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Is it possible to have a multi-line comments in R? [duplicate]
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You can, if you want, use standalone strings for multi-line comments — I've always thought that prettier than if (FALSE) { } blocks. The string will get evaluated and then discarded, so as long as it's not the last line in a function nothing will happ...
How to handle multiple cookies with the same name?
...recedence based on other attributes, including the domain, is unspecified, and may vary between browsers. This means that if you have set cookies of the same name against “.example.org” and “www.example.org”, you can’t be sure which one will be sent back.
Edit: this information from 2010 ...
Retrieving the last record in each group - MySQL
...dowing functions, like almost all popular SQL implementations. With this standard syntax, we can write greatest-n-per-group queries:
WITH ranked_messages AS (
SELECT m.*, ROW_NUMBER() OVER (PARTITION BY name ORDER BY id DESC) AS rn
FROM messages AS m
)
SELECT * FROM ranked_messages WHERE rn = 1...
Android global variable
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You can extend the base android.app.Application class and add member variables like so:
public class MyApplication extends Application {
private String someVariable;
public String getSomeVariable() {
return someVariable;
}
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How to keep the spaces at the end and/or at the beginning of a String?
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&#160 doesn't work... xml editor gives an error and you can't to build the project... \u0020 works fine!
– jcamacho
Jul 29 '13 at 8:18
11
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What is eager loading?
...on't do any calculations until you access an element of the result matrix; and
Over-eager loading: this is where you try and anticipate what the user will ask for and preload it.
I hope that makes sense in the context you're seeing it.
Let me give you a "Webby" example.
Imagine a page with rollo...
Twitter bootstrap 3 two columns full height
...ull-height columns (due to the custom css-table properties which we added) and with ratio 1:3 (Navigation:Content) for medium screen widths and above - (due to bootstrap's default classes: col-md-3 and col-md-9)
NB:
1) In order not to mess up bootstrap's native column classes we add another clas...
What's the best way to generate a UML diagram from Python source code? [closed]
... source code.
He's primarily interested in the inheritance relationships, and mildly interested in compositional relationships, and doesn't care much about class attributes that are just Python primitives.
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Disabled input text color
The simple HTML below displays differently in Firefox and WebKit-based browsers (I checked in Safari, Chrome and iPhone).
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Difference between HEAD and master
What is the difference between the HEAD and master in Git?
3 Answers
3
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