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Is there a way to make a DIV unselectable?
...alse;" ondragstart="return false;">your text</div>
jQuery:
var _preventDefault = function(evt) { evt.preventDefault(); };
$("div").bind("dragstart", _preventDefault).bind("selectstart", _preventDefault);
Rich
s...
C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...释放对象拥有权限、引用计数等，控制权转移等）。auto_ptr 即是一种常见的智能指针。
智能指针通常用类模板实现：
template <class T>
class smartpointer
{
private:
T *_ptr;
public:
smartpointer(T *p) : _ptr(p) //构造函数
{
}
T& oper...
How to implement a property in an interface
...ic string Name { get; set; }
}
class Company : IName
{
private string _company { get; set; }
public string Name
{
get
{
return _company;
}
set
{
_company = value;
}
}
}
class Client
{
static void Main(st...
What is the maximum length of a table name in Oracle?
...
Teach a man to fish
Notice the data-type and size
>describe all_tab_columns
VIEW all_tab_columns
Name Null? Type
----------------------------------------- -------- ----------------------------
OWNER ...
int value under 10 convert to string two digit number
... on my form by name:
private void EmptyLabelArray()
{
var fmt = "Label_Row{0:00}_Col{0:00}";
for (var rowIndex = 0; rowIndex < 100; rowIndex++)
{
for (var colIndex = 0; colIndex < 100; colIndex++)
{
var lblName = String.Format(fmt, rowIndex, colIndex);
...
Can I set an opacity only to the background image of a div?
...e: linear-gradient(rgba(255,255,255,0.5), rgba(255,255,255,0.5)), url("your_image.png");
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What does %w(array) mean?
... #Same as :'some words'
%s[other words] #Same as :'other words'
%s_last example_ #Same as :'last example'
Since Ruby 2.0.0 you also have:
%i( a b c ) # => [ :a, :b, :c ]
%i[ a b c ] # => [ :a, :b, :c ]
%i_ a b c _ # => [ :a, :b, :c ]
# etc...
...
“Auto Layout still required after executing -layoutSubviews” with UITableViewCell subclass
...UITableViewCellAutolayoutIHope)
+ (void)load
{
Method existing = class_getInstanceMethod(self, @selector(layoutSubviews));
Method new = class_getInstanceMethod(self, @selector(_autolayout_replacementLayoutSubviews));
method_exchangeImplementations(existing, new);
}
- (void)_autolayout...
How to increment a datetime by one day?
...vedelta
print 'Today: ',datetime.now().strftime('%d/%m/%Y %H:%M:%S')
date_after_month = datetime.now()+ relativedelta(day=1)
print 'After a Days:', date_after_month.strftime('%d/%m/%Y %H:%M:%S')
Output:
Today: 25/06/2015 20:41:44
After a Days: 01/06/2015 20:41:44
...
How to hide first section header in UITableView (grouped style)
...dgeInsetsMake(-1.0f, 0.0f, 0.0f, 0.0);
}
Swift:
override func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
return section == 0 ? 1.0 : 32
}
override func viewDidLoad() {
super.viewDidLoad()
tableView.contentInset = UIEdgeInsets(top: -1, ...