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What's the shortest code to cause a stack overflow? [closed]
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C#:
public int Foo { get { return Foo; } }
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edited Jun 22 '09 at 18:24
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How to convert linq results to HashSet or HashedSet
... pass your IEnumerable into the constructor for HashSet.
HashSet<T> foo = new HashSet<T>(from x in bar.Items select x);
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top -c command in linux to filter processes listed based on processname
...er on a column, e.g. to show rows where COMMAND column contains the string foo, write COMMAND=foo
If you just want some basic output this might be enough:
top -bc |grep name_of_process
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im...
initializer_list and move semantics
...ate just one version of the code in the context of the callee (i.e. inside foo it does not know anything about the arguments that the caller is passing in)
– David Rodríguez - dribeas
Nov 19 '11 at 10:34
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How to 'grep' a continuous stream?
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In most cases, you can tail -f /var/log/some.log |grep foo and it will work just fine.
If you need to use multiple greps on a running log file and you find that you get no output, you may need to stick the --line-buffered switch into your middle grep(s), like so:
tail -f /var/l...
Call a function after previous function is complete
...fire when expected. The example in my comment above shows that because the foo() function has asynchronous code in it, bar() does not fire it's content after foo()'s content is done executing, even using $.when().then() to call them one after the other. This answer is only valid if (and only if) all...
Check if a variable is of function type
...e are several ways so I will summarize them all
Best way is:
function foo(v) {if (v instanceof Function) {/* do something */} };
Most performant (no string comparison) and elegant solution - the instanceof operator has been supported in browsers for a very long time, so don't worry - it will ...
Java, List only subdirectories from a directory, not files
...ifying any depth limitation, it would give :
Path directory = Paths.get("/foo/bar");
try {
List<Path> directories =
Files.walk(directory)
.filter(Files::isDirectory)
.collect(Collectors.toList());
} catch (IOException e) {
// process exce...
C++ inheritance - inaccessible base?
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You have to do this:
class Bar : public Foo
{
// ...
}
The default inheritance type of a class in C++ is private, so any public and protected members from the base class are limited to private. struct inheritance on the other hand is public by default.
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HTTP test server accepting GET/POST requests
...ou can then submit data:
$ curl -d "[1,2,3]" -XPOST http://localhost:3000/foo/bar
which will be shown in the server's stdout:
POST /foo/bar
{ host: 'localhost:3000',
'user-agent': 'curl/7.54.1',
accept: '*/*',
'content-length': '7',
'content-type': 'application/x-www-form-urlencoded' }
B...