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Interfaces vs. abstract classes [duplicate]
...ementations of methods
Added invariant checking to functions
Have slightly more control in how the "interface" methods are called
Ability to provide behavior related or unrelated to the interface for "free"
Interfaces are merely data passing contracts and do not have these features. However, they ...
What is the proper way to re-throw an exception in C#? [duplicate]
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Couldn't agree more. It's truly surprising how many developers with 5+ years experience who don't truly understand exception handling best practices. I can't explain how much I want to poke my eyes out when I see try/catches that either s...
How is Docker different from a virtual machine?
...ts own set of resources allocated to it, and does minimal sharing. You get more isolation, but it is much heavier (requires more resources). With Docker you get less isolation, but the containers are lightweight (require fewer resources). So you could easily run thousands of containers on a host, an...
What is normalized UTF-8 all about?
...ut. This is the faster normalization form to calculate, but the results in more code points (i.e. uses more space).
If you just want to compare two strings that are not already normalized, this is the preferred normalization form unless you know you need compatibility normalization.
NFC
NFC recombin...
Can someone explain in simple terms to me what a directed acyclic graph is?
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How to Truncate a string in PHP to the word closest to a certain number of characters?
...hy article or a short sentence or two; but for this widget I can't display more than, say, 200 characters. I could use substr() to chop off the text at 200 chars, but the result would be cutting off in the middle of words-- what I really want is to chop the text at the end of the last word before...
SQL join: selecting the last records in a one-to-many relationship
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this solution works only, if there are more than 1 purchase records. ist there is 1:1 link, it does NOT work. there it has to be "WHERE (p2.id IS NULL or p1.id=p2.id)
– Bruno Jennrich
Jul 23 '17 at 19:22
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What is an example of the Liskov Substitution Principle?
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Copying PostgreSQL database to another server
...s to copy from local to remote and the second one is from remote to local. More -> https://www.postgresql.org/docs/9.6/app-pgdump.html
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How can I scan barcodes on iOS?
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I believe more has been ported to C++, but the port is still a rough and outdated echo of the Java code unfortunately. So, yes more is supported though perhaps not well.
– Sean Owen
May 17 '11 at ...