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Simple way to create matrix of random numbers
... numpy as np
>>> np.random.rand(2,3)
array([[ 0.22568268, 0.0053246 , 0.41282024],
[ 0.68824936, 0.68086462, 0.6854153 ]])
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Sorting an IList in C#
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54
How about using LINQ To Objects to sort for you?
Say you have a IList<Car>, and the car h...
Which is preferred: Nullable.HasValue or Nullable != null?
...
484
The compiler replaces null comparisons with a call to HasValue, so there is no real difference...
What is exactly the base pointer and stack pointer? To what do they point?
...in the function you may have code like (presuming both local variables are 4 bytes)
mov [ebp-4], eax ; Store eax in first local
mov ebx, [ebp - 8] ; Load ebx from second local
FPO or frame pointer omission optimization which you can enable will actually eliminate this and use ebp as another r...
Uses of Action delegate in C# [closed]
I was working with the Action Delegates in C# in the hope of learning more about them and thinking where they might be useful.
...
Type definition in object literal in TypeScript
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451
You're pretty close, you just need to replace the = with a :. You can use an object type liter...
FIND_IN_SET() vs IN()
... UNION ALL
SELECT 3 AS pos
UNION ALL
SELECT 4 AS pos
UNION ALL
SELECT 5 AS pos
) q
JOIN company
ON companyID = CAST(NULLIF(SUBSTRING_INDEX(attachedCompanyIDs, ',', -pos), SUBSTRING_INDEX(attachedCompanyIDs, ',', 1 - pos)) AS UNSIGNED)
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Accessing an SQLite Database in Swift
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145
While you should probably use one of the many SQLite wrappers, if you wanted to know how to cal...
No submodule mapping found in .gitmodule for a path that's not a submodule
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kenorb
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answered Nov 15 '10 at 14:58
VonCVonC
...
Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
...he given example :
<?php
$arr1 = array(2, 3);
$arr2 = $arr1;
$arr2[] = 4; // $arr2 is changed,
// $arr1 is still array(2, 3)
$arr3 = &$arr1;
$arr3[] = 4; // now $arr1 and $arr3 are the same
?>
For the first part, the best way to be sure is to try ;-)
Consider this exampl...