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Improving bulk insert performance in Entity framework [duplicate]
...ere is opportunity for several improvements (if you are using DbContext):
Set:
yourContext.Configuration.AutoDetectChangesEnabled = false;
yourContext.Configuration.ValidateOnSaveEnabled = false;
Do SaveChanges() in packages of 100 inserts... or you can try with packages of 1000 items and see th...
Sort a list by multiple attributes?
...ibutes.
Note the un-lambda-like, though hackish use of a lambda to call a setter.
The rank part won't work for an array of lists, but the sort will.
#First, here's a pure list version
my_sortLambdaLst = [lambda x,y:cmp(x[0], y[0]), lambda x,y:cmp(x[1], y[1])]
def multi_attribute_sort(x,y):
r...
How do I use WPF bindings with RelativeSource?
...
The default attribute of RelativeSource is the Mode property. A complete set of valid values is given here (from MSDN):
PreviousData Allows you to bind the previous data item (not that control that contains the data item) in the list of data items being displayed.
TemplatedParent Refers to the e...
How to write WinForms code that auto-scales to system font and dpi settings?
...ot of comments out there that say "WinForms doesn't auto-scale to DPI/font settings well; switch to WPF." However, I think that is based on .NET 1.1; it appears they actually did a pretty good job of implementing auto-scaling in .NET 2.0. At least based on our research and testing so far. However, i...
RSpec: describe, context, feature, scenario?
...tandable by using both of them.
The purpose of “describe” is to wrap a set of tests against one functionality while “context” is to wrap a set of tests against one functionality under the same state.
So, relying on this principle, you'd write a spec like this:
#
# The feature/behaviour I'm ...
How do I resize a Google Map with JavaScript after it has loaded?
I have a 'mapwrap' div set to 400px x 400px and inside that I have a Google 'map' set to 100% x 100%. So the map loads at 400 x 400px, then with JavaScript I resize the 'mapwrap' to 100% x 100% of the screen - the google map resizes to the whole screen as I expected but tiles start disappearing befo...
How to set different label for launcher rather than activity title?
... parent component (either Activity or Application). So using this, you can set a label for the launcher icon, while still having the Activity with it's own title.
Note that, while this works on emulators, it might not work on real devices, because it depends on the launcher implementation that is u...
Styling Google Maps InfoWindow
...x.
* @param {Object} opts Passes configuration options - content,
* offsetVertical, offsetHorizontal, className, height, width
*/
function InfoBox(opts) {
google.maps.OverlayView.call(this);
this.latlng_ = opts.latlng;
this.map_ = opts.map;
this.offsetVertical_ = -195;
this.offsetHori...
What are the Web.Debug.config and Web.Release.Config files for?
...attached to it? Are these files used to specify debug and release specific settings, so you don't clutter up the main Web.config?
...
Serializing a list to JSON
...public class MyObjectInJson
{
[DataMember]
public long ObjectID {get;set;}
[DataMember]
public string ObjectInJson {get;set;}
}
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