大约有 48,000 项符合查询结果（耗时：0.0680秒） [XML]
Reason for Column is invalid in the select list because it is not contained in either an aggregate f
...table T:
a b
--------
1 abc
1 def
1 ghi
2 jkl
2 mno
2 pqr
And I do the following query:
SELECT a, b
FROM T
GROUP BY a
The output should have two rows, one row where a=1 and a second row where a=2.
But what should the value of b show on each of these two rows? There are three pos...
Can't Find Theme.AppCompat.Light for New Android ActionBar Support
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You need to do next:
File->Import (android-sdk\extras\android\support\v7). Choose "AppCompat"
Project-> properties->Android. In the section library "Add" and choose "AppCompat"
That is all!
Note: if you are using "android:showAsAction" in men...
The developers of this app have not set up this app properly for Facebook Login?
...
the problem was you have to set
Do you want to make this app and all its live features available to the general public?
set status and review to ON and problem solved
enjoy coding
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How to inflate one view with a layout
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I get an error: 02-25 22:21:19.324: ERROR/AndroidRuntime(865): Caused by: java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.
– Michal Dymel
Feb 25 '...
Get last field using awk substr
...fectly. I didnt think about $NF variable. Thanks for your immediate simple and effective answer.
– Mari
Jul 29 '13 at 10:27
6
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Parse JSON in TSQL
...se CLR. It is as simple as that, unless you have a huge masochistic streak and want to write a JSON parser in SQL
Normally, folk ask for JSON output from the DB and there are examples on the internet. But into a DB?
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Getting the client's timezone offset in JavaScript
...t);
The time-zone offset is the difference, in minutes, between UTC and local time. Note that this means that the offset is positive if the local timezone is behind UTC and negative if it is ahead. For example, if your time zone is UTC+10 (Australian Eastern Standard Time), -600 will be retu...
Serialize form data to JSON [duplicate]
...the same name. You should check if indexed_array[n['name']] already exists and if it convert it to array and add the n['value'] there. Of course you also need to check if indexed_array[n['name']] is already an array.
– Strix
May 22 '13 at 22:13
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Why Maven uses JDK 1.6 but my java -version is 1.7
I'm new to maven, and also to MacOS.
9 Answers
9
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How to remove unused imports from Eclipse
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How about Android Studio?
– user2742371
Mar 1 '14 at 23:49
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