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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...
curl_exec() always returns false
...
+1: Simple and straight trouble-shooting for curl in PHP on curl_exec FALSE return. - Curl Verbose Mode in PHP example
– hakre
Nov 9 '12 at 20:10
...
Run JavaScript code on window close or page refresh?
...ntListener("beforeunload", function(e){
// Do something
}, false);
Usually, onbeforeunload is used if you need to stop the user from leaving the page (ex. the user is working on some unsaved data, so he/she should save before leaving). onunload isn't supported by Opera, as far as I know, but yo...
Why does MYSQL higher LIMIT offset slow the query down?
...e improvement. If there is no index usable by ORDER BY or the index covers all fields you need, you don't need this workaround.
– Quassnoi
Nov 24 '11 at 18:13
...
Get user profile picture by Id
... is mostly based of facebook graph api.
I hold some data about users - actually , the possible public data available - such as name and id.
I also know that a profile picture is a part of the public data, and I wondered how I'll be able to get a direct link to a profile picture of a user only by usi...
C# Stream流使用总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...要关闭。
2.把流中数据加载到内存时要考虑内存溢出等问题。
C# Stream
Implications of foldr vs. foldl (or foldl')
...
@Desty because it produces new part of its overall result on each step -- unlike foldl, which collects its overall result and produces it only after all the work is finished and there are no more steps to perform. So e.g. foldl (flip (:)) [] [1..3] == [3,2,1], so scanl (f...
HTML select form with option to enter custom value
...e input, with a value of the id of the datalist.
Update: As of March 2019 all major browsers (now including Safari 12.1 and iOS Safari 12.3) support datalist to the level needed for this functionality. See caniuse for detailed browser support.
It looks like this:
<input type="text" list="c...
How can I create a “Please Wait, Loading…” animation using jQuery?
...
You could do this various different ways. It could be a subtle as a small status on the page saying "Loading...", or as loud as an entire element graying out the page while the new data is loading. The approach I'm taking below will show you how to accomplish both methods.
The Setup
Let's sta...