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What is the difference between pluck and collect in Rails?
...ds with Rails 4, still use pluck
if you need some fields with Rails 3, use selectand collect
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Unsubscribe anonymous method in C#
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{
return from d in MyEvent.GetInvocationList()
select (EventHandler)d;
}
}
So you can access the whole invocation list from outside MyClass and unsubscribe any handler you want. For instance:
myClass.MyEvent -= myClass.GetMyEventHandlers().Last();
I've written ...
Autocompletion in Vim
...options for completion of a word, and automatically competes the word upon selection of an option.
– CJBS
Oct 27 '15 at 21:06
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Vagrant error: NFS is reporting that your exports file is invalid
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this is a misleading answer. please select the colinhoemig's answer as its much more helpful!
– enjalot
Apr 15 '14 at 2:28
3
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Hide hidden(dot) files in github atom editor
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As stated above, Application menu > Preferences… > select Packages in the sidebar, search for "Tree View", click the Settings button > check Hide Ignored Names.
And now with pictures:
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Visual Studio debugger - Displaying integer values in Hex
...log.
Break after setting the variable.
Right mouse click the variable and select "Add Watch" or "QuickWatch"
Right mouse click the line in the Watch dialogue.
Uncheck "Hexadecimal Display"
The display will now be in decimal.
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EF5: Cannot attach the file ‘{0}' as database '{1}'
...When I try to detach it the database doesn't appear in the list for detach selection, "Take offline" also takes me to the error above.
Which leads me to think this is a solid bug in LocalDB.
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How to Execute a Python File in Notepad ++?
...ong? I can make it a plugin command and use it when the console window is selected. But that completely defeats the point.
– AlanSE
May 5 '14 at 20:53
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Team city unmet requirement: MSBuildTools12.0_x86_Path exists
... Yeah, my problem was that the wrong version of Visual Studio was "auto-selected" by Team City when choosing to auto-detect build steps from the "Create Project from URL" option, so I simply went to the build step and changed the Visual Studio version to fix this. I hope people check your answer ...
TortoiseSVN icons not showing up under Windows 7
...ress Ctrl+Shift+Esc.
Click the Processes tab.
Right-click on explorer.exe.
Select End Process.
Click End Process button.
Click the Applications tab.
Right-click.
Click New Task (Run).
Set Open to: explorer
Click OK.
Windows Explorer has restarted and the TortoiseSVN icons reappear.
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