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What exactly do “IB” and “UB” mean?
...ns fly out of your nose.
Using undefined behaviour is nearly always a bad idea. Even if it seems to work sometimes, any change to environment, compiler or platform can randomly break your code.
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What arguments are passed into AsyncTask?
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Google's Android Documentation Says that :
An asynchronous task is defined by 3 generic types, called Params, Progress and Result, and 4 steps, called onPreExecute, doInBackground, onProgressUpdate and onPostExecute.
AsyncTask's generic ...
What are the disadvantages to declaring Scala case classes?
...t the good bits:
Everything immutable by default
Yes, and can even be overridden (using var) if you need it
Getters automatically defined
Possible in any class by prefixing params with val
Decent toString() implementation
Yes, very useful, but doable by hand on any class if necessary
Compliant equal...
Is it possible to make a type only movable and not copyable?
...he type doesn't have a Drop implementation.
To answer the question you didn't ask... "what's up with moves and copy?":
Firstly I'll define two different "copies":
a byte copy, which is just shallowly copying an object byte-by-byte, not following pointers, e.g. if you have (&usize, u64), it...
How do I associate file types with an iPhone application?
... </array>
</dict>
</array>
Two images are provided that will be used as icons for the supported types in Mail and other applications capable of showing documents. The LSItemContentTypes key lets you provide an array of Uniform Type Identifiers (UTIs) that your applicati...
Shell equality operators (=, ==, -eq)
... ]; echo "$?" # wrong
-bash: [: foo: integer expression expected
2
(Side note: Quote those variable expansions! Do not leave out the double quotes above.)
If you're writing a #!/bin/bash script then I recommend using [[ instead. The doubled form has more features, more natural syntax, and few...
Why can't I use Docker CMD multiple times to run multiple services?
...XPOSE, but contrary to e.g. RUN and ADD. By this, I mean that you can override it later, in an extending Dockerfile, or simple in your run command, which is what you are experiencing. At all times, there can be only one CMD.
If you want to run multiple services, I indeed would use supervisor. You c...
What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?
...Pad, so can't test them in 1.9, but some of those gotchas are no longer valid in recent ruby versions, right?
– Denis de Bernardy
Jun 22 '11 at 18:59
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Scala: List[Future] to Future[List] disregarding failed futures
...collect{ case Success(x) => x} instead of _.filter(_.isSuccess) to get rid of Try in type of futureListOfSuccesses.
– senia
Jan 2 '14 at 6:35
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What are the mechanics of short string optimization in libc++?
...have a sizeof 3 words on all architectures, where sizeof(word) == sizeof(void*). You have correctly dissected the long/short flag, and the size field in the short form.
what value would __min_cap, the capacity of short strings, take for different architectures?
In the short form, there are 3 ...