大约有 40,000 项符合查询结果(耗时:0.0685秒) [XML]
mysql :: insert into table, data from another table?
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INSERT INTO action_2_members (campaign_id, mobile, vote, vote_date)
SELECT campaign_id, from_number, received_msg, date_received
FROM `received_txts`
WHERE `campaign_id` = '8'
...
How to get the name of a function in Go?
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@themihai I don't know, the sentence I quoted is all the docs at golang.org/pkg/reflect/#Value.Pointer say about this. But the quote seems to indicate that one could get the same pointer for different functions, doesn't it? And if this is the case, GetFunctionName might r...
Computed / calculated / virtual / derived columns in PostgreSQL
...(Not in Postgres 13, yet) .
Related:
Attribute notation for function call gives error
Until then, you can emulate VIRTUAL generated columns with a function using attribute notation (tbl.col) that looks and works much like a virtual generated column. That's a bit of a syntax oddity which exi...
What does Maven do, in theory and in practice? When is it worth to use it? [closed]
...g other common tasks like downloading & installing necessary libraries etc.
It is also designed around the "build portability" theme, so that you don't get issues as having the same code with the same buildscript working on one computer but not on another one (this is a known issue, we have VMs...
When would I use Task.Yield()?
... a lot but have never been using Task.Yield() and to be honest even with all the explanations I do not understand why I would need this method.
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JSF vs Facelets vs JSP [duplicate]
... of all the component tag libraries, converter classes, validator classes, etc., whereas the "facelet" is simply the XHTML file that uses those component tags and binds to the backing beans?
– Pam
Jan 27 '11 at 11:44
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How to explicitly discard an out argument?
...ublic void PrintXCoordinate(Point p)
{
p.GetCoordinates(out int x, out _); // I only care about x
WriteLine($"{x}");
}
Source: https://blogs.msdn.microsoft.com/dotnet/2017/03/09/new-features-in-c-7-0/
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UITextField border color
... and change these properties by saying self.myTextField.layer.cornerRadius etc. These changes will take effect as soon as you launch your app, but you cannot see the changes in the Storyboard. If this doesn't make any sense to you, I suggest you go to a website, for example Ray Wenderlich, and rea...
How do I perform a Perl substitution on a string while keeping the original?
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I was wondering if something like my $new = $_ for $old =~ s/foo/bar; would work?
– Benoit
Apr 30 '14 at 17:11
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What's the most elegant way to cap a number to a segment? [closed]
...a-library" answer but just in case you're using Lodash you can use .clamp:
_.clamp(yourInput, lowerBound, upperBound);
So that:
_.clamp(22, -10, 10); // => 10
Here is its implementation, taken from Lodash source:
/**
* The base implementation of `_.clamp` which doesn't coerce arguments.
*
* ...
