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Rails Migration: Remove constraint
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– nahtnam
Aug 9 '19 at 17:50
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How do I change the default location for Git Bash on Windows?
...e windows key, search for Git, right click on the resulting Git Bash icon, select properties, and c
Redirect Windows cmd stdout and stderr to a single file
...direct STDERR you have to specify '2>' for the redirection symbol. This selects the second output stream which is STDERR.
Example
The command dir file.xxx (where file.xxx does not exist) will display the following output:
Volume in drive F is Candy Cane Volume Serial Number is 34EC-087...
Changing capitalization of filenames in Git
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Eclipse syntax highlighting preferences save and restore
... On my eclipse 3.4.1 (or 3.5Mx), I do see an 'export all' option I can select. That will... export all preferences. You can then edit the resulting file to keep only what interest you, and re-import those specific setting into your eclipse configuration.
– VonC
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Convert data.frame columns from factors to characters
... can create a logical vector of which columns are factors, and use that to selectively apply factor
f <- sapply(bobf, class) == "factor"
bobc[,f] <- lapply(bobc[,f], factor)
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Flash CS4 refuses to let go
...ation Support/
You can remove those files by hand, or in Flash you can select Control->Delete ASO files to remove them.
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UINavigationBar custom back button without title
...se that you have a navigation controller going to ViewA from ViewB. In IB, select ViewA's navigation bar, you should see these options: Title, Prompt and Back Button.
ViewA navigate bar options
The trick is choose your destiny view controller back button title (ViewB) in the options of previous ...
How do I set the default locale in the JVM?
...rative privileges.)
Under the Language for non-Unicode programs section, select the desired language from the drop down menu.
Click OK.
The system displays a dialog box asking whether to use existing
files or to install from the operating system CD. Ensure that you have
the CD ready.
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What is “android:allowBackup”?
... using lint via Eclipse, either open the lint warnings view, where you can select the lint error and see a longer explanation, or invoke the quick fix (Ctrl-1) on the error line, and one of the suggestions is "Explain this issue", which will also pop up a fuller explanation. If you are not using Ecl...