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Does List guarantee insertion order?
...ly the List could re-order the collection any time after an item was added and that statement would still be valid. I don't want to get nit-picky about it, but if a manager or QA really made me defend this position, I wouldn't feel very confident with just that quote.
– tehDorf...
How to get the contents of a webpage in a shell variable?
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Wget 1.14 version is not accepting convert_links = on with -O- option. It is failing with error -k can be used together with -O only if outputting to a regular file.. Is it expected?
– Prasad Bonthu
Jul 17 '18 at 14:40
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Javascript equivalent of Python's zip function
...utput.
As parseInt's second argument is the base/number radix, to which to convert the number to, and since map passes the index as the second argument to its argument-function, a wrapper function is used.
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Join vs. sub-query
... Yes, most databases therefore includes it as an optimization step to convert subqueries into joins when it is analyzing your query.
– Cine
May 28 '10 at 9:38
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Why is the Java main method static?
...ntire class - sometimes you have an instance that hasn't been initialized, and you have to check for it in every method that could be called.
There are just too many edge cases and ambiguities for it to make sense for the JVM to have to instantiate a class before the entry point is called. That's ...
How do I make JavaScript beep?
...mo
http://jsfiddle.net/7EAgz/
Conversion Tool
And here is where you can convert mp3 or wav files into Data URI format:
https://dopiaza.org/tools/datauri/index.php
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Which concurrent Queue implementation should I use in Java?
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Basically the difference between them are performance characteristics and blocking behavior.
Taking the easiest first, ArrayBlockingQueue is a queue of a fixed size. So if you set the size at 10, and attempt to insert an 11th element, the insert statement will block until another thread remove...
Are email addresses case sensitive?
...probably the best way to go, but I've seen code where the email address is converted to lower case prior to sending. That's not a good idea, since there is a small chance it will not get delivered. So how you treat it depends on what the consequences of error are and what you're doing with the email...
Why do we need a pure virtual destructor in C++?
I understand the need for a virtual destructor. But why do we need a pure virtual destructor? In one of the C++ articles, the author has mentioned that we use pure virtual destructor when we want to make a class abstract.
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Why use getters and setters/accessors?
What's the advantage of using getters and setters - that only get and set - instead of simply using public fields for those variables?
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