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How to Update Multiple Array Elements in mongodb
...n the search result to just those that match the conditions for the update selection:
db.collection.aggregate([
{ "$match": { "events.handled": 1 } },
{ "$project": {
"events": {
"$setDifference": [
{ "$map": {
"input": "$events",
...
Creating a textarea with auto-resize
... observe(text, 'keydown', delayedResize);
text.focus();
text.select();
resize();
}
textarea {
border: 0 none white;
overflow: hidden;
padding: 0;
outline: none;
background-color: #D0D0D0;
}
<body onload="init();">
<textarea rows="1" style="he...
Sorting an IList in C#
...rty, I believe you could sort as follows:
from c in list
orderby c.Engine
select c;
Edit: You do need to be quick to get answers in here. As I presented a slightly different syntax to the other answers, I will leave my answer - however, the other answers presented are equally valid.
...
Can I stretch text using CSS?
... This is great, but unfortunately it doesn’t work with a pseudoselector such as ::first-letter.
– Simone
Dec 14 '18 at 17:07
|
s...
List vs Set vs Bag in NHibernate
...nothing is pulled from the database differently depending on which ADT you select here, it is what you want to use it for that should make you choose the different ADT.
Personally, I use Sets for most things as I generally require child objects to be unique and ordering is not an issue. Though I w...
What is the main difference between PATCH and PUT request?
...es.
http patch method is like a UPDATE query in SQL which sets or updates selected columns only and not the whole row.
Example: You could use PATCH method to update order status.
PATCH /api/users/40450236/order/10234557
Request Body: {status: 'Delivered'}
...
What is this Javascript “require”?
...th) {
res.send({});
} else {
var query = client.query('SELECT * FROM BEATLES WHERE name =\''+name+'\' LIMIT 1');
var data = {};
query.on('row', function(row) {
data = row;
res.send(data);
});
};
});
app.listen(80, '127.0.0.1');
...
How to use sed to replace only the first occurrence in a file?
... then only looked for starting on the next line. Therefore, both lines are selected in this case, and the s/foo/bar/ substitution is performed on both of them.
sed '1,/foo/ s//bar/' <<<$'1foo\n2foo\n3foo' fails: with sed: first RE may not be empty (BSD/macOS) and sed: -e expression #1, char...
How much space can your BitBucket account have?
... actually mean? What's the alternative - gitignore the PDF directories and selectively rsync them? Sounds like a lot more hassle than just including the PDFs in the repository. And "Use SVG instead of PDF" is just not a sensible suggestion.
– Bobby Jack
Sep 6 '...
Design Patterns: Factory vs Factory method vs Abstract Factory
...vide hotels or / and provide tourist attraction packages. Now, when a user selects next, the website needs to decide what objects it needs to create. Should it only create the travel or hotel object too.
Now, if you envision adding another website to your portfolio, and you believe that the same co...