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How to add a custom button state
... details:
First, create file "res/values/attrs.xml":
<?xml version="1.0" encoding="utf-8"?>
<resources>
<declare-styleable name="food">
<attr name="state_fried" format="boolean" />
<attr name="state_baked" format="boolean" />
</declare-style...
mysql - how many columns is too many?
I'm setting up a table that might have upwards of 70 columns. I'm now thinking about splitting it up as some of the data in the columns won't be needed every time the table is accessed. Then again, if I do this I'm left with having to use joins.
...
How to convert a ruby hash object to JSON?
..., though).
So, take a look here:
car = {:make => "bmw", :year => "2003"}
# => {:make=>"bmw", :year=>"2003"}
car.to_json
# NoMethodError: undefined method `to_json' for {:make=>"bmw", :year=>"2003"}:Hash
# from (irb):11
# from /usr/bin/irb:12:in `<main>'
require 'json...
When to choose mouseover() and hover() function?
...d Oct 18 '19 at 15:42
informatik01
14.7k88 gold badges6666 silver badges100100 bronze badges
answered Jul 11 '13 at 9:15
...
What does it mean when MySQL is in the state “Sending data”?
...ely because of a lot of time doing disk access: dev.mysql.com/doc/refman/5.0/en/general-thread-states.html
– Matthew Kolb
Jul 30 '13 at 22:06
...
function declaration isn't a prototype
...oo() accepts an arbitrary number of arguments, while int foo(void) accepts 0 arguments. In C++ they mean the same thing. I suggest that you use void consistently when you mean no arguments.
If you have a variable a, extern int a; is a way to tell the compiler that a is a symbol that might be presen...
Merge up to a specific commit
...
mtyaka
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answered Nov 22 '11 at 7:03
KL-7KL-7
...
Convert DateTime to String PHP
...
420
You can use the format method of the DateTime class:
$date = new DateTime('2000-01-01');
$resul...
CListCtrl 行高设置，自定义行高 - C/C++ - 清泛网 - 专注C/C++及内核技术
...sureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct)
{
if (m_nRowHeight>0)
{
lpMeasureItemStruct->itemHeight = m_nRowHeight;
}
}
void CMyListCtrl::OnMeasureItem(int nIDCtl, LPMEASUREITEMSTRUCT lpMeasureItemStruct)
{
CListCtrl::OnMeasureItem(nIDCtl, lpMeasureItemStruct...
MFC Dialog中嵌入View、动态创建View的方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...oView);
if (!((CView*)m_pDemoView)->Create(NULL, NULL, WS_CHILD, CRect(0, 0, 0, 0), this, NULL, NULL))
{
AfxMessageBox(_T("Create view failed"));
return;
}
...
//显示FormView
m_pDemoView->MoveWindow(rect);
m_pDemoView->ShowWindow(SW_SHOW);
m_pDemoView->OnInitialUpdate(); //...