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ruby on rails f.select options with custom attributes
I have a form select statement, like this:
5 Answers
5
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How to find third or nth maximum salary from salary table?
...you want a single) or DENSE_RANK(for all related rows):
WITH CTE AS
(
SELECT EmpID, EmpName, EmpSalary,
RN = ROW_NUMBER() OVER (ORDER BY EmpSalary DESC)
FROM dbo.Salary
)
SELECT EmpID, EmpName, EmpSalary
FROM CTE
WHERE RN = @NthRow
...
How to change webservice url endpoint?
...de with a get[Service]Port method any more. Instead, call get[Service] and cast the resulting object to a BindingProvider to set these kinds of properties.
– Christopher Schultz
Jun 22 '16 at 19:34
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IOCTL Linux device driver [closed]
... call implemented in device driver module as unsigned long and we need to cast it to proper type before using it. Kernel space can access user space and hence this works. other two function-like macros are __IOR(MAGIC, SEQ_NO, TYPE) and __IORW(MAGIC, SEQ_NO, TYPE) where the data flow will be from k...
Combine Date and Time columns using python pandas
...
You can cast the columns if the types are different (datetime and timestamp or str) and use to_datetime :
df.loc[:,'Date'] = pd.to_datetime(df.Date.astype(str)+' '+df.Time.astype(str))
Result :
0 2013-01-06 23:00:00
1 2013-...
The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
... stream. For int[] or long[] or other arrays where the value can simply be cast to String, I'd look for a non-streaming solution. In fact I am looking.
– Adam
Nov 6 '17 at 12:11
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Concept behind these four lines of tricky C code
...in(--x[1], (char **)++y);
}
putchar(*--y);
}
Now we have lots of casting, passing arguments to (recursive) main that are completely ignored (but evaluation to get the increment and decrement are utterly crucial), and of course that completely arbitrary looking number to cover up the fact t...
Jackson JSON custom serialization for certain fields
... brings this message: Could not write content: java.lang.Integer cannot be cast to java.lang.Float
– Arnie Schwarzvogel
May 19 '18 at 14:54
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Any way to select without causing locking in MySQL?
...s/22-mysql-with-nolock.aspx
in MS SQL Server you would do the following:
SELECT * FROM TABLE_NAME WITH (nolock)
and the MYSQL equivalent is
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED ;
SELECT * FROM TABLE_NAME ;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ ;
EDIT
Mic...
What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java
...or vice versa. This answer stackoverflow.com/questions/2334200/… and its cast to AnyRef just reminded me that this was still mysterious to me.
– huynhjl
Feb 26 '10 at 14:30
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