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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...
SQL: IF clause within WHERE clause
...rderNumber = CASE
WHEN (IsNumeric(@OrderNumber) = 1)
THEN CONVERT(INT, @OrderNumber)
ELSE -9999 -- Some numeric value that just cannot exist in the column
END
OR
FirstName LIKE CASE
WHEN (IsNumeric(@OrderNumber) = 0)
THEN '%' + @OrderNumber
...
LINQ query on a DataTable
...ensions
AsEnumerable() returns IEnumerable<DataRow>. If you need to convert IEnumerable<DataRow> to a DataTable, use the CopyToDataTable() extension.
Below is query with Lambda Expression,
var result = myDataTable
.AsEnumerable()
.Where(myRow => myRow.Field<int>("RowN...
How do I export UIImage array as a movie?
...e
{
// This command grabs the next UIImage and converts it to a CGImage
buffer = [self pixelBufferFromCGImage:[[array objectAtIndex:i] CGImage]];
}
if (buffer)
{
// Give the CGImage to the AVAssetWriter...
How can I generate a list or array of sequential integers in Java?
...
An IntInterval is an ImmutableIntList which extends IntList. It also has converter methods.
IntInterval ints = IntInterval.oneTo(10);
IntSet set = ints.toSet();
IntList list = ints.toList();
IntBag bag = ints.toBag();
An Interval and an IntInterval do not have the same equals contract.
Update ...
What is object serialization?
...ed across a communication link. The byte stream can then be deserialized - converted into a replica of the original object.
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Draw multi-line text to Canvas
... }
// resource bitmaps are imutable,
// so we need to convert it to mutable one
bitmap = bitmap.copy(bitmapConfig, true);
Canvas canvas = new Canvas(bitmap);
// new antialised Paint
Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
// text...
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...
How to change int into int64?
Im trying to convert an integer into an integer64 in go but im having no luck. Anyone know an easy way to do this?
3 Answer...
Watermark / hint text / placeholder TextBox
...brushWatermarkBorder" Color="Indigo" />
<BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" />
<local:TextInputToVisibilityConverter x:Key="TextInputToVisibilityConverter" />
<Style x:Key="EntryFieldStyle" TargetType="Grid" >
...