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IN vs OR in the SQL WHERE Clause
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I assume you want to know the performance difference between the following:
WHERE foo IN ('a', 'b', 'c')
WHERE foo = 'a' OR foo = 'b' OR foo = 'c'
According to the manual for MySQL if the values are constant IN sorts the list and then uses a bi...
Get nodes where child node contains an attribute
...if title is not a direct child of book, but somewhere deeper and we don't know where exactly? //book[/title/@lang = 'it'] doesn't seem to work?
– Martin Konicek
Oct 28 '13 at 11:35
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Filtering by Multiple Specific Model Properties in AngularJS (in OR relationship)
... phone: member.phone
}});
Now, in html simply use the regular filter to search both these properties.
<div ng-repeat="member in people | filter: searchString">
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Convert data.frame column format from character to factor
...r approach
mtcars[, 'cyl'] <- as.factor(mtcars[, 'cyl'])
str(mtcars) # now look at the classes
This also works for character, dates, integers and other classes
Since you're new to R I'd suggest you have a look at these two websites:
R reference manuals:
http://cran.r-project.org/manuals.html...
SQL Server: Is it possible to insert into two tables at the same time?
...ord, and use that ID for a second record in an atomic way. The OP already knows how to do an insert/select. This is the piece he was missing.
– Joel Coehoorn
Nov 17 '15 at 14:42
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Change / Add syntax highlighting for a language in Sublime 2/3
...ely rewritten to include the best parts of JavaScript Next ES6 Syntax, and now is as fully ES6-compatible as can be. A ton of other changes have been made to cover corner and edge cases, improve consistency, and just overall make it better. The new syntax has been included in the (at this time) late...
Checkbox for nullable boolean
...rty:
public class MyViewModel
{
public bool Foo { get; set; }
}
and now you will have your controller action pass this view model to the view and generate the proper checkbox.
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How do I show multiple recaptchas on a single page?
...would need 2 recaptchas to appear on the same page. Is this possible? I know I could probably use a single one for both, but the way I have the layout, I would much prefer to have 2. Thanks.
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Why can't the tag contain a tag inside it?
As far as I know, this is right:
5 Answers
5
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Is it alright to use target=“_blank” in HTML5?
... was no longer okay to use target="_blank" in HTML5, but I can't find it now.
9 Answers
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