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Use &lt; Sign in '@(...)' Expressions
How to enter &lt; sign in '@(...)' expressions? &lt; signs can be entered in '@(...)' expressions directly. For example, the following "set-variable" policy statement uses a "@(...)" expression that contains a &lt; sign as the Boolean operator: &lt;set-variable name="isTrue" value="@...
2017-11-12, 354👍, 0💬

Create "Add to Bloglines" Button
How To Create an "Add to Bloglines" Button on Your Website? If you want to create an "Add to Bloglines" button your own Web site, you can follow this tutorial: 1. Create an RSS Atom 1.0 feed file for your site, and make it accessible with a URL. If the feed file is generated dynamically, take the UR...
2017-09-24, 354👍, 0💬

'type' - JSON Schema Validation Keyword
How to use the "type" JSON Schema validation keyword to validate JSON instances? "type" is a generic JSON Schema validation keyword that always applied to the JSON instance. When "type" is specified, the JSON instance must match one of the given JSON types: "null", "boolean", "object", "array", "num...
2017-08-25, 354👍, 0💬

Values Submitted in HTML Radio Button Fields
What Are the Values Submitted on Radio Button Fields? A "radio" button input field does not allow viewers to enter any input values directly. If a form is submitted, "radio" button input fields will be submitted with values based on the following rules: If a "radio" button is not pushed, no value wi...
2017-04-15, 354👍, 0💬

Deleting Cookie Files in PHP
How To Delete Cookie Files on Your Computer in PHP? A simple way to delete cookie files on your computer is to use the function offered by the IE browser. The following tutorial exercise shows you how to delete cookie files created by IE: Open IE (Internet Explorer) Go to Options/Internet Options Cl...
2016-11-02, 354👍, 0💬

Retrieving Values Stored in Session in PHP
How To Retrieve Values from the Current Session in PHP? If you know some values have been saved in the session by another script requested by the same visitor, you can retrieve those values back by using the pre-defined associative array called $_SESSION. The following PHP script shows you how to re...
2016-10-26, 354👍, 0💬

Using Azure API Management Developer Portal
Where to find tutorials on Using Azure API Management Developer Portal? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Using Azure API Management Developer Portal: Login to Developer Portal as Publisher What Can I See on Developer Portal Test ...
2017-09-20, 353👍, 0💬

Broswers Supporting Multiple HTML Forms
Do Broswers Support Multiple Forms? XHTML 1.0 does allow you to create multiple forms in a single XHTML document. Most browsers will display and handle multiple forms properly. If click a submit button in one form, browsers will submit input data only for that one form. Input data from other forms w...
2017-04-01, 353👍, 0💬

Putting Directory Entries into an Array in PHP
How To Dump the Contents of a Directory into an Array in PHP? If you want to get the contents of a directory into an array, you can use the scandir() function. It gets a list of all the files and sub directories of the specified directory and returns the list as an array. The returning list also inc...
2016-11-20, 352👍, 0💬

Creating an Array in PHP
How To Create an Array in PHP? You can create an array using the array() constructor. When calling array(), you can also initialize the array with pairs of keys and values. Here is a PHP script on how to use array(): &lt;?php print("Empty array:\n"); $emptyArray = array(); print_r($emptyArray); ...
2016-10-15, 352👍, 0💬

'context.Request.Url.Query' Query String Parameters
How to access Query String parameters from "context.Request.Url.Query" object in Azure API Policy? Query String parameters are parameters provided in the query string in the form of name=value&amp;name=value. ..format. For example, the following URL has two query string parameters: "date" and "s...
2018-02-14, 351👍, 0💬

What Is Wrapper Function
What is a wrapper function in Python? A wrapper function in Python is a function that takes an old function as input parameter and returns a new function. The new function should have the same parameter list and return type. If you call the new function, it will perform the same task as the old func...
2018-02-08, 351👍, 0💬

