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How do you return the column names of a table?
...rver 2008? i.e. a table contains these columns- id, name, address, country and I want to return these as data.
20 Answers
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Dynamically select data frame columns using $ and a character value
...e that must first be evaluated in the second argument. You may only pass a string which is never evaluated.
Instead use [ (or [[ if you want to extract only a single column as a vector).
For example,
var <- "mpg"
#Doesn't work
mtcars$var
#These both work, but note that what they return is d...
jQuery: select an element's class and id at the same time?
I've got some links that I want to select class and id at the same time.
6 Answers
6
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Copy file remotely with PowerShell
...CategoryInfo : PermissionDenied: (\\192.168.1.100\Shared\test.txt:String) [Copy-Item], UnauthorizedAccessException>
+ FullyQualifiedErrorId : ItemExistsUnauthorizedAccessError,Microsoft.PowerShell.Commands.CopyItemCommand
So this did it for me:
netsh advfirewall firewall set rule...
Python - Count elements in list [duplicate]
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just do len(MyList)
This also works for strings, tuples, dict objects.
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Make hibernate ignore class variables that are not mapped [duplicate]
...ss, unless you specifically mark them with @Transient:
@Transient
private String agencyName;
The @Column annotation is purely optional, and is there to let you override the auto-generated column name. Furthermore, the length attribute of @Column is only used when auto-generating table definition...
Should I inherit from std::exception?
...s no way to pass a message to std::exception. std::runtime_error accepts a string and is derived from std::exception.
– Martin York
Nov 3 '09 at 19:59
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Is there a Java reflection utility to do a deep comparison of two objects?
...ePolicy(unordered=true, ignore=false, exactTypesOnly=true)
private List<StringyThing> _mylist;
I think this is actually a really hard problem, but totally solvable! And once you have something that works for you, it is really, really, handy :)
So, good luck. And if you come up with somethin...
Transactions in .net
... DTC.
There is a glitch that means you might need to tweak your connection string
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Is it possible to rename a maven jar-with-dependencies?
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You can specify the finalName property to give the jar the name you want, and specify that appendAssemblyId should be false to avoid the "jar-with-dependencies" suffix.
The configuration below will output a jar called "test.jar"
<plugin>
<artifactId>maven-assembly-plugin</artifac...