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How to convert a PNG image to a SVG? [closed]
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this Potrace is very accurate when you know how to use it: but its not multicolor 1.) convert your file to BMP 2.) (for the accurate part) convert bmp to a high resolution(strech it) 3.) color the shapes you want to trace in black 4.) convert 5.) change width ...
Reference: What is variable scope, which variables are accessible from where and what are “undefined
...rom. It then explicitly returns a value. The caller has the confidence to know what variables the function will work with and where its return values come from:
$baz = 'baz';
$blarg = foo($baz);
Extending the scope of variables into anonymous functions
$foo = 'bar';
$baz = function () use ($f...
Regex: match everything but specific pattern
... example "ing packages <!--and web page<!-- asdasasdas--> editors now use--> Lorem Ipsum"
– MonsterMMORPG
Jan 31 at 13:09
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XAMPP - Port 80 in use by “Unable to open process” with PID 4! 12
...change the "Listen 80" line to "Listen 8080". Save the file and close it.
Now it avoids Port 80 and uses Port 8080 instead without issue. The only additional thing you need to do is make sure to put localhost:8080 in the browser so the browser knows to look on Port 8080. Otherwise it defaults to Po...
Why is auto_ptr being deprecated?
...f assignments supported by auto_ptr
copy assignment (4) culprit
Now coming to the reason WHY the copy assignment itself was so disliked, I have this theory :
Not all programmers read books or standards
auto_ptr on the face of it, promises you ownership of the object
the little-* (pun in...
How to choose the right bean scope?
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@KishorPrakash: a while is now 6 months ago. ;-)
– Kukeltje
Nov 1 '19 at 10:22
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Activate a virtualenv via fabric as deploy user
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Right now, you can do what I do, which is kludgy but works perfectly well* (this usage assumes you're using virtualenvwrapper -- which you should be -- but you can easily substitute in the rather longer 'source' call you mentioned,...
Understanding the difference between Object.create() and new SomeFunction()
...e have two objects a and b.
var a = new Object();
var b = new Object();
Now, suppose a has some methods which b also wants to access. For that, we require object inheritance (a should be the prototype of b only if we want access to those methods). If we check the prototypes of a and b then we wil...
MyISAM versus InnoDB [closed]
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Also it might be helpful to know that MyISAM supports spatial index while InnoDB does not. And MyISAM do not seem to use foreign keys even though it doesn't prevent creating one.
– kriver
Sep 12 '12 at 14:59
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When should you use a class vs a struct in C++?
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Now that it is several years later and C++11 is supported by all the major compilers, Lambdas make this even more concise.
– user439793
Aug 14 '14 at 1:07
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