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ROW_NUMBER() in MySQL
...mmonly-asked SQL questions (since it seems like it should be easy, but actually it kind of isn't).
I often plump for a null-self-join:
SELECT t0.col3
FROM table AS t0
LEFT JOIN table AS t1 ON t0.col1=t1.col1 AND t0.col2=t1.col2 AND t1.col3>t0.col3
WHERE t1.col1 IS NULL;
“Get the rows in the...
Where is Android Studio layout preview?
I installed Android Studio, but when I edit my layout files, I can't find live preview! I just see an XML file. How can I see my layout in graphical view?
...
Spring mvc @PathVariable
...able("id") String itemId ,
@PathVariable("method") String methodCall , Model model){
if(methodCall.equals("create")){
//logic
}
if(methodCall.equals("update")){
//logic
}
return "path to your form";
}
...
Entity Framework select distinct name
...
Maybe a daft question, but does this return all addresses to the C# code layer and then filter them, or does this pass the appropriate query to the database server to return only the unique values?
– D. A.
Jun 20 at 23:15
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How do I get the MAX row with a GROUP BY in LINQ query?
... (s => s.uid, tv => tv.uid, asdf => asdf.uid). Linq will automatically recognize it as selecting over elements of type Serial.
– Michael
Mar 17 '11 at 17:03
add a com...
Why do table names in SQL Server start with “dbo”?
At least on my local instance, when I create tables, they are all prefixed with "dbo.". Why is that?
3 Answers
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How can I log the stdout of a process started by start-stop-daemon?
...ON_ARGS > /var/log/some.log 2>&1"
Using exec to run the daemon allows stop to correctly stop the child process instead of just the bash parent.
Using --startas instead of --exec ensures that the process will be correctly detected by its pid and won't erroneously start multiple instances...
Disable, but not uninstall Resharper 4.x onwards
Any ideas on how to disable, but not uninstall Resharper 4.x or above?
10 Answers
10
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Favicons - Best practices
I'm trying to get my head around all these different sizes and formats that are needed for Favicons, Touch icons and now Tile icons too.
...
Entity framework self referencing loop detected [duplicate]
...en this is sufficient, and I'd say better if you're doing MVVM, because it allows you to specify the ViewModel on the server. if you want to use this service as part of an N-Tier API, consumed by other .net services, then the other answer is more appropriate, because it keeps the database contract i...