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Efficiently updating database using SQLAlchemy ORM
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SQLAlchemy's ORM is meant to be used together with the SQL layer, not hide it. But you do have to keep one or two things in mind when using the ORM and plain SQL in the same transaction. Basically, from one side, ORM data modifications will only hit the database when you ...
How can I trigger an onchange event manually? [duplicate]
...t method is to just call that function:
element.onchange();
If you need it to simulate the real event in full, or if you set the event via the html attribute or addEventListener/attachEvent, you need to do a bit of feature detection to correctly fire the event:
if ("createEvent" in document) {
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What is the command to exit a Console application in C#?
What is the command in C# for exit a Console Application?
4 Answers
4
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Npm Please try using this command again as root/administrator
I've been desperately trying to install modules using node.js but it always fails getting packages with npm.
32 Answers
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How can I reverse the order of lines in a file?
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edited Dec 9 '14 at 17:50
Cristian Ciupitu
17.3k77 gold badges4646 silver badges6868 bronze badges
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Determine what attributes were changed in Rails after_save callback?
...f (self.published_changed? && self.published == true)
end
end
It just works.
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How to remove files from git staging area?
I made changes to some of my files in my local repo, and then I did git add -A which I think added too many files to the staging area. How can I delete all the files from the staging area?
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Do declared properties require a corresponding instance variable?
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If you are using the Modern Objective-C Runtime (that's either iOS 3.x or greater, or 64-bit Snow Leopard or greater) then you do not need to define ivars for your properties in cases like this.
When you @synthesize the property, the ivar will in effect be synthesized also for you...
How to hide “Showing 1 of N Entries” with the dataTables.js library
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You can remove it with the bInfo option (http://datatables.net/usage/features#bInfo)
$('#example').dataTable({
"bInfo" : false
});
Update:
Since Datatables 1.10.* this option can be used as info, bInfo still works in current...
delegate keyword vs. lambda notation
Once it is compiled, is there a difference between:
6 Answers
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