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What's the fastest way to loop through an array in JavaScript?
... is definitely a case where I applaud JavaScript engine developers. A runtime should be optimized for clarity, not cleverness.
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Why do some claim that Java's implementation of generics is bad?
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Bad:
Type information is lost at compile time, so at execution time you can't tell what type it's "meant" to be
Can't be used for value types (this is a biggie - in .NET a List<byte> really is backed by a byte[] for example, and no boxing is required)
Syntax for...
Difference between shadowing and overriding in C#?
What's difference between shadowing and overriding a method in C#?
6 Answers
6
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Closing WebSocket correctly (HTML5, Javascript)
...ocol spec v76 (which is the version that browser with current support implement):
To close the connection cleanly, a frame consisting of just a 0xFF byte
followed by a 0x00 byte is sent from one peer to ask that the other peer
close the connection.
If you are writing a server, you ...
Argparse: Way to include default values in '--help'?
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Use the argparse.ArgumentDefaultsHelpFormatter formatter:
parser = argparse.ArgumentParser(
# ... other options ...
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
To quote the documentation:
The other formatter class avail...
Why does this go into an infinite loop?
...s answer for purposes of illustration, since C# allows you to pass int parameters by reference with the ref keyword. I've decided to update it with actual legal Java code using the first MutableInt class I found on Google to sort of approximate what ref does in C#. I can't really tell if that helps ...
Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
...an app on Heroku with a Postgresql backend. Periodically, I get this error message when trying to access the database, both from the CLI and from loading a page on the server:
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What is the difference between `sorted(list)` vs `list.sort()`?
...you'll get the keys), generators, etc., returning a list containing all elements, sorted.
Use list.sort() when you want to mutate the list, sorted() when you want a new sorted object back. Use sorted() when you want to sort something that is an iterable, not a list yet.
For lists, list.sort() is f...
Why am I getting an Exception with the message “Invalid setup on a non-virtual (overridable in VB) m
I have a unit test where I have to mock a non-virtual method that returns a bool type
6 Answers
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Why is enum class preferred over plain enum?
I heard a few people recommending to use enum classes in C++ because of their type safety .
9 Answers
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