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Unique (non-repeating) random numbers in O(1)?
... = n, max starts off at 10:
+--+--+--+--+--+--+--+--+--+--+--+
| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9|10|
+--+--+--+--+--+--+--+--+--+--+--+
^
max
At each iteration, a random number r is selected between 0 and max, array[r] and array[max]...
Why can't I assign a *Struct to an *Interface?
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Nov 22 '12 at 11:31
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How to remove a lua table entry by its key?
...
83
No, setting the key's value to nil is the accepted way of removing an item in the hashmap portio...
How to remove extension from string (only real extension!)
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Try this one:
$withoutExt = preg_replace('/\\.[^.\\s]{3,4}$/', '', $filename);
So, this matches a dot followed by three or four characters which are not a dot or a space. The "3 or 4" rule should probably be relaxed, since there are plenty of file extensions which are shorter ...
Difference between Repository and Service Layer?
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330
Repository Layer gives you additional level of abstraction over data access. Instead of writin...
How do I create a pylintrc file
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136
You may put it in:
/etc/pylintrc for default global configuration
~/.pylintrc for default use...
Android: How to Programmatically set the size of a Layout
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394
Java
This should work:
// Gets linearlayout
LinearLayout layout = findViewById(R.id.numberPa...
Does static constexpr variable inside a function make sense?
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edited Sep 8 '18 at 11:36
user5534993
1731313 bronze badges
answered Dec 13 '12 at 20:12
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Update git commit author date when amending
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376
You can change the author date with the --date parameter to git commit. So, if you want to am...
MySQL: Invalid use of group function
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edited Nov 21 '18 at 8:34
Backrub32
7711010 silver badges3131 bronze badges
answered Feb 25 '10 at 0:...