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Convert a Scala list to a tuple?
...cala> val hlist = "z" :: 6 :: "b" :: true :: HNil
hlist: shapeless.::[String,shapeless.::[Int,shapeless.::[String,shapeless.::[Boolean,shapeless.HNil]]]] = z :: 6 :: b :: true :: HNil
scala> val tup = hlist.tupled
tup: (String, Int, String, Boolean) = (z,6,b,true)
scala> tup
res0: (St...
Java: splitting a comma-separated string but ignoring commas in quotes
I have a string vaguely like this:
11 Answers
11
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How do I generate random number for each row in a TSQL Select?
...change your range, just change the number at the end of the expression. Be extra careful if you need a range that includes both positive and negative numbers. If you do it wrong, it's possible to double-count the number 0.
A small warning for the math nuts in the room: there is a very slight bias i...
What are the downsides to using Dependency Injection? [closed]
... I probably want to switch from std::cout to std::wcout. But that means my strings then have to be of wchar_t, not of char. Either every caller has to be changed, or (more reasonably), the old implementation gets replaced with an adaptor that translates the string and calls the new implementation.
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Difference between VARCHAR and TEXT in MySQL [duplicate]
...size)
takes 2 + c bytes of disk space, where c is the length of the stored string.
cannot be (fully) part of an index. One would need to specify a prefix length.
VARCHAR(M)
variable max size of M characters
M needs to be between 1 and 65535
takes 1 + c bytes (for M ≤ 255) or 2 + c (for 256 ≤...
C/C++ NaN constant (literal)?
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What are the differences between outputs for different strings? Which one should we use in typical numerical code?
– quant_dev
Jul 26 at 19:55
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Byte order mark screws up file reading in Java
...ets read along with the rest of the first line, thus causing problems with string compares.
9 Answers
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Hash Map in Python
...text, is dict(key1=value1, key2=value2, ...) but that requires the keys to strings which are also valid Python identifiers (and internally, this also creates a dictionary).
– user395760
Jan 2 '12 at 17:31
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Remove characters from NSString?
I want to remove the spaces, so the new string would be "ABCDEFG".
6 Answers
6
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How can I use UUIDs in SQLAlchemy?
...ve storing as binary(16 bytes) should end up being more efficient than the string representation(36 bytes?), And there seems to be some indication that indexing 16 byte blocks should be more efficient in mysql than strings. I wouldn't expect it to be worse anyway.
One disadvantage I've found is tha...