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Android OnClickListener - identify a button
...ough, I don't recommend doing it that way since you will have to add an if for each button you use. That's hard to maintain.
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Django filter queryset __in for *every* item in list
...ion is, as suggested by jpic and sgallen in the comments, to add .filter() for each category. Each additional filter adds more joins, which should not be a problem for small set of categories.
There is the aggregation approach. This query would be shorter and perhaps quicker for a large set of cate...
Exposing database IDs - security risk?
I've heard that exposing database IDs (in URLs, for example) is a security risk, but I'm having trouble understanding why.
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VC MFC工具栏(CToolBar)控件 - C/C++ - 清泛网 - 专注C/C++及内核技术
...(50,38,ILC_COLOR24|ILC_MASK,1,1);//图片大小必须一致
CBitmap bmp;
for(int i=0;i<6;i++)
{
bmp.LoadBitmap(IDB_BITMAP1+i);
m_ImageList.Add(&bmp,RGB(255,255,255));
bmp.DeleteObject();
}
UINT nArray[6];
for(i=0;i<6;i++)
{
nArray[i]=ID_BUTTON1+i;
}
m_Toolbar.CreateEx(this);//创建工...
How can I get the ID of an element using jQuery?
... results not a single element by its default functionality
an alternative for DOM selector in jquery is
$('#test').prop('id')
which is different from .attr() and $('#test').prop('foo') grabs the specified DOM foo property, while $('#test').attr('foo') grabs the specified HTML foo attribute and ...
Getting the ID of the element that fired an event
...ted May 15 '19 at 5:24
Jack Bashford
37.2k1010 gold badges3535 silver badges5959 bronze badges
answered Sep 7 '08 at 19:02
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Calendar Recurring/Repeating Events - Best Storage Method
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Storing "Simple" Repeating Patterns
For my PHP/MySQL based calendar, I wanted to store repeating/recurring event information as efficiently as possibly. I didn't want to have a large number of rows, and I wanted to easily lookup all events that would take place...
The key must be an application-specific resource id
...responding to say a first and last name. where do i define the integer IDs for these?
– Jeffrey Blattman
May 26 '11 at 1:04
7
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Rails :include vs. :joins
...y was changed with Rails 2.1. Rails used to do the join in all cases, but for performance reasons it was changed to use multiple queries in some circumstances. This blog post by Fabio Akita has some good information on the change (see the section entitled "Optimized Eager Loading").
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How update the _id of one MongoDB Document?
...oing the delete first, but that is a bad idea because if your insert fails for some reason your data is now lost. You must instead drop your index, perform the work, then restore the index.
– skelly
Jun 2 '14 at 19:52
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