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Why is the clone() method protected in java.lang.Object?
...oneable is now largely regarded as a mistake (citation below). I would normally want to be able to make implementations of an interface Cloneable but not necessarily make the interface Cloneable (similar to the use of Serializable). This cannot be done without reflection:
ISomething i = ...
if (i i...
Which are more performant, CTE or temporary tables?
...
Temp tables also allows for Indexes and even Statistics which are sometimes necessary, while a CTE does not.
– CodeCowboyOrg
Sep 4 '14 at 15:30
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Differences between MySQL and SQL Server [closed]
I'm an ASP.NET developer who has used Microsoft SQL Server for all my database needs (both at work and for personal projects).
...
Convert a PHP script into a stand-alone windows executable
I want to automate a fairly simple task. For this I have written a small PHP script which I run from the command line using PHP-CLI. Now I want to hand over this script to someone but I do not want to:
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How can I use tabs for indentation in IntelliJ IDEA?
...nvert tabs to spaces, you can chose "To Spaces" from the same place.
For all files
The paths in the other answers were changed a little:
File > Settings... > Editor > Code Style > Java > Tabs and Indents > Use tab character
File > Other Settings > Default Settings... &g...
NoSQL Use Case Scenarios or WHEN to use NoSQL [closed]
With all the hype it seems really hard to find reliable information on when to use this. So I pose the following questions, and I'm sorry if these are really dumb questions in advance:
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Enterprise Library Unity vs Other IoC Containers [closed]
...em have other features as well (some have AOP, and better gizmos, but generally all I want an IOC to do is create and retrieve objects for me)
Note: the differences between the different libraries object retrieval can be negated by using the CommonServiceLocator: http://www.codeplex.com/CommonServi...
Check if a String contains numbers Java
...ne could do this stuff but the engineers who invented it because it's basically a secret code that only the creators know until they share it.
– JamisonMan111
Jun 21 '18 at 5:47
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Is there a simple way to delete a list element by value?
...('b')
>>> print(a)
['a', 'c', 'd']
Mind that it does not remove all occurrences of your element. Use a list comprehension for that.
>>> a = [10, 20, 30, 40, 20, 30, 40, 20, 70, 20]
>>> a = [x for x in a if x != 20]
>>> print(a)
[10, 30, 40, 30, 40, 70]
...
What algorithms compute directions from point A to point B on a map?
...oughly half the work (2*pi*(r/2)^2 vs pi*r^2).
To avoid exploring the back-alleys of every city between your source and destination, you can have several layers of map data: A 'highways' layer that contains only highways, a 'secondary' layer that contains only secondary streets, and so forth. Then, ...