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How to save an HTML5 Canvas as an image on a server?
... server via Ajax
$.ajax({
type: "POST",
url: "script.php",
data: {
imgBase64: dataURL
}
}).done(function(o) {
console.log('saved');
// If you want the file to be visible in the browser
// - please modify the callback in javascript. ...
Why do you not use C for your web apps?
...ich comes "for free" with a more, shall we say "web-centric" language like PHP or C# or Ruby or whatever. That means you pay more.
Add all of that to the fact that single-threaded computational speed just isn't that important on the web. If you need more scalability, most organizations can econom...
Java: function for arrays like PHP's join()?
I want to join a String[] with a glue string. Is there a function for this?
22 Answers
...
What is thread safe or non-thread safe in PHP?
I saw different binaries for PHP, like non-thread or thread safe?
4 Answers
4
...
How to find out if you're using HTTPS without $_SERVER['HTTPS']
...RVER['SERVER_PORT'] == 443;
}
The code is compatible with IIS.
From the PHP.net documentation and user comments :
1) Set to a non-empty value if the script was queried through the HTTPS protocol.
2) Note that when using ISAPI with IIS, the value will be "off" if the request was not made ...
做了个购物清单App后，我才真正搞懂App Inventor 2的变量 - App应用开发 - ...
...是会被"数据不更新""变量作用域混乱"这些问题反复折磨。
干脆用一个购物清单App的实际开发过程，把变量那点事彻底讲透。
需求分析
侄子想要一个简单的购物清单：
- 能添加商品名称和数量
- 能查看当...
REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...退出后执行如下命令使以上设置在当前窗口如果有配置有问题也可以提示。立即生效：
source /home/oracle/.bash_profile
8、调整OS内核参数
设置原则:
kernel.shmmax 为 4GB-1byte或一半的物理内存, 哪个值更低用哪个;
fs.file-max 为512 * PROCESS...
PHP - concatenate or directly insert variables in string
I am wondering, What is the proper way for inserting PHP variables into a string?
This way:
14 Answers
...
Why doesn't Git ignore my specified file?
...epository. You can do that by using git rm --cached sites/default/settings.php. This removes the file from the repository without physically deleting the file (that’s what the --cached does). After committing that change, the file will be removed from the repository, and ignoring it should work pr...
PHP去除字符串中的最后一个字符 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP去除字符串中的最后一个字符最常见的方法是substr($str, strlen($str) - 1)，但使用rtrim($str, , )更优雅。
<?php //PHP去除字符串中的最后一个字符
$str="aaaa,bbb,ccc,ddd,eee,";
echo rtrim($str,','); //第一种方法 trim($str,$chsrlist)去除两边的
...