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How to remove the focus from a TextBox in WinForms?
...against the form itself and have several buttons etc. Problem is that the app is taking input from a cardreader, so if focus goes away from the form itself then all hell breaks loose. Having focus on a label after a button-click solved my problem. Thanks so much!
– joelc
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postgresql - replace all instances of a string within text field
...ing-to-string replacement, so 'category' will become 'dogegory'. the regexp_replace function may help you define a stricter match pattern for what you want to replace.
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How to validate IP address in Python? [duplicate]
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Don't parse it. Just ask.
import socket
try:
socket.inet_aton(addr)
# legal
except socket.error:
# Not legal
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difference between collection route and member route in ruby on rails?
...st, not the collection of votes being created.The named path would be posts_votes_url, for example.
– George Shaw
Feb 21 '14 at 6:10
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Unable to Cast from Parent Class to Child Class
...eserializeObject<Child>(serializedParent);
I have a simple console app that casts animal into dog, using the above two lines of code over here
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Can an interface extend multiple interfaces in Java?
...nterface B with boolean test()? (Is this a cousin of the diamond problem?) __Tried it and the sensible thing happens: not allowed if the return type is different.
– Daniel
Jan 6 '15 at 17:38
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How to sort a Ruby Hash by number value?
...ea.com" => 745, "siteb.com" => 9, "sitec.com" => 10 }
metrics.sort_by {|_key, value| value}
# ==> [["siteb.com", 9], ["sitec.com", 10], ["sitea.com", 745]]
If you need a hash as a result, you can use to_h (in Ruby 2.0+)
metrics.sort_by {|_key, value| value}.to_h
# ==> {"siteb.c...
Append column to pandas dataframe
...lid with uniquely valued Index objects , you can use: pd.concat([dat1.reset_index(), dat2], axis=1)
– beyondfloatingpoint
Aug 27 '19 at 9:21
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MongoDb query condition on comparing 2 fields
...SODate("2017-01-20T10:55:08.000Z").getTime()
– leinaD_natipaC
Oct 1 '19 at 10:28
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Is there replacement for cat on Windows
... strange to me that this is not the accepted answer, given the apparent issues with type outlined in the comments on the accepted answer... unless this solution has similar drawbacks but is not popular enough for people to note 'em!
– Jony Thrive
Ju...