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How can I verify if one list is a subset of another?
...s.
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? What are the datatypes contained in the list? And for that matter, does it need to be a list?
Your other post intersect a dict and list made the...
SQL/mysql - Select distinct/UNIQUE but return all columns?
...y applicable to numeric values, but also compare the alphabetical order of string values.
SELECT country, MAX(city) FROM locations
GROUP BY country
will result in:
--country-- --city--
France Paris
Poland Krakow
Italy Milano
or:
SELECT country, MIN(city) FROM locations
GROU...
How to change the href for a hyperlink using jQuery
.../www.live.com/')
This will find links where the href exactly matches the string http://www.google.com/. A more involved task might be matching, then updating only part of the href:
$("a[href^='http://stackoverflow.com']")
.each(function()
{
this.href = this.href.replace(/^http:\/\/be...
How to solve “Fatal error: Class 'MySQLi' not found”?
I am doing a tutorial and am getting this error:
22 Answers
22
...
Shrink a YouTube video to responsive width
..." height="9")
Waits until document is ready before resizing
Uses jQuery substring *= selector instead of start of string ^=
Gets reference width from video iframe parent instead of predefined element
Javascript solution
No CSS
No wrapper needed
Thanks to @Dampas for starting point.
https://stackov...
“unary operator expected” error in Bash if condition
...rely on
if [[ $aug1 == "and" ]];
to compare the value of $aug1 with the string and.
If you use [ ... ], you always need to remember to double quote variables like this:
if [ "$aug1" = "and" ];
If you don't quote the variable expansion and the variable is undefined or empty, it vanishes from t...
How to tag an older commit in Git?
...ommit'
git push --tags origin master
where tag is set to the desired tag string, and commit to the commit hash.
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Difference between java.lang.RuntimeException and java.lang.Exception
...ception
class MyException extends Exception {
public MyException(final String message) {
super(message);
}
}
public class Process {
public void execute() {
throw new RuntimeException("Runtime");
}
public void process() throws MyException {
throw new MyE...
Android; Check if file exists without creating a new one
... This is like that because there is no static method : File.exists(String file) , so you have to instanciate a new File object to access 'Exists' method.
– Giova
Oct 13 '14 at 3:12
...
How to reuse an ostringstream?
I'd like to clear out and reuse an ostringstream (and the underlying buffer) so that my app doesn't have to do as many allocations. How do I reset the object to its initial state?
...
