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Why is Linux called a monolithic kernel?
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A monolithic kernel is a kernel where all services (file system, VFS, device drivers, etc) as well as core functionality (scheduling, memory allocation, etc.) are a tight knit group sharing the same space. This directly opposes a microkernel.
A microkernel prefe...
implements Closeable or implements AutoCloseable
...ources which needs to be closed.
In your implementation, it is enough to call pw.close(). You should do this in a finally block:
PrintWriter pw = null;
try {
File file = new File("C:\\test.txt");
pw = new PrintWriter(file);
} catch (IOException e) {
System.out.println("bad things happen")...
What are -moz- and -webkit-? [duplicate]
..., Safari; -moz for Firefox, -o for Opera, -ms for Internet Explorer). Typically they're used to implement new, or proprietary CSS features, prior to final clarification/definition by the W3.
This allows properties to be set specific to each individual browser/rendering engine in order for inconsist...
Java 8 Distinct by property
...ey(Person::getName))
Note that if the stream is ordered and is run in parallel, this will preserve an arbitrary element from among the duplicates, instead of the first one, as distinct() does.
(This is essentially the same as my answer to this question: Java Lambda Stream Distinct() on arbitrary ...
Difference between SPI and API?
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The API is the description of classes/interfaces/methods/... that you call and use to achieve a goal, and
the SPI is the description of classes/interfaces/methods/... that you extend and implement to achieve a goal.
Put differently, the API tells you what a specific class/method does for you, ...
Python: Check if one dictionary is a subset of another larger dictionary
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Convert to item pairs and check for containment.
all(item in superset.items() for item in subset.items())
Optimization is left as an exercise for the reader.
share
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impr...
Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?
...r various reasons. During compilation of your project, each .cpp file (usually) is compiled. In simple terms, this means the compiler will take your .cpp file, open any files #included by it, concatenate them all into one massive text file, and then perform syntax analysis and finally it will conv...
Java executors: how to be notified, without blocking, when a task completes?
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Define a callback interface to receive whatever parameters you want to pass along in the completion notification. Then invoke it at the end of the task.
You could even write a general wrapper for Runnable tasks, and submit these to E...
How to pass parameters correctly?
... Are there any best practices of how to send parameters in C++ because I really find it, let's say, not trivial
If your function needs to modify the original object being passed, so that after the call returns, modifications to that object will be visible to the caller, then you should pass by lva...
What is the cleanest way to ssh and run multiple commands in Bash?
... I also get this output to my local: Pseudo-terminal will not be allocated because stdin is not a terminal.
– Globalz
Nov 5 '12 at 22:53
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