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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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Join a list of items with different types as string in Python
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Calling str(...) is the Pythonic way to convert something to a string.
You might want to consider why you want a list of strings. You could instead keep it as a list of integers and only convert the integers to strings when you need to display them. For example, i...
Why don't Java's +=, -=, *=, /= compound assignment operators require casting?
...e beginner coming here, reading this, and going away thinking that you can convert any character from upper case to lower case by multiplying it by 1.5.
– Dawood ibn Kareem
May 28 '14 at 9:25
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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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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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Get string character by index - Java
...rns s
If you're hellbent on having a string there are a couple of ways to convert a char to a string:
String mychar = Character.toString("mystring".charAt(2));
Or
String mychar = ""+"mystring".charAt(2);
Or even
String mychar = String.valueOf("mystring".charAt(2));
For example.
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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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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...
How can I convert JSON to a HashMap using Gson?
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what if I need to convert string which is actually a array
– Ravi Yadav
Nov 15 '19 at 13:50
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