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HTML select form with option to enter custom value
...ding 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="cars" />
<datalist id="cars">
<option>Volvo</option>
<option>Saab</o...
Swapping column values in MySQL
...comments of http://beerpla.net/2009/02/17/swapping-column-values-in-mysql/ for the "IS NOT NULL" tweak. Without it, the query works unpredictably. See the table schema at the end of the post. This method doesn't swap the values if one of them is NULL. Use method #3 that doesn't have this limitation....
OS specific instructions in CMAKE: How to?
...dif (MSVC)
or similar
see CMake Useful Variables
and CMake Checking Platform
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jQuery to serialize only elements within a div
...oblem. Just use the following. This will behave exactly like serializing a form but using a div's content instead.
$('#divId :input').serialize();
Check https://jsbin.com/xabureladi/1 for a demonstration (https://jsbin.com/xabureladi/1/edit for the code)
...
Stacked Tabs in Bootstrap 3
...
for simple text content, either solution is fine. If anyone else faces the issue I'm talking about: @dbtek's solution worked best: bootstrap-vertical-tabs I just had to include the CSS file... thanks @dbtek!
...
Android - Handle “Enter” in an EditText
...yboard in
such a way that the "Done" button is
labeled something else (for example
"Go") and performs a certain action
when clicked (again, like onSubmit).
Also yes.
You will want to look at the android:imeActionId and android:imeOptions attributes, plus the setOnEditorActionListener() me...
Token Authentication vs. Cookies
...ber.js makes the programmer's job easier because it holds indeed the state for you, in the client, knowing at every moment about its state without having to make a request to the server asking for state data.
However, holding state in the client can also sometimes introduce concurrency issues that a...
Node / Express: EADDRINUSE, Address already in use - Kill server
...and since server.close() sort of ends the event loop (it still has to wait for currently running stacks here and there) it makes no sense to put that inside the exit event...
On crash, do process.on('uncaughtException', ..) and on kill do process.on('SIGTERM', ..)
That being said, SIGTERM (default...
c++关闭按钮灰掉 - C/C++ - 清泛网 - 专注C/C++及内核技术
... 获得系统菜单CMenu *pMenu = GetSystemMenu(false); 获得关闭按钮IDUINT ID = pMenu->GetMenuItemID(pMenu->Ge...
通过系统菜单灰掉：
//获得系统菜单
CMenu *pMenu = GetSystemMenu(false);
//获得关闭按钮ID
UINT ID = pMenu->GetMenuItemID(pMenu->GetMenuItemCount()-1);
...
Postfix日常维护队列管理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...队列：
一般是先用mailq查看队列里的邮件，找到对应的id，然后用postsuper -d来删除。
例如id是0EAF3A9B 那么postsuper -d 0EAF3A9B
postsuper -d ALL 删除所有邮件
显示信件列表：postqueue -p
显示信件內容：postcat -q Queue_ID
刪除各別信件...