Platform Developer Tools in Java

Painting Quick Response Code in Java Platform Developer Tools
4 Platform Developer Tools
Paint QR Code In Java
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styles on the fly or edit the HTML for the pageThis is a great way to fine-tune your application user interface quickly, and when satisfied, copy the changes back into your code Figure 47 shows the margin style for an HTML <div>To modify this, simply click and change the number on the Style section or use the up and down arrow keys to change the valueYou can even right-click and add new propertiesThe web page automatically updates with each change so that you can see the results
Bar Code Encoder In Java
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Modifying CSS styles directly
Decode Bar Code In Java
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You can also click the HTML or CSS tabs and directly edit the HTML and style sheetsThis lets you add new elements or CSS selectors or modify existing ones Network Monitoring Firebug lets you see all the network traffic that occurs in the process of displaying your pageYou can see what images, CSS files, and JavaScript files get loaded and how long the load time is for each fileYou won t see any of the API calls done when the page loads, but any AJAX calls or Form posts your client-side code does shows up For each of these, you can examine the HTTP headers, variables, and responseThis can be invaluable in debugging asynchronous code, like AJAX calls, when they aren t working as expected Figure 48 shows an AJAX call from a Facebook canvas page In this case, a link was clicked that used the FBJS AJAX capability to pass a set of POST data back to the applicationWhen this happens, an item appears in the Net tab called POST fbjs_ajax_proxyphp Clicking the POST tab shows the variables passed to the call, and the response shows the return payload
QR Creation In Visual C#
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Firebug Network Monitoring tab
QR Code 2d Barcode Generator In .NET
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Browser Debugging Tools
Making Quick Response Code In VS .NET
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Console Firebug has a Console view that displays error messages, logging output, and supports a variety of typed commands to dump data It even has a built-in JavaScript profiler to work out the slow parts of your client-side code Figure 49 shows a manual HTML dump of an element on the page using the following command line:
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Firebug Console
Barcode Creation In Java
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dirxml($('app9729051194_ringersTable'))
Painting Bar Code In Java
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Firebug provides a rich set of APIs that can be used in its Console or directly in your JavaScript code For example, the Console logger can be accessed from inside your page s JavaScript by inserting a call to the consolelog() function provided by Firebug; however, this code fails if the page is loaded in a browser without Firebug installed If you use Firebug logging often, it makes sense to create a logging wrapper function that checks if the Console object and log functions are available and do nothing if it isn t FirefoxA rudimentary example in FBJS is shown in Listing 43
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Listing 43 Simple Browser-Agnostic JavaScript log() Function to Wrap Firebug s consolelog() Function
Code 39 Extended Generation In Java
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var log = function(content) { if( console && console instanceof Object && consolelog && typeof consolelog === 'function') { consolelog(content); } }
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You can now use the consolelog() function in your Facebook code; if Firebug is not installed or you are running on a browser that does not support it, the function has no effect, save some miniscule processing hits for calling itA more complete implementation checks for other features offered by the Firebug API and handles them similarlyTo find out more about the different functionality and APIs available in Firebug, visit http:/ /getfirebugcom/docshtml
ISBN - 10 Generation In Java
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4 Platform Developer Tools
Creating EAN 128 In .NET
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Web Developer Add-On for Firefox
Encode Code-128 In .NET
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The Web Developer add-on (http://chrispederickcom/work/web-developer/)places a lot of useful functionality right on the toolbar, such as validation, inspection, and manipulation Figure 410 shows the many options available in the toolbar
Generate ANSI/AIM Code 39 In .NET
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Web Developer Toolbar
Encode Bar Code In .NET Framework
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Here are some of the most helpful features when developing Facebook applications: Disable Cache Turning off the cache can help you find loading issues with external resources and let you test new versions of images, JavaScript, and CSS filesThis is extremely helpful when you debug caching issues with Facebook for images or Profile content Convert Form Methods This lets you change POSTs to GETs for any form on the page, which allows you to find problems with the data being sent easily in the address bar
Reading Barcode In Java
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Read DataMatrix In .NET Framework
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