大约有 44,000 项符合查询结果(耗时:0.0559秒) [XML]
John Carmack's Unusual Fast Inverse Square Root (Quake III)
...Terje Mathisen and Gary Tarolli both take partial (and very modest) credit for it, as well as crediting some other sources.
How the mythical constant was derived is something of a mystery.
To quote Gary Tarolli:
Which actually is doing a floating
point computation in integer - it took
a lo...
Can jQuery provide the tag name?
...
both this.nodeName and this.tagName seem to work for me. Thanks all!
– BigPigVT
Oct 7 '09 at 15:50
5
...
EF Code First “Invalid column name 'Discriminator'” but no inheritance
... (see below the CREATE TABLE statement). It has a primary key, a couple of foreign keys and nothing special about it. I have many tables in my database similar to that one, but for some reason, this table ended up with a "Discriminator" column on the EF Proxy Class.
...
What is a raw type and why shouldn't we use it?
...Raw Types
A raw type is defined to be one of:
The reference type that is formed by taking the name of a generic type declaration without an accompanying type argument list.
An array type whose element type is a raw type.
A non-static member type of a raw type R that is not inherited from a super...
CSS last-child selector: select last-element of specific class, not last child inside of parent?
...e last child of the container, not the last of a specific type of element. For that, you want :last-of-type
http://jsfiddle.net/C23g6/3/
As per @BoltClock's comment, this is only checking for the last article element, not the last element with the class of .comment.
body {
background: blac...
TextView bold via xml file?
...
Just you need to use
//for bold
android:textStyle="bold"
//for italic
android:textStyle="italic"
//for normal
android:textStyle="normal"
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:te...
How do I retrieve an HTML element's actual width and height?
...urns dimensions and location of element as floating-point numbers after performing CSS transforms.
> console.log(document.getElementById('id').getBoundingClientRect())
DOMRect {
bottom: 177,
height: 54.7,
left: 278.5,
right: 909.5,
top: 122.3,
width: 631,
x: 278.5,...
How to find a deleted file in the project commit history?
...ath> can be very dangerous if you have more than one branch and tend to forget paths and branches (like me) and it's also dangerous if you work with other developers.
– hobs
Feb 10 '14 at 18:29
...
How to dynamic new Anonymous Class?
...e = new ExpandoObject();
employee.Name = "John Smith";
employee.Age = 33;
foreach (var property in (IDictionary<string, object>)employee)
{
Console.WriteLine(property.Key + ": " + property.Value);
}
// This code example produces the following output:
// Name: John Smith
// Age: 33
The a...
Check if EditText is empty. [closed]
I have 5 EditTexts in android for users to input. I would like to know if I could have a method for checking all the 5 EditTexts if they are null. Is there any way to do this??
...