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C++ Singleton design pattern
... the Singleton design pattern that is lazy-evaluated, correctly-destroyed, and thread-safe.
class S
{
public:
static S& getInstance()
{
static S instance; // Guaranteed to be destroyed.
// Instantiated on first use.
...
How do I simulate a hover with a touch in touch enabled browsers?
...
OK, I've worked it out! It involves changing the CSS slightly and adding some JS.
Using jQuery to make it easy:
$(document).ready(function() {
$('.hover').on('touchstart touchend', function(e) {
e.preventDefault();
$(this).toggleClass('hover_effect');
});
});
...
How do I fix blurry text in my HTML5 canvas?
I am a total n00b with HTML5 and am working with the canvas to render shapes, colors, and text. In my app, I have a view adapter that creates a canvas dynamically, and fills it with content. This works really nicely, except that my text is rendered very fuzzy/blurry/stretched. I have seen a ...
How to fix Python indentation
...code that have inconsistent indentation. There is a lot of mixture of tabs and spaces to make the matter even worse, and even space indentation is not preserved.
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Can I do a partial revert in GIT
...e reverted files in the staging area. From there, I'd perform a soft reset and add in the changes I really wanted. For an example workflow:
git revert <sha-of-bad-commit> --no-commit
git reset // This gets them out of the staging area
<edit bad file to look like it should, if necessary&g...
Running multiple AsyncTasks at the same time — not possible?
I'm trying to run two AsyncTasks at the same time. (Platform is Android 1.5, HTC Hero.)
However, only the first gets executed. Here's a simple snippet to describe my problem:
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Is there a function in python to split a word into a list? [duplicate]
Is there a function in python to split a word into a list of single letters? e.g:
7 Answers
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How do I iterate over an NSArray?
I'm looking for the standard idiom to iterate over an NSArray. My code needs to be suitable for OS X 10.4+.
8 Answers
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Commit specific lines of a file to git [duplicate]
... me two chunks as options to commit: one containing the first two changes, and one for the third change. Is there a way to specify actual line numbers, as the OP asked?
– Nathan Long
Dec 27 '11 at 21:11
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Linear Regression and group by in R
...ction. My data is an annual time series with one field for year (22 years) and another for state (50 states). I want to fit a regression for each state so that at the end I have a vector of lm responses. I can imagine doing for loop for each state then doing the regression inside the loop and adding...