大约有 15,000 项符合查询结果（耗时：0.0365秒） [XML]
What are best practices for multi-language database design? [closed]
...ame, description FROM Products WHERE price < 100
...you would need to start writing queries like that:
SELECT
p.price, pt.name, pt.description
FROM
Products p JOIN ProductTranslations pt
ON (p.id = pt.id AND pt.lang = "en")
WHERE
price < 100
Not a very pretty perspective.
But ins...
How can I run a function from a script in command line?
...
esac
fun1
fun2
This script will run functions fun1 and fun2 but if you start it with option
fun1 or fun2 it'll only run given function with args(if provided) and exit.
Usage
$ ./test
run function1
run function2
$ ./test fun2 a b c
run function2
options: a b c
...
How to use sidebar with the keyboard in Sublime Text 2 and 3?
...ders) will show up in the search you get with Ctrl+p.
Just hit Ctrl+p and start typing parts of the filename and you'll get a list of matches.
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GitHub pages are not updating
...image), just by changing some white space, in order to get GitHub Pages to start serving the image. I suspect it doesn't rebuild unless an HTML page changes.
– Paul Lynch
Apr 13 '17 at 21:09
...
WPF and initial focus
It seems that when a WPF application starts, nothing has focus.
12 Answers
12
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Draw line in UIView
...ineWidth(context, 2.0f);
CGContextMoveToPoint(context, 0.0f, 0.0f); //start at this point
CGContextAddLineToPoint(context, 20.0f, 20.0f); //draw to this point
// and now draw the Path!
CGContextStrokePath(context);
}
...
What is the difference between range and xrange functions in Python 2.X?
...
@SIslam If it knows the start, end, and current, it can compute the next, one at a time.
– Justin Meiners
Jan 15 '17 at 4:20
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HTTP Error 404.3 - Not Found" while browsing wcf service on Windows Server 2008(64bit)
...you will also have to do the following after adding the Windows feature: - Start inetmgr - Open "Handler mappings" - Check if the svc-ISAPI mappings for extension *.svc are present. If not, use the "Revert To Parent" action to copy them from the parent website. Note that this assumes that custom han...
“for” vs “each” in Ruby
...doesn't, unless it was already defined as a local variable before the loop started.
Other than that, for is just syntax sugar for the each method.
When @collection is nil both loops throw an exception:
Exception: undefined local variable or method `@collection' for main:Object
...
Get specific ArrayList item
...
We print the value using mainList.get(index) where index starts with '0'.
For Example: mainList.get(2) prints the 3rd element in the list.
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