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Control the size of points in an R scatterplot?
.... I'm making scatterplots with tens of thousands of points and prefer a small, but not too small dot. Basically, I find pch='.' to be too small, but pch=19 to be too fat. Is there something in the middle or some way to scale the dots down somehow?
...
Where is Java's Array indexOf?
...int i=0; i<haystack.length; i++)
{
if (haystack[i] != null && haystack[i].equals(needle)
|| needle == null && haystack[i] == null) return i;
}
return -1;
}
*you can make one from your array using Arrays#asList()
...
C++ project organisation (with gtest, cmake and doxygen)
...rs are the
basis for users to interact with what you offer and must be
installed. This means they have to be in a subdirectory (no-one wants
lots of headers ending up in top-level /usr/include/) and your
headers must be able to include themselves with such a setup.
└── prj
├── inclu...
HTML for the Pause symbol in audio and video control
...Unicode pause symbol. I was able to find that the Unicode play symbol is &#9658 but I'm looking for the equivalent of the Unicode pause symbol.
...
Generating Random Passwords
...patible with wherever you're sending or storing this. Using Unicode, for example, tends to give a lot of Chinese characters. Using base-64 guarantees a widely-compatible set of characters, and the characteristics of such a string shouldn't make it any less secure as long as you use a decent hashing ...
How to select a single field for all documents in a MongoDB collection?
... include several fields. In the following operation, find() method returns all documents that match the query. In the result set, only the item and qty fields and, by default, the _id field return in the matching documents.
db.inventory.find( { type: 'food' }, { item: 1, qty: 1 } )
In this example ...
How do I force detach Screen from another SSH session?
...creen session still thinks it's attached. Maybe it is. Perhaps I don't really know what that means.
4 Answers
...
String literals and escape characters in postgresql
...
Partially. The text is inserted, but the warning is still generated.
I found a discussion that indicated the text needed to be preceded with 'E', as such:
insert into EscapeTest (text) values (E'This is the first part \n And this is the second');
This suppressed the warning, but the text was ...
How to remove the URL from the printing page?
...
Following code sample will work for you,
<style type="text/css" media="print">
@page {
size: auto; /* auto is the initial value */
margin: 0; /* this affects the margin in the printer settings */
}
</style>
see the ...
How does Python's super() work with multiple inheritance?
...ave trouble
understanding the super() function (new style classes) especially when it comes to multiple inheritance.
16 A...