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What's the difference between HEAD^ and HEAD~ in Git?
...e warnings;
use subs qw/ postorder /;
use File::Temp qw/ mkdtemp /;
my %sha1;
my %parents = (
A => [ qw/ B C / ],
B => [ qw/ D E F / ],
C => [ qw/ F / ],
D => [ qw/ G H / ],
F => [ qw/ I J / ],
);
sub po...
How to list variables declared in script in bash?
...
Douglas LeederDouglas Leeder
47.7k88 gold badges8484 silver badges127127 bronze badges
...
How to do an INNER JOIN on multiple columns
...
something like....
SELECT f.*
,a1.city as from
,a2.city as to
FROM flights f
INNER JOIN airports a1
ON f.fairport = a1. code
INNER JOIN airports a2
ON f.tairport = a2. code
...
Is int[] a reference type or a value type?
...nt) are reference types in C#.
http://msdn.microsoft.com/en-us/library/aa288453(VS.71).aspx:
In C#, arrays are actually objects. System.Array is the abstract base type of all array types.
share
|
...
How to easily truncate an array with JavaScript?
...
Jonathan MJonathan M
15.7k88 gold badges4545 silver badges8383 bronze badges
...
What does template mean?
.../ Use N as the size of the array
};
int main()
{
MyArray<2> a1;
MyArray<2> a2;
MyArray<4> b1;
a1 = a2; // OK The arrays are the same size.
a1 = b1; // FAIL because the size of the array is part of the
// template and thus the ...
Matplotlib different size subplots
...
metakermit
15.1k88 gold badges7171 silver badges9191 bronze badges
answered May 2 '12 at 9:53
bmubmu
...
Numpy matrix to array
...
John Conde
202k8888 gold badges405405 silver badges453453 bronze badges
answered Oct 27 '12 at 17:09
mvumvu
...
Can I replace groups in Java regex?
...gs) {
// replace with "%" what was matched by group 1
// input: aaa123ccc
// output: %123ccc
System.out.println(replaceGroup("([a-z]+)([0-9]+)([a-z]+)", "aaa123ccc", 1, "%"));
// replace with "!!!" what was matched the 4th time by the group 2
// input: a1b2c3d4e5
// out...
SQL JOIN and different types of JOINs
...n A.Pk <= B.Fk;
1.4: INNER-JOIN with SELF-JOIN
Select *
FROM Table1 A1 INNER JOIN Table1 A2 On A1.Pk = A2.Fk;
2.1: OUTER JOIN (full outer join)
Select *
FROM Table1 A FULL OUTER JOIN Table2 B On A.Pk = B.Fk;
2.2: LEFT JOIN
Select *
FROM Table1 A LEFT OUTER JOIN Table2 B On A.Pk = B.F...