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PDF documents are widely used in e-books, product descriptions, corporate announcements, web materials, e-mail and other fields and occasions. We may encounter situations where you need to add a document page to add content, or delete a blank page

Today's translation of this article, the author from the first contact with the product, there is no content/data/friends situation to start, analysis and summary of a number of blank page design ideas, should be able to bring inspiration to your

The following is a method: If (! Function_exists ('imagecreate ')){Die ('the current server does not support GD module ');}If not, how can I configure it? Download the dll file of the gd module, modify php. ini, and restart the server.The PHP plot

Php image function example (not original ). The following is a method: if (! Function_exists (imagecreate) {die (this server does not support the GD module);} if not, how can I configure it? Download the dll file of the gd module and modify the

The following approach is a method: if (!function_exists (' imagecreate ')) { Die (' This server does not support GD module '); } How do I configure it if not supported? Download the DLL file of GD module, modify the php.ini, restart the

The following approach is one way: if (!function_exists (' imagecreate ')) { Die (' This server does not support GD module '); } If not, how do I configure it? Download the GD module DLL file, modify the php.ini, restart the server. the following

In order to have a good interactive experience, I believe that everyone in the treatment of ScrollView no data when the prompt page will use some third-party to customize, the most typical is the use of dznemptydataset. But it is not so good to

Web page first, the actual applicationSlightly Second, image replacement We do not always want words to stay on the background image, many works are deliberately hidden in the title and other elements of the text, replaced by a vivid

This article is reproduced from Desiringclicks, the original text titled "Blank State can also play a role." The author talks about the "blank state" that has been overlooked in many products. The Blank state (Blank Slate), which appears in the

In machine vision, it is often necessary to separate a multi-channel image into several single-channel images or to synthesize several single-channel images into a multi-channel image for easy image processing, however. This blog is to deepen the