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Finding ALL duplicate rows, including “elements with smaller subscripts”
...ch element of a vector or data frame is a duplicate of an element with a smaller subscript. So if rows 3, 4, and 5 of a 5-row data frame are the same, duplicated will give me the vector
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Create web service proxy in Visual Studio from a WSDL file
... URL property you can set on the fly, and a bunch of methods that you can call. It'll also generate classes for all/any complex objects passed across the service interface.
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Why do I get a warning icon when I add a reference to an MEF plugin project?
... Studio 2017 with update 15.3 has still not addressed the issue of not actually showing a meaningful message. Very annoying.
– Greg R Taylor
Sep 12 '17 at 11:38
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How to change file encoding in NetBeans?
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In NetBeans model all project files should have the same encoding. The answer is that you can't do that in Netbeans.
If you are working in Netbeans you should consider to convert all files to a single encoding using other tools.
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Difference between spring @Controller and @RestController annotation
... I think @RestController also converts the response to JSON/XML automatically.
– arnabkaycee
Oct 21 '16 at 13:05
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How to format a DateTime in PowerShell
...the -f operator does work in this form: 'format string' -f values. If you call Get-Date -format "yyyyMMdd" you call a cmdlet with some parameters. The value "yyyyMMdd" is the value for parameter Format (try help Get-Date -param Format).
-f operator
There are plenty of format strings. Look at least...
How to solve “The specified service has been marked for deletion” error
...Manager is opened.
Microsoft Management Console (MMC) is opened. To ensure all instances are closed, run taskkill /F /IM mmc.exe.
Services console is opened. This is the same as the previous point, since Services console is hosted by MMC.
Event Viewer is opened. Again, this is the same as the third ...
Selecting a row in DataGridView programmatically
...ow can I select a particular range of rows in a DataGridView programmatically at runtime?
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What is Persistence Context?
...erence/en/html/architecture.html
In Java EE, a persistence context is normally accessed via an EntityManager.
http://docs.oracle.com/javaee/6/api/javax/persistence/EntityManager.html
The various states an entity can have and the transitions between these are described below:
http://docs.jboss.or...
In SQL, what's the difference between count(column) and count(*)?
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Just curious: if you have a row with all NULLs, would count(*) still count it, or is just count(column) for all columns?
– Joel Coehoorn
Sep 12 '08 at 15:29
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