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How to dump a table to console?
...e from Penlight:
> t = { a = { b = { c = "Hello world!", 1 }, 2, d = { 3 } } }
> require 'pl.pretty'.dump(t)
{
a = {
d = {
3
},
b = {
c = "Hello world!",
1
},
2
}
}
share
...
What is the fastest or most elegant way to compute a set difference using Javascript arrays?
...don't know if this is most effective, but perhaps the shortest
A = [1, 2, 3, 4];
B = [1, 3, 4, 7];
diff = A.filter(function(x) { return B.indexOf(x) < 0 })
console.log(diff);
Updated to ES6:
A = [1, 2, 3, 4];
B = [1, 3, 4, 7];
diff = A.filter(x => !B.includes(x) );
console.log(diff);
...
How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...
923
Here's how I do it:
private string GetExcelColumnName(int columnNumber)
{
int dividend = co...
How to remove outliers from a dataset
... answered Jan 24 '11 at 22:47
aL3xaaL3xa
30.7k1717 gold badges7474 silver badges108108 bronze badges
...
How to check iOS version?
I want to check if the iOS version of the device is greater than 3.1.3
I tried things like:
37 Answers
...
Using semicolon (;) vs plus (+) with exec in find
...ith an example. Let's say that find turns up these files:
file1
file2
file3
Using -exec with a semicolon (find . -exec ls '{}' \;), will execute
ls file1
ls file2
ls file3
But if you use a plus sign instead (find . -exec ls '{}' \+), as many filenames as possible are passed as arguments to ...
How do I find a stored procedure containing ?
... at this data.
– TMcManemy
Jan 28 '13 at 15:48
1
A million times what @PeteT said. This 4000 char...
How do I detect if Python is running as a 64-bit application? [duplicate]
...k with the windows registry. Depending on whether you're running python as 32-bit or 64-bit, the key value will be different. How do I detect if Python is running as a 64-bit application as opposed to a 32-bit application?
...
How do I safely pass objects, especially STL objects, to and from a DLL?
...undamental datatypes have the same sizes regardless of whether your app is 32-bit or 64-bit. However, since the size of a given datatype is enforced by the compiler, not by any standard (all the standard guarantees is that 1 == sizeof(char) <= sizeof(short) <= sizeof(int) <= sizeof(long) &l...
Python: How to get stdout after running os.system? [duplicate]
...
answered Sep 11 '13 at 11:24
Martijn Pieters♦Martijn Pieters
839k212212 gold badges32203220 silver badges28102810 bronze badges
...