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Safe (bounds-checked) array lookup in Swift, through optional bindings?
... return indices.contains(index) ? self[index] : nil
}
}
Swift 3.0 and 3.1
extension Collection where Indices.Iterator.Element == Index {
/// Returns the element at the specified index if it is within bounds, otherwise nil.
subscript (safe index: Index) -> Generator.Element? {...
How to use DbContext.Database.SqlQuery(sql, params) with stored procedure? EF Code First C
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What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?
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answered Mar 19 '11 at 10:40
axtavtaxtavt
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How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP
... Pedro WerneckPedro Werneck
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StringBuilder vs String concatenation in toString() in Java
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answered Oct 7 '09 at 15:51
Michael BorgwardtMichael Borgwardt
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How to create a tag with Javascript?
...red; }',
head = document.head || document.getElementsByTagName('head')[0],
style = document.createElement('style');
head.appendChild(style);
style.type = 'text/css';
if (style.styleSheet){
// This is required for IE8 and below.
style.styleSheet.cssText = css;
} else {
style.appendChi...
How much overhead does SSL impose?
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edited May 23 '17 at 12:10
Community♦
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answered Feb 13 '09 at 23:05
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Entity Framework 4 - AddObject vs Attach
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edited Oct 13 '10 at 1:53
answered Oct 13 '10 at 1:27
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What method in the String class returns only the first N characters?
...f (string.IsNullOrEmpty(str))
return str;
return str.Substring(0, Math.Min(str.Length, maxLength));
}
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How to define object in array in Mongoose schema correctly with 2d geo index
...ching criteria goes here'},
{
$push : {
trk : {
"lat": 50.3293714,
"lng": 6.9389939
} //inserted data is the object to be inserted
}
});
or you can set the Array of object by
db.update ({'seraching criteria goes here ' },
{
$set : {
trk : ...