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Convert Decimal to Double
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A more generic answer for the generic question "Decimal vs Double?":
Decimal is for monetary calculations to preserve the precision. Double is for scientific calculations that do not get affected by small differences. Since Double is a type which is native to the CPU (internal rep...
Difference between break and continue in PHP?
...vel of the current nesting.
Also, see here for an artical detailing Break vs Continue with a number of examples
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Int or Number DataType for DataAnnotation validation attribute
... must be between {1} and {2}")] , the error message will work correctly. 0 vs 0.1 , makes no sense. bug maybe?
– Northstrider
Jul 31 '14 at 16:29
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What is the difference between a HashMap and a TreeMap? [duplicate]
...ntime complexity for inserting and searching, sorted
Taken from: HashMap vs. TreeMap
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how to get the host url using javascript from the current page
... you should always use concat. In example var a = 1 + 2 + " should be 12"; vs the concat version of this var a = "".concat(1).concat(2).concat(" should be 12");. Using concat will save you a lot of trouble + is for calculation, not concatenation.
– Eric Herlitz
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Get elements by attribute when querySelectorAll is not available without using libraries?
... Aye, +1 for querySelectorAll. A quick jsperf test jsperf.com/custom-vs-selectorall-attributes shows that it's much faster than the accepted answer... unfortunately it's not IE 7 compatible :(
– Sebastien Daniel
Apr 15 '15 at 19:19
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PHP global in functions
...'foo';
$arg2 = 'bar';
fn();
It's a matter of pulling in (global keyword) vs pushing in (arguments). When you push in/inject dependencies, the function does not rely on the outside anymore. When you do fn(1) you dont have to have a variable holding 1 somewhere outside. But when you pull in global $...
Find the similarity metric between two strings
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See this great answer comparing SequenceMatcher vs python-Levenshtein module. stackoverflow.com/questions/6690739/…
– ssoler
Feb 9 '15 at 13:06
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Is there a unique Android device ID?
...l as if the 'Pseudo ID' is the best possible option.
Main Issue: Hardware vs Software
Hardware
Users can change their hardware, Android tablet or phone, so unique IDs based on hardware are not good ideas for TRACKING USERS
For TRACKING HARDWARE, this is a great idea
Software
Users can wipe/c...
What does jquery $ actually return?
... that the objects in question are poorly named. "The jQuery Object", aka $ vs "a jQuery Object", aka a "wrapped set".
– Sean McMillan
Jul 6 '11 at 14:24
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