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What is the copy-and-swap idiom?
...++, and generally we've all come to agree that a single point of access is best (for consistency), and the only way to do that in general is a free function (int cannot have a swap member, for example). See my question for some background.
– GManNickG
Jul 19 '1...
Why shouldn't I use mysql_* functions in PHP?
...->fetch(), a method of your statement handle. Before calling fetch, the best approach would be telling PDO how you’d like the data to be fetched. In the below section I am explaining this.
Fetch Modes
Note the use of PDO::FETCH_ASSOC in the fetch() and fetchAll() code above. This tells PDO to...
Why does struct alignment depend on whether a field type is primitive or user-defined?
...ame as long. So the custom struct wrapper will always align to the highest/best aligned field in the structure or to it's own internal most significant fields. So in the case of a ref string that is 8 byte aligned the struct wrapper will align to that.
Concluding custom struct field inside struct w...
Twitter image encoding challenge [closed]
...lmost lossless. My technique uses conversion to SVG vector art so it works best on line art. It is actually an SVG compressor, it still requires the original art go through a vectorisation stage.
For my first attempt I used an online service for the PNG trace however there are MANY free and non-fr...
Understanding __get__ and __set__ and Python descriptors
...n of __getattribute__ (both can be used to "customize" the behavior).
The best illustration of attribute lookup (in Python 3.x or for new-style classes in Python 2.x) in this case is from Understanding Python metaclasses (ionel's codelog). The image uses : as substitute for "non-customizable attrib...
Why does Java switch on contiguous ints appear to run faster with added cases?
... not be considered an authoritative source. Anything you read there is at best second-hand info.
– cHao
Mar 25 '13 at 17:57
6
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ExpressJS How to structure an application?
...le all alone 3 directories down. You can see this happening in the Ansible Best Practices that shames small projects into creating 10+ directories to hold 10+ files when 1 directory with 3 files would be much more appropriate. You don't drive a bus to work (unless you're a bus driver, but even then ...
A monad is just a monoid in the category of endofunctors, what's the problem?
...nal texts of Category Theory. Here it is in context, which is probably the best place to learn exactly what it means.
But, I'll take a stab. The original sentence is this:
All told, a monad in X is just a monoid in the category of endofunctors of X, with product × replaced by composition of endofu...
Refresh image with a new one at the same url
... be designed to work efficiently with your own HTML, so code them as works best for you; much of the complications in them may be unnecessary for your website:
// This function should blank all images that have a matching src, by changing their src property to /img/1x1blank.gif.
// ##### You should...
What's the difference between passing by reference vs. passing by value?
...
Best answer IMO
– Rafael Eyng
Jan 19 at 17:20
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