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Knight's Shortest Path on Chessboard
...alculate all the distances
and save it to a 8x8 full matrix.
well, I would call that cheating,
and works only because the problem
is small. But sometimes competitions
will check how fast your program
runs.
The main point is that if you are preparing
for a programming competition, you must know
comm...
Can HTML be embedded inside PHP “if” statement?
......
END_OF_TEXT;
}
?>
END_OF_TEXT is your delimiter (it can be basically any text like EOF, EOT). Everything between is considered string by PHP as if it were in double quotes, so you can print variables, but you don't have to escape any quotes, so it very convenient for printing html attrib...
How to get a Docker container's IP address from the host
...{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' container_name_or_id
Old Docker client syntax is:
docker inspect --format '{{ .NetworkSettings.IPAddress }}' container_name_or_id
These commands will return the Docker container's IP address.
As mentioned in the comments: if you are on W...
Creating a copy of an object in C# [duplicate]
...ternal usage or open source I think it's ok. What they state is "Because callers of Clone cannot depend on the method performing a predictable cloning operation, we recommend that ICloneable not be implemented in public APIs."
– MetalGeorge
Mar 7 '18 at 20:01...
How do I iterate over a JSON structure? [duplicate]
... four:4, five:5 };
jQuery.each(arr, function() {
$("#" + this).text("My id is " + this + ".");
return (this != "four"); // will stop running to skip "five"
});
jQuery.each(obj, function(i, val) {
$("#" + i).append(document.createTextNode(" - " + val));
});
...
jQuery get selected option value (not the text, but the attribute 'value')
...he option.
$('select[name=selector] option').filter(':selected').val()
Side note: Using filter is better then using :selected selector directly in the first query.
If inside a change handler, you could use simply this.value to get the selected option value. See demo for more options.
//ways...
Create a custom event in Java
...
@GlassGhost: It was rejected because it was basically a total rewrite. Edits to someone else's answer are good if they fix typos and formatting and broken links and such, but they shouldn't radically change the content. (Some exceptions apply for posts marked "community w...
Select2 dropdown but allow new values by user?
...page) {
return {results: data.results};
},
"url": url
},
id: function(object) {
return object.text;
},
//Allow manually entered text in drop down.
createSearchChoice:function(term, data) {
if ( $(data).filter( function() {
return this.text.localeCompare(term)===...
T-SQL: Deleting all duplicate rows but keeping one [duplicate]
...
You didn't say what version you were using, but in SQL 2005 and above, you can use a common table expression with the OVER Clause. It goes a little something like this:
WITH cte AS (
SELECT[foo], [bar],
row_number() OVER...
How to persist a property of type List in JPA?
... String> {
private static final String SPLIT_CHAR = ";";
@Override
public String convertToDatabaseColumn(List<String> stringList) {
return String.join(SPLIT_CHAR, stringList);
}
@Override
public List<String> convertToEntityAttribute(String string) {
...