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Get “Value” property in IGrouping
...
For any selected group,you could call
var selectedGroupValues=selectedGroup.SelectMany(x=>x);
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@Override is not allowed when implementing interface method
...In JIdea 2020.1.2 and above,
Go to Project Structure [ Ctrl+Alt+Shift+S
]
Select Modules sub section
Select each module
Under sources-section, check Language Level
Change the Language Level as required
NOTE:
If you get below error after this change,
Error:java: Compilation failed: internal java c...
Automatically create an Enum based on values in a database lookup table?
... | 2 | Yellow |
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Construct a select to get the values you need:
select * from enums e inner join enum_values ev on ev.enums_id=e.id where e.id=0
Construct the source code for the enum and you'll get something like:
String enumSourceCode = "enum " + e...
How to remove the URL from the printing page?
...e same way in other browsers also).
Click on Firefox menu , Go to Print , Select Page Set Up from sub menu of Print. A pop will come up on your screen, there go to "Margin & Header /Footer" tab.
In that select "BLANK" for header / footer as per requirement before printing. You can check the ...
How exactly does work?
...ere are up to date. I was addressing the fact that the wrong answer wasn't selected at the time the question was asked. Perhaps you should police the folks spreading false assessments about the community improperly selecting answers, instead of folks trying to remind people that things change over ...
Eclipse: enable assertions
...to Preferences.
Choose Java, and then Installed JREs from the left panel.
Select your JRE, and then click the Edit... button in the right panel.
In the Default VM arguments field, add -ea.
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I cannot start SQL Server browser
...ve Tools->Services, and look for the SQL Server Agent. Right-click, and select Properties From the Startup Type dropdown, change from Disabled to Automatic.
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What is DOCTYPE?
...de), depending on the exact spelling of the DOCTYPE. You want to use it to select a browser mode that best suits your page.
Formally, in SGML and XML, a DOCTYPE declaration is a reference to a Document Type Definition (DTD), which specifies the formal syntax rules of the markup language. No browser...
How to install both Python 2.x and Python 3.x in Windows
...ed Python 2.7.6.
How to...
Start > in the search type in environment select "Edit environment variables to your account"1
Scroll down to Path, select path, click edit.
Add C:\Python27;
so you should have paths to both versions of Python there, but if you don't this you can easily edit it so th...
C# switch statement limitations - why?
...values of switch labels are distinct (so that only one switch block can be selected for a given switch-expression)
Consider this code example in the hypothetical case that non-constant case values were allowed:
void DoIt()
{
String foo = "bar";
Switch(foo, foo);
}
void Switch(String val1...