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Equivalent of varchar(max) in MySQL?
...) and not varchar(MAX_SIZE_OF_A_COLUMN).
MySql does not have an equivalent idiom.
In order to get the same amount of storage as a varchar(max) in MySql you would still need to resort to a BLOB column type. This article discusses a very effective method of storing large amounts of data in MySql effi...
Maximum Length of Command Line String
...in7. I'm not sure what the 8191 limit refers to, but I haven't found any evidence of it yet.
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How to create default value for function argument in Clojure
...Integer/parseInt s base)))
Note that assuming false and nil are both considered non-values, (if (nil? base) 10 base) could be shortened to (if base base 10), or further to (or base 10).
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What does iota of std::iota stand for?
...nguage APL.
In his Turing Award lecture, Ken Iverson (inventor of APL) said this:
For example, the integer function denoted by ι produces a vector of the first n integers when applied to the argument n, …
That ι is the lower-case Greek letter iota.
In the quote above, I typed ι, U+03B9...
`levels
...here was no reassignment of dat.
In these circumstances, within() is the ideal function to use. You would naturally wish to write
levels(product) <- bar
in R but of course product doesn't exist as an object. within() gets around this because it sets up the environment you wish to run your R ...
How to capture stdout output from a Python function call?
...ith redirect_stdout(sys.stderr):
help(pow)
Note that the global side effect on sys.stdout means that this context
manager is not suitable for use in library code and most threaded
applications. It also has no effect on the output of subprocesses.
However, it is still a useful approac...
API Keys vs HTTP Authentication vs OAuth in a RESTful API
...
It depends on your needs. Do you need:
Identity – who claims to be making an API request?
Authentication – are they really who they say they are?
Authorization – are they allowed to do what they are trying to do?
or all three?
If you just need to identif...
Why is GHC so large/big?
...
It's a bit silly really. Every library that comes with GHC is provided in no less than 4 flavours:
static
dynamic
profiled
GHCi
The GHCi version is just the static version linked together in a single .o file. The other three versions all have their own set of interface files (.hi files...
JavaScript function order: why does it matter?
...ubbish.
Function hoisting is a feature in JavaScript because it is a good idea.
When you have an internal function which is often the utility of inner functions, adding it to the beginning of the outer function is an acceptable style of writing code, but it does have the drawback that you have to...
git --git-dir not working as expected
... this worked! Agreed that this is confusing. Its called Keep It Simple Stupid. You can almost always allow flexibility while at the same time giving defaults that make the most sense VS having a command not work at all.
– Nay
Jan 18 '12 at 6:34
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