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Show an image preview before upload
In my HTML form I have input filed with type file for example :
5 Answers
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Python logging: use milliseconds in time format
By default logging.Formatter('%(asctime)s') prints with the following format:
10 Answers
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How to send email attachments?
...blems understanding how to email an attachment using Python. I have successfully emailed simple messages with the smtplib . Could someone please explain how to send an attachment in an email. I know there are other posts online but as a Python beginner I find them hard to understand.
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How to change the Eclipse default workspace?
Where can I change the default workspace in Eclipse?
15 Answers
15
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Delete file from internal storage
I'm trying to delete images stored in internal storage. I've come up with this so far:
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Find the PID of a process that uses a port on Windows
...a command shell and type (saying your port is 123456):
netstat -a -n -o | find "123456"
You will see everything you need.
The headers are:
Proto Local Address Foreign Address State PID
TCP 0.0.0.0:37 0.0.0.0:0 LISTENING 1111
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Why JSF calls getters multiple times
Let's say I specify an outputText component like this:
9 Answers
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How to change the background color of a UIButton while it's highlighted?
At some point in my app I have a highlighted UIButton (for example when a user has his finger on the button) and I need to change the background color while the button is highlighted (so while the finger of the user is still on the button).
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How to “grep” for a filename instead of the contents of a file?
grep is used to search within a file to see if any line matches a given regular expression. However, I have this situation - I want to write a regular expression that will match the filename itself (and not the contents of the file). I will run this from the system's root directory, to find all thos...
javax.faces.application.ViewExpiredException: View could not be restored
...when I log in and open another page on which I logout, then I come back to first page and I click on any link etc or refresh page I get this exception. I guess it's normal (or maybe not:)) because I logged out and session is destroyed. What should I do to redirect user to for example index.xhtml or ...