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ActiveRecord, has_many :through, and Polymorphic Associations
... As scotkf points out, there is a regression in ActiveRecord 3.1.1 that blocks this behaviour. Upgrading to 3.1.2 will allow this solution to work.
– EmFi
Dec 5 '11 at 9:11
6
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EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
...ould be nice when you format your code that your text is not inside a code block.
– jmattheis
Sep 28 '16 at 18:13
Asynchronous Process inside a javascript for loop [duplicate]
...
JavaScript code runs on a single thread, so you cannot principally block to wait for the first loop iteration to complete before beginning the next without seriously impacting page usability.
The solution depends on what you really need. If the example is close to exactly what you need, @S...
How can I detect whether an iframe is loaded?
...ainPopupIframe');
ifr.onload=function(){
this.style.display='block';
console.log('laod the iframe')
};
var btn=document.getElementById('click');
btn.onclick=function(){
ifr.src='https://heera.it';
};
};
<button id='click'>click me&l...
What is a segmentation fault?
...s because it points to character variable c that ceased to exist after the block ended. And when you try to dereference dangling pointer (like *p='A'), you would probably get a segfault.
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difference between css height : 100% vs height : auto
...browser, but height: X% Defines the height in percentage of the containing block.
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How to lazy load images in ListView in Android
... there a way to lazy load images so while the text displays, the UI is not blocked and images are displayed as they are downloaded?
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How to check for an active Internet connection on iOS or macOS?
...gle.com"];
// Internet is reachable
internetReachableFoo.reachableBlock = ^(Reachability*reach)
{
// Update the UI on the main thread
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"Yayyy, we have the interwebs!");
});
};
// Internet is ...
What is the MySQL VARCHAR max size?
... come from their use, such as not being able to sort using the entire text block beyond a certain number of characters (though this can be configured upwards), forcing temporary tables to be on disk rather than in memory, or having to configure client and server comms buffers to handle the sizes eff...
Java: Calling a super method which calls an overridden method
...a plain variable in the data domain; super is like a pointer to a borrowed block of code that you want to be executed, more like a mere function call, and it's relative to the class where it is called.
Therefore if you use super from the superclass you get code from the superduper class [the grandp...