大约有 44,000 项符合查询结果（耗时：0.0769秒） [XML]
PostgreSQL Crosstab Query
... , status text
, ct integer -- "count" is a reserved word in standard SQL
);
INSERT INTO tbl VALUES
('A', 'Active', 1), ('A', 'Inactive', 2)
, ('B', 'Active', 4), ('B', 'Inactive', 5)
, ('C', 'Inactive', 7); -- ('C', 'Active') is missing
Simple form - not fit f...
Returning value from Thread
I have a method with a HandlerThread . A value gets changed inside the Thread and I'd like to return it to the test() method. Is there a way to do this?
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How to write a Unit Test?
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Define the expected and desired output for a normal case, with correct input.
Now, implement the test by declaring a class, name it anything (Usually something like TestAddingModule), and add the testAdd method to it (i.e. like the one below) :...
Django - limiting query results
...t work in django on a queryset: code.djangoproject.com/ticket/13089 If you convert the queryset to a list it will work.
– valem
Jan 9 at 16:48
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Changing Font Size For UITableView Section Headers
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Tried this and while it works if you scroll the table up, the Header Label stays on the screen and overlays the cells. :(
– Plasma
Apr 28 '14 at 12:49
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How to dynamically update a ListView on Android [closed]
On Android, how can I a ListView that filters based on user input, where the items shown are updated dynamically based on the TextView value?
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How to sort a Ruby Hash by number value?
...e your code to:
metrics.sort {|a1,a2| a2[1].to_i <=> a1[1].to_i }
Converted to strings along the way or not, this will do the job.
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What's “requestCode” used for on PendingIntent?
...ded even in case the alarms' intents are very different (one for service A and one for service B , for example ) ? Also, how come the documentation doesn't say anything about it? Is it possible to remove all alarms of a certain type, no matter what is the requestCode?
– android...
Using NumberPicker Widget with Strings
Is there a way to use the Android NumberPicker widget for choosing strings instead of integers?
5 Answers
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How do I get the file extension of a file in Java?
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@zhelon .gz stands for gnu zipped file, and .tar stands for (t)ape (ar)chive. So .tar.gz is a tar file inside a gnu zipped file, which has the .gz extension.
– cirovladimir
Mar 27 '16 at 16:35
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