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std::unique_lock or std::lock_guard?
...er, std::unique_lock might have a tad more overhead.
Note that these days one should use std::scoped_lock instead of std::lock_guard.
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Markdown open a new window link [duplicate]
... Markdown provides shorthand for the most common features of HTML. One of its best features is that you can always fallback to the full syntax for HTML. This includes doing things that aren't included in markdown. Personally, I like that markdown is concise and includes very little fluff. I...
Difference between `data` and `newtype` in Haskell
...ay,
data Maybe a = Nothing
| Just a
since it has more than one constructor. Nor can you write
newtype Book = Book Int Int
Strictness
The fact that the constructor is erased leads to some very subtle differences in strictness between data and newtype. In particular, data introduce...
How to elegantly check if a number is within a range?
... I think this is the most solid solution but not that elegantly the questioner looking for, isn't ?
– Kevin Simple
May 27 '15 at 4:40
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Beginner's guide to ElasticSearch [closed]
...y name: https://www.elastic.co/blog/author/zachary-tong
To be perfectly honest, the best source of beginner knowledge is now Elasticsearch - The Definitive Guide written by myself and Clinton Gormley.
It assumes zero search engine knowledge and explains information retrieval first principals in...
HttpClient.GetAsync(…) never returns when using await/async
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You are misusing the API.
Here's the situation: in ASP.NET, only one thread can handle a request at a time. You can do some parallel processing if necessary (borrowing additional threads from the thread pool), but only one thread would have the request context (the additional threads do no...
input type=file show only button
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<input type="file" id="selectedFile" style="display: none;" />
<input type="button" value="Browse..." onclick="document.getElementById('selectedFile').click();" />
This will surely work i have used it in my projects.I hope this helps :)
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Using tags in the with other HTML
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As others have already mentioned, HTML 4 requires the <style> tag to be placed in the <head> section (even though most browsers allow <style> tags within the body).
However, HTML 5 includes the scoped attribute (see update below), whi...
Reverse / invert a dictionary mapping
..., []).append(k). I used to be a defaultdict fanboy, but then I got screwed one too many times and concluded that actually explicit is better than implicit.
– alsuren
Nov 10 '10 at 14:55
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pypi UserWarning: Unknown distribution option: 'install_requires'
...11-py2.7.egg running setup.py only picks up distutils dist.py, and not the one from site-packages/setuptools/.
Also the setuptools documentation hints to using ez_setup and not distutils.
However, setuptools is itself provided by distribute nowadays, and that flavor of setup() supports install_req...