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Installing Java on OS X 10.9 (Mavericks)
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If you have installed both java6 and java7, you can select v6 in your shell with: export JAVA_HOME=/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
– Jürgen Strobel
Oct 28 '13 at 13:34
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Index on multiple columns in Ruby on Rails
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The order does matter in indexing.
Put the most selective field first, i.e. the field that narrows down the number of rows fastest.
The index will only be used insofar as you use its columns in sequence starting at the beginning. i.e. if you index on [:user_id, :article_id...
Suppress warning “Category is implementing a method which will also be implemented by its primary cl
...is answer should be the correct one. Anyway it has more votes than the one selected as answer.
– Juan Catalan
Nov 5 '14 at 17:28
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How do I create a new branch?
...ow:
Right click on Trunk/ which you will be creating your Branch from:
Select Branch/Tag:
Type in location of your new branch, commit message, and any externals (if your repository has them):
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What's a simple way to get a text input popup dialog box on an iPhone
...wordPrompt = UIAlertController(title: "Enter Password", message: "You have selected to enter your passwod.", preferredStyle: UIAlertControllerStyle.Alert);
passwordPrompt.addAction(UIAlertAction(title: "OK", style: UIAlertActionStyle.Default, handler: { (action) -> Void in
// Now do ...
How to read a CSV file into a .NET Datatable
...e(path);
string fileName = Path.GetFileName(path);
string sql = @"SELECT * FROM [" + fileName + "]";
using(OleDbConnection connection = new OleDbConnection(
@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + pathOnly +
";Extended Properties=\"Text;HDR=" + h...
Can I recover a branch after its deletion in Git?
...leted. Now simply right click on the most recent commit to the branch and select the menu option Create new branch.
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Last non-empty cell in a column
...should probably include something about what [RANGE] is supposed to be. I selected the entire column by using "N:N". Here is an example that worked for me: =INDEX(N:N,MATCH(1E+306,N:N,1))
– swimfar
Sep 7 '18 at 18:13
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What's the difference of $host and $http_host in Nginx
...equal the server_name directive's value or the actual server name that was selected if there were multiple server_name directives?
– CMCDragonkai
Mar 13 '14 at 20:03
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Proper use cases for Android UserManager.isUserAGoat()?
... I have a solution for that. You can right click on the warning symbol and select "Toggle Breakpoint". If the following line/option is enabled it means the breakpoint is created. My point was, dummy code is bad and it should be a warning so yo don't forget ;)
– Tomasz
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