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Get Base64 encode file-data from Input Form
...beginning stuff (up to the first ,), but that's no biggie. This would take all the fun out though.
The hard way:
If you want to try it the hard way (or it doesn't work), look at readAsArrayBuffer(). This will give you a Uint8Array and you can use the method specified. This is probably only useful ...
How can I convert tabs to spaces in every file of a directory?
...ge is from the moreutils package, and avoids clearing the input file.
Finally, you can use gexpand on OSX, after installing coreutils with Homebrew (brew install coreutils).
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Html code as IFRAME source rather than a URL
...e srcdoc-polyfill library only for them and the "pure" srcdoc attribute in all non-IE/Edge browsers (check caniuse.com to be sure).
<iframe srcdoc="<html><body>Hello, <b>world</b>.</body></html>"></iframe>
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How do I auto-submit an upload form when a file is selected?
I have a simple file upload form. How do I make it submit automatically when a file has been selected? I don't want the user to have to click the Submit button.
...
Can you explain the concept of streams?
...be it from a file, a socket, or any other source, it doesn't (shouldn't) really matter. This is very similar to receiving a stream of water, whereby you don't need to know where it is coming from; be it from a lake, a fountain, or any other source, it doesn't (shouldn't) really matter.
That said, o...
OnInitDialog()中SetFocus()设置焦点不起作用解决方法 - C/C++ - 清泛网 - ...
...到控件，否则返回 TRUE
}
当然，改为return FALSE;能解决问题，但是感觉不太优雅，使用SendMessage解决，如下：
::SetFocus(m_wndEdit); -> ::SendMessage(m_wndEdit, WM_SETFOCUS, 0, 0);
这时，你会发现，输入框确实获得了焦点，但是此时键盘无...
Unicode and UTF-8 - C/C++ - 清泛网 - 专注C/C++及内核技术
...英文存储空间会Double！
为了解决这些现实生活中遇到的问题，UTF-8编码应运而生！
言归正传,对于UTF-8：
UTF-8是针对Unicode(UCS-2或UCS-4)的可变长度编码方式，是一种前缀码，它可用来编码Unicode中的任何一个字符。UTF-8编码和ASCII...
linux 通过bind下搭建DNS Server - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ost不够用和避免加端口各种麻烦，以及子目录超级麻烦等问题。那么很多时候需要在开发环境上门绑定多个域名。假如是一个团队开发。那么每个人都去修改hosts是一件很悲剧的事情，那么你需要的就是一台内部的dns服务器。其...
OnInitDialog()中SetFocus()设置焦点不起作用解决方法 - VC/MFC - 清泛IT论...
...到控件，否则返回 TRUE
}
当然，改为return FALSE;能解决问题，但是感觉不太优雅，使用SendMessage解决，如下：
::SetFocus(m_wndEdit); -> ::SendMessage(m_wndEdit, WM_SETFOCUS, 0, 0);
这时，你会发现，输入框确实获得了焦点...
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...