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What is the difference between Collection and List in Java?
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268
First off: a List is a Collection. It is a specialized Collection, however.
A Collection is jus...
The first day of the current month in php using date_modify as DateTime object
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edited Mar 18 '15 at 18:15
answered Jan 19 '10 at 16:23
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Should a retrieval method return 'null' or throw an exception when it can't produce the return value
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487
If you are always expecting to find a value then throw the exception if it is missing. The exc...
Use of “instanceof” in Java [duplicate]
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382
Basically, you check if an object is an instance of a specific class.
You normally use it, when...
Number.sign() in javascript
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78
More elegant version of fast solution:
var sign = number?number<0?-1:1:0
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Why do x86-64 systems have only a 48 bit virtual address space?
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Because that's all that's needed. 48 bits give you an address space of 256 terabyte. That's a lot. You're not going to see a system which needs more than that any time soon.
So CPU manufacturers took a shortcut. They use an instruction set which allows a full...
Twitter Bootstrap vs jQuery UI? [closed]
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edited Nov 6 '14 at 20:58
Preston Bernstein
333 bronze badges
answered Mar 20 '12 at 7:31
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How to call Stored Procedure in Entity Framework 6 (Code-First)?
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edited Oct 24 '18 at 11:06
Lankymart
13.9k55 gold badges6060 silver badges145145 bronze badges
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Evenly distributing n points on a sphere
...5) / ny
lat = 180 * asin(2*((y+0.5)/ny-0.5))
print lon,lat
> python2.7 ll.py
45....
How do I check if a string contains a specific word?
...e can't use simpler constructs like !strpos($a, 'are').
Edit:
Now with PHP 8 you can do this:
if (str_contains('How are you', 'are')) {
echo 'true';
}
RFC
str_contains
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