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How do I find duplicates across multiple columns?
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Duplicated id for pairs name and city:
select s.id, t.*
from [stuff] s
join (
select name, city, count(*) as qty
from [stuff]
group by name, city
having count(*) > 1
) t on s.name = t.name and s.city = t.c...
Replace all whitespace characters
I want to replace all occurrences of white space characters (space, tab, newline) in JavaScript.
How to do so?
9 Answer...
重装系统后硬盘不引导了怎么办？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...系统后硬盘不引导了怎么办？重建主引导，可以用DiskGenius软件很好用或者使用磁盘分区表医生：------------------------------------------- 现在的情况是：使用U盘...重建主引导，可以用DiskGenius软件很好用
或者使用“磁盘分区表医...
Get specific ArrayList item
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As many have already told you:
mainList.get(3);
Be sure to check the ArrayList Javadoc.
Also, be careful with the arrays indices: in Java, the first element is at index 0. So if you are trying to get the third element, your solution would be mainLis...
Sample settings.xml for maven
How to configure settings.xml in Maven? Also, please share a sample settings.xml .
3 Answers
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Xcode 4, Core Data Model Version - Set Current Version
I'm confused about how to perform the following function in Xcode 4 to set the model to use after creating a versioned model.
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How to use Swift @autoclosure
I noticed when writing an assert in Swift that the first value is typed as
6 Answers
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How do you reset the Zoom in Visual Studio 2010 and above
How do you reset the "Zoom" in VS 2010 and above back to normal?
7 Answers
7
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how to get an uri of an image resource in android
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The format is:
"android.resource://[package]/[res id]"
[package] is your package name
[res id] is value of the resource ID, e.g. R.drawable.sample_1
to stitch it together, use
Uri path = Uri.parse("android.resource://your.package.name/" + R.drawabl...
Why does Clojure have “keywords” in addition to “symbols”?
I have a passing knowledge of other Lisps (particularly Scheme) from way back. Recently I've been reading about Clojure . I see that it has both "symbols" and "keywords". Symbols I'm familiar with, but not with keywords.
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