case insensitive but that only regards comparison of strings. There's built in functions for changing case. CAPS (string) Makes string upper case LC(string) Makes string lower case DEFINE VARIABLE c AS CHARACTER NO-UNDO. DEFINE VARIABLE d AS C...

You can create you own Scala annotations by creating classes derived from scala.annotation.StaticAnnotation or scala.annotation.ClassfileAnnotation package animals // Create Annotation `Mammal` class Mammal(indigenous:String) extends scala.annotation.StaticAnnotation // Annotate class Platypus...

require 'maruku' str = " # Title * List 1 * List 2 * List 3 " markdown = Maruku.new(str) puts markdown.inspect

Here, a cursor is used to loop through all databases. Futhermore, a cursor from dynamic sql is used to query each database returned by the first cursor. This is to demonstrate the connection-scope of a cursor. DECLARE @db_name nvarchar(255) DECLARE @sql nvarchar(MAX) DECLARE @schema nvarcha...

Once you have installed a library, you need to include it in your sketch in order to use it. Open the Sketch Menu > Include Library and click the Library you want to include. Now, the IDE has generated the required inclusion tags into your code. Now the Library is included in your ...

Using DYNAMIC-FUNCTION or the CALL-object you can dynamically call functions. DEFINE VARIABLE posY AS INTEGER NO-UNDO. DEFINE VARIABLE posX AS INTEGER NO-UNDO. DEFINE VARIABLE OKkeys AS CHARACTER NO-UNDO INIT "QLDRUS". DEFINE VARIABLE Step AS INTEGER NO-...

The following updates a User object via a PUT request and prints the status code of the request: package main import ( "bytes" "encoding/json" "fmt" "net/http" ) type User struct { Name string Email string } func main...

Step 1: Creating Custom Error Logging Filter which will write Errors in Text Files According to DateWise. public class ErrorLogger : HandleErrorAttribute { public override void OnException(ExceptionContext filterContext) { string strLogText = ""; Excepti...