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JavaScript “new Array(n)” and “Array.prototype.map” weirdness
...bserved this in Firefox-3.5.7/Firebug-1.5.3 and Firefox-3.6.16/Firebug-1.6.2
14 Answers
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Make sure only a single instance of a program is running
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20 Answers
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Connect to a locally built Jekyll Server using mobile devices in the LAN
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2 Answers
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Converting a column within pandas dataframe from int to string
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In [16]: df = DataFrame(np.arange(10).reshape(5,2),columns=list('AB'))
In [17]: df
Out[17]:
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How many bytes does one Unicode character take?
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Move the most recent commit(s) to a new branch with Git
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6726
+50
Moving t...
Set a persistent environment variable from cmd.exe
...s' that are displayed if you print the usage (setx /?), in particular:
2) On a local system, variables created or modified by this tool will be available in future command windows but not in the current CMD.exe command window.
3) On a remote system, variables created or modified by this too...
Scala: What is a TypeTag and how do I use it?
... List[Foo] => "list of foos"
}
we will get warnings:
<console>:23: warning: non-variable type argument String in type pattern List[String]↩
is unchecked since it is eliminated by erasure
case _: List[String] => "list of strings"
^
<console>:24: warnin...
Get names of all files from a folder with Ruby
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edited Nov 18 '09 at 13:02
Mike Woodhouse
47.6k1212 gold badges8585 silver badges123123 bronze badges
a...
What is the difference between `let` and `var` in swift?
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The let keyword defines a constant:
let theAnswer = 42
The theAnswer cannot be changed afterwards. This is why anything weak can't be written using let. They need to change during runtime and you must be using var instead.
The var defines an ordinary variable.
What is inte...