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Java SafeVarargs annotation, does a standard or best practice exist?
...t actually the type of the argument at runtime is not an instance of T[].
3) If your method has an argument of type T... (where T is any type parameter), then:
Safe: If your method only depends on the fact that the elements of the array are instances of T
Unsafe: If it depends on the fact that th...
A migration to add unique constraint to a combination of columns
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answered Jul 30 '10 at 9:45
Robert SpeicherRobert Speicher
14.5k55 gold badges3636 silver badges4343 bronze badges
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TypeError: Cannot read property 'then' of undefined
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133
You need to return your promise to the calling function.
islogged:function(){
var cUid=ses...
How to define a reply-to address?
...i.rubyonrails.org/classes/ActionMailer/…
– user664833
May 24 '13 at 22:15
1
According to this: ...
Ignoring time zones altogether in Rails and PostgreSQL
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347
The data type timestamptz is the short name for timestamp with time zone.
The other option tim...
How to connect an existing SQL Server login to an existing SQL Server database user of same name
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3 Answers
3
Active
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Creating a URL in the controller .NET MVC
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233
If you just want to get the path to a certain action, use UrlHelper:
UrlHelper u = new UrlHelp...
Detect if homebrew package is installed
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edited Feb 3 '17 at 16:33
razzed
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answered Dec 2...
How do I catch a numpy warning like it's an exception (not just for testing)?
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edited Apr 10 '16 at 16:34
answered Apr 10 '13 at 18:53
B...
How can I check if character in a string is a letter? (Python)
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You can use str.isalpha().
For example:
s = 'a123b'
for char in s:
print(char, char.isalpha())
Output:
a True
1 False
2 False
3 False
b True
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