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Java: Class.this
...sing classes (JLS 8.1), so a.this in your example is not defined. I don't know if this constraint is true for bytecode. Maybe not.
– aioobe
Apr 29 '15 at 6:33
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How do I catch a numpy warning like it's an exception (not just for testing)?
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To add a little to @Bakuriu's answer:
If you already know where the warning is likely to occur then it's often cleaner to use the numpy.errstate context manager, rather than numpy.seterr which treats all subsequent warnings of the same type the same regardless of where they occ...
Does Java 8 provide a good way to repeat a value or function?
...ized, so the elements don't actually all exist in memory, and the size is known up front. This should make for a fast and easily parallelizable spliterator. But it surprisingly didn't do very well. Perhaps the reason is that range has to compute a value for each element of the range and then call a ...
How does the Java 'for each' loop work?
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This answer is now a blog post and was created from two related answers that I've written: here and here. It also includes a generically useful class for comparing the speed of two functions (at the bottom).
– aliteral...
rsync: difference between --size-only and --ignore-times
...a big cp -r A B yesterday, but you forgot to preserve the time stamps, and now you want to do the operation in reverse rsync B A. All those files you cp'ed have yesterday's time stamp, even though they weren't really modified yesterday, and rsync will by default end up copying all those files, and u...
When to use a key/value store such as Redis instead/along side of a SQL database?
...ood it's purpose. After reading this I can actually say I understand Redis now and how it's useful. Amazing that after hearing so much about it all it took was a relatively simple article.
A quote from the article:
Redis is different than other database solutions in many ways: it uses memory a...
CSS content property: is it possible to insert HTML instead of Text?
...; tags, this won't work in pseudo-elements (at least as of today, I don't know if it is specified anywhere that it shouldn't, so it may be a not-yet implemented feature).
Now, a small demo of some html markup in a pseudo element :
/*
** original svg code :
*
*<svg width="200" height=...
How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?
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@Matthieu: Now add rvalue refs, perfect forwarding and uniform initialization from @DeadMG's code and you've got many new features set. :>
– Xeo
May 24 '11 at 17:36
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Using emit vs calling a signal as if it's a regular function in Qt
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Do you know if there was ever an implementation (or a planned implementation) of an emit that actually did more than nothing? I find that having the 'syntactic sugar' in this case just confuses the novice (or at least me when I was ...
Difference between DTO, VO, POJO, JavaBeans?
...inition of Data Transfer Object:
Data transfer object (DTO), formerly known as value objects or VO, is a design pattern used to transfer data between software application subsystems. DTOs are often used in conjunction with data access objects to retrieve data from a database.
The difference...