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Reorder levels of a factor without changing order of values
I have data frame with some numerical variables and some categorical factor variables. The order of levels for those factors is not the way I want them to be.
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Python argparse: Make at least one argument required
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In Vim, how do I delete everything within the double quotes?
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For me it's di"<spacebar>. For some keyboards it is necessary to hit spacebar to send the double quote character.
– André Staltz
Mar 31 '13 at 10:34
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How to fix java.net.SocketException: Broken pipe?
I am using apache commons http client to call url using post method to post the parameters and it is throwing the below error rarely.
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HTML colspan in CSS
...f browser- and circumstance-specific caveats. Read, and make the best informed decision you can based on what you find.
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How to implement Android Pull-to-Refresh
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It is called SwipeRefreshLayout, inside the support library, and the documentation is here:
Add SwipeRefreshLayout as a parent of view which will be treated as a pull to refresh the layout. (I took ListView as an example, it can be any View like LinearLayout, ScrollView etc.)
<android.suppor...
Can an ASP.NET MVC controller return an Image?
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Use the base controllers File method.
public ActionResult Image(string id)
{
var dir = Server.MapPath("/Images");
var path = Path.Combine(dir, id + ".jpg"); //validate the path for security or use other means to generate the path.
return base...
Convert HttpPostedFileBase to byte[]
...ta being available in a single go. If you're using .NET 4 this is simple:
MemoryStream target = new MemoryStream();
model.File.InputStream.CopyTo(target);
byte[] data = target.ToArray();
It's easy enough to write the equivalent of CopyTo in .NET 3.5 if you want. The important part is that you rea...
How do I spool to a CSV formatted file using SQLPLUS?
I want to extract some queries to a CSV output format. Unfortunately, I can't use any fancy SQL client or any language to do it. I must use SQLPLUS.
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How do I lock the orientation to portrait mode in a iPhone Web Application?
...or body[orient="portrait"]
http://www.evotech.net/blog/2007/07/web-development-for-the-iphone/
However...
Apple's approach to this issue is to allow the developer to change the CSS based on the orientation change but not to prevent re-orientation completely. I found a similar question elsewhere:
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