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PHP: How to remove all non printable characters in a string?
... a variety string lengths with random data, and this pattern emerged using php 7.0.12
2 chars str_replace 5.3439ms preg_replace 2.9919ms preg_replace is 44.01% faster
4 chars str_replace 6.0701ms preg_replace 1.4119ms preg_replace is 76.74% faster
8 chars str_replace ...
App Inventor 2 ECharts 拓展：基于 ECharts 强大的个性化数据图表展示 · ...
...不需要回复的可留空~ 请描述您的问题（300字以内）： 给个鼓励也行呐~o~ 提供截图（仅截取当前可视区域...
What's the difference between isset() and array_key_exists()? [duplicate]
...t will return false when the array value is set to null.
See isset on the PHP documentation site.
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How can you integrate a custom file browser/uploader with CKEditor?
...r which file was selected:
window.opener.CKEDITOR.tools.callFunction(<?php echo $callback; ?>,url)
Where "url" is the URL of the file they picked. An optional third parameter can be text that you want displayed in a standard alert dialog, such as "illegal file" or something. Set url to an e...
使用照相机时老是弹出 error 201 : the camera d id not return an image ...
问题来自B站：https://message.bilibili.com/?spm_id_from=333.1007.0.0#/reply
解决方法：
1、很可能删除了 “Pictures“ 图片文件夹：/storage/emulated/0/Pictures，这个文件夹不能被相机组件自动创建。
2、官方确认这是一个bug，已修复。确认一下...
ble蓝牙怎么接收中文 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...？
英文能正常显示，中文乱码，那肯定就是字符集编码问题了。
详见：https://www.fun123.cn/reference/iot/bluetooth_codec.html
保证单片机侧和App侧一致的中文编码方式即可。盲猜BLE中应该是UTF8编码，单片机GB2312编码。
What does ~~ (“double tilde”) do in Javascript?
...nd-about way.
See this thread: http://www.sitepoint.com/forums/showthread.php?t=663275
Also, more detailed info is available here: http://dreaminginjavascript.wordpress.com/2008/07/04/28/
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How to set a cookie for another domain
...get b.com to set the cookie. If a.com redirect the user to b.com/setcookie.php?c=value
The setcookie script could contain the following to set the cookie and redirect to the correct page on b.com
<?php
setcookie('a', $_GET['c']);
header("Location: b.com/landingpage.php");
?>
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how to get the cookies from a php curl into a variable
...KIELIST which extracts all known cookies. All you need is to make sure the PHP/CURL binding can use it.
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Sublime Text 3能用支持的插件推荐 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...后台运行检查机制造成sublime text 3有点小卡顿，虽然部分问题可以设置sublimeLinter来解决，用了sublimeLinter一小段时间后还是放弃了，觉得代码提示对我应该没必要了。
插件下载：https://github.com/SublimeLinter/SublimeLinter/tree/sublime-text...