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How can I verify if one list is a subset of another?
...tion, however.
A list may contain items multiple times and has a specific order. A set does not. Additionally, sets only work on hashable objects.
Are you asking about subset or subsequence (which means you'll want a string search algorithm)? Will either of the lists be the same for many tests? W...
Multiline for WPF TextBox
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Also add surrounding ScrollVewer component in order to have scroll bar.
– Borko Djurovic
Jul 3 '15 at 21:17
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How to unmount a busy device
...One nuance, if you are logged in through FTP client, you have to logout in order to successfully unmount folder.
– Alexander Kim
Oct 22 '14 at 16:47
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Parse (split) a string in C++ using string delimiter (standard C++)
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In order to get "tiger", use std::string token = s.substr(s.find(delimiter) + 1);, if you are sure that it exists (I use +1 in the length)...
– gsamaras
Apr 2 '19 at 16:45
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Is Java Regex Thread Safe?
...pers
*/
public final class Validators {
private static final String EMAIL_PATTERN = "^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9-]+(\\.[A-Za-z0-9-]+)*(\\.[A-Za-z]{2,})$";
private static Pattern email_pattern;
static {
email_pattern = Pattern.compile(EMAIL_PATTERN);
}
/**
* Check...
Is ASCII code 7-bit or 8-bit?
...haracter Codes, 1874-1968" (samizdat copy at http://falsedoor.com/doc/ascii_evolution-of-character-codes.pdf) and then chase its references (many of which are not available online and may be hard to find even with access to a university library, I regret to say).
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What is the advantage of using abstract classes instead of traits?
...lasses could be used for that. See constraining class linearization (mixin order) in Scala.
Edit 2 (2018):
As of Scala 2.12, trait's binary compatibility behavior has changed. Prior to 2.12, adding or removing a member to the trait required recompilation of all classes that inherit the trait, even...
Returning IEnumerable vs. IQueryable
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This is very useful information in order to understand the difference, but the top answer is more accurate as the question was "when should one be preferred over the other?", and not "what is the difference?".
– Scopperloit
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How do I *really* justify a horizontal menu in HTML+CSS?
...ge the justify-content property to either space-between or space-around in order to add space between or around the children flexbox items.
Using justify-content: space-between - (example here):
ul {
list-style: none;
padding: 0;
margin: 0;
}
.menu {
display: flex;
j...
How many database indexes is too many?
... parse... consider a SQL with more than a few tables, say 7 or 8, the join order choice alone could generate hundreds of possible access paths.
– Stephanie Page
May 31 '13 at 20:04
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