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What does a double * (splat) operator do
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Ruby 2.0 introduced keyword arguments, and ** acts like *, but for keyword arguments. It returns a Hash with key / value pairs.
For this code:
def foo(a, *b, **c)
[a, b, c]
end
Here's a demo:
> foo 10
=> [10, [], {}]
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Regex Email validation
...aracters for Internet domain names.)
There are 2 implementation, for .Net 2.0/3.0 and for .Net 3.5 and higher.
the 2.0/3.0 version is:
bool IsValidEmail(string strIn)
{
// Return true if strIn is in valid e-mail format.
return Regex.IsMatch(strIn, @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\....
How to call a stored procedure from Java and JPA
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How to retrieve Stored Procedure output parameter using JPA (2.0 needs EclipseLink imports and 2.1 does not)
Even though this answer does elaborate on returning a recordset from a stored procedure,
I am posting here, because it took me ages to figure it out and this thread helped me.
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method overloading vs optional parameter in C# 4.0 [duplicate]
...ith an optional parameter from a language that does not support it (ex. C# 2.0)?
– Louis Rhys
Jul 26 '10 at 7:29
10
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How do I install an old version of Django on virtualenv?
... releases with minor version can be found here : docs.djangoproject.com/en/2.0/releases oddly I didn't find this page from the django doc. replace '2.0' by '2.1' in some months..
– jerome
Mar 3 '18 at 12:27
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Run a Docker image as a container
...essfully, but what do I do with it? Shouldn't i be able to run it as a container?
11 Answers
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Sending Email in Android using JavaMail API without using the default/built-in app
...p.
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable ...
How do you create a remote Git branch?
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Simple Git 2.0+ solution:
As of Git 2.0 the behaviour has become simpler:
You can configure git with push.default = current to make life easier:
I added this so now I can just push a new branch upstream with
$ git push -u
-u will...
Warning: Found conflicts between different versions of the same dependent assembly
... of those projects are compiled using .NET 3.5, some others are still .NET 2.0 projects (so far no problem).
19 Answers
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