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How to use hex color values
...d of the few standard ones that UIColor allows you to use, but I have no idea how to do it.
38 Answers
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How to style dt and dd so they are on the same line?
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If you look at Bootstrap's CSS you can get an idea of how to style it even without using Bootstrap, too, though I do love that framework. Here's a snippet, ignoring the media queries for responsive design for simplicity of an example: dl{margin-top:0;margin-bottom:20px}...
Generate array of all letters and digits
...mbers you can form ranges and iterate over them. try this to get a general idea:
("a".."z").each { |letter| p letter }
to get an array out of it, just try the following:
("a".."z").to_a
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Can Json.NET serialize / deserialize to / from a stream?
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Any idea how I can use a custom converter along with this code? See no way of specifying a converter to be used by the serializer
– alwayslearning
Aug 18 '16 at 10:40
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Git vs Team Foundation Server [closed]
... and delete them when you finally check-in your feature (but the branching idea is a better way to do it)
– RPDeshaies
Nov 28 '14 at 19:16
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difference between primary key and unique key
...ample given by the author may not seem suitable, but try to get an overall idea.
http://tsqltips.blogspot.com/2012/06/difference-between-unique-key-and.html
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Why does NULL = NULL evaluate to false in SQL server
...ema.
(separator)
6.9 Design Advice for NULLs (195)
It is a good idea to declare all your base tables with NOT NULL
constraints on all columns whenever possible. NULLs confuse people
who do not know SQL, and NULLs are expensive.
Objection: NULLs confuses even people that know SQL wel...
.NET JIT potential error?
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Interesting idea, but surely this isn't "optimisation" but a very major bug in the compiler if this is the case? Would have been found by now wouldn't it?
– David M
Jan 13 '10 at 13:47
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How to check if a file is a valid image file?
... check, check the filesize to not be zero (or very small), is a very cheap idea:
statfile = os.stat(filename)
filesize = statfile.st_size
if filesize == 0:
#manage here the 'faulty image' case
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Speed up the loop operation in R
...as roughly 850K rows. My PC is still working (about 10h now) and I have no idea about the runtime.
10 Answers
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