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getting date format m-d-Y H:i:s.u from milliseconds
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I generally opt for the second form as it's easier to read and understand. Additionally, DateTime is far more flexible and robust than the date/time functions. Handling microseconds is a case-in-point.
– Herbert
Jul 28 '13 at 16:09
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Why are variables “i” and “j” used for counters?
... for summation and matrix multiplication indices and what-not. I remember reading in an early Fortran II manual something about that. (Yes, Fortran II.)
– S.Lott
Nov 9 '10 at 19:51
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Practical uses for AtomicInteger
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As an atomic counter (incrementAndGet(), etc) that can be used by many threads concurrently
As a primitive that supports compare-and-swap instruction (compareAndSet()) to implement non-blocking algorithms.
Here is an example of non-blocking random number generator from Brian Göetz's Java Concur...
Default behavior of “git push” without a branch specified
...ngle branch after finishing work, even when the other branches are not yet ready to be pushed out
Command line examples:
To view the current configuration:
git config --global push.default
To set a new configuration:
git config --global push.default current
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When to use a View instead of a Table?
..." temporarily in another table for faster access. This is done to speed up read access when the view is complex. But that doesn't help you in your case because a materialized view is still a view, not data on its own. Your approach is probably OK.
– Lukas Eder
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mysqli or PDO - what are the pros and cons? [closed]
...ects, etc., however as representations of records which would otherwise be read-write assoc. arrays, this is acceptable. Furthermore it permits easier type checking as records float through the system.
– Dan Lugg
Jul 16 '11 at 0:50
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What is the Ruby (spaceship) operator?
...==, and between? methods for free.
class Card
include Comparable
attr_reader :value
def initialize(value)
@value = value
end
def <=> (other) #1 if self>other; 0 if self==other; -1 if self<other
self.value <=> other.value
end
end
a = Card.new(7)
b = Card.new...
Unable to Cast from Parent Class to Child Class
...Employee
Employee e = (Employee)p; // Casting allowed
Conclusion : After reading above all, hope it will make sense now like how parent to child conversion is possible(Case 3).
Answer To The Question :
Your answer is
in case 2.Where you can see such casting is not allowed by OOP and yo...
The best way to remove duplicate values from NSMutableArray in Objective-C?
...ed to make a copy of the entire array), and is in my opinion a little more readable.
Note that in either case, checking to see if an item is already included in the target array (using containsObject: in my example, or indexOfObject:inRange: in Jim's) doesn't scale well for large arrays. Those chec...
Convert PHP closing tag into comment
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Why use complicated, difficult to read "tricks" to work around the problem?
? is just a quantifier shortcut for convenience, so
Just use the long version of the quantifier {0,1}, means "minimum 0 maximum 1 occurrence":
$string = preg_replace('#<br\s*/{0...