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Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?
The following PHP code snippet uses GD to resize a browser-uploaded PNG to 128x128. It works great, except that the transparent areas in the original image are being replaced with a solid color- black in my case.
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ZMQ: 基本原理 - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术
...层传输之上提供完全相同的行为。
这种方法存在两个问题：
一，在特定的传输之上建立类TCP的封装实际上使得传输成为多余的了。如果这种方法的行为类似于TCP，那么为什么一开始就不用TCP呢？（性能特性排除在这个规...
技术人员如何创业《三》- 合伙人的分工 - 资讯 - 清泛网 - 专注C/C++及内核技术
...政打点生活和后勤、技术作为先锋开发软件。这里就有个问题了，很多时候一个想法并不能变成一个产品。比如，我要研发一个记录笔记的软件，可以支持本地和在线，还支持交流分享。一句话需求如何去实现呢？在boss的眼里...
Using curl to upload POST data with files
... file" \
-F "image=@/home/user1/Desktop/test.jpg" \
localhost/uploader.php
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[科普] __MACOSX是什么文件夹？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...者就可以把这个压缩包上传到网上供人下载。但是有一个问题，苹果公司和其它的大的软件公司一样，十分擅长曲解和附会用户的意思，它很多时候并不是完全按照你的意思去做的。例如在这种情况下，你以为Mac仅仅是把你想要...
Link to “pin it” on pinterest without generating a button
...great in Wordpress!
<a href="//pinterest.com/pin/create/link/?url=<?php the_permalink();?>&amp;description=<?php the_title();?>">Pin this</a>
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Why does PHP 5.2+ disallow abstract static class methods?
After enabling strict warnings in PHP 5.2, I saw a load of strict standards warnings from a project that was originally written without strict warnings:
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Cannot use object of type stdClass as array?
...ntext);
If you have identifiers like from-date (the hyphen would cause a PHP error when using the above method) you have to write:
var_dump($result->{'from-date'});
If you want an array you can do something like this:
$result = json_decode($json, true);
Or cast the object to an array:
$r...
Select mySQL based only on month and year
...red statements. In short, use whatever method is recommended these days in PHP, to avoid any SQL injection issues.
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jQuery Ajax File Upload
...ed to use the XHR object but could not get results on the server side with PHP.
var formData = new FormData();
formData.append('file', $('#file')[0].files[0]);
$.ajax({
url : 'upload.php',
type : 'POST',
data : formData,
processData: false, // tell jQuery not to proces...