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How to use R's ellipsis feature when writing your own function?
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You need to read up on indexing. The minus means 'exclude', i.e. print(c(1:3)[-1]) will print 2 and 3 only. The L is a new-fangled way to ensure it ends up as a integer, this is done a lot in the R sources.
– Dirk Eddelbuettel...
Load “Vanilla” Javascript Libraries into Node.js
...e_modules/quadtree/quadtree-lib/some-other-crap.js
./node_modules/quadtree/index.js
Everything in your ./node_modules/quadtree/quadtree-lib/ directory are files from your 3rd party library.
Then your ./node_modules/quadtree/index.js file will just load that library from the filesystem and do the...
How do you loop through each line in a text file using a windows batch file?
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It's worth pointing out that the index parameter in your loop must be a single character. So for example %%i is fine but %%index will fail.
– Vincent
Mar 6 at 20:12
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Installing Java 7 on Ubuntu
....tar.gz file from https://www.oracle.com/technetwork/java/javase/downloads/index.html.
Extract this file where you want. like: /home/java(Folder name created by user in home directory).
Now open terminal.
Set path JAVA_HOME=path of your jdk folder(open jdk folder then right click on any folder, g...
Dialog to pick image from gallery or from camera
... cursor = managedQuery(contentUri, proj, null, null, null);
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Audio.Media.DATA);
cursor.moveToFirst();
return cursor.getString(column_index);
}
Atlast, finally add the camera and write external storage permission to AndroidManife...
Is it possible to declare two variables of different types in a for loop?
...th some technical limitations of course). The elements can be accessed by index with std::get<INDEX>(tuple_object)
Within the for loop bodies you can easily alias the objects, though you still need to use .first or std::get for the for loop condition and update expression
for (auto t = std:...
What is a faster alternative to Python's http.server (or SimpleHTTPServer)?
... on [8080]
-a The host address to bind to [localhost]
-i Display directory index pages [True]
-s or --silent Silent mode won't log to the console
-h or --help Displays help message and exits
So to serve the current directory on port 8000, type:
http-server -p 8000
...
Label encoding across multiple columns in scikit-learn
...t; pd.DataFrame({col: df[col].astype('category').cat.codes for col in df}, index=df.index)
location owner pets
0 1 1 0
1 0 2 1
2 0 0 0
3 1 1 2
4 1 3 1
5 0 2 1
To create a mapping dictionary, ...
When to use IMG vs. CSS background-image?
...o text size.
Use IMG
for multiple overlay images in IE6.
Use IMG with a z-index in order
to stretch a background image to fill its entire window.Note, this is no longer true with CSS3 background-size; see #6 below.
Using img instead of background-image can dramatically improve performance of anima...
How to attach javadoc or sources to jars in libs folder?
...uments, then have the properties file point to the folder with the Javadoc index.html directly like so doc=C:\\Users\\johny\\workspacenewfb\\robotium-solo-4.0-javadoc
– mbwasi
Apr 6 '13 at 16:46
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