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Preview an image before it is uploaded
I want to be able to preview a file (image) before it is uploaded. The preview action should be executed all in the browser without using Ajax to upload the image.
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Best way to define error codes/strings in Java?
...ode and error string will be sent to the client accessing the web service. For example, when a SQLException occurs, I might want to do the following:
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Why are nested weights bad for performance? Alternatives?
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Nested weights are bad for performance because:
Layout weights require a widget to be measured twice. When a
LinearLayout with non-zero weights is nested inside another
LinearLayout with non-zero weights, then the number of measurements
i...
AsyncTask Android example
...r views are.
preExecute() and postExecute() offer you access to the GUI before and after the heavy lifting occurs in this new thread, and you can even pass the result of the long operation to postExecute() to then show any results of processing.
See these lines where you are later updating your Te...
jQuery Ajax File Upload
Can I use the following jQuery code to perform file upload using POST method of an ajax request ?
24 Answers
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Escape quote in web.config connection string
..."Server=dbsrv;User ID=myDbUser;Password=somepass"word"
See this forum thread.
Update:
" should work, but as it doesn't, have you tried some of the other string escape sequences for .NET? \" and ""?
Update 2:
Try single quotes for the connectionString:
connectionString='Serve...
How to update a menu item shown in the ActionBar?
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Option #1: Try invalidateOptionsMenu(). I don't know if this will force an immediate redraw of the action bar or not.
Option #2: See if getActionView() returns anything for the affected MenuItem. It is possible that showAsAction simply automatically creates action views for you. If so, you...
Problems with contenttypes when loading a fixture in Django
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manage.py dumpdata --natural will use a more durable representation of foreign keys. In django they are called "natural keys". For example:
Permission.codename is used in favour of Permission.id
User.username is used in favour of User.id
Read more: natural keys section in "serializing django...
Is it possible to install APK file if more than one emulators/devices are connected [duplicate]
...pecific name ?
Actually i have to test one apk file in to many device. and for that i have started many device. I know how to install it. if the all device are open then it will not get install. So is there any alternate to install that apk file by giving any specific device Emulator id or any name ...
SQLAlchemy: What's the difference between flush() and commit()?
...persisted to the database until they are committed (if your program aborts for some reason in mid-session transaction, any uncommitted changes within are lost).
The session object registers transaction operations with session.add(), but doesn't yet communicate them to the database until session.flu...