大约有 43,000 项符合查询结果（耗时：0.0502秒） [XML]
GridLayout and Row/Column Span Woe
...id Support package, the layout breaks" -- actually, that was my fault, not converting the required android: attributes to app: ones, using the backport's XML namespace. It does work with the backport.
– CommonsWare
Aug 8 '12 at 23:44
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Count number of occurences for each unique value
...ncy? I have the exact same problem, but my table has roughly 20000 entries and I'd like to know how frequent the most common entries are.
– Torvon
Dec 1 '14 at 16:25
5
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How to represent empty char in Java Character class
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A null char literal is still a character and takes space in storage.
– Jimmy T.
Jun 15 '14 at 13:50
7
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Android View.getDrawingCache returns null, only null
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I was having this problem also and found this answer:
v.setDrawingCacheEnabled(true);
// this is the important code :)
// Without it the view will have a dimension of 0,0 and the bitmap will be null
v.measure(MeasureSpec.makeMeasureSpec(0, Me...
What is the difference between “INNER JOIN” and “OUTER JOIN”?
... by the outer join ends up discarded (along with the blue one) effectively converting the join back to an inner one.
If the intention was to include only rows from B where Colour is Green and all rows from A regardless the correct syntax would be
SELECT A.Colour, B.Colour FROM A LEFT OUTER JOIN B O...
HttpServletRequest to complete URL
...king a defensive copy that's a very good way to introduce strange behavior and bugs in other parts of code that expect it in it's original form.
– Ken Blair
May 22 '12 at 16:53
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Javascript Cookie with no expiration date
... So, basically, on 19th Jan 2038, Chewie will sit in the Millennium Falcon and complain about the cookie policy popup on the galactic map API yet again...
– nickhar
Jul 16 '18 at 22:51
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ServiceStack vs ASP.Net Web API [closed]
...t (IHttpResult) for Customized HTTP response
The following types are not converted and get written directly to the Response Stream:
String
Stream
IStreamWriter
byte[] - with the application/octet-stream Content Type.
An example of the Custom HTTP headers support can be seen by this CORS exampl...
Pandas count(distinct) equivalent
I am using pandas as a db substitute as I have multiple databases (oracle, mssql, etc) and I am unable to make a sequence of commands to a SQL equivalent.
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Update relationships when saving changes of EF4 POCO objects
...r the updated object including the collections I need to update.
Query and convert .ToList() the entities I want my collection to include.
Update the main object's collection(s) to the List I got from step 3.
SaveChanges();
In the following example "dataobj" and "_categories" are the parameters re...