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How should I validate an e-mail address?
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I know this answer is about two years old, but when I try this regex using regexr.com, it validates user@gmail.com.nospam, and even longer tlds like .museum. Am I missing something? I don't want to block any of my users by faili...
“Inner exception” (with traceback) in Python?
...o the original exception's error message, but keep other details intact.
Known Exception Type
try:
sock_common = xmlrpclib.ServerProxy(rpc_url+'/common')
self.user_id = sock_common.login(self.dbname, username, self.pwd)
except IOError:
_, ex, traceback = sys.exc_info()
message = "C...
How to convert a Java 8 Stream to an Array?
...:
Stream<String> stringStream = Arrays.stream(stringList);
we can now perform some operations on this stream Ex:
Stream<String> myNewStream = stringStream.map(s -> s.toUpperCase());
and finally convert it to a java 8 Array using these methods:
1-Classic method (Functional inter...
How do you use the ellipsis slicing syntax in Python?
...t; from numpy import arange
>>> a = arange(16).reshape(2,2,2,2)
Now, you have a 4-dimensional matrix of order 2x2x2x2. To select all first elements in the 4th dimension, you can use the ellipsis notation
>>> a[..., 0].flatten()
array([ 0, 2, 4, 6, 8, 10, 12, 14])
which is ...
How to close TCP and UDP ports via windows command line
Does somebody knows how to close a TCP or UDP socket for a single connection via windows command line?
17 Answers
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Simulating ENTER keypress in bash script
... that echo generates (thanks Marcin)
echo | <yourfinecommandhere>
Now we can simply use the --sk option:
--sk, --skip-keypress Don't wait for a keypress after each test
i.e. sudo rkhunter --sk --checkall
share...
What is the difference between ports 465 and 587?
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@EricJ. ...But gmail also supports port 587. Do you know which port Google uses internally? Otherwise, the fact that they support 465 doesn't really count as evidence it's preferred or even particularly commonly used.
– Parthian Shot
Mar 2...
SQL Data Reader - handling Null column values
...ex))
return reader.GetString(colIndex);
return string.Empty;
}
Now you can call it like this:
employee.FirstName = SqlReader.SafeGetString(indexFirstName);
and you'll never have to worry about an exception or a null value again.
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Install an apk file from command prompt?
...cmd
Navigate to platform-tools\ in the android-sdk windows folder
Type adb
now follow the steps writte by Mohit Kanada (ensure that you mention the entire path of the .apk file for eg. d:\android-apps\test.apk)
share
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How to return only the Date from a SQL Server DateTime datatype
... The only downside I can see to your solution is that unless you know what it is doing it is a bit obtuse. Using the double convert method makes your intentions more obvious to futire code maintainers. BTW I have not downvoted you. I think I'll start using your method too. Thankyou @aku
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