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Cleaning `Inf` values from an R dataframe
...ption 1
Use the fact that a data.frame is a list of columns, then use do.call to recreate a data.frame.
do.call(data.frame,lapply(DT, function(x) replace(x, is.infinite(x),NA)))
Option 2 -- data.table
You could use data.table and set. This avoids some internal copying.
DT <- data.table(dat)...
Finding all cycles in a directed graph
How can I find (iterate over) ALL the cycles in a directed graph from/to a given node?
17 Answers
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Import SQL file into mysql
I have a database called nitm . I haven't created any tables there. But I have a SQL file which contains all the necessary data for the database. The file is nitm.sql which is in C:\ drive . This file has size of about 103 MB. I am using wamp server.
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Including a .js file within a .js file [duplicate]
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I basically do like this, create new element and attach that to <head>
var x = document.createElement('script');
x.src = 'http://example.com/test.js';
document.getElementsByTagName("head")[0].appendChild(x);
You may also us...
Is there a standard naming convention for XML elements? [closed]
...enerators (i.e. to [de]serialize xml to objects), since not many languages allow enums with spaces (demanding a mapping between the two).
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Fixed point vs Floating point number
...oint and floating point numbers due to hard to read definitions about them all over Google. But none that I have read provide a simple enough explanation of what they really are. Can I get a plain definition with example?
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Clone private git repo with dockerfile
...uke@pumalo.org"
# Update aptitude with new repo
RUN apt-get update
# Install software
RUN apt-get install -y git
# Make ssh dir
RUN mkdir /root/.ssh/
# Copy over private key, and set permissions
# Warning! Anyone who gets their hands on this image will be able
# to retrieve this private key file...
Is it good practice to use java.lang.String.intern()?
...tail. (In a nutshell: It returns a canonical representation of the string, allowing interned strings to be compared using == )
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How can I resize an image dynamically with CSS as the browser width/height changes?
...fix this, you need to add width:auto\9 for IE8.
source: http://webdesignerwall.com/tutorials/responsive-design-with-css3-media-queries
CSS:
img {
max-width: 100%;
height: auto;
width: auto\9; /* ie8 */
}
And if you want to enforce a fixed max width of the image, just place it inside a ...
How to manage client-side JavaScript dependencies? [closed]
...anage dependencies on the server side, I could not find any that satisfies all my needs to have a coherent client side JavaScript dependency management workflow. I want to satisfy these 5 requirements:
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