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Test for equality among all elements of a single vector
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I use this method, which compares the min and the max, after dividing by the mean:
# Determine if range of vector is FP 0.
zero_range <- function(x, tol = .Machine$double.eps ^ 0.5) {
if (length(x) == 1) return(TRUE)
x <- range(x) / mean(x)
isTRUE(all.eq...
Circle drawing with SVG's arc path
Short question: using SVG path, we can draw 99.99% of a circle and it shows up, but when it is 99.99999999% of a circle, then the circle won't show up. How can it be fixed?
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What is a good reason to use SQL views?
I am reading through the SQL Server 2008 bible and I am covering the views section. But the author really doesn't explain the purpose of views. What is a good use for views? Should I use them in my website and what are the benefits of them?
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Maximum and Minimum values for ints
I am looking for minimum and maximum values for integers in python. For eg., in Java, we have Integer.MIN_VALUE and Integer.MAX_VALUE . Is there something like this in python?
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Decode Base64 data in Java
...eConverter has static methods that make this easy. See parseBase64Binary() and printBase64Binary().
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window.onload vs document.onload
...s, etc.).
In some browsers it now takes over the role of document.onload and fires when the DOM is ready as well.
document.onload
It is called when the DOM is ready which can be prior to images and other external content is loaded.
How well are they supported?
window.onload appears to be the...
Webfont Smoothing and Antialiasing in Firefox and Opera
...y read my post about font rendering on OSX which includes a Sass mixin to handle both properties.
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Symbolic links and synced folders in Vagrant
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I suspect the OP and many people viewing this question were using the term "shared" and "synced" interchangeably. Note the OP's second bullet point which strongly implies he was using shared folders, but tried switching to an rsynced folder b...
What does “Memory allocated at compile time” really mean?
In programming languages like C and C++, people often refer to static and dynamic memory allocation. I understand the concept but the phrase "All memory was allocated (reserved) during compile time" always confuses me.
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R cannot be resolved - Android error
I just downloaded and installed the new Android SDK. I wanted to create a simple application to test drive it.
108 Answers
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