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Android Spinner: Get the selected item change event

... Some of the previous answers are not correct. They work for other widgets and views, but the documentation for the Spinner widget clearly states: A spinner does not support item click events. Calling this method will raise an exception. Better use OnItemSelectedListener() instead:...
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Good PHP ORM Library?

...works well with Symfony. However if you're looking for database support besides the main ones you'll have to write your own code. share | improve this answer | follow ...
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MySQL Query to select data from last week?

... SELECT id FROM tbl WHERE date >= curdate() - INTERVAL DAYOFWEEK(curdate())+6 DAY AND date < curdate() - INTERVAL DAYOFWEEK(curdate())-1 DAY share ...
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How to make input type= file Should accept only pdf and xls

...nspector. So in either case you need to check the file type on the server side (your second question). Example: <input type="file" name="upload" accept="application/pdf,application/vnd.ms-excel" /> To your third question "And when I click the files (PDF/XLS) on webpage it automatically sho...
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How to design a multi-user ajax web application to be concurrently safe

.... If I was in your shoes I would develop something like this: 1. Server-Side: Determine a reasonable level at which you would define what I'd call "atomic artifacts" (the page? Objects on the page? Values inside objects?). This will depend on your webservers, database & caching hardware, # o...
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jQuery - select the associated label element of a input field [duplicate]

...t. Just use the for attribute of the label, as it should correspond to the ID of the element you're currently manipulating: var label = $("label[for='" + $(this).attr('id') + "']"); However, there are some cases where the label will not have for set, in which case the label will be the parent of ...
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How to filter array in subdocument with MongoDB [duplicate]

...wind the list array before applying the $match so that you can filter individual elements and then use $group to put it back together: db.test.aggregate([ { $match: {_id: ObjectId("512e28984815cbfcb21646a7")}}, { $unwind: '$list'}, { $match: {'list.a': {$gt: 3}}}, { $group: {_id:...
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How to save an activity state using save instance state?

I've been working on the Android SDK platform, and it is a little unclear how to save an application's state. So given this minor re-tooling of the 'Hello, Android' example: ...
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How to set default value to the input[type=“date”] [duplicate]

I have tried ( JSFiddle ): 14 Answers 14 ...
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Display back button on action bar

...and then you can custom the back event at onOptionsItemSelected case android.R.id.home: this.finish(); return true; share | improve this answer | follow | ...