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The performance impact of using instanceof in Java
...y "slow" operations, including instanceof, exception handling, reflection, etc.
As Donald Knuth wrote, "We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil." The performance of instanceof probably won't be an issue, so don't waste you...
Adding a UILabel to a UIToolbar
...le your label appropriately (label.backgroundColor = [UIColor clearColor], etc). You can also init a UIBarButtonItem to be styled Plain which will give you a similar look
– wisequark
Dec 2 '08 at 18:27
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Iterate through a HashMap [duplicate]
...rk for any map implementation (HashMap, TreeMap, LinkedHashMap, Hashtable, etc.)
Method #1: Iterating over entries using a For-Each loop.
This is the most common method and is preferable in most cases. It should be used if you need both map keys and values in the loop.
Map<Integer, Integer>...
Gradle: How to Display Test Results in the Console in Real Time?
... am looking for is to see the logging / reporting / system outs / printlns etc.. as tests are running. think about executing tests with maven or just in IntelliJ / Eclipse: the output is produced in real time.
– tolitius
Nov 28 '10 at 5:12
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Idiomatic way to wait for multiple callbacks in Node.js
...various flow-control patterns, i.e. series, parallel, batch, while, until, etc.
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How to get the name of enumeration value in Swift?
...ring { switch self { case .AuthorizedAlways: return "AuthorizedAlways" <etc> } } } - once you've done this, it should work as you'd expect: print("Auth status: (\status))".
– Jeffro
Apr 27 '16 at 19:41
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Method names for getting data [closed]
...u are
loading from an external source,
like a file or db.
I would not use
fetch/retrieve because they are too vague and get conflated with get and there is no unambiguous semantic associated with the terms.
Example: fetch implies that some entity needs to go and get something that is remote and bri...
How to create directories recursively in ruby?
...it with the Ruby standard library to get error handling, check the result, etc.
– noraj
Oct 7 '19 at 21:31
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Set custom attribute using JavaScript
...ta attributes - e.g. OP should have used data-icon, data-url, data-target, etc.
In any event, it turns out that the way you set these attributes via JavaScript is the same for both cases. Use:
ele.setAttribute(attributeName, value);
to change the given attribute attributeName to value for the DO...
What is the difference between dynamic and static polymorphism in Java?
... document type
classes deriving from it. E.g. XMLDocument , WordDocument , etc.
Document class will define ‘ Serialize() ’ and ‘ De-serialize() ’
methods as virtual and each derived class will implement these
methods in its own way based on the actual contents of the documents.
When differen...