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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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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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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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.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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What is the difference between a strongly typed language and a statically typed language?
...e C. C is the one of the best examples of weakly typed. The runtime has no idea if 4 bytes is an integer, a struct, a pointer or a 4 c
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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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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Using Phonegap for Native Application development [closed]
...roid) and does use Apple notification network, not sure where you get the idea that it breaks the developer agreement..
– Traveling_Monk
Jun 14 '11 at 17:32
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Determine if a String is an Integer in Java [duplicate]
... Just avoid Apache "commons" at all costs. While sometimes a good idea at first sight, it's just a bunch of antipatterns that will bring you dependency hell, for debatable results.
– ymajoros
Oct 4 '17 at 5:20
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