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Is 'float a = 3.0;' a correct statement?
...It is not an error to declare float a = 3.0 : if you do, the compiler will convert the double literal 3.0 to a float for you.
However, you should use the float literals notation in specific scenarios.
For performance reasons:
Specifically, consider:
float foo(float x) { return x * 0.42; }
H...
converting a base 64 string to an image and saving it
.../gif;base64,
//this image is a single pixel (black)
byte[] bytes = Convert.FromBase64String("R0lGODlhAQABAIAAAAAAAAAAACH5BAAAAAAALAAAAAABAAEAAAICTAEAOw==");
Image image;
using (MemoryStream ms = new MemoryStream(bytes))
{
image = Image.FromStream(ms);
}
return i...
Why doesn't print work in a lambda?
... where I am using this for simple stubbing out I use this:
fn = lambda x: sys.stdout.write(str(x) + "\n")
which works perfectly.
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Convert Decimal to Double
I want to use a Track-Bar to change a Form 's opacity.
15 Answers
15
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C# Float expression: strange behavior when casting the result float to int
...f keeping the value 6.2f * 10 in a high precision intermediate form before converting to int. If it does, then the result is 61. If it does not, then the result is 62.
In the second example, the explicit assignment to float forces the rounding to take place before the conversion to integer.
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Why do I get TypeError: can't multiply sequence by non-int of type 'float'?
...ead the syntax error before posting here and using Google. I was trying to convert the raw_input for salesAmount to an int rather than a float. Do you know why int will not work, but rather float would? Bare with me, lol.
– SD.
Jan 27 '09 at 23:39
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T-SQL: Selecting rows to delete via joins
...;
WHILE @i < 1000000
BEGIN
INSERT INTO @TableB VALUES(@i, 'nameB:' + CONVERT(VARCHAR, @i))
INSERT INTO @TableA VALUES(@i+5, 'nameA:' + CONVERT(VARCHAR, @i+5), @i)
SET @i = @i + 1;
END
SELECT @startTime = GETDATE()
DELETE a
--SELECT *
FROM @TableA a
Inner Join @TableB b
ON a.BId = b.BId...
Can I assume (bool)true == (int)1 for any C++ compiler?
...Reference: 4.7 [conv.integral] / 4: If the source type is bool... true is converted to one.
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Get value from SimpleXMLElement Object
..."getValue"? why would they print empty string if you printed it instead of converted it manually to (string). WHY??
– user151496
Oct 17 '16 at 12:31
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How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?
How do you convert a Unix timestamp (seconds since epoch) to Ruby DateTime?
6 Answers
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