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Find the Smallest Integer Not in a List
...a single entry with a value greater than the number of entries that can be allocated into the array. If the question did not specify 'very long', the answer is elegant, even if it destroys the input. The time-space trade off is very apparent in this problem, and a O(N) solution may not be possible...
Best way to split string into lines
...
You could use Regex.Split:
string[] tokens = Regex.Split(input, @"\r?\n|\r");
Edit: added |\r to account for (older) Mac line terminators.
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Is there a way to 'pretty' print MongoDB shell output to a file?
...mp.txt but it gave me JavaScript execution failed: SyntaxError: Unexpected token ILLEGAL.
– Sheharyar
Dec 5 '13 at 6:39
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What does .class mean in Java?
...ray, or primitive type, or the pseudo-type void, followed by a '.' and the token class.
One of the changes in JDK 5.0 is that the class java.lang.Class is generic, java.lang.Class Class<T>, therefore:
Class<Print> p = Print.class;
References here:
https://docs.oracle.com/javase/7/do...
How do I best silence a warning about unused variables?
...e [[maybe_unused]] which is covered in [dcl.attr.unused]
The attribute-token maybe_unused indicates that a name or entity is possibly intentionally unused. It shall
appear at most once in each attribute-list and no attribute-argument-clause shall be present.
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Example:
[[maybe_unuse...
Best practices: throwing exceptions from properties
...t won't; it could easily be calling code that does. Even the simple act of allocating a new object (like a string) could result in exceptions. You should always write your code defensively and expect exceptions from anything you invoke.
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When should I use std::thread::detach?
...'s a situation when using detach would be a less evil alternative to, say, allocating thread object with dynamic storage duration and then purposely leaking it.
#include <LegacyApi.hpp>
#include <thread>
auto LegacyApiThreadEntry(void)
{
auto result{NastyBlockingFunction()};
//...
When creating a service with sc.exe how to pass in context parameters?
...ine interpreter must be expecting this and requiring the command to become tokenized by using space as the delimiter.
– mrswadge
Mar 20 '13 at 9:24
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Which terminal command to get just IP address and nothing else?
...egular expressions or otherwise we can't use the lookbehind (?<=inet\s) token. You can get a similar result by running grep -oe 'inet [0-9\.]\+' or grep -oe 'inet6 [0-9a-f:]\+' but this way I can't get rid of the first word. In SuSE man grep reports that -P flag is experimental.
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How to obtain the last path segment of a URI
...i;
Uri uri = Uri.parse("http://example.com/foo/bar/42?param=true");
String token = uri.getLastPathSegment();
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