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How is “int* ptr = int()” value initialization not illegal?
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int() is a constant expression with a value of 0, so it's a valid way of producing a null pointer constant. Ultimately, it's just a slightly different way of saying int *ptr = NULL;
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Resizing an image in an HTML5 canvas
...e using javascript and a canvas element, but when I shrink the image down, it looks terrible. It looks as if it was downsized in photoshop with the resampling set to 'Nearest Neighbor' instead of Bicubic. I know its possible to get this to look right, because this site can do it just fine using ...
How do I initialize a TypeScript object with a JSON object
...t ways. They are by no means "complete" and as a disclaimer, I don't think it's a good idea to do it like this. Also the code isn't too clean since I just typed it together rather quickly.
Also as a note: Of course deserializable classes need to have default constructors as is the case in all other...
jQuery callback on image load (even when the image is cached)
...follow
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edited Nov 19 '18 at 18:16
xyres
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Integrated Markdown WYSIWYG text editor
In looking for a straightforward WYSIWYG editor for Markdown code, I am not finding a comparible UI to that of CkEditor, TinyMCE, ect.
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Why don't they teach these things in school? [closed]
...learned a lot (probably more than I've learned in the sum of all my university coursework). I'm really wondering why they don't teach a few of the things I learned sooner in school though. To name a few:
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How to find the kth largest element in an unsorted array of length n in O(n)?
... kth largest element in an unsorted array of length n in O(n). Or perhaps it's "expected" O(n) or something. How can we do this?
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Why use static_cast(x) instead of (int)x?
...valid conversion in the language, or an appropriate constructor that makes it possible. The only time it's a bit risky is when you cast down to an inherited class; you must make sure that the object is actually the descendant that you claim it is, by means external to the language (like a flag in th...
Python ElementTree module: How to ignore the namespace of XML files to locate matching element when
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Instead of modifying the XML document itself, it's best to parse it and then modify the tags in the result. This way you can handle multiple namespaces and namespace aliases:
from io import StringIO # for Python 2 import from StringIO instead
import xml.etree.E...
How to delete migration files in Rails 3
...:migrate again.
If your application is already on production or staging, it's safer to just write another migration that destroys your table or columns.
Another great reference for migrations is: http://guides.rubyonrails.org/migrations.html
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