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How can I force users to access my page over HTTPS instead of HTTP?
...
The way I've done it before is basically like what you wrote, but doesn't have any hardcoded values:
if($_SERVER["HTTPS"] != "on")
{
header("Location: https://" . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]);
exit();
}
...
PHP global in functions
...ngletons, registries, constants). You do not want to use them. A function call should not have to rely on anything outside, e.g.
function fn()
{
global $foo; // never ever use that
$a = SOME_CONSTANT // do not use that
$b = Foo::SOME_CONSTANT; // do not use that unl...
App Inventor 2 OCR文字识别教程 - 百度云与本地识别方案 · App Inventor 2 中文网
...t OCR
使用扩展
实战案例：名片识别
常见问题
Q1: 百度OCR返回错误码？
Q2: 识别结果不准确？
总结
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概述
已有文档：pro/ocr.md 介绍了OCR相关方案。本文补充百度云...
二维码生成使用指导 · App Inventor 2 中文网
...二维码与出错提示
案例四：与扫码器配合
常见问题
平台说明
完整 .aia 源码与操作指导
二维码生成
二维码生成把一段文字编码成二维码，直接画在指定组件（布局、图像等）...
PHP expects T_PAAMAYIM_NEKUDOTAYIM?
...
Not really. Test this var_dump(empty(TRUE))
– machineaddict
Jun 5 '14 at 13:12
1
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How to clear APC cache entries?
I need to clear all APC cache entries when I deploy a new version of the site.
APC.php has a button for clearing all opcode caches, but I don't see buttons for clearing all User Entries, or all System Entries, or all Per-Directory Entries.
...
How do I make a redirect in PHP?
...FC 7231 which had replaced the old RFC 2616, where only absolute URLs were allowed.
Status Codes
PHP's "Location"-header still uses the HTTP 302-redirect code, this is a "temporary" redirect and may not be the one you should use. You should consider either 301 (permanent redirect) or 303 (other).
No...
Remove excess whitespace from within a string
I receive a string from a database query, then I remove all HTML tags, carriage returns and newlines before I put it in a CSV file. Only thing is, I can't find a way to remove the excess white space from between the strings.
...
Facebook share link without JavaScript
...ove it (the onclick part) ... and it will still work. But I can see how it all not 100% clear ... I'll edit it.
– King'ori Maina
Feb 26 '14 at 16:03
2
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App Inventor 2 JSON数据解析教程 - 解析API返回的JSON数据 · App Inventor 2 中文网
...
4. 混淆列表和字典
5. 索引越界
6. 中文编码问题
7. 异步请求陷阱
调试技巧
1. 打印JSON原始内容
2. 检查解析后的类型
3. 查看字典的所有键
总结
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什么是JSON
...