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What do hjust and vjust do when making a plot using ggplot?
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The value of hjust and vjust are only defined between 0 and 1:
0 means left-justified
1 means right-justified
Source: ggplot2, Hadley Wickham, page 196
(Yes, I know that in most cases you can use it beyond this range, but don't expect it to behave in any specific wa...
What are the most common naming conventions in C?
What are the naming conventions commonly use in C? I know there are at least two:
11 Answers
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How to smooth a curve in the right way?
Lets assume we have a dataset which might be given approximately by
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Convert timestamp to date in MySQL query
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DATE_FORMAT(FROM_UNIXTIME(`user.registration`), '%e %b %Y') AS 'date_formatted'
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Where am I wrong about my project and these Javascript Frameworks?
First off, the barest bones of the project I wish to create is a wiki engine implemented as a single page web app. I plan on having a set of features available from the get-go with plenty of feature additions down the road.
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Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading
There has been a long standing issue with Firefox not loading font from different origin than the current webpage. Usually, the issue arise when the fonts are served on CDNs.
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(Built-in) way in JavaScript to check if a string is a valid number
I'm hoping there's something in the same conceptual space as the old VB6 IsNumeric() function?
37 Answers
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How to get the insert ID in JDBC?
...ERT a record in a database (which is Microsoft SQL Server in my case) using JDBC in Java. At the same time, I want to obtain the insert ID. How can I achieve this using JDBC API?
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Are getters and setters poor design? Contradictory advice seen [duplicate]
...There is also the point of view that most of the time, using setters still breaks encapsulation by allowing you to set values that are meaningless. As a very obvious example, if you have a score counter on the game that only ever goes up, instead of
// Game
private int score;
public void setScore(i...
Why is “if not someobj:” better than “if someobj == None:” in Python?
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In the first test, Python try to convert the object to a bool value if it is not already one. Roughly, we are asking the object : are you meaningful or not ? This is done using the following algorithm :
If the object has a __nonzero__ special method (as do numeric buil...