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Java List.add() UnsupportedOperationException
...table or only allow some selected changes.
You can find out about this by reading the documentation of UnsupportedOperationException and List.add(), which documents this to be an "(optional operation)". The precise meaning of this phrase is explained at the top of the List documentation.
As a work...
Should arrays be used in C++?
...C++03 a vector "actually has" an array, which you can access by pointer to read or write. So that covers most cases of code that expects pointers to arrays. It's only really when that code allocates or frees the array that you can't use a vector.
– Steve Jessop
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scheduleAtFixedRate vs scheduleWithFixedDelay
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Try adding a Thread.sleep(1000); call within your run() method... Basically it's the difference between scheduling something based on when the previous execution ends and when it (logically) starts.
For example, suppose I schedule an alarm...
Unix command to find lines common in two files
...equivalent:
awk 'NR==FNR{arr[$0];next} $0 in arr' file1 file2
This will read all lines from file1 into the array arr[], and then check for each line in file2 if it already exists within the array (i.e. file1). The lines that are found will be printed in the order in which they appear in file2.
No...
Why do stacks typically grow downwards?
... would be to scan memory from the top until it found a location that would read back the same value written, so that it would know the actual RAM installed (e.g., a z80 with 64K address space didn't necessarily have 64K or RAM, in fact 64K would have been massive in my early days). Once it found the...
Difference between FetchType LAZY and EAGER in Java Persistence API?
... not possible, because by the time this method is called, the session is already closed and the entity detached. Similarly, sometimes we have a client/server architecture (e.g. Swing client/JEE server) and the entities/DTOs are transferred over the wire to the client and again most often in these sc...
Is there a foreach loop in Go?
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Thought the same when reading it, for { ... } stands for an infinite loop.
– Levite
Dec 22 '17 at 9:44
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In a .csproj file, what is for?
... process. An example is a text file that contains documentation, such as a Readme file.
Content - The file is not compiled, but is included in the Content output group. For example, this setting is the default value for an .htm or other kind of Web file.
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Get Android Phone Model programmatically
I would like to know if there is a way for reading the Phone Model programmatically in Android.
16 Answers
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Function overloading in Javascript - Best practices
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I'm surprised nobody has asked this already: why is checking arguments.length not recommended? Also, I've been here before and read What most developers do is..., but I'm sure this is the only place I've seen that done. That method also spoils the syntactic suga...