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How to check if an email address exists without sending an email?
...determine if a recipient actually exists:
You can connect to the server, and issue a VRFY command. Very few servers support this command, but it is intended for exactly this. If the server responds with a 2.0.0 DSN, the user exists.
VRFY user
You can issue a RCPT, and see if the mail is rejected...
Getting the last element of a split string array
...ement of a split array with multiple separators. The separators are commas and space. If there are no separators it should return the original string.
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How to get the current date and time
How do I get the current date and time in Java?
10 Answers
10
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How do I set the timeout for a JAX-WS webservice client?
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I know this is old and answered elsewhere but hopefully this closes this down. I'm not sure why you would want to download the WSDL dynamically but the system properties:
sun.net.client.defaultConnectTimeout (default: -1 (forever))
sun.net.c...
Android Studio vs Eclipse + ADT Plugin? [closed]
...er update (25th of October 2016):
TL;DR
Eclipse ADT has been deprecated and should no longer be used.
Android Studio is a stable product and is updated much more frequently than IntelliJ
I chose to use Android Studio over IntelliJ about a year ago and haven't looked back.
When in doubt, use Andro...
Viewing a Deleted File in Git
I've deleted a file with Git and then committed, so the file is no longer in my working copy. I want to look at the contents of that file, but not actually restore it. How can I do this?
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How do I grab an INI value within a shell script?
...r a specialized ini parser like crudini, as there are many edge cases not handled by the above
– pixelbeat
Oct 27 '15 at 11:30
3
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Adding information to an exception?
...ay, you'd need to do something along these lines to preserve the traceback and not hardcode the type of exception in function bar(). Also note that there will be the line:
During handling of the above exception, another exception occurred:
in the traceback messages displayed.
# for Python 3.x
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How do I merge a specific commit from one branch into another in Git?
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The git cherry-pick <commit> command allows you to take a single commit (from whatever branch) and, essentially, rebase it in your working branch.
Chapter 5 of the Pro Git book explains it better than I can, complete with diagrams and such. (The chapter on ...
How do I display an alert dialog on Android?
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You could use an AlertDialog for this and construct one using its Builder class. The example below uses the default constructor that only takes in a Context since the dialog will inherit the proper theme from the Context you pass in, but there's also a constructo...