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How to implement an STL-style iterator and avoid common pitfalls?
...riterator>, or put the same typedefs in the iterator itself, or inherit from std::iterator (which has these typedefs). I prefer the second option, to avoid changing things in the std namespace, and for readability, but most people inherit from std::iterator.
struct std::iterator_traits<youri...
Easiest way to read from a URL into a string in .NET
...oadString("https://stackoverflow.com/questions/1048199/easiest-way-to-read-from-a-url-into-a-string-in-net/1048204");) - works absolutely fine. Whatever is happening: it isn't https that is the immediate problem. Are you sure the site has a valid cert?
– Marc Gravell♦
...
CSS3 Transparency + Gradient
...le */
background-image: -webkit-gradient(
linear, left top, left bottom, from(rgba(50,50,50,0.8)),
to(rgba(80,80,80,0.2)), color-stop(.5,#333333)
);
(src)
/* mozilla example - FF3.6+ */
background-image: -moz-linear-gradient(
rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0) 95%
);
(src...
py2exe - generate single executable file
...so has this feature, see minty's answer)
I use the version of PyInstaller from svn, since the latest release (1.3) is somewhat outdated. It's been working really well for an app which depends on PyQt, PyQwt, numpy, scipy and a few more.
...
Get a pixel from HTML Canvas?
....getElementById('myCanvas').getContext('2d');
// Get the CanvasPixelArray from the given coordinates and dimensions.
var imgd = context.getImageData(x, y, width, height);
var pix = imgd.data;
// Loop over each pixel and invert the color.
for (var i = 0, n = pix.length; i < n; i += 4) {
pix[...
JavaScript dependency management: npm vs. bower vs. volo [closed]
...ill not used it for more than 5 minutes in years. Don't know about it, but from what I can see it does include some build tool, which is very familiar to Grunt users.
npm
Yes, npm stands for Node Package Manager. But nowadays you can use it for everything; people are no longer only npm installing ...
What part of Hindley-Milner do you not understand?
...ype τ, proves that e has type τ'.
As requested: operator precedence, from highest to lowest:
Language-specific infix and mixfix operators, such as λ x . e, ∀ α . σ, and τ → τ', let x = e0 in e1, and whitespace for function application.
:
∈ and ∉
, (left-associative)
⊢
whitespa...
Get Base64 encode file-data from Input Form
I've got a basic HTML form from which I can grab a bit of information that I'm examining in Firebug.
6 Answers
...
Get unique values from a list in python [duplicate]
I want to get the unique values from the following list:
30 Answers
30
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How to get progress from XMLHttpRequest
...
@nicematt in that example it would be fine as it comes from a file, but if you were streaming the zip straight from memory you couldn't just make up a content length or estimate it.
– Chris Chilvers
Aug 22 '16 at 8:21
...