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Unable to find specific subclass of NSManagedObject
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Update for Xcode 7 (final):
Prepending the module name to the class (as in Xcode 6 and early beta releases of Xcode 7) is no longer necessary.
The Apple documentation Implementing Core Data Managed Object Subclasses has been
updated accordingly.
The Data Model inspector
has ...
How to fix Git error: object file is empty?
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To the git wizards, if this was a bad way to fix it, please leave a comment. It did, however, work for me... at least temporarily.
Step 1: Make a backup of .git (in fact I do this in between every step that changes something, but with a new copy-to name, e.g. .git-old-1, .git-old-2, etc.):
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How to update a plot in matplotlib?
... redrawing the figure here. I allow the user to specify the units in the time scale (x-axis) and then I recalculate and call this function plots() . I want the plot to simply update, not append another plot to the figure.
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log4j configuration via JVM argument(s)?
What variables do I have to set/pass as arguments to the JVM to get log4j to run properly? And by properly I mean not complain and print to the console. Can I see a typical example?
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How to install latest version of Node using Brew
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Have you run brew update first? If you don't do that, Homebrew can't update its formulas, and if it doesn't update its formulas it doesn't know how to install the latest versions of software.
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could not resolve host github.com error while cloning remote repository in git
...servers.
Yes, you can do so by setting HTTP_PROXY, and HTTPS_PROXY environment variables.
See "Syncing with github":
set HTTPS_PROXY=http://<login_internet>:<password_internet>@aproxy:aport
set HTTP_PROXY=http://<login_internet>:<password_internet>@aproxy:aport
set NO_PROXY=...
How to handle click event in Button Column in Datagridview?
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You've added a button to your DataGridView and you want to run some code when it's clicked.
Easy peasy - just follow these steps:
Don'ts:
First, here's what NOT to do:
I would avoid the suggestions in some of the other answers here and even provided by the documentation at MSDN to hardcode...
How do I escape spaces in path for scp copy in Linux?
...te to local system... now I'm using scp command in linux system.. I have some folders or files names are with spaces, when I try to copy that file, it shows the error message: "No such file or directory"
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Unable to locate tools.jar
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Yes, you've downloaded and installed the Java Runtime Environment (JRE) instead of the Java Development Kit (JDK). The latter has the tools.jar, java.exe, javac.exe, etc.
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SQL Server Installation - What is the Installation Media Folder?
I am installing SQL Server 2008. I have installed .NET framework 3.5.
Then I got folder SQL Server 2008 and performed following steps-
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