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Cleanest way to get last item from Python iterator
...t? If the iterator doesn't actually iterate, then an out-of-band value is more meaningful than some misleading function-specific default.
– S.Lott
Jan 26 '10 at 11:44
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How to completely uninstall Visual Studio 2010?
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`find -name` pattern that matches multiple patterns
... I'm using zsh, which, as a general rule, supports all bashisms, plus more.
– Xiong Chiamiov
Jul 15 '09 at 20:50
13
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Search and replace in Vim across all the project files
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Drawing a dot on HTML5 canvas [duplicate]
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If you are planning to draw a lot of pixel, it's a lot more efficient to use the image data of the canvas to do pixel drawing.
var canvas = document.getElementById("myCanvas");
var canvasWidth = canvas.width;
var canvasHeight = canvas.height;
var ctx = canvas.getContext("2d");
v...
When NOT to use Cassandra?
..., etc in a real time manner. You can refer to this blog post to understand more about the use cases where Cassandra fits in.
When to Use a RDMS instead of Cassandra
Cassandra is based on a NoSQL database and does not provide ACID and relational data properties. If you have a strong requirement fo...
How to randomly select rows in SQL?
...ORDER BY NEWID()
That said, everybody seems to come to this page for the more general answer to your question:
Selecting a random row in SQL
Select a random row with MySQL:
SELECT column FROM table
ORDER BY RAND()
LIMIT 1
Select a random row with PostgreSQL:
SELECT column FROM table
ORDER BY...
What does [:] mean?
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@ilius: Maybe l.copy() is more readable, but it won't work.
– Sven Marnach
May 29 '11 at 16:47
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Should I learn C before learning C++? [closed]
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I couldn't disagree more. Learning C++ first makes for a very difficult experience "going back" to C. C is a fundamental, basics-only systems language. C++ is a whole new ballgame, approaches to any problem in either language will differ wildly....
Is there a CSS selector for elements containing certain text?
...on: Yes, it is still true for today! Content selectors were deprecated! No more content selectors since CSS3. (w3.org/TR/css3-selectors/#selectors)
– Wlad
Sep 22 '16 at 12:42
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