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How many constructor arguments is too many?
...va 2 say that in this case you should consider a builder. An example taken from the book:
public class NutritionFacts {
private final int servingSize;
private final int servings;
private final int calories;
private final int fat;
private final int sodium;
private fina...
In Javascript, how to conditionally add a member to an object?
... because it uses jQuery and this ternary condition won't remove a property from an object, this just would set a property as undefined. See @lagistos answer for the correct way to do this,
– Alexander Kim
Mar 13 at 4:55
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How do I declare class-level properties in Objective-C?
... by apple and also improves readability since returning/setting self.value from the getter/setter causes infinite recursion. In my opinion this is the right answer.
– Peter Segerblom
May 2 '14 at 12:14
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Should __init__() call the parent class's __init__()?
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If you need something from super's __init__ to be done in addition to what is being done in the current class's __init__, you must call it yourself, since that will not happen automatically. But if you don't need anything from super's __init__, n...
Why does PHP consider 0 to be equal to a string?
...n't believe me? <?php $i="e"; echo (int)$i; ?>).
To easily get away from this, use the triple equal (exact comparison) operator, which will check the type and will not implicitly typecast.
P.S: a PHP fun fact: a == b does not imply that b == a. Take your example and reverse it: if ("e" == $i...
What is a higher kinded type in Scala?
...a that supports anonymous type functions, you could shorten that last line from the examples to:
types (informally) String [x] => x [F[x]] => F[String]) // I repeat, this is not valid Scala, and might never be
(On a personal note, I regret ever having talked about "higher-kind...
How to check if a line is blank using regex
...
Well I am reading a file from Java, line by line, so I assume that this will be ok.
– Adnan
Jun 10 '10 at 8:42
1
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Return None if Dictionary key is not available
...ew empty dictionary
| dict(mapping) -> new dictionary initialized from a mapping object's
| (key, value) pairs
...
|
| get(...)
| D.get(k[,d]) -> D[k] if k in D, else d. d defaults to None.
|
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Case insensitive comparison NSString
... It is worth mentioning that in case when @"Some String" is received from any other call and happens to be nil, your if will give true as sending caseInsensitiveCompare to nil is valid and results in another nil which, in our case, compared with NSOrderedSame will return true (NSOrderedSame is...
How do you see recent SVN log entries?
...st everything in descending order:
svn log -r HEAD:1
To list everything from the thirteenth to the base of the currently checked-out revision in ascending order:
svn log -r 13:BASE
To get everything between the given dates:
svn log -r {2011-02-02}:{2011-02-03}
You can combine all the above ...