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Increasing (or decreasing) the memory available to R processes

...program icon (the icon on your desktop or in your programs directory). Select ``Properties'', and then select the ``Shortcut'' tab. Look for the ``Target'' field and after the closing quotes around the location of the R executible, add --max-mem-size=500M as shown in the fig...
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How do I make a JAR from a .java file?

... project in your IDE and put your Java files inside of the project folder. Select the project in the IDE and export the project as a JAR. Double check that the appropriate java files are selected when exporting. You can always do this all very easily with the command line. Make sure that you are i...
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Remove duplicated rows

...tes, right? Or it removes values randomly? – News_is_Selection_Bias Aug 7 '17 at 0:43 @alphabetagamma yes, it keeps th...
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How to add a separator to a WinForms ContextMenu?

...er. I'm using VS 2012. You can add a separator via the forms designer. 1) Select/Create a MenuStrip. 2) On "Type Here", right mouse. 3) Select "Insert". 4) Select "Separator". 5) Drag the new separator to the text you want it to be above. Done. ...
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Rails: fields_for with index?

...g.label :gallery_sets_id, "Position #{g.options[:index]}" %> <%= g.select :gallery_sets_id, @posts.collect { |p| [p.title, p.id] } %> <%# g.options[:index] += 1 %> <% end %> or <%= f.fields_for :blog_posts do |g| %> <%= g.label :gallery_sets_id, "Position #{g...
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Best way to check for nullable bool in a condition expression (if …)

...en you are trying to evaluate a nullable bool in linq. For example: array.Select(v => v.nullableBool ?? false) (from v in array where v.nullableBool ?? false) Is cleaner in my opinion as opposed to: array.Select(v => v.nullableBool.HasValue ? v.nullableBool.Value : false) (from v in array wh...
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How do you fork your own repository on GitHub?

...our repo's main page on github. Click the + icon in the top right corner. Select "Import repository". Where it asks for the "Old URL", paste the URL you copied at step #1 Enter the name of your new repo and click Begin Import. That's it! You now have a copy of the full repo, with all commit histor...
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warning: [options] bootstrap class path not set in conjunction with -source 1.5

...button. Then in the Java Platform Manager window click Add Platform... and select: Java Standard Edition, click Next and browse to /usr/lib/jvm/java-7-openjdk-amd64 (or whatever is the location of the JDK 1.7 version). The Platform name will be set to JDK1.7. Just click Finish and you're done. You ...
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How do you access a website running on localhost from iPhone browser

...) Go to the "Info" tab Click on the drop down menu that says "Wi-Fi" and select "iPhone USB" as shown in the photo. You'll find an IP address like "xxx.xxx.xx.xx" or similar. Open Safari browser on your iPhone and enter IP_address:port_number Example: 169.254.72.86:3000 [NOTE: If the IP addr...
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R: Comment out block of code [duplicate]

...tors use something like command or control and single quote to comment out selected lines of code. In RStudio it's Command or Control+/. Check in your editor. It's still commenting line by line, but they also uncomment selected lines as well. For the Mac RGUI it's command-option ' (I'm imagining...