大约有 43,000 项符合查询结果（耗时：0.0366秒） [XML]
In Android, how do I set margins in dp programmatically?
...ould use RelativeLayout.LayoutParams or LinearLayout.LayoutParams.
And to convert your dp measure to pixel, try this:
Resources r = mContext.getResources();
int px = (int) TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP,
yourdpmeasure,
r.getDisplayMetrics()
);
...
How to check if PHP array is associative or sequential?
... no such thing as an array key of "8" because it will always be (silently) converted to the integer 8. So trying to differentiate between integers and numeric strings is unnecessary.
If you want the most efficient way to check an array for non-integer keys without making a copy of part of the array...
Properly removing an Integer from a List
...in the second case '(Integer) n' can only be of type Integer. 'n' will be converted/boxed/unboxed as required or you will get a compiler errors if it cannot.
– Peter Lawrey
Dec 26 '10 at 14:53
...
Storing integer values as constants in Enum manner in java [duplicate]
...
if you want to be able to convert integer back to corresponding enum with selected value see Constants.forValue(...) in below auto generated code but if not the answer of BlairHippo is best way to do it.
public enum Constants
{
SIGN_CREATE(0),
SIGN_C...
How do you round to 1 decimal place in Javascript?
...
// fixed is always to 1 d.p.
// NOTE: .toFixed() returns a string!
// To convert back to number format
parseFloat(number.toFixed(2))
// 12.34
// but that will not retain any trailing zeros
// So, just make sure it is the last step before output,
// and use a number format during calculations!
E...
Is short-circuiting logical operators mandated? And evaluation order?
...&& operator groups left-to-right. The operands are both implicitly converted to type bool (clause 4).
The result is true if both operands are true and false otherwise. Unlike &, && guarantees left-to-right
evaluation: the second operand is not evaluated if the first operand i...
Converting Go struct to JSON
I am trying to convert a Go struct to JSON using the json package but all I get is {} . I am certain it is something totally obvious but I don't see it.
...
What are the differences between Generics in C# and Java… and Templates in C++? [closed]
...oesn't understand these new List<something>, so you have to manually convert things back to plain old List to interoperate with them. This is not that big of a problem, because C# 2.0 binary code is not backwards compatible. The only time this will ever happen is if you're upgrading some old C...
How to get enum value by string or int
...
public static T GetEnumValue<T>(string str) where T : struct, IConvertible
{
Type enumType = typeof(T);
if (!enumType.IsEnum)
{
throw new Exception("T must be an Enumeration type.");
}
T val;
return Enum.TryParse<T>(st...
Get Mouse Position
...urself, by using an already implemented convinience method: SwingUtilities.convertPointFromScreen(MouseInfo.getPointerInfo().getLocation(), component)
– Andrei Vajna II
Aug 29 '14 at 10:48
...