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What's the best way to set a single pixel in an HTML5 canvas?
...ould be no aliasing issues):
ctx.fillStyle = "rgba("+r+","+g+","+b+","+(a/255)+")";
ctx.fillRect( x, y, 1, 1 );
You can test the speed of these here: http://jsperf.com/setting-canvas-pixel/9 or here https://www.measurethat.net/Benchmarks/Show/1664/1
I recommend testing against browsers you car...
Convert Unicode to ASCII without errors in Python
... in range(128)
While:
html = '\xa0'
decoded_str = html.decode("windows-1252")
encoded_str = decoded_str.encode("utf8")
Succeeds without error. Do note that "windows-1252" is something I used as an example. I got this from chardet and it had 0.5 confidence that it is right! (well, as given with ...
UIActionSheet cancel button strange behaviour
...
Corey FloydCorey Floyd
25.7k2929 gold badges122122 silver badges152152 bronze badges
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When to use symbols instead of strings in Ruby?
...
CupawnTae
12.7k22 gold badges2525 silver badges5757 bronze badges
answered May 18 '13 at 5:38
fotanusfotanus
...
Select all elements with “data-” attribute without using jQuery
...
251
document.querySelectorAll("[data-foo]")
will get you all elements with that attribute.
docu...
Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
...equesting.
– chaos
Feb 17 '16 at 16:07
2
@CharlesBretana: By "fake UTF-8" I mean MySQL's "utf8" e...
What is the difference between Tomcat, JBoss and Glassfish?
...
– aldo.roman.nurena
Aug 23 '13 at 23:07
23
@aldo.roman.nurena Very few differences. GlassFish and...
List of standard lengths for database fields
...g/International/questions/qa-personal-names
For database fields, VARCHAR(255) is a safe default choice, unless you can actually come up with a good reason to use something else. For typical web applications, performance won't be a problem. Don't prematurely optimize.
...
How to find a text inside SQL Server procedures / triggers?
...f a procedure I use on my system to find text....
DECLARE @Search varchar(255)
SET @Search='[10.10.100.50]'
SELECT DISTINCT
o.name AS Object_Name,o.type_desc
FROM sys.sql_modules m
INNER JOIN sys.objects o ON m.object_id=o.object_id
WHERE m.definition Like '%'+@Search+...
Why rgb and not cmy? [closed]
...s result in black).
– galinette
Feb 25 '15 at 14:28
...