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DropDownList's SelectedIndexChanged event not firing

I have a DropDownList object in my web page. When I click on it and select a different value, nothing happens, even though I have a function wired up to the SelectedIndexChanged event. ...
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How do you serialize a model instance in Django?

... You can easily use a list to wrap the required object and that's all what django serializers need to correctly serialize it, eg.: from django.core import serializers # assuming obj is a model instance serialized_obj = serializers.serialize('json', [ obj, ]) ...
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PostgreSQL: How to make “case-insensitive” query

... answered Aug 10 '11 at 2:47 ChanduChandu 72.1k1616 gold badges118118 silver badges122122 bronze badges ...
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Email Address Validation in Android on EditText [duplicate]

How can we perform Email Validation on edittext in android ? I have gone through google & SO but I didn't find out a simple way to validate it. ...
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Automapper - how to map to constructor parameters instead of property setters

... Looks like CreateMap<> should be PersonViewModel and not PersonProfile. As well as in the second code block PersonModel should be PersonViewModel. – Ben Sampica Aug 7 '19 at 19:30 ...
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Calling JMX MBean method from a shell script

... JMX MBean method from a shell script. We expose some operations/admin commands through JMX, and we could have our admins use JConsole, or VisualVM, but some tasks are better left to automation. In that automation we'd like to be able to call a JMX MBean method on our running server, preferably from...
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file_put_contents - failed to open stream: Permission denied

...77 database (from the directory that contains the database folder) apache and nobody will have access to this directory if it is chmodd'ed correctly. The other thing to do is echo "getcwd()". This will show you the current directory, and if this isn't '/something.../database/' then you'll need to ...
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Image resizing client-side with JavaScript before upload to the server

...an image client-side with JavaScript (really resize, not just change width and height). I know it's possible to do it in Flash but I would like to avoid it if possible. ...
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Infinite Recursion with Jackson JSON and Hibernate JPA issue

...ks to As Zammel AlaaEddine for pointing this out). JsonManagedReference and JsonBackReference Since Jackson 1.6 you can use two annotations to solve the infinite recursion problem without ignoring the getters/setters during serialization: @JsonManagedReference and @JsonBackReference. Explanatio...
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Does IMDB provide an API? [closed]

... The IMDb has a public API that, although undocumented, is fast and reliable (used on the official website through AJAX). Search Suggestions API https://sg.media-imdb.com/suggests/a/aa.json https://v2.sg.media-imdb.com/suggests/h/hello.json (alternate) Format: JSON-P Caveat: It's in JS...