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How to make an AJAX call without jQuery?
...be more convenient than a 'simple' callback? Is this convenience worth the extra effort to transpile it for old browser support?
– lennyklb
Apr 24 '17 at 12:13
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Python - Count elements in list [duplicate]
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just do len(MyList)
This also works for strings, tuples, dict objects.
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Cleaner way to do a null check in C#? [duplicate]
... return visitor.IsNull;
}
}
class Program
{
static void Main(string[] args)
{
Person nullPerson = null;
var isNull_0 = nullPerson.IsNull(p => p.contact.address.city);
var isNull_1 = new Person().IsNull(p => p.contact.address.city);
var isNull_2...
How can I split and parse a string in Python?
I am trying to split this string in python: 2.7.0_bf4fda703454
3 Answers
3
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How to sort a list in Scala by two fields?
...: rows.sortBy(r => (r.lastName, r.firstName))( Ordering.Tuple2(Ordering.String.reverse, Ordering.String) ).
– senia
Jun 18 '14 at 10:16
5
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How do I search for an object by its ObjectId in the mongo console?
...d = '58c85d1b7932a14c7a0a320d';
let o_id = new ObjectId(id); // id as a string is passed
db.collection.findOne({"_id":o_id});
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What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?
...ast fails.
This doesn't happen with 41224d776a326fb40f000001 because that string is a valid ObjectId.
One way to resolve this is to add a check prior to your findById call to see if id is a valid ObjectId or not like so:
if (id.match(/^[0-9a-fA-F]{24}$/)) {
// Yes, it's a valid ObjectId, procee...
How to find a table having a specific column in postgresql
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Wildcard Support
Find the table schema and table name that contains the string you want to find.
select t.table_schema,
t.table_name
from information_schema.tables t
inner join information_schema.columns c on c.table_name = t.table_name
and c.table_schema =...
Get full path of the files in PowerShell
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Note that Select-Object returns PSCustomObject, not a string. It might not work if you use result as parameter for another program
– Chintsu
Aug 25 '15 at 20:08
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How do I compare two strings in Perl?
How do I compare two strings in Perl?
6 Answers
6
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