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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?
...y let you perform the same operations on multiple pieces of data.
Example 3 fails because NumPy arrays (of length > 1) have no truth value as this prevents vector-based logic confusion.
Example 4 is simply a vectorized bit and operation.
Bottom Line
If you are not dealing with arrays and are...
Laravel Eloquent: How to get only certain columns from joined tables
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Change your model to specify what columns you want selected:
public function user() {
return ...
What Vim command(s) can be used to quote/unquote words?
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edited Jan 27 '10 at 15:30
answered Jan 27 '10 at 15:21
j...
How to directly initialize a HashMap (in a literal way)?
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answered Jul 23 '11 at 18:44
yankeeyankee
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Why is the .bss segment required?
...undinLundin
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jQuery event handlers always execute in order they were bound - any way around this? [duplicate]
...on() { alert("2"); });
$("#me").bindFirst('click', function() { alert("3"); });
$("#me").click(); // alerts - 3, then 1, then 2
However, since .data('events') is not part of their public API as far as I know, an update to jQuery could break your code if the underlying representation of attach...
What's the best way to share data between activities?
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edited Jan 31 at 3:01
jcall057
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answered Feb 2 '11 at 18:21
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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?
...s is rather a common pitfall and the quirk is rarely described outside of w3 docos
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How do I remove a single file from the staging area (undo git add)?
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1937
If I understand the question correctly, you simply want to "undo" the git add that was done for...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
...ct consistently with one another (except in a special case).
var a = [1,2,3];
var b = [1,2,3];
var c = { x: 1, y: 2 };
var d = { x: 1, y: 2 };
var e = "text";
var f = "te" + "xt";
a == b // false
a === b // false
c == d // false
c === d // false
e == f...