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How to replace multiple substrings of a string?
...eplaced with items()
Careful: Python dictionaries don't have a reliable order for iteration. This solution only solves your problem if:
order of replacements is irrelevant
it's ok for a replacement to change the results of previous replacements
For instance:
d = { "cat": "dog", "dog": "pig"...
Get size of all tables in database
...ped = 0
AND i.OBJECT_ID > 255
GROUP BY
t.Name, s.Name, p.Rows
ORDER BY
TotalSpaceMB DESC, t.Name
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Rails Object to hash
...tive => true
}
To go a bit further, you could override that method in order to customize the way your attributes appear, by doing something like this :
class Post < ActiveRecord::Base
def as_json(*args)
{
:name => "My name is '#{self.name}'",
:post_number => "Post ##...
php - get numeric index of associative array
...
Does PHP guarantee the order of an associative array?
– Kevin Burke
May 1 '12 at 21:50
7
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How to differentiate single click event and double click event?
...
The behavior of the dblclick event is explained at Quirksmode.
The order of events for a dblclick is:
mousedown
mouseup
click
mousedown
mouseup
click
dblclick
The one exception to this rule is (of course) Internet Explorer with their custom order of:
mousedown
mouseup
click
mouseup
dbl...
How do I assert an Iterable contains elements with a certain property?
...e(2)
.extracting(MyItem::getName)
.containsExactlyInAnyOrder("foo", "bar");
containsExactlyInAnyOrder() asserts that the list contains only these values whatever the order.
To assert that the list contains these values whatever the order but may also contain other values u...
How do malloc() and free() work?
...ust add it to a free list that calloc() and malloc() will consult later in order to reuse the released blocks.
Even if a free() wanted to return memory to the system, it would need at least one contiguous memory page in order to get the kernel to actually protect the region, so releasing a small bl...
Undefined, unspecified and implementation-defined behavior
... are described in this International Standard as unspecified (for example, order of evaluation of arguments to a function). Where possible, this International Standard defines a set of allowable behaviors. These define the nondeterministic aspects of the abstract machine.
Certain other operations ar...
How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
...
If you want to maintain order:
arr = arr.reverse().filter(function (e, i, arr) {
return arr.indexOf(e, i+1) === -1;
}).reverse();
Since there's no built-in reverse indexof, I reverse the array, filter out duplicates, then re-reverse it.
The ...
Performance surprise with “as” and nullable types
...estingly, I passed on feedback about operator support via dynamic being an order-of-magnitude slower for Nullable<T> (similar to this early test) - I suspect for very similar reasons.
Gotta love Nullable<T>. Another fun one is that even though the JIT spots (and removes) null for non-nu...