Values Submitted in HTML Image Button Fields
What Are the Values Submitted on Image Button Fields? An "image" button input field does not allow viewers to enter any input values directly. But if an "image" button is clicked, the mouse position on the image button will be submitted with other input values to the processing program based on the ...
2017-04-04, 351👍, 0💬

Cookies Transported from Browsers to Servers in PHP
How Cookies Are Transported from Browsers to Servers in PHP? Cookies are transported from a Web browser to a Web server in the header area of the HTTP request message. Each cookie will be included in a separate "Cookie:" header line in the following format: GET / HTTP/1.1 Cookie: name1=value1 Cookie...
2016-11-02, 351👍, 0💬

Generating Character from ASCII Value in PHP
How To Generate a Character from an ASCII Value? If you want to generate characters from ASCII values, you can use the chr() function. chr() takes the ASCII value in decimal format and returns the character represented by the ASCII value. chr() complements ord(). Here is a PHP script on how to use c...
2016-10-13, 351👍, 0💬

Removing an Empty Directory in PHP
How To Remove an Empty Directory in PHP? If you have an empty existing directory and you want to remove it, you can use the rmdir(). Here is a PHP script example on how to use rmdir(): &lt;?php if (file_exists("/temp/download") ){ rmdir("/temp/download"); print("Directory removed.\n"); } else { ...
2016-11-24, 350👍, 0💬

Counting the Number of Characters in PHP
How To Count the Number of Characters in a String? You can use the "strlen()" function to count the number of characters in a string. Here is a PHP script example of strlen(): &lt;?php print(strlen('It\'s Friday!')); ?&gt; This script will print: 12   ⇒PHP Built-in Functions for Strings ⇒⇒P...
2016-10-13, 350👍, 0💬

Login to Azure API Management Publisher Dashboard
How to login to Azure API Management Publisher Dashboard? If you have given access permission to an Azure API Management Service publisher dashboard, you can login to the publisher dashboard as shown in this tutorial: 1. Login to Azure Portal with your work email address. 2. Click "All Resources" in...
2018-04-21, 349👍, 0💬

'@{...}' Expression Blocks in Azure API Policy
How to use the "@{...}" expression block in Azure API Policy? The "@{...}" expression block in Azure API Policy can be used to include a C# statement block as the attribute value or text value in most policy statements. C# statement block in the "@{...}" expression block must end with a "return" sta...
2018-02-14, 349👍, 0💬

JSON Schema Validation for JSON Object Values
What validation keywords I can use in JSON Schema to specifically validate JSON Object values? The current JSON Schema specification supports the following validation keywords to specifically validate JSON Object values. They are not applied if the JSON instance is not a JSON Object. "maxProperties"...
2017-09-01, 349👍, 0💬

Using HTML 'file' Input Fields
How To Use "file" Input Fields? A "file" input field is defined as &lt;input type="file" .../&gt;. "file" input fields can be used to create file upload input fields. Most browsers will display a file upload input field as a text input box followed by a "Browse..." button. The other attribut...
2017-04-08, 349👍, 0💬

Using HTML 'file' Input Fields
How To Use "file" Input Fields? A "file" input field is defined as &lt;input type="file" .../&gt;. "file" input fields can be used to create file upload input fields. Most browsers will display a file upload input field as a text input box followed by a "Browse..." button. The other attribut...
2017-04-08, 349👍, 0💬

Changing Fonts a Paragraph with HTML 'span'
How To Change Text Fonts for Some Parts of a Paragraph? If you want to change text fonts or colors for some parts of a paragraph, you can use "span" element with "style" attributes to specify font and color information as CSS properties. Here is a tutorial example of using "span" elements to change ...
2017-03-07, 349👍, 0💬

Determining If a Session Is New in PHP
How To Determine If a Session Is New in PHP? There is not direct way to tell if a session is new or old. But you can design your site to have a required session value in all sessions. Then you can check the existence of this value in a session to determine if it is a new session by isset($_SESSION['...
2016-10-24, 349👍, 0💬

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