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Converting a generic list to a CSV string
...and would like to generate a string of comma delimited values. That is all items in the list output to a single comma delimted list.
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SQLAlchemy: cascade delete
... deleted for you by the database. It's fast and reliable and probably your best bet. You set this up in SqlAlchemy through ForeignKey like this (part of the child table definition):
parent_id = db.Column(db.Integer, db.ForeignKey('parent.id', ondelete='CASCADE'))
parent = db.relationship('Parent', b...
How to delete multiple files at once in Bash on Linux?
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A wild card would work nicely for this, although to be safe it would be best to make the use of the wild card as minimal as possible, so something along the lines of this:
rm -rf abc.log.2012-*
Although from the looks of it, are those just single files? The recursive option should not be neces...
How to get Visual Studio 'Publish' functionality to include files from post build event?
...and we discuss after that.
<Target Name="CustomCollectFiles">
<ItemGroup>
<_CustomFiles Include="..\Extra Files\**\*" />
<FilesForPackagingFromProject Include="%(_CustomFiles.Identity)">
<DestinationRelativePath>Extra Files\%(RecursiveDir)%(Filename)%...
ExpandableListView - hide indicator for groups with no children
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Try this >>>
for all items
getExpandableListView().setGroupIndicator(null);
In xml
android:groupIndicator="@null"
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How to add item to the beginning of List?
...
Use the Insert method:
ti.Insert(0, initialItem);
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Using Font Awesome icon for bullet points, with a single list item element
...espond properly to your font you'll notice a discrepancy on multiline list items.
– braks
Oct 28 '15 at 5:58
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Return all enumerables with yield return at once; without looping through
... that F# supports with yield! for a whole collection vs yield for a single item. (That can be very useful in terms of tail recursion...)
Unfortunately it's not supported in C#.
However, if you have several methods each returning an IEnumerable<ErrorInfo>, you can use Enumerable.Concat to mak...
Javascript Equivalent to C# LINQ Select
...erited properties
collection = $.grep(collection, function (item) {
return item[property] === filter[property];
});
}
return collection.slice(0); // copy the array
// (in case of empty objec...
Leaflet - How to find existing markers, and delete markers?
...w Array();
/*Some Coordinates (here simulating somehow json string)*/
var items = [{"lat":"51.000","lon":"13.000"},{"lat":"52.000","lon":"13.010"},{"lat":"52.000","lon":"13.020"}];
/*pushing items into array each by each and then add markers*/
function itemWrap() {
for(i=0;i<items.length;i++){
...