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Can hash tables really be O(1)?
It seems to be common knowledge that hash tables can achieve O(1), but that has never made sense to me. Can someone please explain it? Here are two situations that come to mind:
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insert vs emplace vs operator[] in c++ map
...ou be able to use this call? v.emplace(v.end(), 10, 10); ...or would you now need to use: v.emplace(v.end(), foo(10, 10) ); ?
– Kaitain
Dec 18 '15 at 15:50
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How can I search Git branches for a file or directory?
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This works if you know the exact path to somefile: if you need regex search over the path/filename, for example, then you can use ididak's answer.
– ShreevatsaR
Feb 27 '12 at 9:05
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How to change tab size on GitHub?
...ives some more information about the embedded IDE.
However, provided you know the url of the blob (file) you're willing to review, you can switch to the edit mode easily by changing the blob segment with an edit segment and use the dropdown to select your prefered tab size.
Standard view: https...
Detecting Unsaved Changes
...he form with the users previous entries - without firing the change-event. Now the form will be dirty, but the flag won't be set unless the user makes another edit.
– Oskar Berggren
Aug 31 '14 at 16:05
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How to run JUnit test cases from the command line
...nix) and here (Java 8, Windows). Apparently wildcards in the classpath are now supported.
– David Tonhofer
Aug 8 '15 at 16:54
1
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Missing return statement in a non-void method compiles
...id method is missing a return statement and the code still compiles.
I know that the statements after the while loop are unreachable (dead code) and would never be executed. But why doesn't the compiler even warn about returning something? Or why would a language allow us to have a non-void met...
Is there a splice method for strings?
...the two and a couple other methods. (jsperf has been down for a few months now. Please suggest alternatives in comments.)
Although the code above implements functions that reproduce the general functionality of splice, optimizing the code for the case presented by the asker (that is, adding nothing...
How can I mock requests and the response?
... # Same as above
class MyGreatClassTestCase(unittest.TestCase):
# Now we must patch 'my.great.package.requests.get'
@mock.patch('my.great.package.requests.get', side_effect=mocked_requests_get)
def test_fetch(self, mock_get):
# Same as above
if __name__ == '__main__':
u...
Multiple Inheritance in PHP
...patcher that sends the Message passed using text or html backend. I don't know your code, but let me simulate it this way:
$m = new Message();
$m->type = 'text/html';
$m->from = 'John Doe <jdoe@yahoo.com>';
$m->to = 'Random Hacker <rh@gmail.com>';
$m->subject = 'Invitation e...