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What does $(function() {} ); do?
... of that nature can be called at any time, anywhere.
jQuery (a library built on Javascript) has built in functions that generally required the DOM to be fully rendered before being called. The syntax for when this is completed is:
$(document).ready(function() {
});
So a jQuery function, which i...
O(nlogn) Algorithm - Find three evenly spaced ones within binary string
...calculated directly from OEIS A065825 as the k such that A065825(k) ≤ n < A065825(k+1). I wrote a program to find these, and it turns out that the greedy algorithm does not give the longest such string. For example, for n=9, we can get 5 1s (110100011) but the greedy gives only 4 (110110000), f...
Java Reflection Performance
...g an object using reflection rather than calling the class constructor result in any significant performance differences?
1...
What is the most efficient way to store tags in a database?
...is the most effective way to store tags so that they may be searched and filtered?
7 Answers
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Is optimisation level -O3 dangerous in g++?
...-O1’. The ‘-O3’ optimization level may increase the speed of the resulting executable, but can also increase its size. Under
some circumstances where these optimizations are not favorable, this option might actually make a program slower.
...
Increase number of axis ticks
...
You can override ggplots default scales by modifying scale_x_continuous and/or scale_y_continuous. For example:
library(ggplot2)
dat <- data.frame(x = rnorm(100), y = rnorm(100))
ggplot(dat, aes(x,y)) +
geom_point()
Gives you this:
And overrid...
How to exclude file only from root folder in Git
... In case you already commited the file, run command git rm --cached <file>, else the file won't get ignored. From: stackoverflow.com/a/1274447
– Bruno Polo
May 26 at 20:24
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What is Data URI support like in major email client software?
...
I've done a more recent test at Litmus, with data URIs for inline <img> elements and css background images.
These desktop clients do show data URIs:
Apple Mail 5
Apple Mail 6
Lotus Notes 8
Outlook 2003
Thunderbird 3.0
Thunderbird latest
These mobile clients do show data URIs:
An...
How to send a correct authorization header for basic authentication
...f browsers.
Example:
> "Basic " + btoa("billy"+":"+"secretpassword")
< "Basic YmlsbHk6c2VjcmV0cGFzc3dvcmQ="
You can then add Basic YmlsbHk6c2VjcmV0cGFzc3dvcmQ= to the authorization header.
Note that the usual caveats about HTTP BASIC auth apply, most importantly if you do not send your tr...
What does Provider in JAX-RS mean?
...g the JAX-RS runtime. You can think of them as plugins that (potentially) alter the behavior of the runtime, in order to accomplish a set of (program defined) goals.
Providers are not the same as resources classes, they exist, conceptually, at a level in-between resources classes and the JAX-RS imp...