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Design Pattern for Undo Engine
...a virtual method implementation.
To do aggregate actions (e.g. user Shift-Selects a load of objects to do an operation on, such as delete, rename, change attribute), your code creates a new Undo stack as a single memento, and passes that to the actual operation to add the individual operations to. ...
Retrieve database or any other file from the Internal Storage using run-as
... procedure below:
search and open device file explorer
Select your handset and then browse to data/data directory
Now find your application package and go to databases folder. You can see the databases there and upon right click, you will get option
to save this in...
How do you find all subclasses of a given class in Java?
...and fields) in memory, for all classes on the classpath, or for classes in selected packages, and you can query this class graph however you want. ClassGraph supports more classpath specification mechanisms and classloaders than any other scanner, and also works seamlessly with the new JPMS module s...
Enable SQL Server Broker taking too long
...rvice Broker enabled or disabled, then query sys.databases, for instance:
SELECT
name, database_id, is_broker_enabled
FROM sys.databases
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SQL Server Escape an Underscore
...expected. Instead of trying to hassle with it, I went with a work around:
select * from information_schema.columns
where replace(table_name,'_','!') not like '%!%'
order by table_name
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M_PI works with math.h but not with cmath in Visual Studio
...
As suggested by user7860670, right-click on the project, select properties, navigate to C/C++ -> Preprocessor and add _USE_MATH_DEFINES to the Preprocessor Definitions.
That's what worked for me.
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How to 'git pull' into a branch that is not the current one?
...origin/master into master but I cannot run git checkout to change the selected branch until after the pull is complete. Is there a way to do this?
...
Is it possible to use Swift's Enum in Obj-C?
...
To expand on the selected answer...
It is possible to share Swift style enums between Swift and Objective-C using NS_ENUM().
They just need to be defined in an Objective-C context using NS_ENUM() and they are made available using Swift dot ...
Using SQL Server 2008 and SQL Server 2005 and date time
...pen your EDMX in a file editor (or “open with…” in Visual Studio and select XML Editor). At the top you will find the storage model and it has an attribute ProviderManifestToken. This has should have the value 2008. Change that to 2005, recompile and everything works.
NOTE: You'll have to do ...
How do I pass multiple parameters into a function in PowerShell?
...est-Path $_ -PathType 'Leaf' })]
[ValidateScript({ (Get-Item $_ | select -Expand Extension) -eq ".csv" })]
[string] $Path
)
}
In this example, we are assured not only that $Path exists, but that it is a file, (as opposed to a directory) and has a .csv extension. ($_ refers to...