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Creating Unicode character from its number
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Just cast your int to a char. You can convert that to a String using Character.toString():
String s = Character.toString((char)c);
EDIT:
Just remember that the escape sequences in Java source code (the \u bits) are in HEX, so if you're trying to reproduce an ...
How do I write output in same place on the console?
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You can also use the carriage return:
sys.stdout.write("Download progress: %d%% \r" % (progress) )
sys.stdout.flush()
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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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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...
How to beautify JSON in Python?
...thon solution that colors json data supplied via the command line:
import sys
import json
from pygments import highlight, lexers, formatters
formatted_json = json.dumps(json.loads(sys.argv[1]), indent=4)
colorful_json = highlight(unicode(formatted_json, 'UTF-8'), lexers.JsonLexer(), formatters.Ter...
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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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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Convert Decimal to Double
I want to use a Track-Bar to change a Form 's opacity.
15 Answers
15
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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...