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Type List vs type ArrayList in Java [duplicate]
...e ArrayList specific methods are limited. In that case you can very easily convert your List to ArrayList very easily. Most common is to accidentally use an ArrayList method, without that being necessary. Changing ArrayList to List or another List implementation is difficult.
–...
Exception handling in R [closed]
... "Not Sure what to with a negative value",
call = sys.call(),
# and include the offending parameter in the error object
x=x))
# raise the error
stop(negative_value_error)
}
cat("Returning from low_lev...
Which is better option to use for dividing an integer number by 2?
...
So everyone who says "the compiler will convert it to a shift anyway" is wrong, right? Unless the compiler can guarantee that you are dealing with a non-negative integer (either it is a constant or it is an unsigned int), it can't change it to a shift
...
How can I pass a Bitmap object from one activity to another
... putExtra(CONTENT_SELECTED_BITMAP_KEY, contentPlayer.image)
})
3. Convert ByteArray back to Bitmap.
Utils.kt
fun ByteArray.byteArrayToBitmap(context: Context) =
run {
BitmapFactory.decodeByteArray(this, BITMAP_OFFSET, size).run {
if (this != null) this
...
Difference between System.DateTime.Now and System.DateTime.Today
...eOffset.UtcNow.LocalDateTime
DateTimeOffset.Now.LocalDateTime
TimeZoneInfo.ConvertTime(DateTime.UtcNow, TimeZoneInfo.Local)
TimeZoneInfo.ConvertTimeFromUtc(DateTime.UtcNow, TimeZoneInfo.Local)
DateTime.Today returns a DateTime value that has the same year, month, and day components as any of the a...
How do I print a double value with full precision using cout?
...limits<double>::digits10 + 2) because 2 extra digits are needed when converting from decimal back to the binary representation to ensure the value is rounded to the same original value. Here is a paper with some details: docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html
...
Glorified classes in the Java language
...icket of code that was originally written with xdoclet processing and then converted to annotations. Oh, how I prefer annotations to that (even though, with suitable maven incantations, the net effect is the same).
– Donal Fellows
Aug 14 '10 at 15:50
...
What's the canonical way to check for type in Python?
...ve an object or an array of objects, and I use type-checking internally to convert a single object to a one-element list.
– sastanin
Jan 12 '09 at 11:21
14
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range() for floats
...st value is 0.9999999999999999. A practical improvement would be while x + sys.float_info.epsilon < y: although even this can probably fail with large numbers.
– Akseli Palén
Mar 18 '16 at 17:17
...
How to normalize a NumPy array to within a certain range?
...performed.
If they are not already of floating-point dtype, you'll need to convert them using astype. For example,
image = image.astype('float64')
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